/* ========== Mobile First Responsive Design ========== */

/* Default Desktop Styles (Inherits from main.css/view-modes.css) */
/* Reset any mobile-specific overrides that might bleed out */
.mobile-menu-btn {
    display: none;
}

.sidebar-overlay {
    display: none;
}

/* Desktop: Hide mobile-only elements */
.admin-bottom-nav {
    display: none !important;
}

.stats-hub {
    display: none !important;
}

/* Count badge only visible on mobile */
.event-count-badge {
    display: none !important;
}

/* Desktop: hide pull-to-refresh */
.pull-to-refresh {
    display: none;
}

/* Touch-friendly improvements (Global but mostly useful for mobile/tablet) */
.btn {
    min-height: 44px;
}

.btn-icon {
    min-width: 44px;
    min-height: 44px;
}

/* ========== Tablet (768px - 1024px) ========== */
@media (max-width: 1024px) {
    .admin-sidebar {
        width: 200px;
    }

    .admin-main {
        padding: var(--spacing-md);
    }
}

/* ========== Mobile (max-width: 768px) ========== */
@media (max-width: 768px) {

    /* ===== Pull-to-Refresh ===== */
    .pull-to-refresh {
        display: flex;
        position: fixed;
        top: 0;
        left: 50%;
        transform: translateX(-50%) translateY(-60px);
        z-index: 9999;
        align-items: center;
        gap: 8px;
        padding: 8px 20px;
        background: rgba(18, 20, 28, 0.85);
        border-radius: 24px;
        opacity: 0;
        transition: transform 0.2s ease, opacity 0.2s ease;
        pointer-events: none;
    }

    @supports (backdrop-filter: blur(1px)) {
        .pull-to-refresh {
            background: rgba(18, 20, 28, 0.6);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
    }

    [data-theme="light"] .pull-to-refresh {
        background: rgba(255, 255, 255, 0.9);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    }

    .pull-to-refresh.visible {
        pointer-events: auto;
    }

    .ptr-spinner {
        width: 18px;
        height: 18px;
        border: 2.5px solid rgba(255, 255, 255, 0.2);
        border-top-color: var(--primary);
        border-radius: 50%;
    }

    [data-theme="light"] .ptr-spinner {
        border-color: rgba(0, 0, 0, 0.1);
        border-top-color: var(--primary);
    }

    .pull-to-refresh.refreshing .ptr-spinner {
        animation: ptr-spin 0.6s linear infinite;
    }

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

    .ptr-text {
        color: rgba(255, 255, 255, 0.85);
        font-size: 0.75rem;
        font-weight: 600;
        font-family: 'Inter', system-ui, sans-serif;
    }

    [data-theme="light"] .ptr-text {
        color: rgba(0, 0, 0, 0.65);
    }

    /* Mobilde okunabilirlik için font-size artır */
    html {
        font-size: 14px;
    }

    /* iOS Safari auto-zoom engelleme (16px altı input'larda zoom yapıyor) */
    input,
    select,
    textarea {
        font-size: 16px !important;
    }

    /* Full viewport height fix for mobile browsers */
    html,
    body {
        height: 100%;
        overflow-x: hidden;
    }

    body {
        min-height: 100vh;
        min-height: -webkit-fill-available;
    }

    /* iPhone notch/home bar safe area desteği */
    .navbar {
        padding-top: env(safe-area-inset-top, 0);
        padding-left: env(safe-area-inset-left, 0);
        padding-right: env(safe-area-inset-right, 0);
    }

    .modal-content {
        padding-bottom: env(safe-area-inset-bottom, 0);
    }

    /* Show hamburger menu */
    .mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-primary);
        font-size: 1.25rem;
        cursor: pointer;
        flex-shrink: 0;
    }

    /* Transform Sidebar into Sliding Menu */
    .admin-sidebar {
        position: fixed !important;
        display: block !important;
        visibility: visible !important;
        left: -280px !important;
        top: 0 !important;
        width: 75vw !important;
        max-width: 280px !important;
        height: 100vh !important;
        height: 100dvh !important;
        z-index: 10000 !important;
        background: var(--bg-secondary) !important;
        border-right: 1px solid var(--border-color) !important;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        padding: var(--spacing-md) !important;
        margin: 0 !important;
    }

    .admin-sidebar.mobile-open {
        left: 0 !important;
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5) !important;
    }

    /* User sidebar - also use slide-in on mobile */
    #userSidebar {
        position: fixed !important;
        display: block !important;
        visibility: visible !important;
        left: -280px !important;
        top: 0 !important;
        width: 75vw !important;
        max-width: 280px !important;
        height: 100vh !important;
        height: 100dvh !important;
        z-index: 10000 !important;
        background: var(--bg-secondary) !important;
        border-right: 1px solid var(--border-color) !important;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        padding: var(--spacing-md) !important;
        margin: 0 !important;
    }

    #userSidebar.mobile-open {
        left: 0 !important;
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5) !important;
    }

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.7);
        z-index: 9999;
        display: none;
        backdrop-filter: blur(2px);
    }

