/* ========================================
   Global Variables & Theme
   ======================================== */
:root {
    /* Premium Dark Theme Colors */
    --bg-color: #0f1115;
    --panel-bg: #161b22;
    --border-color: #30363d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    --success-color: #238636;
    --danger-color: #da3633;
    --warning-color: #d29922;

    /* Typography Scale */
    --text-micro:  0.625rem;   /* 10px — 超密集标签/角标 */
    --text-xs:     0.75rem;    /* 12px — Badge/次要辅助文字 */
    --text-sm:     0.8125rem;  /* 13px — 弱化正文/摘要 */
    --text-base:   0.9375rem;  /* 15px — 标准正文 */
    --text-md:     1rem;       /* 16px — 强调正文/表头 */
    --text-lg:     1.25rem;    /* 20px — 面板标题 */
    --text-xl:     1.5rem;     /* 24px — 页面标题 */
    --text-2xl:    2.5rem;     /* 40px — 装饰性大字/图标 */

    /* Line Height */
    --leading-tight:   1.25;
    --leading-normal:  1.5;
    --leading-relaxed: 1.65;

    /* Layout */
    --header-height: 60px;
    --subnav-height: 48px;
    --panel-radius: 8px;
    --spacing: 16px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-variant-numeric: tabular-nums;
    min-height: 100vh;
    overflow-y: auto;
}

/* ========================================
   Global Navigation Bar
   ======================================== */
.global-nav {
    height: var(--header-height);
    background-color: rgba(22, 27, 34, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    gap: 16px;
}

.global-nav .logo {
    font-size: var(--text-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.global-nav .logo a {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 8px;
}

.global-nav .nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.global-nav .nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: var(--text-base);
    transition: all 0.2s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* SVG icon alignment in nav links */
.nav-icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
    flex-shrink: 0;
}

.logout-icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
}

.global-nav .nav-menu a:hover {
    color: var(--text-primary);
    background-color: rgba(88, 166, 255, 0.1);
}

.global-nav .nav-menu a.active {
    color: var(--accent-color);
    background-color: rgba(88, 166, 255, 0.15);
    font-weight: 500;
}

.global-nav .nav-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.global-nav .market-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-sm);
    white-space: nowrap;
}

.global-nav .status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-secondary);
}

.global-nav .status-indicator.active {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.global-nav .refresh-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    white-space: nowrap;
}

.global-nav .refresh-btn:hover:not(:disabled) {
    background-color: #4a8fd9;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(88, 166, 255, 0.3);
}

.global-nav .refresh-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.global-nav .refresh-timer {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

.global-nav .date-picker-group {
    display: flex;
    align-items: center;
    background-color: rgba(88, 166, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.global-nav .date-picker-group:hover {
    border-color: var(--accent-color);
    background-color: rgba(88, 166, 255, 0.1);
}

.global-nav .latest-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-right: 1px solid var(--border-color);
    padding: 6px 12px;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.global-nav .latest-btn:hover {
    color: var(--text-primary);
    background-color: rgba(88, 166, 255, 0.1);
}

.global-nav .latest-btn.active {
    background-color: var(--accent-color);
    color: white;
}

.global-nav .nav-date-input {
    background-color: transparent;
    color: var(--text-primary);
    border: none;
    padding: 5px 10px;
    font-size: var(--text-sm);
    cursor: pointer;
    outline: none;
    font-family: inherit;
}

/* Custom calendar icon color for Chrome/Edge */
.global-nav .nav-date-input::-webkit-calendar-picker-indicator {
    filter: invert(0.8) sepia(100%) saturate(1000%) hue-rotate(180deg);
    cursor: pointer;
}

.global-nav .nav-date-input:focus {
    box-shadow: inset 0 0 0 1px var(--accent-color);
}

/* User info in nav */
.global-nav .user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--border-color);
}

.global-nav .user-badge {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
}

.global-nav .user-badge.admin {
    color: #d29922;
    background: rgba(210, 153, 34, 0.1);
    border: 1px solid rgba(210, 153, 34, 0.2);
}

.global-nav .logout-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--text-xs);
    padding: 4px 6px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.global-nav .logout-btn:hover {
    background: rgba(218, 54, 51, 0.15);
    color: var(--danger-color);
}

/* ========================================
   Sub Navigation (Module Navigation)
   ======================================== */
.sub-nav {
    height: var(--subnav-height);
    background-color: rgba(22, 27, 34, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 12px;
    position: sticky;
    top: var(--header-height);
    z-index: 999;
    overflow-x: auto;
    overflow-y: hidden;
}

