/* Custom styles for Money Tracker - Light Theme */
/* Design System v2.0 - 整站統一美化 */

/* ============================================
   Design System - CSS Variables
   ============================================ */
:root {
    /* Colors - 固定白底系統 */
    --color-bg: #ffffff;
    --color-bg-subtle: #f9fafb;
    --color-text-primary: #111827;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;

    /* Primary */
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-light: #eef2ff;

    /* Semantic Colors */
    --color-success: #16a34a;
    --color-success-hover: #15803d;
    --color-success-light: #f0fdf4;
    --color-success-border: #bbf7d0;

    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-danger-light: #fef2f2;
    --color-danger-border: #fecaca;

    --color-warning: #d97706;
    --color-warning-light: #fffbeb;
    --color-warning-border: #fde68a;

    --color-neutral: #6b7280;
    --color-neutral-light: #f9fafb;
    --color-neutral-border: #e5e7eb;

    --color-reward: #7c3aed;
    --color-reward-light: #f5f3ff;
    --color-reward-border: #ddd6fe;

    /* Spacing (8px system) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans TC', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 15px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-kpi: 28px;
    --line-height: 1.5;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --radius-full: 9999px;

    /* Shadows - 極淡 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);

    /* Sizes */
    --input-height: 40px;
    --btn-height: 40px;
    --sidebar-width: 240px;
    --container-max: 1152px;
}

/* ============================================
   1) Layout
   ============================================ */

/* App Shell - 整體結構 */
.app-shell {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-bg);
}

/* Sidebar - 左側選單 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--color-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 40;
    overflow-y: auto;
}

/* Main - 右側主內容 */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--color-bg);
}

/* Container - 內容容器 */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-6);
}

/* Page - 頁面外層 */
.page {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Page Header - 標題區 */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.page-header-content {
    flex: 1;
    min-width: 0;
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
    line-height: 1.2;
}

.page-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: var(--space-1) 0 0 0;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* ============================================
   2) Cards
   ============================================ */
.card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--space-4);
}

.card-header-content {
    flex: 1;
    min-width: 0;
}

.card-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    line-height: 1.3;
}

.card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: var(--space-1) 0 0 0;
}

.card-body {
    padding: var(--space-5) var(--space-6);
}

.card-body-compact {
    padding: var(--space-4);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-bg-subtle);
}

/* ============================================
   3) KPI Grid & Cards (帶左側色條)
   ============================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.kpi-card {
    position: relative;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-xs);
    transition: box-shadow 0.2s, border-color 0.2s;
    overflow: hidden;
}

/* 左側色條 - 基礎樣式 */
.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    bottom: 12px;
    width: 4px;
    border-radius: 0 4px 4px 0;
    background-color: var(--color-border);
}

.kpi-card:hover {
    box-shadow: var(--shadow-sm);
    border-color: #d1d5db;
}

/* KPI 類別顏色 - Success (綠) */
.kpi-card.kpi-success {
    background-color: var(--color-success-light);
    border-color: var(--color-success-border);
}
.kpi-card.kpi-success::before {
    background-color: var(--color-success);
}
.kpi-card.kpi-success:hover {
    border-color: #86efac;
}

/* KPI 類別顏色 - Danger (紅) */
.kpi-card.kpi-danger {
    background-color: var(--color-danger-light);
    border-color: var(--color-danger-border);
}
.kpi-card.kpi-danger::before {
    background-color: var(--color-danger);
}
.kpi-card.kpi-danger:hover {
    border-color: #fca5a5;
}

/* KPI 類別顏色 - Neutral (灰) */
.kpi-card.kpi-neutral {
    background-color: var(--color-neutral-light);
    border-color: var(--color-neutral-border);
}
.kpi-card.kpi-neutral::before {
    background-color: var(--color-neutral);
}
.kpi-card.kpi-neutral:hover {
    border-color: #d1d5db;
}

/* KPI 類別顏色 - Reward (紫) */
.kpi-card.kpi-reward {
    background-color: var(--color-reward-light);
    border-color: var(--color-reward-border);
}
.kpi-card.kpi-reward::before {
    background-color: var(--color-reward);
}
.kpi-card.kpi-reward:hover {
    border-color: #c4b5fd;
}

/* KPI 類別顏色 - Warning (黃) */
.kpi-card.kpi-warning {
    background-color: var(--color-warning-light);
    border-color: var(--color-warning-border);
}
.kpi-card.kpi-warning::before {
    background-color: var(--color-warning);
}
.kpi-card.kpi-warning:hover {
    border-color: #fcd34d;
}

