:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --background: #0f172a;
    --surface: #1e293b;
    --surface-light: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border: #334155;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Animated gradient background */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.05;
    z-index: 0;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Header */
.header {
    position: relative;
    z-index: 10;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 0.75rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    color: white;
}

.logo-text h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 10;
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
    width: 100%;
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Card */
.card {
    background: var(--surface);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.badge {
    background: var(--surface-light);
    color: var(--text-secondary);
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--border);
}

/* Input Group */
.input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.ticker-input {
    flex: 1;
    background: var(--background);
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    transition: all 0.2s;
}

.ticker-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.ticker-input::placeholder {
    color: var(--text-muted);
}

.add-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 0.75rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.add-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.add-btn:active {
    transform: translateY(0);
}

/* Ticker List */
.ticker-list-container {
    min-height: 80px;
    background: var(--background);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

.ticker-choice-display {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    min-height: 48px;
    align-items: center;
}

.empty-state {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

.ticker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Generate Button */
.generate-report-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--secondary), #059669);
    color: white;
    border: none;
    border-radius: 0.75rem;
    padding: 1.125rem 2rem;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Inter', sans-serif;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.generate-report-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
}

.generate-report-btn:active:not(:disabled) {
    transform: translateY(-1px);
}

.generate-report-btn:disabled {
    background: var(--surface-light);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

/* Loading Panel */
.loading-panel {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--surface-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1.5rem;
}

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

.loading-panel p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 500;
}

/* Output Panel */
.output-panel {
    display: none;
    margin-top: 2rem;
    animation: fadeIn 0.5s ease-out;
}

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

.report-card {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
}

.report-content {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

.report-content p {
    margin-bottom: 1rem;
    white-space: pre-wrap;
}

.new-report-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--surface-light);
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
    margin-top: 1.5rem;
}

.new-report-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.new-report-btn:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .add-btn {
        width: 100%;
        justify-content: center;
    }
}