/**
 * Welltech UI Components
 * 共通コンポーネントスタイル
 */

/* ===== A. Dashboard & Analytics ===== */

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--bg-base);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.progress-fill {
    height: 100%;
    background: var(--accent-color);
    border-radius: var(--radius-full);
    transition: width var(--transition-smooth), background-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Progress Bar Variants */
.progress-bar-sm {
    height: 8px;
}

.progress-bar-lg {
    height: 16px;
}

.progress-bar-xl {
    height: 20px;
}

/* Progress Bar Colors */
.progress-fill-primary {
    background: var(--primary-color);
}

.progress-fill-success {
    background: var(--success-color);
}

.progress-fill-warning {
    background: var(--warning-color);
}

.progress-fill-error {
    background: var(--error-color);
}

.progress-fill-accent {
    background: var(--accent-color);
}

/* Progress Bar with Label */
.progress-container {
    margin-bottom: var(--spacing-md);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

.progress-value {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
}

/* KPI Stats Card */
.kpi-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid var(--border-light);
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.kpi-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.kpi-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    background: var(--primary-bg);
}

.kpi-card-value {
    font-family: var(--font-family-number);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: var(--line-height-tight);
    margin: var(--spacing-sm) 0;
}

.kpi-card-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.kpi-card-change {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-top: var(--spacing-sm);
}

.kpi-card-change.positive {
    color: var(--primary-color);
}

.kpi-card-change.negative {
    color: var(--text-muted);
}

.kpi-card-change i {
    font-size: var(--font-size-xs);
}

/* Simple Line Chart Container */
.chart-container {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.chart-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.chart-legend {
    display: flex;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.chart-legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

/* ===== B. Lists & Management ===== */

/* Data Table */
.data-table-wrapper {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

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

.data-table thead {
    background: var(--bg-warm-grey);
}

.data-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: var(--spacing-md) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--bg-base-alt);
}

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

/* Data Table - Calm & Subtle Variants */
.data-table-soft {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table-soft thead {
    background: linear-gradient(135deg, #F5F5F5 0%, #FAFAFA 100%);
}

.data-table-soft th {
    padding: var(--spacing-md) var(--spacing-md);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: linear-gradient(135deg, #F8F8F8 0%, #F0F0F0 100%);
}

.data-table-soft td {
    padding: var(--spacing-md) var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--bg-white);
}

.data-table-soft tbody tr {
    transition: all var(--transition-base);
}

.data-table-soft tbody tr:hover {
    background: rgba(0, 139, 139, 0.03);
    transform: translateX(2px);
}

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

.data-table-wrapper-soft {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    padding: var(--spacing-xs);
}

/* Data Table - Dark Tone */
.data-table-dark {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: transparent;
}

.data-table-dark thead {
    background: transparent;
}

.data-table-dark th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: rgba(255, 255, 255, 0.95);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
    letter-spacing: 0.3px;
    background: linear-gradient(135deg, #34495E 0%, #2C3E50 100%);
}

.data-table-dark td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.95);
    background: linear-gradient(135deg, #3A4A5C 0%, #34495E 100%);
}

.data-table-dark tbody tr {
    transition: background-color var(--transition-base);
}

.data-table-dark tbody tr:hover td {
    background: linear-gradient(135deg, #4A5A6C 0%, #445564 100%);
}

.data-table-dark tbody tr:nth-child(even) td {
    background: linear-gradient(135deg, #3E4E5E 0%, #384856 100%);
}

.data-table-dark tbody tr:nth-child(even):hover td {
    background: linear-gradient(135deg, #4E5E6E 0%, #485866 100%);
}

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

.data-table-wrapper-dark {
    background: linear-gradient(135deg, #F8F7F4 0%, #F5F4F1 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    padding: var(--spacing-xs);
}

/* Data Table - Header & First Column Dark */
.data-table-header-first-dark {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-table-header-first-dark thead {
    background: transparent;
}

