/**
 * Renge CMS - Styles
 * Google Analytics-like clean design with accessibility for seniors
 */

/* =====================================================
   CSS Custom Properties (Design Tokens)
   ===================================================== */
:root {
    /* Colors - 目に優しい落ち着いたカラー */
    --color-primary: #4a7c59;
    --color-primary-dark: #3d6649;
    --color-primary-light: #e8f0eb;

    --color-success: #5a8f5a;
    --color-success-light: #e8f2e8;
    --color-warning: #c49a3d;
    --color-warning-light: #f5f0e0;
    --color-danger: #b35a5a;
    --color-danger-light: #f5e8e8;
    --color-info: #5a7a8f;
    --color-info-light: #e8eff2;

    --color-text: #3d3d3d;
    --color-text-secondary: #5a5a5a;
    --color-text-muted: #7a7a7a;
    --color-text-inverse: #fafafa;

    --color-bg: #f0f0ec;
    --color-bg-white: #fafaf8;
    --color-border: #d0d0c8;
    --color-border-light: #e0e0d8;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
    --font-size-base: 18px;
    --font-size-sm: 16px;
    --font-size-xs: 14px;
    --font-size-lg: 20px;
    --font-size-h1: 28px;
    --font-size-h2: 22px;
    --font-size-h3: 20px;
    --line-height: 1.6;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Layout */
    --header-height: 56px;
    --sidebar-width: 260px;
    --content-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(60, 64, 67, 0.1);
    --shadow-md: 0 1px 3px rgba(60, 64, 67, 0.12), 0 4px 8px rgba(60, 64, 67, 0.08);
    --shadow-lg: 0 2px 6px rgba(60, 64, 67, 0.15), 0 8px 24px rgba(60, 64, 67, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Minimum touch target */
    --min-touch-target: 44px;
}

/* =====================================================
   Reset & Base Styles
   ===================================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    line-height: 1.3;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* =====================================================
   App Layout
   ===================================================== */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-left {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.app-logo {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 0 var(--spacing-xl);
}

.global-search {
    display: flex;
    max-width: 500px;
    width: 100%;
}

.search-input {
    flex: 1;
    height: var(--min-touch-target);
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    background: var(--color-bg);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-bg-white);
}

.search-btn {
    height: var(--min-touch-target);
    padding: 0 var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-inverse);
    background: var(--color-primary);
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-btn:hover {
    background: var(--color-primary-dark);
}

.header-right {
    flex: 0 0 auto;
}

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: background var(--transition-fast);
}

.user-dropdown-toggle:hover {
    background: var(--color-bg);
}

.user-dropdown-toggle .user-name {
    font-weight: 500;
    color: var(--color-text);
}

.user-dropdown-arrow {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    transition: transform var(--transition-fast);
}

.user-dropdown:hover .user-dropdown-arrow,
.user-dropdown.open .user-dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 140px;
    background: var(--color-bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 1000;
    margin-top: var(--spacing-xs);
}

.user-dropdown:hover .user-dropdown-menu,
.user-dropdown.open .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    text-align: left;
    color: var(--color-text);
    text-decoration: none;
    border: none;
    background: none;
    font-size: var(--font-size-base);
    font-family: inherit;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-dropdown-item:hover {
    background: var(--color-bg);
}

.user-dropdown-item:first-child {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.user-dropdown-form {
    margin: 0;
}

.user-dropdown-logout {
    color: var(--color-danger);
    border-top: 1px solid var(--color-border-light);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.app-body {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* =====================================================
   Sidebar
   ===================================================== */
.app-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-bg-white);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    z-index: 50;
    display: flex;
    flex-direction: column;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: var(--spacing-md) 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    min-height: var(--min-touch-target);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.nav-link:hover {
    background: var(--color-bg);
    text-decoration: none;
}

.nav-item.active .nav-link {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 500;
}

.nav-icon {
    width: 24px;
    margin-right: var(--spacing-md);
    text-align: center;
    font-size: 18px;
}