/* KPI 類別顏色 - Primary (藍紫) */
.kpi-card.kpi-primary {
    background-color: var(--color-primary-light);
    border-color: #c7d2fe;
}
.kpi-card.kpi-primary::before {
    background-color: var(--color-primary);
}
.kpi-card.kpi-primary:hover {
    border-color: #a5b4fc;
}

.kpi-content {
    padding-left: var(--space-3);
}

.kpi-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
    line-height: 1.3;
}

.kpi-value {
    display: block;
    font-size: var(--font-size-kpi);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.kpi-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
}

.kpi-change.positive { color: var(--color-success); }
.kpi-change.negative { color: var(--color-danger); }

.kpi-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ============================================
   4) Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: var(--btn-height);
    padding: 0 var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary Button - 單一主色，不要漸層 */
.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

/* Secondary Button - 白底+邊框 */
.btn-secondary {
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-subtle);
    border-color: #d1d5db;
}

.btn-secondary:focus {
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.15);
}

/* Ghost Button - 透明/淡灰 hover */
.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-primary);
}

.btn-ghost:focus {
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.1);
}

/* Danger Button */
.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-hover);
    border-color: var(--color-danger-hover);
}

.btn-danger:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

/* Success Button */
.btn-success {
    background-color: var(--color-success);
    color: #ffffff;
    border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
    background-color: var(--color-success-hover);
    border-color: var(--color-success-hover);
}

.btn-success:focus {
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.2);
}

/* Button Sizes */
.btn-sm {
    height: 32px;
    padding: 0 var(--space-3);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.btn-lg {
    height: 48px;
    padding: 0 var(--space-6);
    font-size: var(--font-size-md);
}

.btn-icon {
    width: var(--btn-height);
    padding: 0;
}

.btn-icon.btn-sm {
    width: 32px;
}

/* Button Group */
.btn-group {
    display: flex;
    gap: var(--space-2);
}

/* ============================================
   5) Form Elements
   ============================================ */
.field {
    margin-bottom: var(--space-5);
}

.field:last-child {
    margin-bottom: 0;
}

.label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

.help {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* 統一 input/select/textarea 高度 40px */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
input[type="tel"],
input[type="url"],
select,
.form-input,
.form-select {
    display: block;
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s, box-shadow 0.15s;
}

textarea,
.form-textarea {
    display: block;
    width: 100%;
    min-height: 100px;
    padding: var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s, box-shadow 0.15s;
    resize: vertical;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

/* Focus ring - 不刺眼 */
input:focus,
select:focus,
textarea:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
}

input:disabled,
select:disabled,
textarea:disabled {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

select,
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
}

/* Field Error State */
.field-error input,
.field-error select,
.field-error textarea {
    border-color: var(--color-danger);
}

.field-error input:focus,
.field-error select:focus,
.field-error textarea:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}

.error-message {
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    margin-top: var(--space-2);
}

.help-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

/* ============================================
   6) Table
   ============================================ */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
}

.table th {
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
}

.table td {
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: middle;
}

.table tbody tr {
    transition: background-color 0.15s;
}

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

.table tbody tr:last-child td {
    border-bottom: none;
}

/* 金額/數字靠右 */
.table .num,
.table .amount,
.table .text-right,
.table td[data-type="number"] {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

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

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ============================================
   6b) List
   ============================================ */
.list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--space-4);
}

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

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
}

.list-item-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.list-item-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.list-item-value {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}

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

.text-primary {
    color: var(--color-text-primary) !important;
}

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

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

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

.text-warning {
    color: var(--color-warning) !important;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

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

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

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

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

.badge-gray {
    background-color: #f3f4f6;
    color: #4b5563;
}

.badge-purple {
    background-color: #f3e8ff;
    color: #7c3aed;
}

/* Pill */
.pill {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    background-color: var(--color-bg-subtle);
    color: var(--color-text-secondary);
}

/* Divider */
.divider {
    height: 1px;
    background-color: var(--color-border);
    border: none;
    margin: var(--space-4) 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background-color: var(--color-border);
}

/* Spacer */
.spacer {
    flex: 1;
}

.spacer-sm { height: var(--space-2); }
.spacer-md { height: var(--space-4); }
.spacer-lg { height: var(--space-6); }
.spacer-xl { height: var(--space-8); }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   8) Responsive Layout
   ============================================ */
@media (max-width: 1024px) {
    .main {
        margin-left: 0;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

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

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 640px) {
    .container {
        padding: var(--space-4);
    }

    .page {
        gap: var(--space-3);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }

    .card-header,
    .card-body {
        padding: var(--space-3);
    }

    .kpi-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-2);
    }

    .kpi-card {
        padding: var(--space-3);
    }

    .kpi-label {
        font-size: 11px;
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .table {
        font-size: 13px;
    }

    .table th,
    .table td {
        padding: 6px 8px;
        white-space: nowrap;
    }

