/* Bloomberg Terminal Inspired Styles */
/* Navigation Tabs */
.main-nav {
    display: flex;
    gap: 2rem;
    background: #1a1a1a;
    padding: 1rem 2rem;
    border-bottom: 2px solid #FF6600;
    font-family: 'JetBrains Mono', monospace;
    align-items: center;
}
.nav-tab {
    color: #FF6600;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
    font-size: 16px;
}
.nav-tab:hover, .nav-tab.active {
    background: #222;
    color: #fff;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: #0a0a0a;
    color: #FF6600;
    overflow-x: hidden;
    line-height: 1.4;
}

.terminal-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

/* Header Styles */
.terminal-header {
    background: linear-gradient(90deg, #1a1a1a 0%, #2a2a2a 100%);
    border-bottom: 2px solid #FF6600;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 255, 0, 0.3);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.terminal-title {
    font-size: 18px;
    font-weight: 700;
    color: #FF6600;
    text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
    letter-spacing: 1px;
}

.terminal-subtitle {
    font-size: 12px;
    color: #888;
    font-weight: 300;
}

.timestamp {
    font-size: 14px;
    color: #FF6600;
    font-weight: 500;
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    min-height: 0;
}

.left-panel, .right-panel {
    flex: 1;
    padding: 20px;
    border-right: 1px solid #333;
}

.right-panel {
    border-right: none;
}

.panel-header {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #333;
}

.panel-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: #FF6600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Form Styles */
.options-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 12px;
    font-weight: 500;
    color: #ccc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    background-color: #1a1a1a;
    border: 1px solid #333;
    color: #FF6600;
    padding: 10px 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #FF6600;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
    background-color: #2a2a2a;
}

.form-group input::placeholder {
    color: #666;
}

.calculate-btn {
    background: linear-gradient(135deg, #FF6600 0%, #FF8C00 100%);
    color: #000;
    border: none;
    padding: 15px 30px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.calculate-btn:hover {
    background: linear-gradient(135deg, #FF8C00 0%, #FF6600 100%);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
    transform: translateY(-2px);
}

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

/* Results Container */
.results-container {
    background-color: #1a1a1a;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 20px;
    min-height: 300px;
}

.no-data {
    color: #666;
    font-style: italic;
    text-align: center;
    padding: 40px 20px;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.result-item {
    background-color: #2a2a2a;
    padding: 15px;
    border-radius: 4px;
    border-left: 3px solid #FF6600;
}

.result-label {
    font-size: 12px;
    color: #ccc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.result-value {
    font-size: 18px;
    font-weight: 600;
    color: #FF6600;
}

.result-value.negative {
    color: #ff4444;
}

.result-value.positive {
    color: #FF6600;
}

/* Delta Hedging Section */
.delta-hedging-section {
    background-color: #1a1a1a;
    border-top: 2px solid #333;
    padding: 20px;
}

.hedging-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.strategy-selector {
    flex: 0 0 300px;
}

.strategy-selector label {
    display: block;
    font-size: 12px;
    color: #ccc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.strategy-selector select {
    width: 100%;
    background-color: #2a2a2a;
    border: 1px solid #333;
    color: #FF6600;
    padding: 10px 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    border-radius: 4px;
}

.hedging-results {
    flex: 1;
    background-color: #2a2a2a;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 20px;
    min-height: 200px;
}

.hedging-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.hedge-item {
    background-color: #1a1a1a;
    padding: 15px;
    border-radius: 4px;
    border-left: 3px solid #FF6600;
}

.hedge-label {
    font-size: 12px;
    color: #ccc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.hedge-value {
    font-size: 14px;
    color: #FF6600;
    line-height: 1.5;
}

.hedge-value.positive {
    color: #FF6600;
}

.hedge-value.negative {
    color: #ff4444;
}

/* Footer */
.terminal-footer {
    background-color: #1a1a1a;
    border-top: 1px solid #333;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #888;
}

.status-indicator {
    color: #FF6600;
    font-weight: 600;
}

.status-indicator.error {
    color: #ff4444;
}

.status-indicator.loading {
    color: #ffaa00;
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #333;
    border-radius: 50%;
    border-top-color: #FF6600;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
        margin-top: 0.5rem !important;
    }
    .hedging-content {
        flex-direction: column;
    }
    .strategy-selector {
        flex: none;
    }
    .results-grid {
        grid-template-columns: 1fr;
    }
    .hedging-info {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Selection Styling */
::selection {
    background-color: #FF6600;
    color: #000;
}

/* Focus Styles */
input:focus,
select:focus,
button:focus {
    outline: 2px solid #FF6600;
    outline-offset: 2px;
}