.nav-text {
    font-size: var(--font-size-base);
}

.nav-divider {
    height: 1px;
    margin: var(--spacing-md) var(--spacing-lg);
    background: var(--color-border-light);
}

/* Submenu for nav items */
.nav-item-has-submenu {
    position: relative;
}

.nav-submenu-toggle {
    justify-content: flex-start;
}

.nav-arrow {
    margin-left: auto;
    font-size: 10px;
    transition: transform var(--transition-fast);
}

.nav-item-has-submenu.open .nav-arrow {
    transform: rotate(180deg);
}

.nav-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--color-bg);
}

.nav-item-has-submenu.open .nav-submenu {
    max-height: 300px;
}

.nav-submenu-item {
    margin: 0;
}

.nav-submenu-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-left: calc(var(--spacing-lg) + 24px + var(--spacing-md));
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-submenu-link:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
    text-decoration: none;
}

.nav-submenu-item.active .nav-submenu-link {
    color: var(--color-primary);
    font-weight: 500;
}

/* Mobile-only nav items (hidden on desktop) */
.nav-divider-mobile,
.nav-item-mobile {
    display: none;
}

.nav-logout-form {
    margin: 0;
}

.nav-logout-btn {
    width: 100%;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.official-hp-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 13px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.official-hp-link:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.official-hp-link .nav-icon {
    font-size: 16px;
}

/* =====================================================
   Main Content
   ===================================================== */
.app-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-lg);
    max-width: calc(var(--content-max-width) + var(--spacing-lg) * 2);
}

/* =====================================================
   Breadcrumbs
   ===================================================== */
.breadcrumbs {
    margin-bottom: var(--spacing-lg);
}

.breadcrumbs ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.breadcrumbs li {
    display: flex;
    align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
    content: ">";
    margin-left: var(--spacing-sm);
    color: var(--color-text-muted);
}

.breadcrumbs a {
    color: var(--color-primary);
}

.breadcrumbs span {
    color: var(--color-text-secondary);
}

/* =====================================================
   Alerts
   ===================================================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
}

.alert-success {
    background: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.alert-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.alert-warning {
    background: var(--color-warning-light);
    color: #8a6d00;
    border: 1px solid var(--color-warning);
}

.alert-info {
    background: var(--color-info-light);
    color: var(--color-info);
    border: 1px solid var(--color-info);
}

.error-list {
    margin: var(--spacing-sm) 0 0;
    padding-left: var(--spacing-lg);
}

/* =====================================================
   Cards
   ===================================================== */
.card {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 500;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Metric Cards for Dashboard */
.metric-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.metric-card {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    text-align: center;
    transition: box-shadow var(--transition-fast);
}

.metric-card:hover {
    box-shadow: var(--shadow-md);
}

.metric-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.metric-value {
    font-size: 36px;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.2;
}

.metric-value.danger {
    color: var(--color-danger);
}

.metric-value.warning {
    color: var(--color-warning);
}

.metric-label {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--min-touch-target);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border-light);
}

.btn-success {
    background: var(--color-success);
    color: var(--color-text-inverse);
}

.btn-success:hover {
    background: #177b34;
}

.btn-danger {
    background: var(--color-danger);
    color: var(--color-text-inverse);
}

.btn-danger:hover {
    background: #c5221f;
}

.btn-danger-outline {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.btn-danger-outline:hover {
    background: var(--color-danger-light);
}

.btn-compact {
    min-height: 32px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.btn-link {
    background: transparent;
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    min-height: auto;
}

.btn-link:hover {
    text-decoration: underline;
}

.btn-sm {
    min-height: 36px;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
}

/* =====================================================
   Forms
   ===================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-danger);
    margin-left: var(--spacing-xs);
}

.form-control {
    display: block;
    width: 100%;
    min-height: var(--min-touch-target);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--color-danger-light);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-danger);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

/* Radio & Checkbox */
.form-check {
    display: flex;
    align-items: center;
    min-height: var(--min-touch-target);
    padding: var(--spacing-xs) 0;
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
}

.form-check-inline {
    display: inline-flex;
    margin-right: var(--spacing-lg);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--spacing-lg);
}

