@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
    --bg-base: #09090b;
    --bg-panel: rgba(24, 24, 27, 0.7);
    --bg-panel-hover: rgba(39, 39, 42, 0.8);
    --text-primary: #ededed;
    --text-secondary: #a1a1aa;
    --accent-glow: rgba(56, 189, 248, 0.25);
    --accent-solid: #38bdf8;
    --accent-hover: #0284c7;
    --border-color: rgba(63, 63, 70, 0.4);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(56, 189, 248, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    color: var(--text-primary);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100%;
    backdrop-filter: blur(20px);
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, rgba(9,9,11,0.9) 0%, rgba(24,24,27,0.7) 100%);
    border-right: var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    box-shadow: 4px 0 24px rgba(0,0,0,0.2);
    z-index: 10;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #38bdf8 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.sidebar a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.85rem 1.25rem;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.sidebar a:hover, .sidebar a.active {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.05);
    transform: translateX(4px);
}

.sidebar a.active {
    background: linear-gradient(90deg, rgba(56, 189, 248, 0.1) 0%, transparent 100%);
    border-left: 2px solid var(--accent-solid);
    color: var(--accent-solid);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 1.5rem;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    border: var(--glass-border);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--warning-color);
    box-shadow: 0 0 10px var(--warning-color);
    transition: all 0.5s ease;
}
.status-indicator.healthy { 
    background-color: var(--success-color); 
    box-shadow: 0 0 12px var(--success-color);
}

/* Main Workspace */
.workspace {
    flex-grow: 1;
    padding: 3rem 4rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

header {
    margin-bottom: 3rem;
    animation: fadeInDown 0.6s ease-out;
}

header h1 { 
    font-size: 2.5rem; 
    font-weight: 700;
    margin-bottom: 0.5rem; 
    letter-spacing: -1px;
}

header p { 
    color: var(--text-secondary); 
    font-size: 1.1rem;
    max-width: 600px;
}

.playground-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.panel {
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.panel:hover {
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
    border-color: rgba(255, 255, 255, 0.12);
}

.panel h3 { 
    font-size: 1.25rem; 
    font-weight: 600; 
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel h3::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent-solid);
    border-radius: 2px;
}

#prompt-input {
    width: 100%;
    height: 220px;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 1.25rem;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    transition: all 0.3s ease;
    line-height: 1.6;
}

#prompt-input:focus { 
    outline: none; 
    border-color: var(--accent-solid); 
    background-color: rgba(0,0,0,0.3);
    box-shadow: inset 0 0 0 1px var(--accent-solid), 0 0 20px var(--accent-glow);
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    background: rgba(0,0,0,0.15);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.03);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 120px;
}

.control-group label { 
    font-size: 0.8rem; 
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary); 
    font-weight: 500;
}

.control-group input, .control-group select {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: inherit;
    transition: all 0.2s;
    appearance: none;
}

.control-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.control-group input:focus, .control-group select:focus {
    outline: none;
    border-color: var(--accent-solid);
    background-color: rgba(255,255,255,0.08);
}

.primary-btn {
    background: linear-gradient(135deg, var(--accent-solid) 0%, #2563eb 100%);
    color: white;
    border: none;
    padding: 1.25rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px 0 var(--accent-glow);
    position: relative;
    overflow: hidden;
}

.primary-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255,255,255,0.1);
    transform: rotate(45deg) translateY(-100%);
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.primary-btn:hover { 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(56, 189, 248, 0.4); 
}

.primary-btn:hover::after {
    transform: rotate(45deg) translateY(100%);
}

.primary-btn:disabled {
    background: #2d3139;
    color: #6b7280;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Results */
.hidden { display: none !important; }

#loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 300px;
    color: var(--accent-solid);
    font-weight: 500;
    gap: 1.5rem;
    animation: pulse 2s infinite;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.metric-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: transform 0.2s;
}

.metric-card:hover {
    transform: translateY(-2px);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.metric-card h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.highlight { 
    color: #c084fc; 
    font-weight: 600; 
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
    word-break: break-all;
}

.badge { 
    background: rgba(16, 185, 129, 0.15);
    color: #34d399; 
    padding: 0.35rem 0.75rem; 
    border-radius: 20px; 
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    max-width: fit-content;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.value { 
    font-family: 'Fira Code', monospace; 
    font-size: 1.25rem; 
    color: #f8fafc;
    font-weight: 500;
}

.response-box {
    margin-top: 2rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
}

.response-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.5), transparent);
}

.response-box h4 { 
    margin-bottom: 1rem; 
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.response-box p { 
    white-space: pre-wrap; 
    font-size: 1rem; 
    line-height: 1.7;
    color: #f1f5f9;
}

