:root {
    --bg-deep: #0a0a0b;
    --bg-base: #111113;
    --bg-elevated: #18181b;
    --bg-panel: #1c1c1f;
    --bg-hover: #242428;
    --border: #2a2a2e;
    --border-light: #3a3a40;
    --text-primary: #e8e8ea;
    --text-secondary: #9a9aa0;
    --text-muted: #6a6a70;
    --accent: #a0a0a8;
    --accent-bright: #c8c8d0;
    --accent-dim: #5a5a62;
    --danger: #b85c5c;
    --danger-bg: rgba(184, 92, 92, 0.12);
    --success: #6a9a7a;
    --success-bg: rgba(106, 154, 122, 0.12);
    --warning: #b8a05c;
    --glow: rgba(160, 160, 168, 0.15);
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --radius: 6px;
    --sidebar-w: 260px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

/* ─── Background grid effect ─── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(160, 160, 168, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(160, 160, 168, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

a { color: var(--accent-bright); text-decoration: none; }
a:hover { color: var(--text-primary); }

/* ─── Login ─── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1.5rem;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(160,160,168,0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    box-shadow: 0 0 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.04);
    animation: fade-up 0.6s ease-out;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-brand .brand-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    color: var(--accent-bright);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.login-brand .brand-icon svg { width: 100%; height: 100%; }

.login-brand h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.login-brand p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 500;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn svg { width: 18px; height: 18px; }

.btn-primary {
    background: linear-gradient(135deg, #3a3a42 0%, #2a2a30 100%);
    border-color: var(--border-light);
    color: var(--text-primary);
    width: 100%;
    padding: 0.85rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4a4a54 0%, #3a3a42 100%);
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--glow);
    color: var(--text-primary);
}

.btn-secondary {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
}

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

.btn-danger {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}

.btn-danger:hover {
    background: rgba(184, 92, 92, 0.25);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius);
}

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

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    border: 1px solid;
}

.alert-error {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: #d4a0a0;
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success);
    color: #a0c4a8;
}

/* ─── App Shell ─── */
.app-shell {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-base);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    color: var(--accent-bright);
    flex-shrink: 0;
}

.sidebar-brand .brand-icon svg { width: 100%; height: 100%; }

.brand-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    transition: all var(--transition);
    border: 1px solid transparent;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

.nav-item.active {
    background: var(--bg-panel);
    color: var(--text-primary);
    border-color: var(--border);
    box-shadow: inset 2px 0 0 var(--accent-bright);
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex: 1;
    min-width: 0;
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--bg-hover);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-bright);
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-logout {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--text-muted);
    border: 1px solid transparent;
    transition: all var(--transition);
}

.btn-logout svg { width: 18px; height: 18px; }

.btn-logout:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: var(--danger-bg);
}

/* ─── Main ─── */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    background: rgba(17, 17, 19, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.page-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.page-body {
    padding: 1.5rem 2rem 2.5rem;
    flex: 1;
}

/* ─── Stats ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
    animation: fade-up 0.5s ease-out backwards;
}

.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.2s; }

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-dim), transparent);
}

.stat-card:hover {
    border-color: var(--border-light);
    box-shadow: 0 0 30px rgba(0,0,0,0.3);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

/* ─── Panel / Table ─── */
.panel {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    animation: fade-up 0.5s ease-out;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
    flex-wrap: wrap;
}

.panel-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.search-box {
    position: relative;
}

.search-box input {
    padding-left: 2.25rem;
    width: 240px;
    max-width: 100%;
}

.search-box svg {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.table-wrap {
    overflow-x: auto;
    border-radius: 0 0 var(--radius) var(--radius);
}

table.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: auto;
}

.data-table th {
    text-align: left;
    padding: 0.75rem 1.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: var(--bg-base);
    white-space: nowrap;
}

.data-table td {
    padding: 0.85rem 1.25rem;
    border-bottom: none;
    font-size: 1rem;
    vertical-align: middle;
}

.data-table tbody tr {
    box-shadow: inset 0 -1px 0 var(--border);
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.data-table .col-actions,
.data-table td.actions {
    width: 1%;
    white-space: nowrap;
    text-align: right;
    vertical-align: middle;
}

.data-table .actions-inner {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    justify-content: flex-end;
}

.title-cell {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-width: 0;
}

.title-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
    flex: 1;
}

.title-url {
    font-size: 0.85rem;
    word-break: break-all;
}

.btn-view {
    flex-shrink: 0;
}

#credential-form.is-view-mode .form-control:disabled {
    opacity: 1;
    color: var(--text-primary);
    background: var(--bg-deep);
    cursor: default;
}

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: 3px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.password-field {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.password-masked {
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

/* ─── Modal ─── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    padding: 1rem;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 80px rgba(0,0,0,0.6);
    transform: translateY(16px) scale(0.98);
    transition: transform var(--transition);
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

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

.modal-close svg { width: 16px; height: 16px; }

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

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

.form-group textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

.form-group select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236a6a70' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.input-with-btn {
    display: flex;
    gap: 0.35rem;
}

.input-with-btn .form-control { flex: 1; }

/* ─── Filters ─── */
.filters-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    align-items: center;
}

.filters-bar select.form-control {
    width: auto;
    min-width: 160px;
}

/* ─── Toast ─── */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 0.85rem 1.25rem;
    background: var(--bg-panel);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    animation: toast-in 0.3s ease-out;
    max-width: 360px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }

@keyframes toast-in {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ─── Password strength / copy ─── */
.copy-feedback {
    font-size: 0.75rem;
    color: var(--success);
    margin-left: 0.25rem;
}

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

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

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

    .page-header, .page-body { padding-left: 1rem; padding-right: 1rem; }

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

    .search-box input { width: 100%; }
}

.mobile-toggle {
    display: none;
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: 150;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-panel);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.mobile-toggle svg { width: 22px; height: 22px; }

@media (max-width: 768px) {
    .mobile-toggle { display: flex; }
}

/* ─── Login footer / Installer ─── */
.login-footer-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.login-footer-link a {
    color: var(--text-secondary);
    letter-spacing: 0.04em;
}

.login-footer-link a:hover {
    color: var(--accent-bright);
}

.install-status {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 0.5rem;
}

.install-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    gap: 1rem;
}

.install-row:last-child { border-bottom: none; }

.install-row span {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    font-weight: 600;
}

.install-row strong { color: var(--text-primary); font-weight: 600; }
.install-row strong.ok { color: var(--success); }
.install-row strong.err { color: var(--danger); }
.install-row strong.warn { color: var(--warning); }

.install-log {
    margin-top: 0.75rem;
    padding: 0.85rem 1rem;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-height: 220px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.form-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.form-divider span { white-space: nowrap; }

.user-chip:hover .user-name {
    color: var(--accent-bright);
}