    .btn-group {
        flex-direction: column;
    }

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

    /* Toast 手機全寬 */
    .toast {
        min-width: 0;
        max-width: 100%;
    }
}


/* Mobile: action buttons icon-only */
@media (max-width: 768px) {
    .action-label {
        display: none;
    }
    .order-action-btn {
        padding: 6px !important;
    }
}

/* Drag and drop */
tr.drag-over {
    border-top: 2px solid var(--color-primary, #6366f1) !important;
    background-color: #eef2ff !important;
}

.drag-handle:hover {
    color: #6366f1 !important;
}

/* iOS safe areas */
@supports (padding: env(safe-area-inset-bottom)) {
    body {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* ============================================
   Legacy Styles (Tailwind Compatibility)
   ============================================ */

/* Navigation active state */
.nav-link.active {
    @apply bg-primary-50 text-primary-700;
}

.nav-link.active svg {
    @apply text-primary-500;
}

/* Legacy Table styles */
.data-table {
    @apply w-full text-sm text-left text-gray-900;
}

.data-table thead {
    @apply bg-gray-50 text-gray-500 uppercase text-xs;
}

.data-table th {
    @apply px-4 py-3 font-semibold tracking-wider border-b border-gray-200;
}

.data-table td {
    @apply px-4 py-3 border-b border-gray-100 text-gray-900;
}

.data-table tbody tr {
    @apply transition-colors duration-150;
}

.data-table tbody tr:hover {
    @apply bg-gray-50;
}

/* Legacy stat-card */
.stat-card {
    position: relative;
    @apply bg-white p-5 border border-gray-200 transition-all duration-200;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    bottom: 12px;
    width: 4px;
    border-radius: 0 4px 4px 0;
    background-color: var(--color-border);
}

.stat-card:hover {
    @apply border-gray-300;
    box-shadow: var(--shadow-sm);
}

.stat-card-title {
    @apply text-xs font-medium text-gray-500 uppercase tracking-wider;
}

.stat-card-value {
    font-size: var(--font-size-kpi);
    @apply font-bold text-gray-900 mt-1;
}

.stat-card-icon {
    @apply w-12 h-12 flex items-center justify-center;
    border-radius: var(--radius-sm);
}

/* Legacy form styles */
.form-label {
    @apply block text-sm font-medium text-gray-700 mb-1.5;
}

.form-input {
    height: var(--input-height);
    @apply w-full px-3 bg-white border border-gray-200 text-gray-900 placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-primary-500/20 focus:border-primary-500 transition-all duration-200;
    border-radius: var(--radius-sm);
}

.form-input:disabled {
    @apply bg-gray-100 text-gray-500 cursor-not-allowed;
}

.form-select {
    height: var(--input-height);
    @apply w-full px-3 bg-white border border-gray-200 text-gray-900 focus:outline-none focus:ring-2 focus:ring-primary-500/20 focus:border-primary-500 transition-all duration-200 appearance-none cursor-pointer;
    border-radius: var(--radius-sm);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
}

.form-textarea {
    @apply w-full px-3 py-3 bg-white border border-gray-200 text-gray-900 placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-primary-500/20 focus:border-primary-500 transition-all duration-200 resize-none;
    border-radius: var(--radius-sm);
}

/* Toast styles */
.toast {
    @apply flex items-start min-w-[320px] max-w-sm;
    background: rgba(240, 253, 244, 0.95);
    backdrop-filter: blur(12px);
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    animation: toastIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.toast-body {
    @apply flex items-center gap-3 w-full;
    padding: 14px 16px;
}

.toast-icon {
    @apply flex items-center justify-center flex-shrink-0;
    width: 20px;
    height: 20px;
}

.toast-icon svg {
    width: 20px;
    height: 20px;
}

.toast-message {
    @apply flex-1 text-sm font-medium leading-snug;
    color: #1a1a2e;
}

.toast-close {
    @apply flex-shrink-0 p-1 rounded-lg transition-all cursor-pointer;
    color: #9ca3af;
    background: transparent;
    border: none;
}

.toast-close:hover {
    color: #4b5563;
    background: rgba(0, 0, 0, 0.05);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    border-radius: 0 0 14px 14px;
    animation: toastProgress linear forwards;
}

.toast-success .toast-icon svg { color: #059669; }
.toast-success .toast-progress { background: linear-gradient(90deg, #34d399, #059669); }

.toast-error .toast-icon svg { color: #dc2626; }
.toast-error .toast-progress { background: linear-gradient(90deg, #f87171, #dc2626); }

.toast-info .toast-icon svg { color: #2563eb; }
.toast-info .toast-progress { background: linear-gradient(90deg, #60a5fa, #2563eb); }

