/* SMC Trading System - Unified Dashboard Styles
 * Dark theme optimized for trading environments with sidebar navigation
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Base colors */
    --bg-primary: #0f0f10;
    --bg-secondary: #1a1a1d;
    --bg-tertiary: #222225;
    --bg-hover: #2a2a2e;
    --bg-sidebar: #13131a;

    /* Text colors */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    /* Accent colors */
    --accent-primary: #3b82f6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --accent-info: #06b6d4;

    /* Border colors */
    --border-color: #2e2e32;
    --border-light: #3a3a3f;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Layout */
    --sidebar-width: 240px;
    --sidebar-collapsed-width: 70px;
    --header-height: 70px;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========================================
   Login Modal
   ======================================== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.login-header .subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
}

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

.oauth-divider {
    text-align: center;
    margin: var(--spacing-lg) 0;
    position: relative;
}

.oauth-divider::before,
.oauth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border-color);
}

.oauth-divider::before {
    left: 0;
}

.oauth-divider::after {
    right: 0;
}

.oauth-divider span {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0 var(--spacing-md);
    background: var(--bg-secondary);
}

.error-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--accent-danger);
    border-radius: var(--radius-sm);
    color: var(--accent-danger);
    font-size: 0.85rem;
    display: none;
}

.error-message:not(:empty) {
    display: block;
}

/* ========================================
   Dashboard Layout
   ======================================== */
.dashboard {
    display: flex;
    min-height: 100vh;
}

.dashboard.hidden {
    display: none;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    transition: width 0.3s ease;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-logo {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    transition: opacity 0.3s ease;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    transition: all 0.3s ease;
}

.sidebar-toggle:hover span {
    background: var(--accent-primary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all 0.2s ease;
    cursor: pointer;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--accent-primary) 0%, #2563eb 100%);
    color: white;
}

.nav-icon {
    font-size: 1.25rem;
    min-width: 24px;
    text-align: center;
}

.nav-label {
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* ========================================
   Main Content Area
   ======================================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* ========================================
   Header
   ======================================== */
.dashboard-header {
    height: var(--header-height);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-left h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.status-indicator {
    font-size: 0.85rem;
    color: var(--accent-success);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

#currentTime {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* ========================================
   View Containers
   ======================================== */
.view-container {
    display: none;
    padding: var(--spacing-lg);
    animation: fadeIn 0.3s ease;
}

.view-container.active {
    display: block;
}

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

/* ========================================
   Control Panel
   ======================================== */
.control-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.form-inline .form-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0;
}

.form-inline label {
    margin-bottom: 0;
    white-space: nowrap;
}

/* ========================================
   Stats Grid
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.2s ease;
}

.stat-card:hover {
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2rem;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
    margin-top: var(--spacing-xs);
}

/* ========================================
   Win Rate Hero
   ======================================== */
.win-rate-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.hero-content {
    text-align: center;
    color: white;
}

.hero-label {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-value {
    font-size: 3.5rem;
    font-weight: 800;
    margin: var(--spacing-md) 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    font-family: var(--font-mono);
}

.hero-stats {
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.95;
}

/* ========================================
   Progress Bar
   ======================================== */
.progress-bar {
    background: rgba(255, 255, 255, 0.2);
    height: 14px;
    border-radius: 7px;
    overflow: hidden;
    margin: var(--spacing-lg) 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-fill {
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    height: 100%;
    width: 0%;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

/* ========================================
   Layout Helpers
   ======================================== */
.two-column-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Panels
   ======================================== */
.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.panel:hover {
    box-shadow: var(--shadow-md);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   Sections
   ======================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-section,
.positions-section,
.signals-section,
.structure-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

/* ========================================
   Charts
   ======================================== */
.chart-container {
    position: relative;
    height: 400px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.chart-container canvas {
    max-height: 100%;
}

/* ========================================
   Lists
   ======================================== */
.positions-list,
.signals-list,
.structure-info,
.alerts-list {
    max-height: 500px;
    overflow-y: auto;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.help-text {
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

/* ========================================
   Metrics Grid
   ======================================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.metric-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all 0.2s ease;
}

.metric-card:hover {
    background: var(--bg-hover);
    transform: translateY(-2px);
}

.metric-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: var(--spacing-xs);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* ========================================
   Badges
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    background: var(--accent-primary);
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: white;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

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

.btn-primary:hover {
    background: #2563eb;
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.btn-warning:hover {
    background: #d97706;
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-google {
    background: white;
    color: #333;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-google:hover {
    background: #f8f8f8;
}

/* ========================================
   Settings & Forms
   ======================================== */
.settings-form {
    max-width: 500px;
}

.alert-config label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm) 0;
}

.alert-config input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ========================================
   Loading States
   ======================================== */
.loading-state,
.loading-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.loading-indicator {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
    flex-direction: column;
    gap: var(--spacing-md);
}

.loading-indicator.hidden {
    display: none;
}

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

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

/* ========================================
   Notifications
   ======================================== */
.notification-toast {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    min-width: 300px;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
}

.notification-toast.show {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden {
    display: none !important;
}

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

.text-primary {
    color: var(--accent-primary);
}

.text-success {
    color: var(--accent-success);
}

.text-warning {
    color: var(--accent-warning);
}

.text-danger {
    color: var(--accent-danger);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========================================
   Selection
   ======================================== */
::selection {
    background: var(--accent-primary);
    color: white;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
    .two-column-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0;
        --sidebar-collapsed-width: 0;
    }

    .sidebar {
        width: 0;
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        width: var(--sidebar-width);
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .dashboard-header {
        padding: 0 var(--spacing-md);
    }

    .header-left h2 {
        font-size: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-value {
        font-size: 2.5rem;
    }

    .view-container {
        padding: var(--spacing-md);
    }

    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }

    .form-inline .form-group {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: var(--spacing-lg);
    }
}