/* ═══════════════════════════════════════════════════════
   Proxy Guard Admin Panel — Gritty Dark Theme
   Design System: DayZ/GTA Industrial Aesthetic
   ═══════════════════════════════════════════════════════ */

:root {
    --bg-primary: hsl(0, 0%, 5%);
    --bg-secondary: hsl(60, 5%, 8%);
    --bg-card: hsl(60, 5%, 9%);
    --bg-input: hsl(0, 0%, 12%);
    --bg-elevated: hsla(0, 0%, 0%, 0.85);
    --border: hsl(0, 0%, 16%);
    --border-focus: hsl(0, 80%, 45%);
    --text-primary: hsl(40, 5%, 85%);
    --text-secondary: hsl(40, 5%, 55%);
    --text-muted: hsl(0, 0%, 35%);
    --accent: hsl(0, 80%, 45%);
    --accent-hover: hsl(0, 80%, 55%);
    --accent-secondary: hsl(15, 80%, 45%);
    --accent-glow: hsla(0, 80%, 45%, 0.4);
    --accent-subtle: hsla(0, 80%, 45%, 0.1);
    --success: hsl(100, 60%, 40%);
    --warning: hsl(35, 90%, 50%);
    --danger: hsl(0, 80%, 45%);
    --info: hsl(200, 50%, 45%);
    --radius: 0px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 15px var(--accent-glow);
    --font-sans: 'Roboto', 'Segoe UI', system-ui, sans-serif;
    --font-display: 'Oswald', 'Segoe UI Semibold', sans-serif;
    --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
    --ease-out: cubic-bezier(0.1, 0.9, 0.2, 1);
}

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

*:focus { outline: none; }

/* ── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: hsl(0, 0%, 20%); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }
* { scrollbar-width: thin; scrollbar-color: hsl(0, 0%, 20%) var(--bg-primary); }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 0.95rem;
}

/* ── Navbar ────────────────────────────────────────── */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    height: 52px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.nav-links { display: flex; align-items: center; gap: 0.5rem; }

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.4rem 0.8rem;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}

.nav-links a:hover { color: var(--text-secondary); }
.nav-links a.active { color: var(--accent); border-bottom-color: var(--accent); }

.nav-user { color: var(--text-muted); font-size: 0.8rem; letter-spacing: 0.05em; }

/* ── Container ─────────────────────────────────────── */
.container { max-width: 1280px; margin: 1.5rem auto; padding: 0 2rem; }

/* ── Stats Grid ────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    transition: border-color 0.15s var(--ease-out);
}

.stat-card:hover { border-color: var(--accent); }

.stat-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
}

.stat-active .stat-value { color: var(--success); }
.stat-unused .stat-value { color: var(--info); }
.stat-expired .stat-value { color: var(--danger); }

/* ── Section ───────────────────────────────────────── */
.section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ── Table ─────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table thead { background: var(--bg-input); }

.data-table th {
    padding: 0.6rem 0.8rem;
    text-align: left;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px solid hsl(0, 0%, 12%);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.data-table tbody tr:hover { background: var(--accent-subtle); }

.key-cell {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.82rem;
}

.hwid-cell {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.actions-cell { white-space: nowrap; display: flex; gap: 0.3rem; }
.empty-row { text-align: center; color: var(--text-muted); padding: 2rem !important; }

/* ── Badges ────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badge-green { background: hsla(100, 60%, 40%, 0.15); color: var(--success); border: 1px solid hsla(100, 60%, 40%, 0.3); }
.badge-blue { background: hsla(200, 50%, 45%, 0.15); color: var(--info); border: 1px solid hsla(200, 50%, 45%, 0.3); }
.badge-red { background: hsla(0, 80%, 45%, 0.15); color: var(--danger); border: 1px solid hsla(0, 80%, 45%, 0.3); }
.badge-yellow { background: hsla(35, 90%, 50%, 0.15); color: var(--warning); border: 1px solid hsla(35, 90%, 50%, 0.3); }
.badge-gray { background: hsla(0, 0%, 40%, 0.15); color: var(--text-secondary); border: 1px solid hsla(0, 0%, 40%, 0.3); }

/* ── Buttons ───────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.5rem 1.1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: all 0.15s var(--ease-out);
    color: var(--text-primary);
}

.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.7rem; }
.btn-full { width: 100%; }

.btn-primary { background: var(--accent); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-glow); }

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--text-primary); }

.btn-success { background: var(--success); }
.btn-success:hover { filter: brightness(1.2); }

.btn-danger { background: var(--danger); }
.btn-danger:hover { filter: brightness(1.2); box-shadow: var(--shadow-glow); }

.btn-warning { background: var(--warning); color: #0D0D0D; }
.btn-warning:hover { filter: brightness(1.2); }

