/* ============================================
   TAG Admin Portal — Design System
   Inherits base TAG design tokens
   ============================================ */

/* --- Design Tokens --- */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111;
    --bg-tertiary: #1a1a1a;
    --bg-hover: rgba(255,255,255,0.04);

    --border-subtle: rgba(255,255,255,0.06);
    --border-default: rgba(255,255,255,0.1);

    --text-primary: #ededed;
    --text-secondary: #a1a1a1;
    --text-muted: #666;

    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-subtle: rgba(99,102,241,0.12);

    --success: #22c55e;
    --success-subtle: rgba(34,197,94,0.12);
    --warning: #f59e0b;
    --warning-subtle: rgba(245,158,11,0.12);
    --danger: #ef4444;
    --danger-subtle: rgba(239,68,68,0.12);
    --info: #3b82f6;
    --info-subtle: rgba(59,130,246,0.12);

    --glass-bg: rgba(255,255,255,0.03);
    --glass-border: rgba(255,255,255,0.08);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

/* --- Base Reset --- */
html, body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--accent);
    color: white;
}

/* --- Links --- */
a, .btn-link {
    color: var(--accent-hover);
    text-decoration: none;
    transition: color 0.15s;
}
a:hover, .btn-link:hover {
    color: var(--accent);
}

/* --- Focus Ring --- */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus, .form-select:focus {
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent);
    outline: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
}

h1 { font-size: 1.75rem; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; }
h5 { font-size: 1rem; }

.text-muted { color: var(--text-secondary) !important; }

/* --- Content Area --- */
.content {
    padding-top: 1.1rem;
}

h1:focus { outline: none; }

/* --- Forms --- */
.form-control, .form-select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--accent);
    color: var(--text-primary);
}

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

.form-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

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

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

/* --- Buttons --- */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    transition: all 0.15s;
    border: 1px solid transparent;
}

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

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

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

.btn-warning {
    background-color: var(--warning);
    border-color: var(--warning);
    color: #111;
}

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

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

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

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

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

/* --- Cards --- */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

.card-body {
    padding: 1.25rem;
}

/* --- Tables --- */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-subtle);
    --bs-table-striped-bg: rgba(255,255,255,0.02);
    --bs-table-striped-color: var(--text-primary);
    --bs-table-hover-bg: rgba(255,255,255,0.04);
    --bs-table-hover-color: var(--text-primary);
    color: var(--text-primary);
}

.table th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-default);
}

.table td {
    border-color: var(--border-subtle);
    vertical-align: middle;
}

/* --- Badges --- */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.3em 0.7em;
    border-radius: 9999px;
}

.badge.bg-primary { background-color: var(--accent) !important; }
.badge.bg-success { background-color: var(--success) !important; }
.badge.bg-warning { background-color: var(--warning) !important; color: #111 !important; }
.badge.bg-danger { background-color: var(--danger) !important; }
.badge.bg-info { background-color: var(--info) !important; }
.badge.bg-secondary { background-color: var(--bg-tertiary) !important; border: 1px solid var(--border-default); color: var(--text-secondary) !important; }

/* --- Alerts --- */
.alert-danger {
    background-color: var(--danger-subtle);
    border-color: rgba(239,68,68,0.2);
    color: var(--danger);
}

.alert-success {
    background-color: var(--success-subtle);
    border-color: rgba(34,197,94,0.2);
    color: var(--success);
}

.alert-warning {
    background-color: var(--warning-subtle);
    border-color: rgba(245,158,11,0.2);
    color: var(--warning);
}

.alert-info {
    background-color: var(--info-subtle);
    border-color: rgba(59,130,246,0.2);
    color: var(--info);
}

/* --- Selects --- */
option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* --- Spinner --- */
.spinner-border {
    color: var(--accent);
}
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* ============================================
   TAG Admin Components
   ============================================ */

/* --- Glass Card --- */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 1.25rem;
    transition: border-color 0.2s, background 0.2s;
}

.glass-card:hover {
    border-color: rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.05);
}

/* --- KPI Card --- */
.tag-kpi-card {
    position: relative;
    overflow: hidden;
    min-height: 90px;
}

.tag-kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: 3px 0 0 3px;
}

.tag-kpi-card.kpi-accent::before { background: var(--accent); }
.tag-kpi-card.kpi-success::before { background: var(--success); }
.tag-kpi-card.kpi-warning::before { background: var(--warning); }
.tag-kpi-card.kpi-info::before { background: var(--info); }
.tag-kpi-card.kpi-danger::before { background: var(--danger); }