.data-table-header-first-dark th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: rgba(255, 255, 255, 0.95);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
    letter-spacing: 0.3px;
    background: linear-gradient(135deg, #34495E 0%, #2C3E50 100%);
}

.data-table-header-first-dark td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: #FFFFFF;
}

.data-table-header-first-dark td:first-child {
    background: linear-gradient(135deg, #3A4A5C 0%, #34495E 100%);
    color: rgba(255, 255, 255, 0.95);
    font-weight: var(--font-weight-medium);
    border-right: 2px solid rgba(255, 255, 255, 0.15);
}

.data-table-header-first-dark tbody tr {
    transition: background-color var(--transition-base);
}

.data-table-header-first-dark tbody tr:hover td {
    background: #F8F9FA;
}

.data-table-header-first-dark tbody tr:hover td:first-child {
    background: linear-gradient(135deg, #4A5A6C 0%, #445564 100%);
}

.data-table-header-first-dark tbody tr:nth-child(even) td {
    background: #FAFBFC;
}

.data-table-header-first-dark tbody tr:nth-child(even) td:first-child {
    background: linear-gradient(135deg, #3E4E5E 0%, #384856 100%);
}

.data-table-header-first-dark tbody tr:nth-child(even):hover td {
    background: #F5F6F7;
}

.data-table-header-first-dark tbody tr:nth-child(even):hover td:first-child {
    background: linear-gradient(135deg, #4E5E6E 0%, #485866 100%);
}

.data-table-header-first-dark tbody tr:last-child td {
    border-bottom: none;
}

.data-table-wrapper-header-first-dark {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    padding: 0;
}

/* Data Table - Header Dark Only */
.data-table-header-dark-only {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-table-header-dark-only thead {
    background: transparent;
}

.data-table-header-dark-only th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: rgba(255, 255, 255, 0.95);
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
    letter-spacing: 0.3px;
    background: linear-gradient(135deg, #34495E 0%, #2C3E50 100%);
}

.data-table-header-dark-only td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: #FFFFFF;
}

.data-table-header-dark-only td:first-child {
    background: linear-gradient(135deg, #F5F4F1 0%, #F0EFEB 100%);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    border-right: 2px solid rgba(0, 0, 0, 0.08);
}

.data-table-header-dark-only tbody tr {
    transition: background-color var(--transition-base);
}

.data-table-header-dark-only tbody tr:hover td {
    background: #FAFBFC;
}

.data-table-header-dark-only tbody tr:hover td:first-child {
    background: linear-gradient(135deg, #F8F7F4 0%, #F3F2EF 100%);
}

.data-table-header-dark-only tbody tr:nth-child(even) td {
    background: #FEFEFE;
}

.data-table-header-dark-only tbody tr:nth-child(even) td:first-child {
    background: linear-gradient(135deg, #F7F6F3 0%, #F2F1ED 100%);
}

.data-table-header-dark-only tbody tr:nth-child(even):hover td {
    background: #F9FAFB;
}

.data-table-header-dark-only tbody tr:nth-child(even):hover td:first-child {
    background: linear-gradient(135deg, #FAF9F6 0%, #F5F4F1 100%);
}

.data-table-header-dark-only tbody tr:last-child td {
    border-bottom: none;
}

.data-table-wrapper-header-dark-only {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    padding: 0;
}

/* Status Badge - 統一デザイン */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    transition: all var(--transition-base);
}

/* プランバッジスタイル */
.status-badge.badge-free {
    background: #ff9800;
    color: white;
    box-shadow: 0 2px 4px rgba(255, 152, 0, 0.3);
}

.status-badge.badge-standard {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(33, 150, 243, 0.4);
}

.status-badge.badge-premium {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
    color: #1a1a1a;
    box-shadow: 0 3px 8px rgba(255, 215, 0, 0.5);
    font-weight: var(--font-weight-semibold);
}

