/* ============================================
   Fikua Lab — Portal
   Light/Dark theme with Fikua Lab design system
   ============================================ */

/* --- Light mode (default) --- */
:root {
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-hover: #f1f5f9;
    --border: #e2e8f0;
    --text: #334155;
    --text-muted: #64748b;
    --heading: #0f172a;
    --accent: #2A9D8F;
    --accent-hover: #238578;
    --accent-subtle: rgba(42, 157, 143, 0.08);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --berry: #c2185b;
    --radius: 8px;
    --radius-lg: 12px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
    --max-width: 960px;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --log-bg: #f8fafc;
}

/* --- Dark mode --- */
[data-theme="dark"] {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface-hover: #22263a;
    --border: #2a2e3f;
    --text: #e1e4ed;
    --text-muted: #8b90a0;
    --heading: #e2e8f0;
    --accent: #2dd4bf;
    --accent-hover: #5eead4;
    --accent-subtle: rgba(45, 212, 191, 0.1);
    --primary: #4f8ff7;
    --primary-hover: #3a7de6;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --berry: #f06292;
    --nav-bg: rgba(15, 17, 23, 0.9);
    --log-bg: #0a0c10;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

h1, h2, h3 { color: var(--heading); line-height: 1.3; }

/* --- Theme Toggle --- */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.35rem;
    cursor: pointer;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, border-color 0.15s;
}
.theme-toggle:hover { color: var(--heading); border-color: var(--text-muted); }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* --- Nav --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    transition: background 0.3s, border-color 0.3s;
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--heading);
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: #fff;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.85rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-label {
    font-size: 0.8rem;
    font-family: var(--mono);
    color: var(--text-muted);
    background: var(--surface);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--border);
}

/* --- Main --- */
main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.5rem;
}

/* --- Tabs --- */
.tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.tab {
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.6rem 1rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
}

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

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content.hidden { display: none; }

section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* --- Systems Grid --- */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.system-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    color: var(--text);
    transition: border-color 0.15s, background 0.15s;
    cursor: pointer;
}

.system-card:hover {
    border-color: var(--accent);
    background: var(--surface-hover);
    color: var(--text);
}

.system-card--external:hover {
    border-color: var(--berry);
}

.system-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.issuer-icon { background: var(--accent-subtle); color: var(--accent); }
.wallet-icon { background: var(--accent-subtle); color: var(--accent); }
.verifier-icon { background: var(--accent-subtle); color: var(--accent); }
.oidf-icon { background: rgba(240, 98, 146, 0.1); color: var(--berry); }

.system-info { flex: 1; min-width: 0; }

.system-info strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--heading);
}

.system-info span {
    font-size: 0.75rem;
    font-family: var(--mono);
    color: var(--text-muted);
}

.system-arrow {
    font-size: 1rem;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform 0.15s;
}

.system-card:hover .system-arrow { transform: translateX(2px); }

/* --- Profile cards --- */
#active-profile { margin-bottom: 1.5rem; }

.profile-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.profile-card.active { border-color: var(--success); }

.profile-info { flex: 1; }
.profile-name { font-weight: 600; font-size: 0.95rem; }
.profile-role {
    display: inline-block;
    font-size: 0.75rem;
    font-family: var(--mono);
    background: var(--surface-hover);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
    color: var(--text-muted);
}
.profile-config {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-family: var(--mono);
}

.profile-actions { display: flex; gap: 0.5rem; }

.profile-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* --- Toolbar --- */
.toolbar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
    font-family: var(--font);
    font-size: 0.8125rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: background 0.15s;
}
.btn:hover { background: var(--surface-hover); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); border-color: var(--success); color: #000; }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.75rem; }

/* --- Select --- */
select {
    font-family: var(--font);
    font-size: 0.8125rem;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
}

/* --- Logs --- */
.logs-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.logs-filters {
    display: flex;
    gap: 0.25rem;
}

.log-filter {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.log-filter input { display: none; }

.log-filter span {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    background: var(--surface);
    transition: all 0.15s;
}

.log-filter:hover span { border-color: var(--text-muted); }

.log-filter.selected span {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-subtle);
}

.log-filter--info.selected span { border-color: var(--primary); color: var(--primary); background: rgba(79, 143, 247, 0.1); }
.log-filter--warn.selected span { border-color: var(--warning); color: var(--warning); background: rgba(251, 191, 36, 0.1); }
.log-filter--error.selected span { border-color: var(--danger); color: var(--danger); background: rgba(248, 113, 113, 0.1); }

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

.log-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
}

.log-toggle input { accent-color: var(--accent); }

/* --- Log Container (Dozzle-style) --- */
.log-container {
    background: var(--log-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: 0.75rem;
    line-height: 1.65;
    height: calc(100vh - 220px);
    min-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
}

.log-line {
    display: flex;
    padding: 0 0.75rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
}

.log-line:hover { background: var(--surface-hover); }

.log-line--info .log-level { color: var(--primary); }
.log-line--warn .log-level { color: var(--warning); }
.log-line--error .log-level { color: var(--danger); }
.log-line--error { background: rgba(248, 113, 113, 0.03); }

.log-lineno {
    color: var(--text-muted);
    opacity: 0.4;
    min-width: 36px;
    text-align: right;
    padding-right: 0.75rem;
    user-select: none;
    flex-shrink: 0;
}

.log-time {
    color: var(--text-muted);
    min-width: 80px;
    flex-shrink: 0;
}

.log-level {
    font-weight: 700;
    min-width: 44px;
    flex-shrink: 0;
}

.log-source {
    color: var(--accent);
    min-width: 100px;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 0;
}

.log-msg {
    color: var(--text);
    flex: 1;
    word-break: break-all;
    white-space: pre-wrap;
}

.log-empty {
    color: var(--text-muted);
    text-align: center;
    padding: 3rem;
    font-family: var(--font);
    font-size: 0.8125rem;
}

/* --- Log Status Bar --- */
.log-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.75rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    background: var(--surface);
}

.log-connection {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.log-connection-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

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

/* --- Dialog --- */
dialog {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    padding: 1.5rem;
    max-width: 520px;
    width: 90%;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.6); }

dialog h3 { margin-bottom: 1rem; }

dialog label {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
}

dialog input[type="text"],
dialog select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.875rem;
}

dialog fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    margin-top: 1rem;
}

dialog legend {
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0 0.4rem;
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.conditional-fields { margin-top: 0.5rem; }
.conditional-fields label { display: inline-flex; align-items: center; gap: 0.4rem; margin-right: 1rem; }

/* --- Tools --- */
.tools-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tool-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 1rem;
}

.tool-card .btn { min-width: 120px; justify-content: center; }

.tool-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.tool-header strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--heading);
}

.tool-header span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hidden { display: none; }
.loading { color: var(--text-muted); font-size: 0.875rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .systems-grid { grid-template-columns: 1fr; }
    main { padding: 1rem; }
    .logs-toolbar { flex-direction: column; align-items: flex-start; }
    .log-container { height: calc(100vh - 280px); }
    .log-source { display: none; }
}