    .sidebar-overlay.active {
        display: block;
    }

    /* Layout Adjustments */
    .admin-layout {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-sm) !important;
        padding: var(--spacing-sm) !important;
    }

    .admin-main {
        padding: var(--spacing-sm);
    }

    .navbar {
        padding: var(--spacing-xs) var(--spacing-sm);
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: var(--spacing-xs);
    }

    .navbar-left,
    .navbar-right {
        gap: var(--spacing-xs);
    }

    .user-label {
        display: none;
    }

    /* Fluid font sizes */
    .nav-brand {
        font-size: clamp(0.9rem, 3vw, 1.1rem);
    }

    /* Calendar Grid Adjustments */
    .calendar-grid {
        gap: 1px;
    }

    .calendar-day {
        min-height: 45px;
        padding: 3px;
    }

    .day-number {
        font-size: clamp(0.7rem, 2.5vw, 0.9rem);
    }

    .has-events::after {
        content: '';
        display: block;
        width: 5px;
        height: 5px;
        background: var(--primary);
        border-radius: 50%;
        margin: 2px auto;
    }

    .event-badge {
        display: none;
        /* Hide text badges on mobile, rely on count badge */
    }

    /* Event count badge on calendar day */
    .calendar-day .day-events {
        display: flex;
        justify-content: center;
        margin-top: 2px;
    }

    .calendar-day .event-count-badge {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        min-width: 18px;
        height: 18px;
        background: var(--primary);
        color: white;
        border-radius: 9px;
        font-size: 0.65rem;
        font-weight: 700;
        padding: 0 4px;
        line-height: 1;
    }

    /* Haftalık görünüm — dikey yığın (kaydırmasız) */
    .weekly-view {
        grid-template-columns: 1fr !important;
        display: flex !important;
        flex-direction: column;
        overflow-x: hidden;
        gap: 12px;
        padding-bottom: 8px;
    }

    .weekly-day-column {
        min-width: 0;
        max-width: 100%;
        flex-shrink: 0;
        border-radius: var(--radius-lg);
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    }

    .weekly-day-header {
        padding: 12px;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .weekly-day-header .day-number {
        font-size: 1.8rem;
    }

    .weekly-event-item {
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--radius-md);
    }

    /* Event row card layout on mobile */
    .event-row {
        grid-template-columns: 1fr !important;
        gap: 4px;
        padding: var(--spacing-sm);
    }

    .event-row .event-actions {
        justify-content: flex-start;
    }

    /* Admin grid overflow protection */
    .admin-calendar-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Table overflow protection */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Period label - prevent horizontal overflow */
    .period-label {
        min-width: auto !important;
        font-size: 0.9rem;
    }

    /* User layout single column */
    .main-content.admin-layout {
        grid-template-columns: 1fr !important;
    }

    /* Modal Adjustments - Full screen on mobile */
    .modal-content {
        width: 100% !important;
        max-width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important;
        max-height: 100vh !important;
        max-height: 100dvh !important;
        border-radius: 0 !important;
        margin: 0 !important;
    }

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

    .form-row {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-sm);
    }

    /* Table responsive */
    .data-table {
        font-size: 0.85rem;
    }

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

    /* View mode buttons */
    .admin-view-btn {
        padding: var(--spacing-xs) var(--spacing-sm) !important;
        font-size: clamp(0.7rem, 2.5vw, 0.85rem) !important;
    }

    /* Login card */
    .login-card {
        width: 95%;
        padding: var(--spacing-lg);
    }

    /* ========== Premium Admin Mobile UI ========== */

    /* Bottom Navigation Bar — Glassmorphism with Android 9 fallback */
    .admin-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 68px;
        /* Fallback: solid background for Android 9 / older browsers */
        background: rgb(18, 20, 28);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        display: flex !important;
        justify-content: space-around;
        align-items: center;
        z-index: 1000;
        padding: 0 8px;
        padding-bottom: env(safe-area-inset-bottom, 0);
        box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.15);
    }

    /* Glassmorphism — only when supported */
    @supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
        .admin-bottom-nav {
            background: rgba(18, 20, 28, 0.75);
            backdrop-filter: blur(24px) saturate(180%);
            -webkit-backdrop-filter: blur(24px) saturate(180%);
        }
    }

    [data-theme="light"] .admin-bottom-nav {
        background: rgb(245, 245, 248);
        border-top: 1px solid rgba(0, 0, 0, 0.06);
        box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.06);
    }

    @supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
        [data-theme="light"] .admin-bottom-nav {
            background: rgba(255, 255, 255, 0.72);
        }
    }

    /* Nav Items */
    .admin-bottom-nav .nav-item {
        position: relative;
        background: none;
        border: none;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        color: rgba(255, 255, 255, 0.45);
        font-size: 0.65rem;
        font-weight: 600;
        letter-spacing: 0.02em;
        padding: 8px 4px 6px;
        flex: 1;
        cursor: pointer;
        transition: color 0.3s ease, transform 0.2s ease;
        -webkit-tap-highlight-color: transparent;
    }