.tag-kpi-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.tag-kpi-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* --- Health Card --- */
.health-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.health-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.health-dot.healthy { background: var(--success); box-shadow: 0 0 6px var(--success); }
.health-dot.unhealthy { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.health-dot.checking { background: var(--warning); box-shadow: 0 0 6px var(--warning); animation: pulse-dot 1.5s ease-in-out infinite; }
.health-dot.unknown { background: var(--text-muted); }

/* --- Activity Feed --- */
.tag-activity-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--border-subtle);
}

.tag-activity-item:last-child {
    border-bottom: none;
}

/* --- Nav Section Labels --- */
.nav-section-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding-top: 1rem;
    padding-bottom: 0.25rem;
}

/* --- Status Badge --- */
.tag-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.3em 0.75em;
    border-radius: 9999px;
}

.tag-status-badge.status-healthy {
    background: var(--success-subtle);
    color: var(--success);
}

.tag-status-badge.status-unhealthy {
    background: var(--danger-subtle);
    color: var(--danger);
}

.tag-status-badge.status-pending {
    background: var(--warning-subtle);
    color: var(--warning);
}

.tag-status-badge.status-running {
    background: var(--success-subtle);
    color: var(--success);
}

/* --- Log Viewer --- */
.log-entry {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background 0.1s;
}

.log-entry:hover {
    background: var(--bg-hover);
}

.log-level-verbose { color: var(--text-muted); }
.log-level-debug { color: var(--text-secondary); }
.log-level-information { color: var(--info); }
.log-level-warning { color: var(--warning); }
.log-level-error { color: var(--danger); }
.log-level-fatal { color: #fff; background: var(--danger); }

/* --- Progress Bar --- */
.tag-progress-bar {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 9999px;
    height: 8px;
    overflow: hidden;
}

.tag-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--success));
    border-radius: 9999px;
    transition: width 0.3s ease;
}

/* --- Timeline Entry --- */
.tag-timeline-entry {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.45rem 0.75rem;
    border-left: 3px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.tag-timeline-entry:last-child {
    border-bottom: none;
}

.tag-timeline-scale-up {
    border-left-color: var(--success);
}

.tag-timeline-scale-down {
    border-left-color: var(--warning);
}

.tag-timeline-idle {
    border-left-color: var(--border-subtle);
}

/* --- Prerequisite Item --- */
.tag-prereq-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.tag-prereq-ok {
    color: var(--success);
}

.tag-prereq-fail {
    color: var(--danger);
}

/* --- Blazor Error UI --- */
.blazor-error-boundary {
    background: var(--danger);
    padding: 1rem 1rem 1rem 1.5rem;
    color: white;
    border-radius: var(--radius-sm);
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* --- Kanban Count --- */
.tag-kanban-count {
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    padding: 0.15em 0.55em;
    border-radius: 9999px;
}

/* --- Code / Pre --- */
pre, code {
    font-family: var(--font-mono);
}

pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 1rem;
    color: var(--text-primary);
    font-size: 0.8rem;
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
}

/* --- Textarea --- */
textarea.form-control {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ============================================
   Mobile Responsive Overrides
   ============================================ */

@media (max-width: 767.98px) {
    .content {
        padding: 0.75rem !important;
        max-width: 100vw;
        overflow-x: hidden;
    }

    h1 {
        font-size: 1.35rem;
    }

    .glass-card {
        padding: 0.75rem;
    }

    .tag-kpi-number {
        font-size: 1.5rem;
    }

    .table {
        font-size: 0.8rem;
    }

    .table th,
    .table td {
        padding: 0.4rem 0.5rem;
    }

    /* --- Mobile Card Pattern for Tables --- */
    .table-mobile-cards thead {
        display: none;
    }

    .table-mobile-cards tbody tr {
        display: flex;
        flex-direction: column;
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-sm);
        margin-bottom: 0.5rem;
        padding: 0.5rem;
    }

    .table-mobile-cards tbody tr:last-child {
        margin-bottom: 0;
    }

    .table-mobile-cards td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.3rem 0.25rem;
        border: none;
    }

    .table-mobile-cards td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        color: var(--text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.04em;
        margin-right: 0.5rem;
        flex-shrink: 0;
    }

    .table-mobile-cards td:first-child {
        border-bottom: 1px solid var(--border-subtle);
        padding-bottom: 0.4rem;
        margin-bottom: 0.15rem;
    }
}

/* ============================================
   Shared Keyframe Animations
   ============================================ */

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}