/* LicenseServ - Dark navy theme */
:root {
    --color-bg: #0f1623;
    --color-bg-secondary: #161e2e;
    --color-bg-card: #1a2438;
    --color-bg-hover: #1f2d45;
    --color-border: #243047;
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-accent-light: #60a5fa;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;
    --header-height: 56px;
    --sidebar-width: 220px;
    --border-radius: 8px;
    --transition: 0.2s ease;
}

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

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    font-size: 14px;
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* ===== APP LAYOUT ===== */
.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== HEADER ===== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-accent-light);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.brand-link:hover {
    color: var(--color-text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
}

.lang-selector .form-select {
    background-color: var(--color-bg-card);
    border-color: var(--color-border);
    color: var(--color-text);
    width: auto;
    min-width: 100px;
}

.lang-selector .form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(59,130,246,0.25);
}

.user-greeting {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ===== BODY LAYOUT ===== */
.app-body {
    display: flex;
    flex: 1;
}

/* ===== SIDEBAR ===== */
.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    padding: 1.5rem 0;
    min-height: calc(100vh - var(--header-height));
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list li {
    margin: 0;
}

.nav-list .nav-section {
    padding: 1rem 1.25rem 0.25rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-dim);
    margin-top: 0.5rem;
}

.nav-list .nav-link {
    display: block;
    padding: 0.6rem 1.25rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all var(--transition);
}

.nav-list .nav-link:hover {
    color: var(--color-text);
    background: var(--color-bg-hover);
    border-left-color: var(--color-accent);
}

.nav-list .nav-link.active {
    color: var(--color-accent-light);
    background: rgba(59,130,246,0.08);
    border-left-color: var(--color-accent);
    font-weight: 600;
}

/* ===== MAIN CONTENT ===== */
.app-main {
    flex: 1;
    overflow-x: hidden;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
}

.content-container {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
}

/* ===== PAGE HEADER ===== */
.page-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

/* ===== HOME PAGE ===== */
.home-page {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 400px;
}

.hero-section {
    text-align: center;
    padding: 3rem 2rem;
    max-width: 600px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.hero-description {
    font-size: 0.95rem;
    color: var(--color-text-dim);
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== STATUS BADGE ===== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.online {
    background: var(--color-success);
    box-shadow: 0 0 6px var(--color-success);
    animation: pulse-green 2s infinite;
}

.status-dot.offline {
    background: var(--color-danger);
}

@keyframes pulse-green {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== AUTH PAGES ===== */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 400px;
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.auth-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-footer {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.auth-footer a {
    color: var(--color-accent-light);
    text-decoration: none;
    margin-left: 0.25rem;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: border-color var(--transition);
}

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

.stat-card-success {
    border-left: 3px solid var(--color-success);
}

.stat-card-warning {
    border-left: 3px solid var(--color-warning);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== CARDS ===== */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.card-header {
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: 0.875rem 1.25rem;
    color: var(--color-text);
}

/* ===== TABLE ===== */
/* Override Bootstrap 5 CSS variables so every cell renders in the dark theme */
.table {
    --bs-table-color: var(--color-text);
    --bs-table-bg: var(--color-bg-card);
    --bs-table-border-color: var(--color-border);
    --bs-table-striped-color: var(--color-text);
    --bs-table-striped-bg: rgba(255,255,255,0.03);
    --bs-table-active-color: var(--color-text);
    --bs-table-active-bg: var(--color-bg-hover);
    --bs-table-hover-color: var(--color-text);
    --bs-table-hover-bg: var(--color-bg-hover);
    color: var(--color-text);
    margin-bottom: 0;
}

.table > :not(caption) > * > * {
    color: var(--color-text);
    background-color: var(--color-bg-card);
}

.table thead th {
    background: var(--color-bg-secondary) !important;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem 1rem;
    font-weight: 600;
}

.table tbody td {
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--color-bg-hover) !important;
    color: var(--color-text);
}

.table-warning > tbody > tr.table-warning > * {
    --bs-table-bg: rgba(245,158,11,0.07);
    background-color: rgba(245,158,11,0.07) !important;
}

.table-responsive {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

/* ===== LICENSE KEY ===== */
.license-key {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0.15rem 0.4rem;
    color: var(--color-accent-light);
    letter-spacing: 0.5px;
}

/* ===== BUTTONS ===== */
.btn {
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

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

.btn-outline-primary {
    color: var(--color-accent-light);
    border-color: var(--color-accent);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.btn-outline-light {
    color: var(--color-text-muted);
    border-color: var(--color-border);
    background: transparent;
}

.btn-outline-light:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

/* ===== FORM CONTROLS ===== */
.form-control, .form-select {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    background-color: var(--color-bg);
    border-color: var(--color-accent);
    color: var(--color-text);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
    outline: none;
}

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

.form-label {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
}

.form-check-input {
    background-color: var(--color-bg);
    border-color: var(--color-border);
}

.form-check-input:checked {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.form-check-label {
    color: var(--color-text-muted);
}

/* ===== ALERTS ===== */
.alert {
    border-radius: var(--border-radius);
    border: 1px solid;
    padding: 0.875rem 1.25rem;
    font-size: 0.875rem;
}

.alert-danger {
    background: rgba(239,68,68,0.08);
    border-color: rgba(239,68,68,0.3);
    color: #fca5a5;
}

.alert-warning {
    background: rgba(245,158,11,0.08);
    border-color: rgba(245,158,11,0.3);
    color: #fcd34d;
}

.alert-success {
    background: rgba(34,197,94,0.08);
    border-color: rgba(34,197,94,0.3);
    color: #86efac;
}

.alert-info {
    background: rgba(59,130,246,0.08);
    border-color: rgba(59,130,246,0.3);
    color: var(--color-accent-light);
}

.alert-link {
    color: inherit;
    font-weight: 600;
}

/* ===== BADGES ===== */
.badge {
    font-size: 0.7rem;
    padding: 0.3em 0.65em;
    border-radius: 4px;
    font-weight: 600;
}

/* ===== SPINNER ===== */
.spinner-border {
    color: var(--color-accent);
    width: 2rem;
    height: 2rem;
}

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

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

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

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .app-sidebar {
        display: none;
    }

    .content-container {
        padding: 1rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-actions {
        gap: 0.5rem;
    }

    .lang-selector label {
        display: none;
    }
}