.debug-info { 
    margin-top: 1.5rem; 
    font-size: 0.875rem; 
    color: var(--text-secondary); 
}

details {
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
    overflow: hidden;
}

summary {
    padding: 1rem;
    cursor: pointer;
    font-weight: 500;
    user-select: none;
    transition: background 0.2s;
}

summary:hover { background: rgba(255,255,255,0.05); }

.debug-info ul { 
    padding: 1rem 1rem 1rem 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.debug-info li {
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    color: #94a3b8;
    margin-bottom: 0.5rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(56, 189, 248, 0.1);
    border-top-color: var(--accent-solid);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; text-shadow: 0 0 10px var(--accent-glow); }
    100% { opacity: 0.6; }
}

/* ============================
   TAB PANELS
   ============================ */

.tab-panel { display: block; animation: fadeInUp 0.5s ease-out; }
.tab-panel.hidden { display: none !important; }

/* ============================
   EMPTY STATE
   ============================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 280px;
    gap: 1rem;
    color: var(--text-secondary);
    text-align: center;
}

/* ============================
   SECONDARY BUTTON
   ============================ */

.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.secondary-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

/* ============================
   METRICS PAGE
   ============================ */

.metrics-page { animation: fadeInUp 0.5s ease-out; }
.metrics-controls { margin-bottom: 1.5rem; }

.metrics-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.25rem;
}

.metric-overview-card {
    background: var(--bg-panel);
    border: var(--glass-border);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.metric-overview-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.metric-overview-card.success { border-color: rgba(34, 197, 94, 0.2); }
.metric-overview-card.danger  { border-color: rgba(248, 113, 113, 0.2); }

.metric-overview-value {
    font-family: 'Fira Code', monospace;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #f8fafc 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-overview-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* per-model stats */
.model-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.model-stat-card {
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.model-stat-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent-solid);
}

.model-stat-full-id {
    font-family: 'Fira Code', monospace;
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    word-break: break-all;
}

.model-stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.model-stat-row:last-child { border-bottom: none; }
.model-stat-row strong { color: var(--text-primary); }

/* ============================
   MODELS REGISTRY
   ============================ */

.models-registry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    animation: fadeInUp 0.5s ease-out;
    transition: opacity 0.3s;
}

.model-card {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.4);
    border-color: rgba(255,255,255,0.15);
}

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

.model-tier-badge {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    border: 1px solid currentColor;
}

.model-status-pill {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
}

.model-status-pill.online {
    background: rgba(34,197,94,0.15);
    color: #22d3ee;
    border: 1px solid rgba(34,197,94,0.3);
}

.model-status-pill.offline {
    background: rgba(239,68,68,0.15);
    color: #f87171;
    border: 1px solid rgba(239,68,68,0.3);
}

.model-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.model-org {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.model-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex-grow: 1;
}

.model-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.model-meta strong { color: var(--text-primary); }

.model-id-chip {
    font-family: 'Fira Code', monospace;
    font-size: 0.72rem;
    color: #6d7a8a;
    background: rgba(0,0,0,0.2);
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    word-break: break-all;
    border: 1px solid rgba(255,255,255,0.04);
}

/* Custom Dropdown Styling */
.custom-dropdown-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #e2e8f0;
}

.custom-select-wrapper {
    position: relative;
    user-select: none;
    width: 100%;
}

.custom-select-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-select-trigger:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-color: rgba(56, 189, 248, 0.5);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

.custom-select-wrapper.open .custom-select-trigger {
    border-color: var(--accent-solid);
    box-shadow: inset 0 0 0 1px var(--accent-solid), 0 0 20px var(--accent-glow);
}

.custom-select-value {
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.custom-select-icon {
    transition: transform 0.3s ease;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.custom-select-wrapper.open .custom-select-icon {
    transform: rotate(180deg);
    color: var(--accent-solid);
}

.custom-options-container {
    position: absolute;
    display: block;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    max-height: 320px;
    overflow-y: auto;
    overflow-x: hidden;
}

.custom-options-container::-webkit-scrollbar { width: 6px; }
.custom-options-container::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.2); border-radius: 10px; }
.custom-options-container::-webkit-scrollbar-track { background: transparent; }

.custom-select-wrapper.open .custom-options-container {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.custom-option {
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: background 0.2s;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.custom-option:last-child {
    border-bottom: none;
}

.custom-option:hover, .custom-option.selected {
    background: rgba(56, 189, 248, 0.15);
}

.custom-option.selected .option-title {
    color: var(--accent-solid);
}

.option-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.option-content {
    display: flex;
    flex-direction: column;
}

.option-title {
    color: #f1f5f9;
    font-weight: 600;
    font-size: 0.9rem;
}

.option-desc {
    color: #94a3b8;
    font-size: 0.75rem;
    font-family: 'Fira Code', monospace;
}