.form-actions-sticky {
    position: sticky;
    bottom: 0;
    background: var(--color-bg-white);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) calc(var(--spacing-lg) * -1) 0;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

/* =====================================================
   Tables
   ===================================================== */
.table-container {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
    background: var(--color-bg-white);
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.table th {
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

.table tbody tr {
    min-height: 56px;
}

.table tbody tr:nth-child(even) {
    background: var(--color-bg);
}

.table tbody tr:hover {
    background: var(--color-primary-light);
}

.table tbody tr.clickable-row {
    cursor: pointer;
}

.table td.nowrap {
    white-space: nowrap;
}

.table td.actions {
    text-align: right;
    white-space: nowrap;
}

/* Closed row style - more gray */
.table tbody tr.row-closed,
.table tbody tr.row-closed:nth-child(even) {
    background: #ddd;
    color: #999;
}

.table tbody tr.row-closed:hover {
    background: #d5d5d5;
}

.table tbody tr.row-closed td {
    color: #999;
}

.table tbody tr.row-closed a {
    color: #999;
}

.table tbody tr.row-closed .badge {
    background: #c5c5c5;
    color: #777;
}

.list-card.row-closed {
    background: #ddd;
    color: #999;
}

.list-card.row-closed:hover {
    background: #d5d5d5;
}

.list-card.row-closed .list-card-title,
.list-card.row-closed .list-card-meta,
.list-card.row-closed .list-card-footer {
    color: #999;
}

.list-card.row-closed .badge {
    background: #c5c5c5;
    color: #777;
}

/* Summary cell with two lines */
.cell-summary {
    min-width: 200px;
}

.cell-summary .summary-main {
    font-weight: 500;
    margin-bottom: 2px;
}

.cell-summary .summary-sub {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.cell-summary .summary-sub a {
    color: var(--color-text-secondary);
}

.cell-summary .summary-sub a:hover {
    color: var(--color-primary);
}

.row-closed .cell-summary .summary-main,
.row-closed .cell-summary .summary-sub,
.row-closed .cell-summary .summary-sub a {
    color: var(--color-text-muted);
}

/* Status cell - stacked layout */
.cell-status {
    white-space: nowrap;
}

.cell-status .badge:not(:first-child) {
    display: table;
    margin-top: 4px;
}

/* Owner cell - wider */
.cell-owner {
    min-width: 80px;
}

/* Due date cell - stacked layout */
.cell-due {
    white-space: nowrap;
}

.cell-due .badge-sm {
    font-size: 12px;
    padding: 2px 6px;
}

/* =====================================================
   Case List Tabs (Integrated Full Width)
   ===================================================== */
.case-tabs-wrapper {
    background: var(--color-bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.case-tabs {
    display: flex;
    background: #f5f5f1;
    border-bottom: 1px solid var(--color-border);
}

.case-tab {
    flex: 1;
    padding: 16px 24px;
    text-decoration: none;
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition-fast);
}

.case-tab:hover {
    background: #eaeae6;
    color: var(--color-text);
}

.case-tab.active {
    background: var(--color-bg-white);
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 500;
}

.case-tab-count {
    display: inline-block;
    background: #e0e0dc;
    color: var(--color-text-muted);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: var(--font-size-xs);
    margin-left: 6px;
}

.case-tab.active .case-tab-count {
    background: var(--color-primary);
    color: white;
}

/* Tab content area - no separate styles needed, inside wrapper */
.case-tabs-content {
    /* Content flows naturally inside the wrapper */
}

/* =====================================================
   Badges
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 6px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 4px;
    white-space: nowrap;
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning-light);
    color: #8a6d00;
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-info {
    background: var(--color-info-light);
    color: var(--color-info);
}

.badge-secondary {
    background: var(--color-bg);
    color: var(--color-text-secondary);
}

.badge-dark {
    background: #e8eaed;
    color: #5f6368;
}

.badge-light {
    background: #f8f9fa;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* =====================================================
   Pagination
   ===================================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: var(--min-touch-target);
    min-height: var(--min-touch-target);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg-white);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background: var(--color-bg);
    border-color: var(--color-primary);
}