.status-badge.badge-premium i {
    color: #1a1a1a;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* その他のステータスバッジ（後方互換性のため保持） */
.status-badge.visited {
    background: var(--success-bg);
    color: var(--success-color);
}

.status-badge.reserved {
    background: var(--info-bg);
    color: var(--info-color);
}

.status-badge.cancelled {
    background: var(--error-bg);
    color: var(--error-color);
}

.status-badge.paid {
    background: var(--accent-color);
    color: white;
}

.status-badge.free {
    background: #ff9800;
    color: white;
}

/* Filters/Search Bar */
.search-filter-bar {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-xl);
}

.search-input-wrapper {
    position: relative;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 48px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-size-lg);
}

.filter-group {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-family-base);
    background: var(--bg-white);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* ===== C. Marketing Action ===== */

/* Message Editor */
.message-editor {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
}

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

.message-editor-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.message-editor-body {
    min-height: 300px;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-relaxed);
    background: var(--bg-ivory);
    transition: border-color var(--transition-fast);
}

.message-editor-body:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.message-editor-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Campaign Card */
.campaign-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.campaign-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.campaign-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-warm-grey);
}

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

.campaign-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.campaign-card-period {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.campaign-card-status {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.campaign-card-status.active {
    background: var(--success-bg);
    color: var(--success-color);
}

.campaign-card-status.scheduled {
    background: var(--info-bg);
    color: var(--info-color);
}

.campaign-card-status.ended {
    background: var(--bg-warm-grey);
    color: var(--text-muted);
}

/* ===== D. Feedback & Navigation ===== */

/* Toast Notification */
.toast-container {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.toast {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
}

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

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

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

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

.toast-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

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

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

.toast.info .toast-icon {
    color: var(--info-color);
}

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

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.toast-close:hover {
    background: var(--bg-base);
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Sidebar Navigation */
.sidebar-nav {
    background: var(--bg-white);
    border-right: 1px solid var(--border-color);
    min-height: 100vh;
    padding: var(--spacing-lg) 0;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
    border-left: 3px solid transparent;
}

.sidebar-nav-item:hover {
    background: var(--bg-base-alt);
    color: var(--primary-color);
}

.sidebar-nav-item.active {
    background: var(--primary-bg);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

.sidebar-nav-item i {
    width: 20px;
    text-align: center;
    font-size: var(--font-size-lg);
}

.sidebar-nav-label {
    flex: 1;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family-base);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1;
}

/* Button Sizes */
.btn-xs {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-lg);
    gap: var(--spacing-xs);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    gap: var(--spacing-xs);
}

.btn-md {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
    gap: var(--spacing-xs);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
    gap: var(--spacing-sm);
}

.btn-xl {
    padding: var(--spacing-xl) var(--spacing-2xl);
    font-size: var(--font-size-xl);
    border-radius: var(--radius-xl);
    gap: var(--spacing-md);
}

/* Button Fixed Width Sizes (レスポンシブではない固定幅) */
.btn-fixed-xs {
    width: 80px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-lg);
    justify-content: center;
}

.btn-fixed-sm {
    width: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    justify-content: center;
}

.btn-fixed-md {
    width: 160px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
    justify-content: center;
}

.btn-fixed-lg {
    width: 200px;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
    justify-content: center;
}

.btn-fixed-xl {
    width: 280px;
    padding: var(--spacing-xl) var(--spacing-2xl);
    font-size: var(--font-size-xl);
    border-radius: var(--radius-xl);
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--bg-warm-grey);
    border-color: var(--primary-color);
}

