/**
 * TCS Trading Certification System - Main Stylesheet
 */

:root {
    --bg-dark: #121212;
    --bg-panel: #1e1e1e;
    --bg-header: #2d2d2d;
    --bg-input: #2a2a2a;
    --text-main: #e0e0e0;
    --text-muted: #888;
    --text-dimmed: #666;
    --accent: #007acc;
    --accent-hover: #005f9e;
    --accent-light: #4da6ff;
    --border: #333;
    --border-light: #444;
    --up-color: #ff4d4d;   /* 台股紅漲 */
    --down-color: #00cc66; /* 台股綠跌 */
    --success: #00cc66;
    --warning: #ffaa00;
    --error: #ff4d4d;
    --shadow: rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
}

/* Typography */
h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    border-left: 4px solid var(--accent);
    padding-left: 12px;
}

h3 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-success {
    background-color: var(--success);
    color: white;
}

.btn-error {
    background-color: var(--error);
    color: white;
}

.btn-secondary {
    background-color: var(--bg-panel);
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--bg-header);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-main);
    font-size: 0.95rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-select {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-main);
    font-size: 0.95rem;
    cursor: pointer;
}

/* Cards */
.card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.card-body {
    padding: 10px 0;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    background-color: var(--bg-header);
    font-weight: 600;
    color: var(--accent-light);
}

.table tr:hover {
    background-color: var(--bg-header);
}

/* Loading */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background-color: rgba(0, 204, 102, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background-color: rgba(255, 77, 77, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-warning {
    background-color: rgba(255, 170, 0, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background-color: var(--bg-panel);
    border-radius: 8px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 40px var(--shadow);
}

.modal-header {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-dimmed { color: var(--text-dimmed); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }
.text-up { color: var(--up-color); }
.text-down { color: var(--down-color); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.hidden { display: none !important; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .modal {
        width: 95%;
        padding: 20px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

/* Trading Room Styles */
.trading-room-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: #1e1e1e;
}

.trading-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: #252525;
    border-bottom: 1px solid #333;
}

.session-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.session-status {
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

.session-status.status-active {
    background-color: #4caf50;
    color: white;
}

.session-status.status-completed {
    background-color: #ff9800;
    color: white;
}

.session-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.price-info {
    display: flex;
    gap: 30px;
    align-items: center;
}

.current-price-box {
    text-align: center;
}

.price-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.current-price {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-main);
}

.price-change {
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 5px;
}

.price-up {
    color: var(--success);
}

.price-down {
    color: var(--danger);
}

.bid-ask-box {
    display: flex;
    gap: 20px;
}

.bid-ask-box .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-right: 8px;
}

.bid-price, .ask-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.account-info {
    display: flex;
    gap: 30px;
}

.account-item {
    text-align: center;
}

.account-item .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 5px;
}

.account-item .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-main);
}

.trading-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.trading-chart-panel {
    flex: 1;
    padding: 10px;
    background-color: #1e1e1e;
}

.trading-chart {
    width: 100%;
    height: 100%;
}

.trading-order-panel {
    width: 300px;
    background-color: #252525;
    border-left: 1px solid #333;
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 15px 20px;
    background-color: #2a2a2a;
    border-bottom: 1px solid #333;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-main);
}

.order-form {
    padding: 20px;
    overflow-y: auto;
}

.order-form .form-group {
    margin-bottom: 20px;
}

.order-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.order-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 25px;
}

.quick-actions {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #333;
}

.trading-bottom {
    display: flex;
    height: 250px;
    border-top: 1px solid #333;
}

.trading-positions,
.trading-orders {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #252525;
}

.trading-positions {
    border-right: 1px solid #333;
}

.table-container {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.notification-container .alert {
    margin-bottom: 10px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}