/**
 * INTERCEPT Layout Styles
 * Global layout structure: header, navigation, sidebar, main content
 * Requires: variables.css, base.css, components.css
 */

/* ============================================
   APP SHELL
   ============================================ */
.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ============================================
   GLOBAL HEADER
   ============================================ */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--space-4);
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-sm);
}

.app-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.6;
    pointer-events: none;
}

.app-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.app-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Logo */
.app-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--text-primary);
}

.app-logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.app-logo-text {
    display: flex;
    flex-direction: column;
}

.app-logo-title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    line-height: 1.2;
    color: var(--text-primary);
}

.app-logo-tagline {
    font-size: var(--text-xs);
    color: var(--text-dim);
}

/* Page title in header */
.app-header-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.app-header-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-left: var(--space-2);
}

/* Header utilities */
.header-utilities {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-clock {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.header-clock-label {
    font-size: var(--text-xs);
    color: var(--text-dim);
}

/* ============================================
   GLOBAL NAVIGATION
   ============================================ */
.app-nav {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--space-4);
    height: var(--nav-height);
    gap: var(--space-1);
    overflow-x: auto;
    position: relative;
}

.app-nav::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.5;
    pointer-events: none;
}

.app-nav::-webkit-scrollbar {
    height: 0;
}

/* Nav groups */
.nav-group {
    display: flex;
    align-items: center;
    position: relative;
}

/* Dropdown trigger */
.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.nav-dropdown-trigger.active {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

.nav-dropdown-arrow {
    width: 12px;
    height: 12px;
    transition: transform var(--transition-fast);
}

.nav-group.open .nav-dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown menu */
.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav-group.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

/* Nav items */
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

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

.nav-item.active {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

.nav-item-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Nav divider */
.nav-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 var(--space-2);
}

/* Nav utilities (right side) */
.nav-utilities {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
    padding-left: var(--space-4);
}

.nav-tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

/* ============================================
   MOBILE NAVIGATION
   ============================================ */
.mobile-nav {
    display: none;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-2) var(--space-3);
    overflow-x: auto;
    gap: var(--space-2);
    position: relative;
}

.mobile-nav::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.45;
    pointer-events: none;
}

.mobile-nav::-webkit-scrollbar {
    height: 0;
}

.mobile-nav-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.mobile-nav-btn:hover,
.mobile-nav-btn.active {
    background: var(--accent-cyan-dim);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* Hamburger button */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    padding: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.hamburger-btn.open span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.hamburger-btn.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.open span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ============================================
   CONTENT LAYOUTS
   ============================================ */

/* Main content with optional sidebar */
.content-wrapper {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar-section {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-section-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

/* Main content area */
.app-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.app-content-full {
    flex: 1;
    overflow: hidden;
    position: relative;
}

/* ============================================
   DASHBOARD LAYOUTS
   ============================================ */

/* Full-screen dashboard (maps, etc.) */
.dashboard-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    position: relative;
}

.dashboard-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.55;
    pointer-events: none;
}

.dashboard-header-logo {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.dashboard-header-logo span {
    font-size: var(--text-sm);
    font-weight: var(--font-normal);
    color: var(--text-dim);
    margin-left: var(--space-2);
}

.dashboard-main {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

.dashboard-map {
    flex: 1;
    position: relative;
}

.dashboard-sidebar {
    width: 320px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-3);
}

/* ============================================
   PAGE LAYOUTS
   ============================================ */
.page-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-6);
}

.page-header {
    margin-bottom: var(--space-6);
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.page-description {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media (max-width: 1024px) {
    .app-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: var(--z-fixed);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .app-sidebar.open {
        transform: translateX(0);
    }

    .dashboard-sidebar {
        width: 280px;
    }
}

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

    .mobile-nav {
        display: flex;
    }

    .hamburger-btn {
        display: flex;
    }

    .app-header {
        padding: 0 var(--space-3);
    }

    .app-logo-text {
        display: none;
    }

    .header-utilities {
        gap: var(--space-1);
    }

    .page-container {
        padding: var(--space-4);
    }

    .dashboard-sidebar {
        position: fixed;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: var(--z-fixed);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }

