:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-cyan: #06b6d4;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.5;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

form {
    display: flex;
    gap: 12px;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto;
}

.search-container {
    position: relative;
    flex: 1;
}

.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.suggestion-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--bg-tertiary);
    transition: background 0.15s;
}

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

.suggestion-item:hover,
.suggestion-item.active {
    background: rgba(59, 130, 246, 0.2);
}

.suggestion-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.suggestion-ticker {
    font-weight: 700;
    font-size: 16px;
    color: var(--text-primary);
}

.suggestion-name {
    font-size: 13px;
    color: var(--text-muted);
}

.suggestion-sector {
    font-size: 11px;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
}

input[type="text"] {
    flex: 1;
    padding: 14px 18px;
    font-size: 16px;
    border: 1px solid var(--bg-tertiary);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    outline: none;
}

input[type="text"]:focus {
    border-color: var(--accent-blue);
}

button {
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: var(--accent-blue);
    color: white;
    cursor: pointer;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.retry-btn {
    margin-top: 12px;
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.5);
}

.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 20px;
}

.examples {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 12px;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.company-header {
    text-align: center;
    padding: 20px 24px;
}

.company-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    padding: 4px;
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: 100px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
}

.tab-btn.active {
    background: var(--accent-blue);
    color: white;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Compact Metrics Grid */
.metrics-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
}

.metrics-overview .metric-value {
    font-size: 20px;
}

/* Metrics Sections */
.metrics-sections {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.metric-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.card-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bg-tertiary);
}

.card-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.ticker {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Metrics */
.metrics-section {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--bg-tertiary);
}

.metrics-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.metrics-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 16px;
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.metric-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
}

.metric-value.positive {
    color: var(--accent-green);
}

.metric-value.negative {
    color: var(--accent-red);
}

/* Canvas */
canvas {
    width: 100%;
    height: auto;
    display: block;
}

/* Mobile */
@media (max-width: 600px) {
    form {
        flex-direction: column;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 20px 16px;
    }
}