.pagination .active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.pagination .disabled {
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.pagination-info {
    margin-left: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* =====================================================
   Auth Pages
   ===================================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-lg);
}

.auth-card {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    font-size: var(--font-size-h1);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--color-text-secondary);
    margin: 0;
}

/* =====================================================
   Page Header
   ===================================================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.page-title {
    margin: 0;
}

.page-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* =====================================================
   Filters
   ===================================================== */
.filters {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border-light);
}

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.filters .form-group {
    margin-bottom: 0;
    min-width: 150px;
}

.filters .form-control {
    min-height: 40px;
}

/* =====================================================
   Timeline (for communications)
   ===================================================== */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: calc(var(--spacing-xl) * -1 + 4px);
    top: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-bg-white);
}

.timeline-item.incoming::before {
    background: var(--color-info);
}

.timeline-item.outgoing::before {
    background: var(--color-success);
}

.timeline-header {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.timeline-date {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.timeline-content {
    background: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.timeline-body {
    white-space: pre-wrap;
    word-break: break-word;
}

/* Editable Communication Styles */
.editable-comm {
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
    border-radius: 4px;
    padding: 2px 4px;
    margin: -2px -4px;
}

.editable-comm:hover {
    background-color: #d4e5d9;
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.timeline-header .editable-comm:hover {
    text-decoration: underline;
    color: var(--color-primary-dark);
}

/* Timeline Container with max height scroll */
.timeline-container {
    max-height: 700px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

/* Task Table with 5 item limit */
.task-table-container {
    max-height: 320px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

/* Editable Task Styles */
.editable-task {
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
    border-radius: 4px;
    padding: 2px 6px;
    margin: -2px -6px;
}

.editable-task:hover {
    background-color: #d4e5d9;
    box-shadow: 0 0 0 2px var(--color-primary-light);
    text-decoration: underline;
    color: var(--color-primary-dark);
}

/* Danger Action Container */
.danger-action-container {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* =====================================================
   Empty State
   ===================================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

/* =====================================================
   Toast Notifications
   ===================================================== */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + var(--spacing-md));
    right: var(--spacing-md);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--color-bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    min-width: 300px;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

.toast-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-text-muted);
}

/* =====================================================
   Modal / Dialog
   ===================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    font-size: var(--font-size-lg);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: var(--spacing-xs);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Direct modal (standalone modal without overlay wrapper) */
.modal.modal-standalone {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    background: transparent;
    max-width: none;
    width: 100%;
    max-height: none;
    transform: none;
    border-radius: 0;
    box-shadow: none;
}

.modal.modal-standalone.active {
    display: flex;
}

.modal.modal-standalone .modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.modal.modal-standalone .modal-content {
    position: relative;
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: auto;
    z-index: 2;
}

/* Diff list for audit log modal */
.diff-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.diff-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.diff-item:last-child {
    border-bottom: none;
}

.diff-label {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.diff-values {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
}

.diff-old {
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.diff-arrow {
    color: var(--color-text-muted);
}

.diff-new {
    font-weight: 600;
    color: var(--color-primary);
}

/* =====================================================
   Case Detail Header (Sticky status)
   ===================================================== */
.case-header {
    position: sticky;
    top: var(--header-height);
    background: var(--color-bg-white);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: calc(var(--spacing-lg) * -1) calc(var(--spacing-lg) * -1) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.case-status-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.case-status-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.case-status-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.case-status-value {
    font-weight: 500;
}

.case-status-value.overdue {
    color: var(--color-danger);
}

/* =====================================================
   Utilities
   ===================================================== */
.text-muted {
    color: var(--color-text-muted);
}

.text-secondary {
    color: var(--color-text-secondary);
}

.text-danger {
    color: var(--color-danger);
}

.text-success {
    color: var(--color-success);
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* =====================================================
   SP List Cards (Mobile card layout for lists)
   ===================================================== */
.list-cards {
    display: none;
}