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

.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* ===== Typography ===== */
.typography-demo h1 { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); color: var(--text-primary); margin-bottom: var(--spacing-md); }
.typography-demo h2 { font-size: var(--font-size-2xl); font-weight: var(--font-weight-semibold); color: var(--text-primary); margin-bottom: var(--spacing-md); }
.typography-demo h3 { font-size: var(--font-size-xl); font-weight: var(--font-weight-semibold); color: var(--text-primary); margin-bottom: var(--spacing-sm); }
.typography-demo h4 { font-size: var(--font-size-lg); font-weight: var(--font-weight-medium); color: var(--text-primary); margin-bottom: var(--spacing-sm); }
.typography-demo p { font-size: var(--font-size-base); line-height: var(--line-height-relaxed); color: var(--text-primary); margin-bottom: var(--spacing-md); }
.typography-demo .text-small { font-size: var(--font-size-sm); color: var(--text-muted); }
.typography-demo .text-xs { font-size: var(--font-size-xs); color: var(--text-muted); }
.typography-demo .text-number { font-family: var(--font-family-number); font-weight: var(--font-weight-bold); }

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

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    background: var(--bg-white);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: var(--line-height-relaxed);
}

.form-checkbox,
.form-radio {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-checkbox-label,
.form-radio-label {
    display: flex;
    align-items: center;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.form-help-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

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

.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--error-color);
}

/* ===== Alert & Message ===== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.alert-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
}

.alert-success {
    background: var(--success-bg);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: var(--error-bg);
    border-left-color: var(--error-color);
    color: var(--error-color);
}

.alert-warning {
    background: var(--warning-bg);
    border-left-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background: var(--info-bg);
    border-left-color: var(--info-color);
    color: var(--info-color);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ===== Badge & Tag ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    white-space: nowrap;
}

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

.badge-accent {
    background: var(--accent-color);
    color: white;
}

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

.badge-warning {
    background: var(--warning-color);
    color: white;
}

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

.badge-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    background: var(--bg-base);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.tag-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-size-xs);
    padding: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.tag-close:hover {
    background: var(--bg-warm-grey);
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-xl) 0;
}

.pagination-item {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.pagination-item:hover:not(.disabled):not(.active) {
    background: var(--bg-base-alt);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-item.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Modal & Dialog ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

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

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

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-size-xl);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-base);
}

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

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

/* ===== Tabs ===== */
.tabs {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-warm-grey);
    overflow-x: auto;
}

.tabs-item {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tabs-item:hover {
    background: var(--bg-base-alt);
    color: var(--primary-color);
}

.tabs-item.active {
    background: var(--bg-white);
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}

.tabs-content {
    padding: var(--spacing-xl);
}

.tabs-panel {
    display: none;
}

.tabs-panel.active {
    display: block;
}

/* ===== Accordion ===== */
.accordion {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-light);
}

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

.accordion-header {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.accordion-header:hover {
    background: var(--bg-base-alt);
}

.accordion-icon {
    transition: transform var(--transition-base);
    color: var(--primary-color);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.accordion-body {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

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

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    left: 0;
    min-width: 200px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

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

.dropdown-item {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--border-light);
}

.dropdown-item:first-child {
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}

.dropdown-item:last-child {
    border-bottom: none;
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

.dropdown-item:hover {
    background: var(--bg-base-alt);
    color: var(--primary-color);
}

.dropdown-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--spacing-xs) 0;
}

/* ===== Carousel & Slider ===== */
.carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.carousel-container {
    display: flex;
    transition: transform var(--transition-base);
}

.carousel-item {
    min-width: 100%;
    flex-shrink: 0;
}

.carousel-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    background: var(--bg-warm-grey);
}

.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    z-index: 10;
}

.carousel-controls:hover {
    background: var(--bg-white);
    transform: translateY(-50%) scale(1.1);
}

.carousel-controls.prev {
    left: var(--spacing-md);
}

.carousel-controls.next {
    right: var(--spacing-md);
}

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs);
    z-index: 10;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-indicator.active {
    background: white;
    width: 24px;
    border-radius: var(--radius-full);
}

/* ===== Tooltip & Popover ===== */
.tooltip-wrapper {
    position: relative;
    display: inline-block;
}

