/**
 * Suidasu - Custom Styles
 *
 * This file contains custom styles that extend Tailwind CSS.
 * Add your custom styles here for consistent design across the application.
 */

/* ==========================================================================
   CSS Variables (Design Tokens)
   ========================================================================== */
:root {
    /* Primary Colors (メインカラー) - 変更する場合は tailwind-config.js も更新してください */
    --color-primary-50: #ecfdf5;
    --color-primary-100: #d1fae5;
    --color-primary-200: #a7f3d0;
    --color-primary-300: #6ee7b7;
    --color-primary-400: #34d399;
    --color-primary-500: #10b981;
    --color-primary-600: #059669;
    --color-primary-700: #047857;
    --color-primary-800: #065f46;
    --color-primary-900: #064e3b;

    /* Secondary Colors (アクセントカラー) - Teal */
    --color-secondary-50: #f0fdfa;
    --color-secondary-100: #ccfbf1;
    --color-secondary-200: #99f6e4;
    --color-secondary-300: #5eead4;
    --color-secondary-400: #2dd4bf;
    --color-secondary-500: #14b8a6;
    --color-secondary-600: #0d9488;
    --color-secondary-700: #0f766e;
    --color-secondary-800: #115e59;
    --color-secondary-900: #134e4a;

    /* Neutral Colors */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-modal: 1050;
    --z-tooltip: 1100;
    --z-toast: 1200;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Sidebar Styles
   ========================================================================== */
.sidebar-link {
    transition: all var(--transition-normal);
}

.sidebar-link:hover {
    background-color: var(--color-primary-50);
    color: var(--color-primary-600);
}

.sidebar-link.active {
    background-color: var(--color-primary-50);
    color: var(--color-primary-600);
    border-right: 3px solid var(--color-primary-600);
}

/* ==========================================================================
   Card Styles
   ========================================================================== */
.card {
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
}

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

.card-clickable:hover {
    border-color: var(--color-primary-300);
    transform: translateY(-1px);
}

/* ==========================================================================
   Button Styles
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.btn-primary {
    background-color: var(--color-primary-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-700);
}

.btn-secondary {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background-color: var(--color-gray-200);
}

.btn-danger {
    background-color: var(--color-error);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-gray-600);
}

.btn-ghost:hover {
    background-color: var(--color-gray-100);
}

/* ==========================================================================
   Form Styles
   ========================================================================== */
.form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input:disabled {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.25rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--color-error);
    margin-top: 0.25rem;
}

/* ==========================================================================
   Badge Styles
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-success {
    background-color: #dcfce7;
    color: #166534;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-error {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-gray {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

/* ==========================================================================
   Table Styles
   ========================================================================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background-color: var(--color-gray-50);
    padding: 0.75rem 1.5rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-500);
}

.table td {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-200);
}

.table tbody tr:hover {
    background-color: var(--color-gray-50);
}

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

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

.modal {
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 32rem;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* ==========================================================================
   Toast / Notification Styles
   ========================================================================== */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-info);
    animation: slideIn var(--transition-normal) ease-out;
}

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

.toast-error {
    border-left-color: var(--color-error);
}

.toast-warning {
    border-left-color: var(--color-warning);
}

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

/* ==========================================================================
   Loading Styles
   ========================================================================== */
.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-gray-200) 25%,
        var(--color-gray-100) 50%,
        var(--color-gray-200) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ==========================================================================
   Dropdown Styles
   ========================================================================== */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 12rem;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: all var(--transition-fast);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    transition: background-color var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: var(--color-gray-50);
}

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

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ==========================================================================
   Tooltip Styles
   ========================================================================== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 0.5rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    color: white;
    background-color: var(--color-gray-800);
    border-radius: var(--radius-md);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   HTMX Specific Styles
   ========================================================================== */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-flex;
}

.htmx-request.htmx-indicator {
    display: inline-flex;
}

/* Fade transition for HTMX swaps */
.htmx-swapping {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.htmx-settling {
    opacity: 1;
    transition: opacity var(--transition-fast);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Focus visible for accessibility */
.focus-ring:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

/* Visually hidden but accessible */
.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;
}

/* ==========================================================================
   Icon Filter Classes
   ========================================================================== */
/* White icon (for use on colored backgrounds like primary buttons) */
.invert,
.icon-white {
    filter: brightness(0) invert(1) !important;
}

/* Green icon (for success messages) */
.green-icon,
.icon-green {
    filter: invert(48%) sepia(79%) saturate(2476%) hue-rotate(86deg) brightness(95%) contrast(101%) !important;
}

/* Red icon (for error messages) */
.red-icon,
.icon-red {
    filter: invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%) !important;
}

/* Sidebar icon (primary green color for navigation icons) */
.sidebar-icon {
    filter: invert(42%) sepia(93%) saturate(401%) hue-rotate(109deg) brightness(92%) contrast(94%) !important;
}