.list-card {
    display: block;
    position: relative;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    padding-right: calc(var(--spacing-md) + 24px);
    margin-bottom: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-fast), background var(--transition-fast);
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(26, 115, 232, 0.2);
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.list-card::after {
    content: ">";
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    pointer-events: none;
}

.list-card:hover {
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.list-card:active {
    background: var(--color-primary-light);
}

.list-card:active::after {
    color: var(--color-primary);
}


.list-card * {
    pointer-events: none;
}

/* Static list card (no card-level click, child elements are clickable) */
.list-card.list-card-static {
    cursor: default;
    padding-right: var(--spacing-md);
}

.list-card.list-card-static::after {
    display: none;
}

.list-card.list-card-static * {
    pointer-events: auto;
}

.list-card.list-card-static:hover {
    box-shadow: none;
}

.list-card.list-card-static:active {
    background: var(--color-bg-white);
}

.list-card-header {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.list-card-code {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.list-card-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.list-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.list-card-meta span::before {
    content: "";
}

.list-card-meta span:not(:first-child)::before {
    content: "・";
    margin-right: 2px;
}

.list-card-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--spacing-sm);
}

/* Dashboard action cards - SP limited display */
.dashboard-action-cards {
    position: relative;
}

.dashboard-action-cards .hidden-card {
    display: none;
}

.dashboard-action-cards.expanded .hidden-card {
    display: block;
}

.dashboard-action-cards .card-gradient-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(transparent, white);
    pointer-events: none;
}

.dashboard-action-cards.expanded .card-gradient-overlay {
    display: none;
}

/* Show/Hide utilities for responsive */
.show-mobile {
    display: none;
}

.hide-mobile {
    display: block;
}

/* =====================================================
   File Grid (for case files with thumbnails)
   ===================================================== */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.file-item {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--color-white);
}

.file-thumbnail {
    position: relative;
    display: block;
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: var(--color-bg);
}

.file-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-fast);
}

.file-thumbnail:hover img {
    transform: scale(1.05);
}

/* Image preview overlay */
.image-preview-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.image-preview-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.image-preview-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.file-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 160px;
    background: var(--color-bg);
    font-size: 48px;
}

.file-info {
    padding: var(--spacing-sm);
    flex: 1;
}

.file-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-xs);
}

.file-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.file-actions {
    padding: 0 var(--spacing-sm) var(--spacing-sm);
    text-align: right;
}

/* File Dropzone */
.file-dropzone {
    position: relative;
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.file-dropzone:hover,
.file-dropzone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.file-dropzone-content {
    pointer-events: none;
}

.file-dropzone-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.file-dropzone-text {
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.file-dropzone-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.file-dropzone-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-success-light);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-sm);
}

.file-preview-name {
    flex: 1;
    font-weight: 500;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-preview-remove {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.file-preview-remove:hover {
    color: var(--color-danger);
}

/* =====================================================
   Accordion
   ===================================================== */
.accordion-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.accordion-icon {
    font-size: var(--font-size-sm);
    transition: transform var(--transition-fast);
}

.accordion-toggle.open .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    overflow: hidden;
}

/* =====================================================
   Print Styles
   ===================================================== */
@media print {
    .app-header,
    .app-sidebar,
    .no-print {
        display: none !important;
    }

    .app-content {
        margin-left: 0;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* =====================================================
   Hamburger Menu Button
   ===================================================== */
.menu-toggle {
    display: none;
    width: var(--min-touch-target);
    height: var(--min-touch-target);
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-right: var(--spacing-md);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* =====================================================
   Responsive - Tablet (1024px and below)
   ===================================================== */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 220px;
    }

    .app-sidebar {
        width: var(--sidebar-width);
    }

    .app-content {
        margin-left: var(--sidebar-width);
    }

    .global-search {
        max-width: 350px;
    }

    .metric-cards {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
}

/* =====================================================
   Responsive - Mobile Landscape / Small Tablet (768px and below)
   ===================================================== */
@media (max-width: 768px) {
    :root {
        --font-size-base: 16px;
        --font-size-h1: 24px;
        --font-size-h2: 20px;
        --font-size-h3: 18px;
        --spacing-lg: 20px;
    }

