/* ============================================
   Trirexio Licensing System - Main Stylesheet
   Dark theme matching trirexio.com
   ============================================ */

/* --- CSS Variables --- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a28;
    --bg-card-hover: #222236;
    --bg-input: #0f0f18;
    --border-color: #2a2a3e;
    --border-focus: #8b5cf6;
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent: #8b5cf6;
    --accent-hover: #a78bfa;
    --accent-dark: #6d28d9;
    --accent-glow: rgba(139, 92, 246, 0.3);
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --transition: all 0.25s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

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

/* --- Sidebar --- */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .logo {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}

.sidebar-brand h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-brand small {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--accent-dark);
    color: #fff;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.nav-link .icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border-color);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

/* --- Top Bar --- */
.topbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-left h1 {
    font-size: 20px;
    font-weight: 700;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}

.user-info span {
    font-size: 13px;
    color: var(--text-secondary);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* --- Page Content --- */
.page-content {
    padding: 32px;
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

/* --- Stats Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent-glow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning); }
.stat-icon.red { background: var(--danger-bg); color: var(--danger); }

.stat-info h4 {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-info p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* --- Tables --- */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    background: var(--bg-secondary);
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
}

table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

table tr:hover td {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

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

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-active, .badge-success { background: var(--success-bg); color: var(--success); }
.badge-inactive, .badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-suspended { background: var(--warning-bg); color: var(--warning); }
.badge-demo { background: var(--info-bg); color: var(--info); }
.badge-live { background: rgba(139, 92, 246, 0.15); color: var(--accent); }
.badge-expired { background: var(--danger-bg); color: var(--danger); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
    color: #fff;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: #16a34a;
    color: #fff;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

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

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

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888a0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* --- Modal --- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* --- Alerts / Flash --- */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.alert-info { background: var(--info-bg); color: var(--info); border: 1px solid rgba(59,130,246,0.2); }

/* --- Login Page --- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-card .login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-card .login-logo .logo-icon {
    width: 64px;
    height: 64px;
    background: var(--accent);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.login-card .login-logo h1 {
    font-size: 24px;
    font-weight: 700;
}

.login-card .login-logo p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    justify-content: center;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h4 {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* --- Action Buttons in Table --- */
.action-btns {
    display: flex;
    gap: 6px;
}

/* --- File Upload --- */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover {
    border-color: var(--accent);
    background: rgba(139, 92, 246, 0.05);
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload .icon {
    font-size: 36px;
    color: var(--accent);
    margin-bottom: 8px;
}

.file-upload p {
    font-size: 14px;
    color: var(--text-secondary);
}

.file-upload small {
    font-size: 12px;
    color: var(--text-muted);
}

/* --- Confirm Dialog --- */
.confirm-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 300;
    align-items: center;
    justify-content: center;
}

.confirm-overlay.active {
    display: flex;
}

.confirm-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.confirm-box .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.confirm-box h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.confirm-box p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.confirm-box .btns {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- Password Toggle --- */
.password-wrapper {
    position: relative;
}

.password-wrapper .toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .topbar {
        padding: 12px 16px;
    }

    .page-content {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal {
        width: 95%;
        margin: 16px;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 24px;
    }

    .action-btns {
        flex-direction: column;
    }
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.card, .stat-card, .login-card {
    animation: fadeIn 0.3s ease;
}

/* --- Sidebar overlay for mobile --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

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

/* --- Bot card for downloads --- */
.bot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.bot-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

.bot-card:hover {
    border-color: var(--accent-glow);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.bot-card h4 {
    font-size: 18px;
    margin-bottom: 4px;
}

.bot-card .version {
    font-size: 13px;
    color: var(--accent);
    margin-bottom: 12px;
}

.bot-card .description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.bot-card .bot-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bot-card .file-size {
    font-size: 12px;
    color: var(--text-muted);
}