    .dashboard-sidebar.open {
        transform: translateX(0);
    }
}

/* ============================================
   OVERLAY (for mobile drawers)
   ============================================ */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.drawer-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   BACK LINK
   ============================================ */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--accent-cyan);
}

/* ============================================
   MODE NAVIGATION (from index.css)
   Used by nav.html partial across all pages
   ============================================ */

/* Mode Navigation Bar */
.mode-nav {
    display: none;
    background: var(--bg-secondary) !important; /* Explicit color - forced to ensure consistency */
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
    position: relative;
    z-index: 100;
}

.mode-nav::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.5;
    pointer-events: none;
}

@media (min-width: 1024px) {
    .mode-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        height: 44px;
    }
}

.mode-nav-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.mode-nav-label {
    font-size: 9px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-right: 8px;
    font-weight: 500;
}

.mode-nav-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 12px;
}

.mode-nav-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.mode-nav-btn .nav-icon {
    font-size: 14px;
}

.mode-nav-btn .nav-icon svg {
    width: 14px;
    height: 14px;
}

.mode-nav-btn .nav-label {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mode-nav-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.mode-nav-btn.active {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
}

.mode-nav-btn.active .nav-icon {
    filter: brightness(0);
}

.mode-nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--accent-cyan);
    border-radius: 4px;
    color: var(--accent-cyan);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-action-btn .nav-icon {
    font-size: 12px;
}

.nav-action-btn .nav-label {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-action-btn:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

/* Dropdown Navigation */
.mode-nav-dropdown {
    position: relative;
}

.mode-nav-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.mode-nav-dropdown-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.mode-nav-dropdown-btn .nav-icon {
    font-size: 14px;
}

.mode-nav-dropdown-btn .nav-icon svg {
    width: 14px;
    height: 14px;
}

.mode-nav-dropdown-btn .nav-label {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mode-nav-dropdown-btn .dropdown-arrow {
    font-size: 8px;
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.mode-nav-dropdown-btn .dropdown-arrow svg {
    width: 10px;
    height: 10px;
}

.mode-nav-dropdown.open .mode-nav-dropdown-btn {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.mode-nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.mode-nav-dropdown.has-active .mode-nav-dropdown-btn {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    border-color: var(--accent-cyan);
}

.mode-nav-dropdown.has-active .mode-nav-dropdown-btn .nav-icon {
    filter: brightness(0);
}

.mode-nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    min-width: 180px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.15s ease;
    z-index: 1000;
    padding: 6px;
}

.mode-nav-dropdown.open .mode-nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mode-nav-dropdown-menu .mode-nav-btn {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 12px;
    border-radius: 4px;
    margin: 0;
}

.mode-nav-dropdown-menu .mode-nav-btn:hover {
    background: var(--bg-elevated);
}

.mode-nav-dropdown-menu .mode-nav-btn.active {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

/* Nav Bar Utilities (clock, theme, tools) */
.nav-utilities {
    display: none;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .nav-utilities {
        display: flex;
    }
}

.nav-clock {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    flex-shrink: 0;
    white-space: nowrap;
}

.nav-clock .utc-label {
    font-size: 9px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-clock .utc-time {
    color: var(--accent-cyan);
    font-weight: 600;
}

.nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
}

.nav-tools {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.nav-tool-btn {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 4px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.nav-tool-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--border-color);
    color: var(--accent-cyan);
}

.nav-tool-btn svg {
    width: 14px;
    height: 14px;
}

.nav-tool-btn .icon svg {
    width: 14px;
    height: 14px;
}

/* Theme toggle icon states in nav bar */
.nav-tool-btn .icon-sun,
.nav-tool-btn .icon-moon {
    position: absolute;
    transition: opacity 0.2s, transform 0.2s;
    font-size: 14px;
}

.nav-tool-btn .icon-sun {
    opacity: 0;
    transform: rotate(-90deg);
}

.nav-tool-btn .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="light"] .nav-tool-btn .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="light"] .nav-tool-btn .icon-moon {
    opacity: 0;
    transform: rotate(90deg);
}

/* Effects toggle icon states */
.nav-tool-btn .icon-effects-off {
    display: none;
}

[data-animations="off"] .nav-tool-btn .icon-effects-on {
    display: none;
}

[data-animations="off"] .nav-tool-btn .icon-effects-off {
    display: flex;
}