@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --sidebar-width: 268px;
    --topbar-height: 68px;
    --color-bg-light: #f0f4ff;
    --color-white-light: #ffffff;
    --color-border-light: #dde3f0;
    --color-text-light: #0d1b3e;
    --color-muted-light: #5a6a8a;
    --color-bg: #080e1f;
    --color-white: #0f1c38;
    --color-border: #1e2d52;
    --color-text: #e8eeff;
    --color-muted: #7a8fb5;
    --color-accent: #4f8ef7;
    --color-accent2: #a855f7;
    --color-accent-light: rgba(79, 142, 247, 0.12);
    --color-accent-hover: #3b7de8;
    --color-danger: #f04060;
    --color-danger-light: rgba(240, 64, 96, 0.1);
    --color-success: #10d9a0;
    --color-success-light: rgba(16, 217, 160, 0.1);
    --color-warning: #f5a623;
    --color-warning-light: rgba(245, 166, 35, 0.1);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(79, 142, 247, 0.15);
    --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    --glass: rgba(15, 28, 56, 0.7);
    --glass-border: rgba(79, 142, 247, 0.18);
}

[data-theme="light"] {
    --color-bg: var(--color-bg-light);
    --color-white: var(--color-white-light);
    --color-border: var(--color-border-light);
    --color-text: var(--color-text-light);
    --color-muted: var(--color-muted-light);
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(79, 142, 247, 0.2);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.12);
}

html {
    font-family: 'Outfit', system-ui, sans-serif;
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
}

body {
    transition: background-color var(--transition), color var(--transition);
}

a { color: inherit; text-decoration: none; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-muted); }

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 300;
    transition: transform var(--transition), background var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 10px; }

.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 20px;
    border-bottom: 1px solid var(--glass-border);
    flex-shrink: 0;
    gap: 8px;
}

.sidebar-brand-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.sidebar-brand svg { color: var(--color-accent); flex-shrink: 0; }

.sidebar-brand-name {
    font-weight: 800;
    font-size: 1.05rem;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-brand-sub {
    font-size: 0.7rem;
    color: var(--color-muted);
    font-weight: 400;
    margin-top: 1px;
}

.sidebar-brand-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    padding: 7px;
    border-radius: var(--radius-xs);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-muted);
    padding: 7px;
    border-radius: var(--radius-xs);
    transition: all var(--transition);
}

.sidebar-close:hover {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.sidebar-nav {
    flex: 1;
    padding: 14px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-muted);
    padding: 14px 12px 6px;
    opacity: 0.7;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 13px;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-muted);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    text-decoration: none;
    position: relative;
    letter-spacing: 0.01em;
}

.sidebar-link svg { flex-shrink: 0; transition: all var(--transition); }

.sidebar-link:hover {
    background: var(--color-accent-light);
    color: var(--color-text);
    transform: translateX(3px);
}

.sidebar-link.active {
    background: linear-gradient(135deg, var(--color-accent-light), rgba(168, 85, 247, 0.08));
    color: var(--color-accent);
    font-weight: 600;
    border-left: 2px solid var(--color-accent);
}

.sidebar-link.active svg { color: var(--color-accent); }

.sidebar-link.danger { color: var(--color-danger); }
.sidebar-link.danger:hover { background: var(--color-danger-light); transform: translateX(3px); }

.has-sublink .sublink-toggle {
    margin-left: auto;
    transition: transform var(--transition);
    opacity: 0.6;
}

.has-sublink.open .sublink-toggle { transform: rotate(90deg); }

.sublinks-container {
    display: none;
    flex-direction: column;
    gap: 1px;
    padding-left: 32px;
    padding-right: 4px;
    margin-top: 2px;
    margin-bottom: 4px;
    animation: slideDown 0.25s ease forwards;
}

.sublinks-container.show { display: flex; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.sublink-item {
    display: flex;
    align-items: center;
    padding: 8px 11px;
    font-size: 0.84rem;
    color: var(--color-muted);
    border-radius: var(--radius-xs);
    transition: all var(--transition);
    text-decoration: none;
    border-left: 1px solid transparent;
}

.sublink-item:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
    border-left-color: var(--color-accent);
    transform: translateX(3px);
}

.sublink-item.active {
    color: var(--color-accent);
    font-weight: 600;
    border-left-color: var(--color-accent);
    background: var(--color-accent-light);
}

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--glass-border);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 290;
    opacity: 0;
    transition: opacity var(--transition);
}

.sidebar-overlay.active { opacity: 1; }

.main-wrap {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition);
}

.topbar {
    height: var(--topbar-height);
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 14px;
    position: sticky;
    top: 0;
    z-index: 200;
    transition: background var(--transition), border-color var(--transition);
}

.topbar-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    padding: 9px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.topbar-menu-btn.visible,
.topbar-menu-btn[style*="flex"] {
    align-items: center;
    justify-content: center;
}