    /* Header - Reorder for mobile: logo center, menu right */
    .app-header {
        padding: 0 var(--spacing-md);
        top: auto;
        bottom: 0;
        transition: transform 0.3s ease;
        position: fixed;
        justify-content: center;
    }

    .header-left {
        flex: 0 0 auto;
    }

    /* Hide user dropdown on mobile - sidebar has logout */
    .header-right {
        display: none;
    }

    .menu-toggle {
        display: flex;
        position: absolute;
        right: var(--spacing-md);
        top: 50%;
        transform: translateY(-50%);
    }

    .header-center {
        display: none;
    }

    .app-header.hidden {
        transform: translateY(100%);
    }

    /* Adjust content padding for bottom header */
    .app-body {
        margin-top: 0;
        padding-top: 0;
        padding-bottom: var(--header-height);
    }

    /* Sidebar - Hidden by default on mobile, slides from right */
    .sidebar-overlay {
        display: block;
        visibility: hidden;
        pointer-events: none;
    }

    .sidebar-overlay.active {
        visibility: visible;
        pointer-events: auto;
    }

    .app-sidebar {
        left: auto;
        right: 0;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        width: 280px;
        z-index: 51;
    }

    .app-sidebar.open {
        transform: translateX(0);
    }

    .nav-text {
        display: inline;
    }

    .nav-icon {
        margin-right: var(--spacing-md);
    }

    /* Show mobile-only nav items */
    .nav-divider-mobile,
    .nav-item-mobile {
        display: block;
    }

    /* Main Content */
    .app-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }

    /* Page Header */
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .page-actions {
        flex-wrap: wrap;
    }

    .page-actions .btn {
        flex: 1;
        min-width: 120px;
    }

    /* Filters */
    .filters {
        padding: var(--spacing-md);
    }

    .filters-row {
        flex-direction: column;
    }

    .filters .form-group {
        width: 100%;
    }

    /* Cards */
    .card-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .card-body {
        padding: var(--spacing-md);
    }

    /* Metric Cards - Horizontal Scroll Chips (Centered) */
    .metric-cards {
        display: flex;
        justify-content: center;
        gap: var(--spacing-sm);
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
    }

    .metric-card {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-shrink: 0;
        min-width: 70px;
        text-align: center;
    }

    .metric-value {
        font-size: 18px;
    }

    .metric-label {
        font-size: 10px;
        margin-top: 2px;
        white-space: nowrap;
    }

    /* Dashboard Actions - Two buttons side by side */
    .dashboard-actions {
        display: flex;
        gap: var(--spacing-sm);
        width: 100%;
    }

    .dashboard-actions .btn {
        flex: 1;
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: var(--font-size-sm);
        white-space: nowrap;
    }

    /* Message Templates - SP Layout */
    .msg-tpl-container {
        display: block !important;
        height: auto !important;
    }

    .msg-tpl-sidebar {
        display: none !important;
    }

    .msg-tpl-tabs-pc {
        display: none !important;
    }

    .msg-tpl-subnav-pc {
        display: none !important;
    }

    .msg-tpl-tabs-sp {
        display: block !important;
    }

    /* Segment Control for Services */
    .msg-segment {
        display: flex;
        background: var(--color-bg-secondary);
        border-radius: 8px;
        padding: 4px;
        margin: 12px;
        gap: 2px;
    }

    .msg-segment-item {
        flex: 1;
        padding: 8px 4px;
        text-align: center;
        font-size: 10px;
        border-radius: 6px;
        cursor: pointer;
        border: none;
        background: transparent;
        color: var(--color-text-secondary);
        transition: all 0.2s;
    }

    .msg-segment-item.active {
        background: #fff;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        color: var(--color-primary);
        font-weight: 500;
    }

    /* Horizontal Scroll Phases */
    .msg-phases-scroll {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding: 0 12px 12px;
        -webkit-overflow-scrolling: touch;
    }