    [data-theme="light"] .admin-bottom-nav .nav-item {
        color: rgba(0, 0, 0, 0.38);
    }

    /* SVG Icon Sizing */
    .admin-bottom-nav .nav-icon {
        width: 22px;
        height: 22px;
        transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
            stroke 0.3s ease,
            filter 0.3s ease;
    }

    /* Active State */
    .admin-bottom-nav .nav-item.active {
        color: var(--primary);
    }

    [data-theme="light"] .admin-bottom-nav .nav-item.active {
        color: var(--primary);
    }

    .admin-bottom-nav .nav-item.active .nav-icon {
        transform: translateY(-1px) scale(1.1);
        filter: drop-shadow(0 2px 6px hsla(210, 100%, 55%, 0.35));
    }

    /* Active Indicator Dot */
    .nav-indicator {
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%) scaleX(0);
        width: 16px;
        height: 3px;
        background: var(--primary);
        border-radius: 3px;
        transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    .admin-bottom-nav .nav-item.active .nav-indicator {
        transform: translateX(-50%) scaleX(1);
    }

    /* Nav Label */
    .admin-bottom-nav .nav-label {
        font-family: 'Inter', system-ui, sans-serif;
        font-size: 0.6rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        opacity: 0.85;
        transition: opacity 0.3s ease;
    }

    .admin-bottom-nav .nav-item.active .nav-label {
        opacity: 1;
    }

    /* Hover / Touch feedback */
    .admin-bottom-nav .nav-item:active {
        transform: scale(0.92);
    }

    /* ===== Floating Action Button (FAB) ===== */
    .admin-bottom-nav .nav-item-fab {
        position: relative;
        width: 52px;
        height: 52px;
        min-width: 52px;
        flex: 0 0 52px;
        background: linear-gradient(135deg, hsl(210, 100%, 55%), hsl(230, 100%, 60%));
        color: white !important;
        border-radius: 50%;
        margin-top: -28px;
        box-shadow: 0 4px 20px hsla(220, 100%, 55%, 0.45),
            0 0 0 4px rgba(18, 20, 28, 0.75);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
            box-shadow 0.3s ease;
    }

    [data-theme="light"] .admin-bottom-nav .nav-item-fab {
        box-shadow: 0 4px 20px hsla(220, 100%, 55%, 0.35),
            0 0 0 4px rgba(255, 255, 255, 0.72);
    }

    .admin-bottom-nav .nav-item-fab .nav-icon {
        width: 24px;
        height: 24px;
        stroke: white;
        filter: none;
        transform: none;
    }

    .admin-bottom-nav .nav-item-fab:active {
        transform: scale(0.88) rotate(90deg);
        box-shadow: 0 2px 12px hsla(220, 100%, 55%, 0.5),
            0 0 0 3px rgba(18, 20, 28, 0.75);
    }

    /* Content padding for bottom bar */
    .admin-main {
        padding-bottom: 85px !important;
    }

    /* Modern Event Cards */
    .event-row:not(.event-row-header) {
        grid-template-columns: 1fr !important;
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        padding: 16px;
        gap: 8px;
        position: relative;
        border-left: 4px solid var(--primary);
        /* Renk vurgusu */
    }

    .event-row:not(.event-row-header) div:first-child {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 4px;
    }

    .event-row:not(.event-row-header) div:nth-child(2),
    .event-row:not(.event-row-header) div:nth-child(3),
    .event-row:not(.event-row-header) div:nth-child(4),
    .event-row:not(.event-row-header) div:nth-child(5) {
        font-size: 0.9rem;
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .event-row:not(.event-row-header) div:nth-child(2)::before {
        content: '🏢';
        font-size: 0.8rem;
        opacity: 0.7;
    }

    .event-row:not(.event-row-header) div:nth-child(3)::before {
        content: '📅';
        font-size: 0.8rem;
        opacity: 0.7;
    }

    .event-row:not(.event-row-header) div:nth-child(4)::before {
        content: '⏱️';
        font-size: 0.8rem;
        opacity: 0.7;
    }

    .event-row:not(.event-row-header) div:nth-child(5)::before {
        content: '👤';
        font-size: 0.8rem;
        opacity: 0.7;
    }

    /* Stats Hub Mobile Grid */
    .stats-hub {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        margin-bottom: 24px !important;
    }

    .stat-card {
        padding: 16px !important;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        background: var(--bg-secondary) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: var(--radius-md) !important;
    }

    .stat-value {
        font-size: 1.5rem !important;
        margin: 4px 0 !important;
    }

    /* Hide redundant elements */
    .admin-sidebar:not(.mobile-open) {
        display: none !important;
    }

    .event-search-bar {
        border-radius: 12px;
        margin-bottom: 16px;
    }

    /* Charts grid — single column on mobile */
    .charts-grid {
        grid-template-columns: 1fr !important;
    }

}

/* Landscape Mobile Adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .modal-content {
        height: auto !important;
        max-height: 95vh !important;
    }

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

    .login-card h1 {
        font-size: 1.2rem;
        margin-bottom: var(--spacing-xs);
    }
}