.topbar-menu-btn:hover { background: var(--color-accent-light); color: var(--color-accent); }

.topbar-title {
    font-size: 1.1rem;
    font-weight: 700;
    flex: 1;
    background: linear-gradient(90deg, var(--color-text), var(--color-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-content {
    flex: 1;
    padding: 32px;
    max-width: 1080px;
    width: 100%;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 32px;
    animation: fadeIn 0.5s ease;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-title svg { color: var(--color-accent); }

.page-subtitle {
    font-size: 0.92rem;
    color: var(--color-muted);
    margin-top: 8px;
}

.card {
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    margin-bottom: 22px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    animation: fadeInUp 0.45s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(79, 142, 247, 0.3);
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.93rem;
    color: var(--color-text);
    background: rgba(8, 14, 31, 0.5);
    transition: all var(--transition);
    outline: none;
    resize: none;
}

[data-theme="light"] .form-control {
    background: rgba(240, 244, 255, 0.6);
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
    background: var(--color-white);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.93rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), #6c4ff8);
    color: #fff;
    box-shadow: 0 4px 16px rgba(79, 142, 247, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover), #5a3ee8);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 142, 247, 0.45);
}

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

.btn-ghost:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

th {
    padding: 13px 15px;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    background: rgba(79, 142, 247, 0.04);
}

td {
    padding: 13px 15px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    transition: background-color var(--transition);
}

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

tbody tr:hover td { background: var(--color-accent-light); }

.file-upload-wrap {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    background: rgba(79, 142, 247, 0.03);
}

.file-upload-wrap:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.file-upload-wrap input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-active { background: var(--color-success-light); color: var(--color-success); }
.status-pending { background: var(--color-warning-light); color: var(--color-warning); }
.status-banned { background: var(--color-danger-light); color: var(--color-danger); }

.table-responsive {
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.table-responsive table { min-width: 500px; }

td img, th img {
    max-width: 48px;
    max-height: 48px;
    object-fit: cover;
    border-radius: var(--radius-xs);
}

.input-icon-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon-wrap svg {
    position: absolute;
    left: 14px;
    color: var(--color-muted);
    pointer-events: none;
}

.input-icon-wrap .form-control { padding-left: 44px; }

.login-root {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--color-bg);
    background-image: radial-gradient(ellipse at 20% 50%, rgba(79, 142, 247, 0.08) 0%, transparent 60%),
                      radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.06) 0%, transparent 60%);
}

.login-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 44px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-md), var(--shadow-glow);
    animation: fadeInUp 0.5s ease;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    color: var(--color-accent);
}

.login-logo-name {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
    text-align: center;
}

.login-sub {
    font-size: 0.92rem;
    color: var(--color-muted);
    margin-bottom: 32px;
    text-align: center;
}

.login-error {
    background: var(--color-danger-light);
    color: var(--color-danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(240, 64, 96, 0.25);
}

.signup-root {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--color-bg);
    background-image: radial-gradient(ellipse at 20% 50%, rgba(79, 142, 247, 0.08) 0%, transparent 60%),
                      radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.06) 0%, transparent 60%);
}

.signup-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 44px;
    width: 100%;
    max-width: 620px;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease;
}

.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 36px;
    position: relative;
}

.step-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-border);
    z-index: 1;
    transform: translateY(-50%);
}

.step-dot {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-muted);
    position: relative;
    z-index: 2;
    transition: all var(--transition);
    font-size: 0.85rem;
}

.step-dot.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
    box-shadow: 0 0 0 4px var(--color-accent-light);
}

.step-dot.completed {
    background: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}

.step-content { animation: fadeIn 0.35s ease; }

.step-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-text);
}

.btn-group { display: flex; gap: 14px; margin-top: 28px; }

input[type="file"]::file-selector-button {
    background: linear-gradient(135deg, var(--color-accent), #6c4ff8);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    margin-right: 12px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    transition: opacity 0.2s;
}

input[type="file"]::file-selector-button:hover { opacity: 0.85; }

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 992px) {
    .recent-section { grid-template-columns: 1fr !important; }
}

@media (max-width: 900px) {
    .page-content { padding: 24px 20px; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: min(var(--sidebar-width), 85vw);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-close {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .sidebar-overlay { display: block; }
    .main-wrap { margin-left: 0; }
    .topbar-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .page-content { padding: 20px 16px; }
    .form-row { grid-template-columns: 1fr; gap: 16px; }
    .btn-group { flex-direction: column; }
    .login-card, .signup-card { padding: 28px 20px; }
    .topbar { padding: 0 16px; gap: 10px; }
}

@media (max-width: 480px) {
    .page-title { font-size: 1.4rem; }
    .card { padding: 20px 16px; }
}