    .msg-phase-chip {
        flex-shrink: 0;
        padding: 8px 14px;
        background: var(--color-bg-secondary);
        border-radius: 20px;
        font-size: 12px;
        cursor: pointer;
        border: none;
        color: var(--color-text-secondary);
        white-space: nowrap;
        transition: all 0.2s;
    }

    .msg-phase-chip.active {
        background: var(--color-primary);
        color: #fff;
    }

    .msg-tpl-content {
        padding: 12px !important;
    }

    .msg-tpl-content textarea {
        min-height: 60vh !important;
        height: auto !important;
        flex: none !important;
    }

    .msg-tpl-container {
        height: auto !important;
    }

    /* Tables - Horizontal Scroll */
    .table-container {
        margin: 0;
        padding: 0;
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table {
        min-width: 500px;
    }

    .table th,
    .table td {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    /* Hide less important columns on mobile */
    .table .hide-mobile {
        display: none;
    }

    /* Show/hide mobile specific elements */
    .show-mobile {
        display: block;
    }

    .hide-mobile {
        display: none !important;
    }

    /* List cards for mobile */
    .list-cards {
        display: block;
    }

    .list-card {
        padding: var(--spacing-sm);
    }

    .list-card-title {
        font-size: var(--font-size-sm);
    }

    /* Dashboard action cards - SP limited display */
    .dashboard-action-cards .hidden-card {
        display: none;
    }

    .dashboard-action-cards.expanded .hidden-card {
        display: block;
    }

    /* SP: Remove max-height restriction, use hidden-card instead */
    #action-required-section {
        max-height: none !important;
        overflow: visible !important;
    }

    /* Cards proper width */
    .card {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    /* Buttons */
    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-group .btn {
        width: 100%;
    }

    /* Case Header */
    .case-header {
        padding: var(--spacing-md);
        margin: calc(var(--spacing-md) * -1) calc(var(--spacing-md) * -1) var(--spacing-md);
    }

    .case-status-info {
        gap: var(--spacing-md);
    }

    /* Timeline */
    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline-item::before {
        left: calc(var(--spacing-lg) * -1 + 4px);
    }

    /* SP: Timeline Container - 70% viewport height */
    .timeline-container {
        max-height: 70vh;
        overflow-y: auto;
    }

    /* SP: Task Table - 5 items max (approx 280px) */
    .task-table-container {
        max-height: 280px;
        overflow-y: auto;
    }

    /* Toasts */
    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }

    .toast {
        min-width: auto;
        max-width: none;
    }

    /* Modal */
    .modal {
        width: 95%;
        max-height: 85vh;
    }

    .modal.modal-standalone {
        width: 100%;
        max-height: none;
    }

    .modal.modal-standalone .modal-content {
        width: 95%;
        max-height: 85vh;
    }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
    }

    .pagination-info {
        width: 100%;
        text-align: center;
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }
}

/* =====================================================
   Responsive - Mobile Portrait (480px and below)
   ===================================================== */
@media (max-width: 480px) {
    :root {
        --font-size-base: 15px;
        --min-touch-target: 48px;
    }

    /* Prevent horizontal overflow */
    html, body {
        overflow-x: hidden;
    }

    .app-header {
        padding: 0 var(--spacing-sm);
    }

    .app-logo {
        font-size: var(--font-size-base);
    }

    .logout-form {
        margin-left: var(--spacing-sm);
    }

    .logout-form .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    /* Content */
    .app-content {
        padding: var(--spacing-sm);
        max-width: 100vw;
        overflow-x: hidden;
    }

    /* Metric Cards - Single Column */
    .metric-cards {
        grid-template-columns: 1fr;
    }

    /* Cards - Full width without negative margins */
    .card {
        margin-left: 0;
        margin-right: 0;
        border-radius: var(--border-radius);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-sm);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Filters full width */
    .filters {
        padding: var(--spacing-sm);
        margin-left: 0;
        margin-right: 0;
    }