.toast-warning .toast-icon svg { color: #d97706; }
.toast-warning .toast-progress { background: linear-gradient(90deg, #fbbf24, #d97706); }

@keyframes toastIn {
    from {
        transform: translateX(100%) scale(0.9);
        opacity: 0;
    }
    60% {
        transform: translateX(-4%) scale(1.02);
        opacity: 1;
    }
    to {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
}

@keyframes toastOut {
    from {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateX(110%) scale(0.9);
        opacity: 0;
    }
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

.toast-exit {
    animation: toastOut 0.35s cubic-bezier(0.5, 0, 1, 0.5) forwards;
}

/* Loading spinner */
.spinner {
    @apply animate-spin rounded-full border-2 border-gray-200 border-t-primary-600;
}

/* Pagination styles */
.pagination {
    @apply flex items-center space-x-1;
}

.pagination-btn {
    @apply px-3 py-1.5 border text-sm text-gray-600 hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed transition-all duration-200;
    border-color: var(--color-border);
    border-radius: var(--radius-sm);
}

.pagination-btn.active {
    background-color: var(--color-primary);
    @apply text-white;
    border-color: var(--color-primary);
}

/* Status indicators */
.status-dot {
    @apply w-2 h-2 rounded-full inline-block mr-2;
}

.status-dot.active {
    @apply bg-green-500;
}

.status-dot.inactive {
    @apply bg-gray-400;
}

/* Search input */
.search-input {
    height: var(--input-height);
    @apply pl-10 pr-4 bg-white border text-gray-900 placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-primary-500/20 focus:border-primary-500 w-full lg:w-64 transition-all duration-200;
    border-color: var(--color-border);
    border-radius: var(--radius-sm);
}

/* Empty state */
.empty-state {
    @apply text-center py-8;
    color: var(--color-text-secondary);
}

.empty-state-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 8px auto;
    color: #d1d5db;
}

.empty-state-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

/* Modal animations */
#modal-container.show {
    display: block;
}

#modal-container.show #modal-backdrop {
    animation: fadeIn 0.2s ease-out;
}

#modal-container.show #modal-content {
    animation: scaleIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--color-bg-subtle);
}

::-webkit-scrollbar-thumb {
    background-color: #d1d5db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #9ca3af;
}

/* Data card */
.data-card {
    @apply bg-white border overflow-hidden;
    border-color: var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
}

.data-card-header {
    @apply px-5 py-4 border-b flex items-center justify-between;
    border-color: var(--color-border-light);
}

.data-card-title {
    @apply text-base font-semibold;
    color: var(--color-text-primary);
}

.data-card-body {
    @apply p-5;
}

/* Progress bar */
.progress-bar {
    @apply h-2 rounded-full overflow-hidden;
    background-color: var(--color-bg-subtle);
}

.progress-bar-fill {
    @apply h-full rounded-full transition-all duration-500;
}

/* Icon button */
.icon-btn {
    @apply p-2 text-gray-400 hover:text-gray-600 hover:bg-gray-100 transition-all duration-200;
    border-radius: var(--radius-sm);
}

/* Chart container */
.chart-container {
    @apply relative h-64;
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }

    #sidebar,
    .sidebar {
        display: none !important;
    }

    main,
    .main {
        margin-left: 0 !important;
    }
}

/* Mobile menu animation */
#sidebar.open {
    transform: translateX(0);
}

/* Stat card colors - 使用新的 KPI 顏色系統 */
.stat-card.stat-success,
.stat-icon-green {
    background-color: var(--color-success-light);
    border-color: var(--color-success-border);
}
.stat-card.stat-success::before {
    background-color: var(--color-success);
}

.stat-card.stat-danger,
.stat-icon-red {
    background-color: var(--color-danger-light);
    border-color: var(--color-danger-border);
}
.stat-card.stat-danger::before {
    background-color: var(--color-danger);
}

.stat-card.stat-warning,
.stat-icon-yellow {
    background-color: var(--color-warning-light);
    border-color: var(--color-warning-border);
}
.stat-card.stat-warning::before {
    background-color: var(--color-warning);
}

.stat-card.stat-primary,
.stat-icon-blue {
    background-color: var(--color-primary-light);
    border-color: #c7d2fe;
}
.stat-card.stat-primary::before {
    background-color: var(--color-primary);
}

.stat-card.stat-reward,
.stat-icon-purple {
    background-color: var(--color-reward-light);
    border-color: var(--color-reward-border);
}
.stat-card.stat-reward::before {
    background-color: var(--color-reward);
}

.stat-icon-cyan {
    @apply bg-cyan-100 text-cyan-600;
}

.stat-icon-gray {
    @apply bg-gray-100 text-gray-500;
}