.tooltip {
    position: absolute;
    bottom: calc(100% + var(--spacing-sm));
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--text-primary);
    color: white;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 1000;
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--text-primary);
}

.tooltip-wrapper:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

.tooltip-top { bottom: calc(100% + var(--spacing-sm)); top: auto; }
.tooltip-bottom { top: calc(100% + var(--spacing-sm)); bottom: auto; }
.tooltip-bottom::after { top: auto; bottom: 100%; border-top-color: transparent; border-bottom-color: var(--text-primary); }
.tooltip-left { left: auto; right: calc(100% + var(--spacing-sm)); top: 50%; transform: translateY(-50%); }
.tooltip-left::after { top: 50%; left: 100%; transform: translateY(-50%); border-top-color: transparent; border-left-color: var(--text-primary); }
.tooltip-right { left: calc(100% + var(--spacing-sm)); right: auto; top: 50%; transform: translateY(-50%); }
.tooltip-right::after { top: 50%; left: auto; right: 100%; transform: translateY(-50%); border-top-color: transparent; border-right-color: var(--text-primary); }

.popover {
    position: absolute;
    bottom: calc(100% + var(--spacing-sm));
    left: 50%;
    transform: translateX(-50%);
    min-width: 200px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 1000;
}

.popover-header {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.popover-body {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: var(--line-height-base);
}

.popover::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--bg-white);
}

.popover-wrapper:hover .popover {
    opacity: 1;
    visibility: visible;
}

/* ===== Gradient Patterns ===== */
.gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.gradient-accent {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
}

.gradient-warm {
    background: linear-gradient(135deg, #FF7F50, #FFA07A, #FFB6C1);
}

.gradient-cool {
    background: linear-gradient(135deg, var(--primary-color), #20B2AA, #48D1CC);
}

.gradient-sunset {
    background: linear-gradient(135deg, #FF6B6B, #FF7F50, #FFA07A);
}

.gradient-ocean {
    background: linear-gradient(135deg, #008B8B, #20B2AA, #48D1CC, #AFEEEE);
}

.gradient-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    color: white;
    text-align: center;
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-md);
}

/* ===== Animations (Organic & Fluid) ===== */

/* Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes zoomInFade {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
        animation-timing-function: var(--ease-smooth);
    }
    50% {
        transform: translateY(-10px);
        animation-timing-function: var(--ease-bounce);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Animation Classes ===== */

/* Fade In Up (Elegant Entry) */
.animate-fade-in-up {
    animation: fadeInUp var(--duration-base) var(--ease-smooth-out) forwards;
    opacity: 0;
}

.animate-fade-in-up-delay-1 {
    animation: fadeInUp var(--duration-base) var(--ease-smooth-out) 0.1s forwards;
    opacity: 0;
}

.animate-fade-in-up-delay-2 {
    animation: fadeInUp var(--duration-base) var(--ease-smooth-out) 0.2s forwards;
    opacity: 0;
}

.animate-fade-in-up-delay-3 {
    animation: fadeInUp var(--duration-base) var(--ease-smooth-out) 0.3s forwards;
    opacity: 0;
}

/* Zoom In Fade (Modal) */
.animate-zoom-in-fade {
    animation: zoomInFade var(--duration-base) var(--ease-smooth) forwards;
}

/* Shimmer (Loading) */
.animate-shimmer {
    background: linear-gradient(
        90deg,
        var(--bg-warm-grey) 0%,
        rgba(255, 255, 255, 0.4) 50%,
        var(--bg-warm-grey) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Pulse */
.animate-pulse {
    animation: pulse 2s var(--ease-smooth) infinite;
}

/* Bounce */
.animate-bounce {
    animation: bounce 1s var(--ease-elastic) infinite;
}

/* Slide In */
.animate-slide-in-right {
    animation: slideInRight var(--duration-base) var(--ease-smooth-out) forwards;
}

