:root {
    --bg-main: #050505;
    --bg-card: rgba(20, 20, 23, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-light: rgba(255, 255, 255, 0.22);
    --text-primary: #ECECEC;
    --text-secondary: #A1A1AA;
    --accent-primary: #00F0FF;
    --accent-secondary: #7000FF;
    --success: #00FF94;
    --warning: #FF9F0A;
    --danger: #FF453A;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: 'SF Mono', 'Roboto Mono', 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    --ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
    --glass-border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; outline: none; -webkit-tap-highlight-color: transparent; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

body {
    margin: 0;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-main);
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(112, 0, 255, 0.15), transparent 35%),
        radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.15), transparent 35%);
    background-attachment: fixed;
}

.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
    padding: 24px 0;
    border-bottom: 1px solid var(--glass-border);
}

.brand {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #FFF 0%, #AAA 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-badge {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(0, 240, 255, 0.08);
    color: var(--accent-primary);
    border: 1px solid rgba(0, 240, 255, 0.15);
    -webkit-text-fill-color: var(--accent-primary);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 28px;
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.2);
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
}

.card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    opacity: 0.7;
}

.stat-title {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 14px;
    font-weight: 700;
    opacity: 0.8;
}

.stat-value {
    font-size: 36px;
    font-weight: 800;
    color: #FFF;
    text-shadow: 0 0 30px rgba(255,255,255,0.15);
    letter-spacing: -1px;
    text-align: center;
}

.stat-sub {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 6px;
    font-weight: 500;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.btn-group {
    display: flex;
    gap: 12px;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #16161a;
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 6px;
    min-width: 220px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
    display: none;
    z-index: 1200;
    transform-origin: top right;
    animation: scaleIn 0.2s ease-out;
}

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

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

.dropdown-item {
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s;
    font-weight: 500;
}

.dropdown-item:hover {
    background: rgba(255,255,255,0.08);
    color: #FFF;
}

.btn {
    background: var(--bg-glass);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 22px;
    border-radius: 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.3px;
}

.btn:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.25);
    transform: translateY(-1px);
}

.btn:active { transform: scale(0.97) translateY(0); }

.btn-primary {
    background: var(--accent-primary);
    color: #000;
    border: none;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}

.btn-primary:hover {
    background: #33F2FF;
    box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
    transform: translateY(-2px);
}

.btn-danger {
    color: var(--danger);
    background: rgba(255, 45, 85, 0.08);
    border-color: rgba(255, 45, 85, 0.15);
}

.btn-danger:hover {
    background: rgba(255, 45, 85, 0.2);
    border-color: rgba(255, 45, 85, 0.3);
    box-shadow: 0 0 20px rgba(255, 45, 85, 0.15);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(1);
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-card);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    table-layout: fixed;
    backdrop-filter: blur(40px);
}

.data-table th,
.data-table td {
    text-align: center;
    vertical-align: middle;
    padding: 18px 12px;
}

.data-table th {
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.8px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.4);
    white-space: nowrap;
    user-select: none;
}

.data-table td {
    font-family: var(--font-main);
    font-size: 14px;
    letter-spacing: 0.3px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.2s;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.font-mono { font-family: var(--font-mono) !important; letter-spacing: -0.5px; }

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.03); }

.col-check { width: 60px; }
.col-id { width: 80px; }
.col-key { width: 180px; }
.col-date { width: 120px; }
.col-num { width: 100px; }
.col-progress { width: 180px; }
.col-action { width: 120px; }

.table-wrapper {
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px -10px rgba(0,0,0,0.3);
    border-radius: 24px;
}

.data-table tbody tr {
    height: 72px;
    box-sizing: border-box;
    animation: fadeIn 0.4s ease-out backwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.empty-row td {
    padding: 0;
    border-bottom: 1px solid var(--glass-border);
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 0;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.pagination button {
    background: var(--bg-glass);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
    background: rgba(255,255,255,0.1);
    transform: scale(1.05);
}

