/* ============================================
   SIDEBAR NAVIGATION - Modern Dark Theme
   ============================================ */

:root {
    /* ---- Sidebar ---- */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --sidebar-bg: #0f1419;
    --sidebar-border: rgba(255, 255, 255, 0.06);
    --sidebar-item-hover: rgba(255, 255, 255, 0.06);
    --sidebar-item-active-bg: rgba(59, 130, 246, 0.12);
    --sidebar-item-active-border: #3b82f6;
    --sidebar-text: #8b949e;
    --sidebar-text-hover: #e6edf3;
    --sidebar-text-active: #e6edf3;
    --sidebar-group-label: #484f58;
    --sidebar-icon-size: 20px;
    --sidebar-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --topbar-height: 56px;

    /* ---- Global Site Theme ---- */
    --color-bg-primary: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #1c2128;
    --color-bg-card: #161b22;
    --color-bg-input: #0d1117;
    --color-bg-hover: rgba(255, 255, 255, 0.04);
    --color-bg-elevated: #1c2128;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.12);
    --color-text-primary: #e6edf3;
    --color-text-secondary: #8b949e;
    --color-text-muted: #484f58;
    --color-text-link: #58a6ff;
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-success: #3fb950;
    --color-success-bg: rgba(63, 185, 80, 0.12);
    --color-danger: #f85149;
    --color-danger-bg: rgba(248, 81, 73, 0.12);
    --color-warning: #d29922;
    --color-warning-bg: rgba(210, 153, 34, 0.15);
    --color-info: #58a6ff;
    --color-info-bg: rgba(88, 166, 255, 0.1);
    --color-buy: #3fb950;
    --color-sell: #f85149;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Roboto Mono', 'Fira Code', monospace;
    --content-bg: var(--color-bg-primary);
}

/* ---- Sidebar Container ---- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    z-index: 1100;
    transition: width var(--sidebar-transition), transform var(--sidebar-transition);
    overflow: hidden;
}

/* ---- Sidebar Header (Logo + Collapse) ---- */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    min-height: 64px;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-logo img {
    height: 28px;
    width: auto;
    flex-shrink: 0;
}

.sidebar-logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #e6edf3;
    letter-spacing: -0.02em;
    opacity: 1;
    transition: opacity var(--sidebar-transition);
}

.sidebar-collapse-btn {
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
    background: var(--sidebar-item-hover);
    color: var(--sidebar-text-hover);
}

.sidebar-collapse-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

/* ---- Sidebar Navigation ---- */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.08) transparent;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ---- Nav Group ---- */
.sidebar-group {
    margin-bottom: 8px;
}

.sidebar-group-label {
    display: flex;
    align-items: center;
    padding: 8px 20px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sidebar-group-label);
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--sidebar-transition);
}

/* ---- Nav Item ---- */
.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    margin: 2px 10px;
    border-radius: 8px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    position: relative;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    overflow: hidden;
}

.sidebar-item:hover {
    background: var(--sidebar-item-hover);
    color: var(--sidebar-text-hover);
}

.sidebar-item.active {
    background: var(--sidebar-item-active-bg);
    color: var(--sidebar-text-active);
    border-left-color: var(--sidebar-item-active-border);
    font-weight: 600;
}

.sidebar-item.active .sidebar-item-icon {
    color: var(--sidebar-item-active-border);
}

/* ---- Nav Item Icon ---- */
.sidebar-item-icon {
    width: var(--sidebar-icon-size);
    height: var(--sidebar-icon-size);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.sidebar-item-icon svg,
.sidebar-item-icon i {
    width: var(--sidebar-icon-size);
    height: var(--sidebar-icon-size);
    font-size: var(--sidebar-icon-size);
}

/* Broker logo images in sidebar */
.sidebar-broker-logo {
    width: var(--sidebar-icon-size);
    height: var(--sidebar-icon-size);
    object-fit: contain;
    border-radius: 4px;
}

/* ---- Nav Item Text ---- */
.sidebar-item-text {
    opacity: 1;
    transition: opacity var(--sidebar-transition);
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Beta tag for experimental features */
.beta-tag {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    color: white;
    font-size: 0.55rem;
    font-weight: 600;
    padding: 0.15rem 0.35rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-left: 0.4rem;
    vertical-align: middle;
}

/* ---- Sidebar Footer ---- */
.sidebar-footer {
    border-top: 1px solid var(--sidebar-border);
    padding: 12px 10px;
    flex-shrink: 0;
}

.sidebar-footer .sidebar-item {
    margin: 2px 0;
}

/* ---- Sidebar Tooltip (collapsed mode) ---- */
.sidebar-tooltip {
    display: none;
    position: absolute;
    left: calc(var(--sidebar-collapsed-width) + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: #2d333b;
    color: #e6edf3;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    z-index: 9999;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-tooltip::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: #2d333b;
    border-left: none;
}

/* ============================================
   TOP BAR (replaces old full-width nav)
   ============================================ */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--sidebar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1050;
    transition: left var(--sidebar-transition);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-title {
    font-size: 1rem;
    font-weight: 600;
    color: #e6edf3;
}

.topbar-center {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ---- Market Status Indicator ---- */
.market-status {
    display: flex;
    align-items: center;
    gap: 20px;
}

.market-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
}

.market-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--color-text-muted);
}

.market-dot.open {
    background: var(--color-success);
    box-shadow: 0 0 6px rgba(63, 185, 80, 0.5);
}

.market-dot.pre-open {
    background: var(--color-warning);
    box-shadow: 0 0 6px rgba(210, 153, 34, 0.5);
}