.animate-slide-in-left {
    animation: slideInLeft var(--duration-base) var(--ease-smooth-out) forwards;
}

/* ===== Tactile Button (Micro-interaction) ===== */
.btn-tactile {
    transition: transform var(--duration-fast) var(--ease-smooth),
                box-shadow var(--duration-fast) var(--ease-smooth),
                background-color var(--duration-fast) var(--ease-smooth);
    will-change: transform;
}

.btn-tactile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-tactile:active {
    transform: translateY(0) scale(0.98);
    transition: transform 0.1s var(--ease-smooth);
}

/* ===== Elegant Card Entry ===== */
.card-elegant {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-base) var(--ease-smooth-out),
                transform var(--duration-base) var(--ease-smooth-out);
}

.card-elegant.visible {
    opacity: 1;
    transform: translateY(0);
}

.card-elegant-delay-1 {
    transition-delay: 0.1s;
}

.card-elegant-delay-2 {
    transition-delay: 0.2s;
}

.card-elegant-delay-3 {
    transition-delay: 0.3s;
}

.card-elegant-delay-4 {
    transition-delay: 0.4s;
}

/* ===== Shimmer Loading Skeleton ===== */
.skeleton {
    background: var(--bg-warm-grey);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 100%
    );
    animation: shimmer 1.5s infinite;
    transform: translateX(-100%);
}

.skeleton-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
}

.skeleton-line {
    height: 16px;
    background: var(--bg-warm-grey);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.skeleton-line:last-child {
    margin-bottom: 0;
}

.skeleton-line.short {
    width: 60%;
}

.skeleton-line.medium {
    width: 80%;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--bg-warm-grey);
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: var(--bg-warm-grey);
    border-radius: var(--radius-md);
}

/* ===== Glass Modal (Backdrop Blur) ===== */
.modal-overlay {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: rgba(0, 0, 0, 0.4);
}

.modal-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== Hover Lift Effect ===== */
.hover-lift {
    transition: transform var(--duration-base) var(--ease-smooth),
                box-shadow var(--duration-base) var(--ease-smooth);
    will-change: transform;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ===== Scale on Hover ===== */
.hover-scale {
    transition: transform var(--duration-base) var(--ease-smooth);
    will-change: transform;
}

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

/* ===== Rotate on Hover ===== */
.hover-rotate {
    transition: transform var(--duration-base) var(--ease-smooth);
    will-change: transform;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ===== Fade In on Scroll (Intersection Observer用) ===== */
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slow) var(--ease-smooth-out),
                transform var(--duration-slow) var(--ease-smooth-out);
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Stagger Animation (複数要素の順次表示) ===== */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-base) var(--ease-smooth-out),
                transform var(--duration-base) var(--ease-smooth-out);
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-item:nth-child(1) { transition-delay: 0.05s; }
.stagger-item:nth-child(2) { transition-delay: 0.1s; }
.stagger-item:nth-child(3) { transition-delay: 0.15s; }
.stagger-item:nth-child(4) { transition-delay: 0.2s; }
.stagger-item:nth-child(5) { transition-delay: 0.25s; }
.stagger-item:nth-child(6) { transition-delay: 0.3s; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .kpi-card {
        padding: var(--spacing-lg);
    }
    
    .kpi-card-value {
        font-size: var(--font-size-2xl);
    }
    
    .data-table-wrapper {
        overflow-x: auto;
    }
    
    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        max-width: none;
    }
    
    .modal {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .tabs-header {
        overflow-x: auto;
    }
    
    .carousel-controls {
        width: 36px;
        height: 36px;
        font-size: var(--font-size-base);
    }
}

/* ===== AI Credit Badge ===== */
.ai-credit-badge {
    background: var(--bg-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: 1px solid var(--border-light);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.ai-credit-badge i {
    color: #f1c40f;
    font-size: var(--font-size-base);
}