.pagination button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.key-pill {
    font-family: var(--font-mono);
    font-size: 13px;
    background: rgba(0,0,0,0.3);
    padding: 8px 12px;
    border-radius: 8px;
    color: #DDD;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid rgba(255,255,255,0.05);
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.5px;
}

.key-pill:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(0, 240, 255, 0.08);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.progress-bar {
    height: 8px;
    background: rgba(255,255,255,0.08);
    border-radius: 4px;
    overflow: hidden;
    width: 100%;
}

.progress-fill {
    height: 100%;
    background: var(--success);
    box-shadow: 0 0 15px var(--success);
    transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-radius: 4px;
}

.mobile-list { display: none; }

@media (max-width: 768px) {
    .data-table { display: none; }
    .mobile-list { display: flex; flex-direction: column; gap: 16px; }
    .mobile-card {
        background: var(--bg-card);
        border-radius: 20px;
        padding: 20px;
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    }
    .mobile-row { display: flex; justify-content: space-between; margin-bottom: 16px; font-size: 14px; align-items: center;}
    .mobile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 12px; }
    .mobile-item { display: flex; flex-direction: column; gap: 4px; }
    .mobile-item.full-width { grid-column: 1 / -1; margin-top: 4px; }
    .mobile-label { color: var(--text-secondary); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; }
    
    .app-container { padding: 16px; }
    .toolbar { flex-direction: column-reverse; align-items: stretch; gap: 12px; }
    .btn-group { justify-content: space-between; width: 100%; gap: 8px; }
    .btn { 
        width: 100%; 
        justify-content: center; 
        height: 44px; 
        padding: 0 8px;
        font-size: 12px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .stats-grid { grid-template-columns: 1fr; gap: 12px; margin-bottom: 24px; }
    .stat-value { font-size: 32px; letter-spacing: -1px; }
    header { flex-direction: column; gap: 20px; align-items: stretch; padding-bottom: 20px; margin-bottom: 24px; }
    .brand { justify-content: space-between; width: 100%; }
}

.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.active { opacity: 1; pointer-events: auto; }

.modal-box {
    background: #111;
    width: 90%;
    max-width: 520px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    padding: 32px;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 40px 100px -20px rgba(0,0,0,0.8);
}

.modal-overlay.active .modal-box { transform: scale(1) translateY(0); }

textarea {
    width: 100%;
    height: 200px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: #FFF;
    padding: 16px;
    font-family: var(--font-mono);
    resize: none;
    margin: 24px 0;
    line-height: 1.6;
    font-size: 13px;
    transition: all 0.2s;
}

textarea:focus {
    border-color: var(--accent-primary);
    background: rgba(0,0,0,0.3);
    box-shadow: 0 0 0 4px rgba(0, 240, 255, 0.1);
}

.toast-container {
    position: fixed; top: 32px; left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex; flex-direction: column; gap: 12px;
    pointer-events: none;
}

.toast {
    background: rgba(20, 20, 25, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 14px 28px;
    border-radius: 50px;
    color: #FFF;
    font-weight: 600;
    font-size: 14px;
    display: flex; align-items: center; justify-content: center; gap: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    animation: toastIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    pointer-events: auto;
}

@keyframes toastIn { from { opacity: 0; transform: translateY(-40px) scale(0.9); } }

.checkbox {
    width: 20px; height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 6px;
    cursor: pointer;
    display: grid; place-content: center;
    transition: all 0.2s;
}
.checkbox.checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}
.checkbox.checked::after {
    content: ''; width: 5px; height: 9px;
    border: solid #000; border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg) translateY(-1px);
}

.spinner {
    width: 48px; height: 48px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 40px auto;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}
@keyframes spin { to { transform: rotate(360deg); } }

.rotate-anim { animation: spin 0.8s linear infinite; }

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 6px;
}
.skeleton-text { height: 14px; width: 80%; margin: 4px 0; }
.skeleton-row { height: 72px; width: 100%; margin-bottom: 1px; }
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.font-mono { font-family: 'SF Mono', monospace; }