.market-dot.closed {
    background: var(--color-text-muted);
}

.market-dot.holiday {
    background: var(--color-danger);
    box-shadow: 0 0 6px rgba(248, 81, 73, 0.4);
}

.market-label {
    color: var(--color-text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
}

.market-state {
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.market-clock {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    padding-left: 12px;
    border-left: 1px solid var(--color-border);
}

@media (max-width: 768px) {
    .topbar-center {
        display: none;
    }
}

/* Mobile hamburger in topbar */
.topbar-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.topbar-menu-btn:hover {
    background: var(--sidebar-item-hover);
    color: var(--sidebar-text-hover);
}

.topbar-menu-btn svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.main-wrapper {
    margin-left: var(--sidebar-width);
    padding-top: var(--topbar-height);
    min-height: 100vh;
    transition: margin-left var(--sidebar-transition);
    background: var(--content-bg);
}

/* ============================================
   COLLAPSED STATE (Desktop)
   ============================================ */
body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
}

body.sidebar-collapsed .sidebar-logo-text {
    opacity: 0;
    width: 0;
}

body.sidebar-collapsed .sidebar-logo img {
    display: none;
}

body.sidebar-collapsed .sidebar-group-label {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

body.sidebar-collapsed .sidebar-item {
    justify-content: center;
    padding: 12px 0;
    margin: 2px 8px;
    border-left-color: transparent;
}

body.sidebar-collapsed .sidebar-item.active {
    border-left-color: transparent;
    position: relative;
}

body.sidebar-collapsed .sidebar-item.active::after {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 3px;
    background: var(--sidebar-item-active-border);
    border-radius: 0 3px 3px 0;
}

body.sidebar-collapsed .sidebar-item-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

body.sidebar-collapsed .sidebar-item:hover .sidebar-tooltip {
    display: block;
}

body.sidebar-collapsed .sidebar-collapse-btn svg {
    transform: rotate(180deg);
}

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

body.sidebar-collapsed .main-wrapper {
    margin-left: var(--sidebar-collapsed-width);
}

/* ============================================
   MOBILE OVERLAY
   ============================================ */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1090;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.visible {
    display: block;
    opacity: 1;
}

/* ============================================
   RESPONSIVE: TABLET & MOBILE
   ============================================ */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
        box-shadow: none;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 8px 0 24px rgba(0, 0, 0, 0.4);
    }

    /* Always show hamburger on mobile */
    .topbar-menu-btn {
        display: flex;
    }

    /* Hide collapse button on mobile */
    .sidebar-collapse-btn {
        display: none;
    }

    /* Topbar takes full width on mobile */
    .topbar {
        left: 0;
    }

    /* Content takes full width on mobile */
    .main-wrapper {
        margin-left: 0;
    }

    /* Override collapsed state on mobile */
    body.sidebar-collapsed .topbar {
        left: 0;
    }

    body.sidebar-collapsed .main-wrapper {
        margin-left: 0;
    }

    body.sidebar-collapsed .sidebar {
        width: var(--sidebar-width);
        transform: translateX(-100%);
    }

    body.sidebar-collapsed .sidebar.mobile-open {
        transform: translateX(0);
    }

    /* Restore text visibility in mobile sidebar */
    body.sidebar-collapsed .sidebar.mobile-open .sidebar-logo-text,
    body.sidebar-collapsed .sidebar.mobile-open .sidebar-item-text {
        opacity: 1;
        width: auto;
    }

    body.sidebar-collapsed .sidebar.mobile-open .sidebar-group-label {
        opacity: 1;
        height: auto;
        padding: 8px 20px 6px;
    }

    body.sidebar-collapsed .sidebar.mobile-open .sidebar-item {
        justify-content: flex-start;
        padding: 10px 18px;
        margin: 2px 10px;
    }
}

@media (max-width: 768px) {
    .topbar {
        padding: 0 12px;
        height: 52px;
    }

    .main-wrapper {
        padding-top: 52px;
    }

    :root {
        --topbar-height: 52px;
    }
}

/* ============================================
   NOTIFICATION BELL (in topbar)
   ============================================ */
.topbar .notification-wrapper {
    position: relative;
    margin-left: 0;
}

.topbar .notification-bell {
    position: relative;
    cursor: pointer;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sidebar-text);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar .notification-bell:hover {
    color: var(--sidebar-text-hover);
    background: rgba(255, 255, 255, 0.08);
}

/* ============================================
   LOGOUT BUTTON (in topbar)
   ============================================ */
.topbar .logout-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 8px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.04);
}

.topbar .logout-button:hover {
    color: #f87171;
    background: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.2);
}

.topbar .logout-button .logout-icon {
    width: 16px;
    height: 16px;
}

/* ============================================
   SIDEBAR MOBILE CLOSE BUTTON
   ============================================ */
.sidebar-close-btn {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    z-index: 10;
    transition: all 0.2s ease;
}

.sidebar-close-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #f87171;
}

.sidebar-close-btn svg {
    width: 22px;
    height: 22px;
}

@media (max-width: 992px) {
    .sidebar-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ============================================
   BADGE / COUNTER ON NAV ITEMS
   ============================================ */
.sidebar-item-badge {
    margin-left: auto;
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    line-height: 1.3;
    flex-shrink: 0;
}

/* ============================================
   PRINT: hide sidebar
   ============================================ */
@media print {
    .sidebar,
    .topbar,
    .sidebar-overlay {
        display: none !important;
    }

    .main-wrapper {
        margin-left: 0 !important;
        padding-top: 0 !important;
    }
}