.ai-credit-badge-value {
    color: var(--text-primary);
}

.ai-credit-badge-value.empty {
    color: var(--error-color);
}

.ai-credit-mini-bar {
    width: 50px;
    height: 6px;
    background: var(--bg-base);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.ai-credit-mini-bar-fill {
    height: 100%;
    background: var(--success-color);
    transition: width var(--transition-base), background-color var(--transition-base);
}

.ai-credit-mini-bar-fill.empty {
    background: var(--error-color);
}

/* ===== Toggle Button ===== */
.toggle-button {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
    background: var(--bg-base);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-base);
    border: none;
    outline: none;
}

.toggle-button.active {
    background: var(--primary-color);
}

.toggle-button-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: var(--radius-full);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.toggle-button.active .toggle-button-slider {
    transform: translateX(24px);
}

.toggle-button-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
}

/* Toggle Button Sizes */
.toggle-button-sm {
    width: 40px;
    height: 22px;
}

.toggle-button-sm .toggle-button-slider {
    width: 16px;
    height: 16px;
    top: 3px;
    left: 3px;
}

.toggle-button-sm.active .toggle-button-slider {
    transform: translateX(18px);
}

.toggle-button-lg {
    width: 60px;
    height: 32px;
}

.toggle-button-lg .toggle-button-slider {
    width: 26px;
    height: 26px;
    top: 3px;
    left: 3px;
}

.toggle-button-lg.active .toggle-button-slider {
    transform: translateX(28px);
}

/* ===== AI Button (Instagram Style) ===== */
.btn-ai {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-base);
    box-shadow: 0 2px 8px rgba(188, 24, 136, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-ai::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-ai:hover::before {
    left: 100%;
}

.btn-ai:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(188, 24, 136, 0.4);
}

.btn-ai:active {
    transform: translateY(0);
}

.btn-ai i {
    font-size: var(--font-size-lg);
}

.btn-ai:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* AI Button Variants */
.btn-ai-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-ai-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ===== Message Design Variants ===== */
.message-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-md);
}

.message-card-bordered {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.message-card-gradient {
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--accent-bg) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-soft);
    margin-bottom: var(--spacing-md);
}

.message-card-soft {
    background: var(--bg-warm-grey);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: none;
    box-shadow: none;
    margin-bottom: var(--spacing-md);
}

.message-card-icon {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.message-card-icon i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.message-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.message-card-content {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Message Card - Bright & Eye-catching Variants */
.message-card-bright {
    background: linear-gradient(135deg, #FFE082 0%, #FFD54F 50%, #FFC107 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 193, 7, 0.3);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.2);
    margin-bottom: var(--spacing-md);
}

.message-card-bright .message-card-title {
    color: #E65100;
}

.message-card-bright .message-card-content {
    color: #F57C00;
}

.message-card-neon {
    background: linear-gradient(135deg, #FF6B9D 0%, #C44569 50%, #F8B500 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.4), 0 0 30px rgba(255, 107, 157, 0.2);
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.message-card-neon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: neon-shine 3s infinite;
}

@keyframes neon-shine {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.message-card-neon .message-card-title {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.message-card-neon .message-card-content {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.message-card-sunset {
    background: linear-gradient(135deg, #FF9A56 0%, #FF6A88 50%, #FF8C94 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: none;
    box-shadow: 0 6px 20px rgba(255, 106, 136, 0.3);
    margin-bottom: var(--spacing-md);
}

.message-card-sunset .message-card-title {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.message-card-sunset .message-card-content {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.message-card-glow {
    background: linear-gradient(135deg, #A8E6CF 0%, #88D8A3 50%, #4ECDC4 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 16px rgba(78, 205, 196, 0.3), 0 0 40px rgba(78, 205, 196, 0.1);
    margin-bottom: var(--spacing-md);
}

.message-card-glow .message-card-title {
    color: #00695C;
}

.message-card-glow .message-card-content {
    color: #00796B;
}