.sub-nav::-webkit-scrollbar {
    height: 4px;
}

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

.sub-nav::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.sub-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: var(--text-sm);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.sub-nav a:hover {
    color: var(--text-primary);
    background-color: rgba(88, 166, 255, 0.1);
}

.sub-nav a.active {
    color: var(--accent-color);
    background-color: rgba(88, 166, 255, 0.15);
    font-weight: 500;
}

/* ========================================
   Common Components
   ======================================== */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dashboard-grid {
    padding: var(--spacing);
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
    max-width: 1800px;
    margin: 0 auto;
    width: 100%;
}

.panel-container {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--panel-radius);
    overflow: hidden;
}

.panel-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.02);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h2 {
    font-size: var(--text-md);
    font-weight: 500;
    color: var(--text-primary);
}

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

/* ========================================
   Responsive Design
   ======================================== */

/* Mobile Layout (max-width: 768px) - Multi-row navigation + Auto-hide */
@media (max-width: 768px) {
    :root {
        /* Typography Scaled Up for Mobile */
        --text-xs:     0.8125rem;  /* 12px → 13px */
        --text-sm:     0.875rem;   /* 13px → 14px */
        --text-base:   1rem;       /* 15px → 16px */
        --text-md:     1.0625rem;  /* 16px → 17px */
        --text-lg:     1.375rem;   /* 20px → 22px */
        --text-xl:     1.625rem;   /* 24px → 26px */
        
        /* Increase header height to accommodate 2 rows */
        --header-height: 100px;
    }

    .global-nav {
        flex-wrap: wrap;
        height: auto;
        min-height: var(--header-height);
        padding: 8px 12px;
        align-content: flex-start;
        /* Auto-hide transition */
        transition: transform 0.3s ease;
    }

    /* When nav-hidden class is applied, slide the nav out of view */
    .global-nav.nav-hidden {
        transform: translateY(-100%);
    }

    .sub-nav {
        /* Auto-hide transition - sub-nav follows global-nav */
        transition: transform 0.3s ease;
    }

    .sub-nav.nav-hidden {
        transform: translateY(calc(-100% - var(--header-height)));
    }

    .global-nav .logo {
        flex: 1;
        order: 1;
        min-width: 0;
        /* Allow flex shrink */
    }

    .global-nav .nav-controls {
        order: 2;
        flex-shrink: 0;
    }

    .global-nav .nav-menu {
        order: 3;
        width: 100%;
        margin-top: 8px;
        justify-content: flex-start;
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 4px;
        /* Scrollbar styling */
        scrollbar-width: thin;
        scrollbar-color: var(--border-color) transparent;
    }

    .global-nav .nav-menu::-webkit-scrollbar {
        height: 4px;
    }

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

    .global-nav .nav-menu::-webkit-scrollbar-thumb {
        background: var(--border-color);
        border-radius: 2px;
    }

    /* Ensure sub-nav sticks below the taller global nav */
    .sub-nav {
        top: var(--header-height);
    }

    /* ── Edge-to-Edge: 去嵌套优化 ── */
    .dashboard-grid {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }

    .panel-container {
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

/* Tablet Layout (769px - 900px) */
@media (min-width: 769px) and (max-width: 900px) {
    .global-nav {
        padding: 0 12px;
        gap: 8px;
    }

    .global-nav .logo {
        font-size: var(--text-md);
    }

    .global-nav .nav-menu {
        gap: 4px;
    }

    .global-nav .nav-menu a {
        padding: 4px 8px;
        font-size: var(--text-sm);
    }

    .sub-nav {
        padding: 0 12px;
        gap: 8px;
    }
}

@media (max-width: 600px) {

    .global-nav .refresh-timer,
    .global-nav .status-text {
        display: none;
    }

    .global-nav .refresh-btn {
        padding: 4px 10px;
        font-size: var(--text-xs);
    }

    .global-nav .latest-btn {
        padding: 6px 8px;
        font-size: var(--text-xs);
    }

    .global-nav .nav-date-input {
        padding: 5px 4px;
        width: 40px;
        /* Only show the icon on very small screens */
    }

    .global-nav .nav-date-input::-webkit-datetime-edit {
        display: none;
    }


    .dashboard-grid {
        padding: 8px 0;
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
        padding-bottom: max(12px, env(safe-area-inset-bottom));
        gap: 12px;
    }
}

/* Safe Area support for all viewports */
body {
    padding-top: env(safe-area-inset-top);
}

/* ========================================
   Accessibility Helpers
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}