/* ===========================
   Dashboard Styles
   =========================== */

.dashboard {
    display: flex;
    min-height: 100vh;
    background: var(--bg-secondary);
}

/* ===========================
   Dashboard Sidebar (specific)
   =========================== */
/* NOTE: .dashboard-sidebar は実際のHTMLでは使用されていません
   実際には .sidebar クラスが使用されているため、以下はレガシーコードです
   sidebar-responsive-fix.css で統一された260px幅が適用されます */
/*
.dashboard-sidebar {
    width: 250px;
    background: white;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
}
*/

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

.sidebar-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-sm);
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-lg) 0;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    transition: var(--transition-base);
    position: relative;
}

.sidebar-link:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.sidebar-link.active {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
}

.sidebar-link .badge {
    margin-left: auto;
    background: var(--accent-color);
    color: white;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.sidebar-footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-color);
}

/* ===========================
   Main Content
   =========================== */
.main-content {
    flex: 1;
    padding: var(--space-xl);
    overflow-y: auto;
}

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.header-left h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

/* Notification styles moved to notifications.css */

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.user-menu-btn:hover {
    background: var(--bg-secondary);
}

.user-menu-btn img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-sm);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    display: none;
}

.user-dropdown.show {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    transition: var(--transition-base);
}

.user-dropdown a:hover {
    background: var(--bg-secondary);
}

.user-dropdown hr {
    margin: 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

/* ===========================
   Statistics Cards
   =========================== */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.stat-change {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
}

.stat-change.positive {
    color: var(--secondary-color);
}

.stat-change.negative {
    color: #ef4444;
}

/* Referral Card */
.stat-card.referral-card {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    color: #334155;
}

.referral-card .stat-icon {
    background: rgba(100, 116, 139, 0.1);
    color: #475569;
}

.referral-card .stat-value,
.referral-card .stat-label {
    color: #334155;
}

.stat-action {
    margin-top: 1rem;
}

.btn-primary-small {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #64748b;
    border: 1px solid #64748b;
    color: white;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary-small:hover {
    background: #475569;
    border-color: #475569;
    transform: translateY(-1px);
}

/* ===========================
   Content Grid
   =========================== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-lg);
}

.content-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

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

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

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.activity-item {
    display: flex;
    gap: var(--space-md);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-content p {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.activity-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Event List */
.event-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.event-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.event-date {
    text-align: center;
    flex-shrink: 0;
    background: var(--bg-secondary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    min-width: 80px;
}

.event-date .date {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    display: block;
}

.event-date .month {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: block;
    margin-top: var(--space-xs);
    font-weight: 500;
}

.event-date .year {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    display: block;
    margin-top: var(--space-xs);
    opacity: 0.7;
}

.event-details {
    flex: 1;
}

.event-details h4 {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.event-details p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

/* Buttons */
.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 500;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

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

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

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

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

/* ===========================
   Responsive
   =========================== */
@media (max-width: 991px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: 260px;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 400;
    }
    
    .sidebar.show,
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .user-menu-btn span {
        display: none;
    }
}