    /* Tables - Proper horizontal scroll */
    .table-container {
        margin: 0;
        padding: 0;
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table {
        min-width: 600px;
    }

    .table th,
    .table td {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    /* Forms */
    .form-group {
        margin-bottom: var(--spacing-md);
    }

    .form-control {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Auth */
    .auth-container {
        padding: var(--spacing-md);
        width: 100%;
        max-width: 100%;
    }

    .auth-card {
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Badges inline */
    .badge {
        font-size: 12px;
        padding: 2px 6px;
    }

    /* Tables - Show action buttons vertically */
    .table td.actions {
        white-space: normal;
    }

    .table td.actions .btn-group {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .table td.actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Page header */
    .page-header {
        padding: 0;
    }

    .page-title {
        font-size: var(--font-size-lg);
        word-wrap: break-word;
    }

    /* Breadcrumbs */
    .breadcrumbs {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-sm);
    }

    /* Case header */
    .case-header {
        margin: 0 0 var(--spacing-sm) 0;
        padding: var(--spacing-sm);
    }

    .case-status-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

/* =====================================================
   Responsive - Auth Page Specific
   ===================================================== */
@media (max-width: 480px) {
    .auth-page {
        align-items: flex-start;
        padding-top: var(--spacing-xl);
    }

    .auth-logo {
        font-size: var(--font-size-h2);
    }
}

/* =====================================================
   Touch Device Enhancements
   ===================================================== */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn {
        min-height: 48px;
    }

    .form-control {
        min-height: 48px;
    }

    .nav-link {
        min-height: 52px;
    }

    /* Remove hover effects that don't work on touch */
    .table tbody tr:hover {
        background: inherit;
    }

    .table tbody tr:nth-child(even):hover {
        background: var(--color-bg);
    }

    /* Add active state for touch feedback */
    .btn:active {
        transform: scale(0.98);
    }

    .nav-link:active {
        background: var(--color-primary-light);
    }
}

/* =====================================================
   Scroll to Top Button (Mobile Only)
   ===================================================== */
.scroll-top-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: rgba(74, 124, 89, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 100;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:active {
    background: rgba(74, 124, 89, 0.9);
    transform: scale(0.95);
}

.scroll-top-btn .arrow {
    font-size: 14px;
    line-height: 1;
}

.scroll-top-btn .text {
    font-size: 9px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

/* Show only on mobile (768px and below) */
@media (max-width: 768px) {
    .scroll-top-btn {
        display: flex;
    }
}

/* =====================================================
   Mobile Breadcrumbs (Bottom Fixed)
   ===================================================== */
.breadcrumbs-mobile {
    display: none;
}

@media (max-width: 768px) {
    .breadcrumbs-mobile {
        display: block;
        position: fixed;
        left: 0;
        right: 0;
        bottom: var(--header-height);
        background: #fff;
        border-top: 1px solid var(--color-border);
        padding: var(--spacing-sm) var(--spacing-md);
        z-index: 49;
        transition: bottom 0.3s ease;
    }

    /* ヘッダーが非表示の時は一番下に */
    .breadcrumbs-mobile.header-hidden {
        bottom: 0;
    }

    .breadcrumbs-mobile ol {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .breadcrumbs-mobile li {
        display: flex;
        align-items: center;
        font-size: var(--font-size-sm);
    }

    .breadcrumbs-mobile li:not(:last-child)::after {
        content: ">";
        margin-left: var(--spacing-sm);
        color: var(--color-text-muted);
    }

    .breadcrumbs-mobile a {
        color: var(--color-primary);
    }

    .breadcrumbs-mobile span {
        color: var(--color-text-secondary);
    }

    /* パンくずの分だけコンテンツの余白を追加 */
    .app-body {
        padding-bottom: calc(var(--header-height) + 40px);
    }

    /* 上に戻るボタンをパンくずの上に配置 */
    .scroll-top-btn {
        bottom: calc(var(--header-height) + 48px);
        transition: bottom 0.3s ease;
    }

    .scroll-top-btn.header-hidden {
        bottom: 48px;
    }
}