/* ── Filter Groups ─────────────────────────────────── */
.filter-group {
    display: inline-flex;
    gap: 1px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2px;
}

.filter-group .filter-btn {
    padding: 0.25rem 0.7rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--text-muted);
    background: transparent;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: all 0.15s;
    text-decoration: none;
}

.filter-group .filter-btn:hover { color: var(--text-primary); background: var(--accent-subtle); }
.filter-group .filter-btn.active { background: var(--accent); color: var(--text-primary); }

.form-select {
    padding: 0.35rem 0.7rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}
.form-select:focus { border-color: var(--accent); }

/* ── Forms ─────────────────────────────────────────── */
.form-card { max-width: 500px; }
.form-group { margin-bottom: 1rem; }

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-sans);
    transition: border-color 0.15s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-subtle);
}

.form-group input::placeholder { color: var(--text-muted); }

/* ── Alerts ────────────────────────────────────────── */
.alert {
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    border: 1px solid;
}

.alert-error { background: hsla(0, 80%, 45%, 0.1); color: var(--danger); border-color: hsla(0, 80%, 45%, 0.3); }
.alert-success { background: hsla(100, 60%, 40%, 0.1); color: var(--success); border-color: hsla(100, 60%, 40%, 0.3); }

/* ── Login Page ────────────────────────────────────── */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow);
}

.login-logo { font-size: 2.5rem; margin-bottom: 0.5rem; text-align: center; }

.login-container h1 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-align: center;
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    letter-spacing: 0.05em;
}

/* ── Key Display ───────────────────────────────────── */
.keys-output { margin: 1rem 0; }
.key-display {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent);
    background: var(--bg-input);
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius);
    margin-bottom: 0.4rem;
    border: 1px solid var(--border);
    letter-spacing: 0.1em;
}

/* ── Pagination ────────────────────────────────────── */
.pagination { display: flex; gap: 0.3rem; justify-content: center; margin-top: 1rem; }

/* ── Modal ─────────────────────────────────────────── */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-elevated);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.modal-content h3 {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

/* ── OTP Input ─────────────────────────────────────── */
.otp-input {
    font-family: var(--font-mono) !important;
    font-size: 1.8rem !important;
    text-align: center;
    letter-spacing: 0.5em;
    padding: 0.6rem !important;
}

/* ── QR / 2FA ──────────────────────────────────────── */
.qr-container {
    display: flex;
    justify-content: center;
    padding: 1.25rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin: 1rem 0;
}

.twofa-status { margin: 1rem 0; }
.twofa-status .badge { font-size: 0.85rem; padding: 0.35rem 0.8rem; }

.secret-code {
    font-family: var(--font-mono);
    color: var(--accent);
    background: var(--bg-input);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    user-select: all;
    border: 1px solid var(--border);
}

/* ── Form Layout ───────────────────────────────────── */
.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }

/* ── Checkbox ──────────────────────────────────────── */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    user-select: none;
    padding: 0.4rem 0;
}

.checkbox-label input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 18px; height: 18px; min-width: 18px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    position: relative;
    transition: all 0.15s;
}

.checkbox-label input[type="checkbox"]:hover { border-color: var(--accent); }
.checkbox-label input[type="checkbox"]:checked { background: var(--accent); border-color: var(--accent); }
.checkbox-label input[type="checkbox"]:checked::after {
    content: ''; position: absolute; top: 3px; left: 6px;
    width: 4px; height: 8px;
    border: solid white; border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ── Text Link ─────────────────────────────────────── */
.text-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.15s;
}
.text-link:hover { color: var(--accent); }

/* ── File Input ────────────────────────────────────── */
.form-group input[type="file"] {
    padding: 0.6rem 0.8rem;
    border: 1px dashed var(--border);
    cursor: pointer;
}
.form-group input[type="file"]:hover { border-color: var(--accent); background: var(--accent-subtle); }
.form-group input[type="file"]::file-selector-button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    margin-right: 0.6rem;
    text-transform: uppercase;
}

/* ── Animations ────────────────────────────────────── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 8px var(--accent-glow); }
    50% { box-shadow: 0 0 20px var(--accent-glow); }
}

.section { animation: fadeInUp 0.3s var(--ease-out); }
.stat-card { animation: fadeInUp 0.3s var(--ease-out); }
.btn-primary:hover { animation: pulseGlow 2s infinite; }

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 768px) {
    .container { padding: 0 1rem; }
    .navbar { padding: 0 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .data-table { font-size: 0.75rem; }
    .actions-cell { flex-direction: column; }
    .form-row { flex-direction: column; }
    .nav-links { gap: 0.3rem; flex-wrap: wrap; }
}