@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #0c0f17;
    --bg-card: #151a26;
    --bg-card-hover: #1c2233;
    --bg-subtle: #1e2436;
    --border-color: #262e42;
    --primary: #10b981;
    --primary-gradient: linear-gradient(135deg, #10b981, #059669);
    --primary-glow: rgba(16, 185, 129, 0.25);
    --danger: #f43f5e;
    --warning: #f59e0b;
    --info: #3b82f6;
    --purple: #8b5cf6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --bottom-nav-height: 65px;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 10px; }

/* Wrapper Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Desktop */
.sidebar {
    width: 250px;
    background: #111522;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    padding: 24px 16px;
}

.sidebar .brand {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 12px 24px 12px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.sidebar a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    margin-bottom: 4px;
}

.sidebar a:hover {
    color: #fff;
    background: var(--bg-subtle);
}

.sidebar a.active {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Mobile App Header */
.mobile-app-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(17, 21, 34, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 20px;
    justify-content: space-between;
    align-items: center;
}

.mobile-app-header .app-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

/* Mobile Bottom Navigation Bar (App Tabs) */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: var(--bottom-nav-height);
    background: rgba(17, 21, 34, 0.92);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
    padding: 0 10px;
}

.bottom-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    gap: 4px;
}

.bottom-tab svg, .bottom-tab .tab-icon {
    font-size: 18px;
    line-height: 1;
}

.bottom-tab.active {
    color: var(--primary);
    transform: translateY(-2px);
}

.bottom-tab.active .tab-icon {
    filter: drop-shadow(0 2px 8px var(--primary));
}

/* Content Area */
.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.content {
    flex: 1;
    padding: 30px;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* Modern Card */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    margin-bottom: 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.page-title {
    font-size: 20px;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Buttons */
.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary:active {
    transform: scale(0.96);
}

.btn-icon {
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.15s;
}

.btn-icon:active {
    transform: scale(0.92);
}

/* Mobile-First Item Cards (Feed Style) */
.item-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.item-card {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: all 0.2s ease;
}

.item-card:hover {
    border-color: rgba(16, 185, 129, 0.4);
    background: var(--bg-card-hover);
}

.item-card .item-info {
    flex: 1;
    min-width: 0;
}

.item-card .item-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 4px 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.item-card .item-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.item-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    background: #232936;
    border: 1px solid #333d4e;
    color: #e2e8f0;
}

.badge-afk {
    background: rgba(244, 63, 94, 0.15);
    color: #fb7185;
    border-color: rgba(244, 63, 94, 0.3);
}

.badge-group {
    background: rgba(139, 92, 246, 0.15);
    color: #c084fc;
    border-color: rgba(139, 92, 246, 0.3);
}

/* Stats App Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-box {
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.stat-box h4 {
    margin: 0 0 8px 0;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-box .stat-val {
    font-size: 26px;
    font-weight: 800;
    margin: 0;
}

/* Modals */
.modal-backdrop {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 16px;
}

.modal-content {
    background: #181d2a;
    padding: 24px;
    border-radius: var(--radius-lg);
    width: 440px;
    max-width: 100%;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    max-height: 90vh;
    overflow-y: auto;
}

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-group input, .form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #0f131c;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: all 0.2s;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.custom-checkbox-label {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    cursor: pointer !important;
    user-select: none;
    margin: 0 !important;
}

.custom-checkbox-label input[type="checkbox"] {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    accent-color: var(--primary);
    cursor: pointer;
    margin: 0 !important;
}

.error-msg {
    color: #fb7185;
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.2);
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
}

/* Mobile Screen Breakpoints */
@media (max-width: 850px) {
    .sidebar {
        display: none;
    }

    .mobile-app-header {
        display: flex;
    }

    .mobile-bottom-nav {
        display: flex;
    }

    .content {
        padding: 16px;
        padding-bottom: calc(var(--bottom-nav-height) + 25px); /* Alt bar için boşluk */
    }

    .card {
        padding: 18px;
        border-radius: var(--radius-md);
        margin-bottom: 16px;
    }

    .item-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .item-actions {
        width: 100%;
        justify-content: flex-end;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding-top: 10px;
    }

    .item-actions form, .item-actions button {
        flex: 1;
    }

    .item-actions .btn-icon {
        width: 100%;
        padding: 9px 0;
    }
}