:root {
    /* Light Mode (Default) */
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --text-color: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;

    --primary: #4CAF50;
    --primary-dim: rgba(76, 175, 80, 0.1);
    --danger: #e74c3c;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.05);

    --header-bg: transparent;
    --toggle-bg: #e0e0e0;
    --toggle-icon: #f39c12;
    /* Sun */
}

[data-theme="dark"] {
    /* Dark Mode (Cyberpunk/Modern) */
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #333333;

    --primary: #00e676;
    /* Brighter green */
    --primary-dim: rgba(0, 230, 118, 0.1);
    --danger: #ff5252;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);

    --header-bg: #1e1e1e;
    --toggle-bg: #333333;
    --toggle-icon: #f1c40f;
    /* Moon-ish */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
    /* Smooth transition */
}

/* --- APP SHELL LAYOUT --- */
body,
html {
    height: 100%;
    margin: 0;
    overflow: hidden;
}

#app-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

#main-content {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    /* REMOVED GLOBAL PADDING for per-view control */
    padding-bottom: 60px;
    position: relative;
    z-index: 1;
}

/* Generalized View Padding */
.view {
    padding: 0 20px;
}

/* History View: No Padding for Edge-to-Edge Sticky Header */
#view-charts {
    padding: 0;
}

/* Header */
#main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--header-bg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 20;
    height: 60px;
    box-sizing: border-box;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
    /* Increased gap for better spacing */
}



/* --- CHIP SELECTOR (Feature 012) --- */
.chip-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.chip {
    padding: 8px 16px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: var(--shadow);
}

.chip:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.chip.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 2px 5px rgba(76, 175, 80, 0.4);
}

/* --- STICKY HEADER WRAPPER (Feature 012 Refresh) --- */
.sticky-header-wrapper {
    position: sticky;
    top: 0;
    /* Sticks to true top (0px) now that padding is gone */
    z-index: 1000;
    background-color: var(--bg-color);

    /* Edges */
    margin: 0;
    padding: 15px 20px 15px 20px;
    /* Internal spacing only */
    width: 100%;
    /* Full width */
    box-sizing: border-box;

    border-bottom: 2px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Chips inside header: Remove bottom margin as wrapper handles spacing */
.chip-container {
    margin-bottom: 0px;
    padding: 0 10px;
    /* Internal padding */
}

/* Controls inside header: Clean up old sticky props */
.charts-controls {
    position: static;
    /* No longer sticky itself */
    top: auto;
    z-index: auto;
    background-color: transparent;
    border-bottom: none;
    box-shadow: none;
    padding: 5px 10px;
    margin-bottom: 0;

    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}

/* Mobile Adjustments for Wrapper */
@media (max-width: 768px) {
    .sticky-header-wrapper {
        top: 0;
        padding-top: 15px;
    }
}

/* Button Alignment */
#chart-filter-btn {
    height: auto;
    padding: 8px 20px;
    margin-left: 0;
    /* Remove auto/margin to keep close */
    flex: 0 0 auto;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .charts-controls {
        top: 0;
        /* Mobile: Header scrolls away (usually), or is bottom bar. Top is 0 relative to viewport/content */
        padding: 10px 10px;
        /* Add internal padding */
    }
}


.date-inputs {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    /* Force single line on desktop */
    gap: 15px;
    align-items: center;
    width: auto;
    /* Don't take full width if not needed */
}

.input-group {
    display: flex;
    flex-direction: row;
    /* Label next to input */
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.input-group label {
    font-weight: 500;
    white-space: nowrap;
}

/* Adjust button to align */
#chart-filter-btn {
    height: auto;
    padding: 8px 20px;
    margin-left: 10px;
    flex: 0 0 auto;
}

@media (max-width: 600px) {
    .charts-controls {
        top: 0;
        flex-direction: column;
        align-items: stretch;
    }

    .date-inputs {
        flex-wrap: wrap;
        /* Allow wrapping on mobile */
        justify-content: space-between;
        width: 100%;
    }

    .input-group {
        flex: 1 1 45%;
        /* Share width */
    }

    .input-group input {
        width: 100%;
    }

    #chart-filter-btn {
        margin-left: 0;
        width: 100%;
        margin-top: 10px;
    }
}


#main-header h1 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

/* Hamburger: Hidden on Mobile (User wants Bottom Bar), Visible on Desktop */
#menu-toggle {
    display: none;
}

.icon-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    padding: 5px;
    border-radius: 5px;
}

.icon-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* --- NAVIGATION: HYBRID APPROACH --- */

/* MOBILE DEFAULT: Bottom Navigation Bar */
#main-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: 100;
    /* Reset Sidebar properties if any leaked */
    transform: none;
    border-right: none;
}

.nav-content {
    display: flex;
    flex-direction: row;
    /* Horizontal for Bottom Bar */
    justify-content: space-around;
    align-items: center;
    height: 100%;
    width: 100%;
    padding: 0;
}

.nav-item {
    display: flex;
    flex-direction: column;
    /* Icon top, Text bottom */
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 5px;
    flex: 1;
    gap: 2px;
    transition: color 0.2s;
    border-right: none;
    /* No borders on bottom bar items */
    background-color: transparent !important;
    /* No bg hover on mobile */
}

.nav-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-item.active {
    color: var(--primary);
    background-color: rgba(76, 175, 80, 0.1);
    /* Subtle green tint */
    border-right: 3px solid var(--primary);
    border: none;
    /* Remove Sidebar border */
}

.nav-icon {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.nav-label {
    display: block !important;
    /* Always show labels on mobile bottom bar */
}

/* Overlay for Mobile Drawer */
.overlay {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.overlay.visible {
    opacity: 1;
    pointer-events: auto;
}


/* --- VIEW LOGIC (SPA) --- */
.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

.view.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.placeholder-view {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.placeholder-view h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* Spin Animation for Sync */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.spinning {
    animation: spin 1s linear infinite;
}

/* --- DESKTOP LAYOUT (Media Query > 768px) --- */
@media (min-width: 768px) {

    /* Hide Hamburger on Desktop? No, user wants collapsible. 
       Let's keep Hamburger but change behavior. */

    #app-shell {
        flex-direction: row;
        /* Sidebar next to content */
    }

    #main-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        padding-left: 20px;
        /* Adjust for logo */
    }

    /* Show Hamburger on Desktop */
    #menu-toggle {
        display: block;
    }

    /* Transform to Sidebar */
    #main-nav {
        top: 60px;
        left: 0;
        bottom: auto;
        /* Unset bottom */
        height: calc(100vh - 60px);
        width: 60px;
        /* Default Collapsed Width */
        background-color: var(--card-bg);
        border-right: 1px solid var(--border-color);
        border-top: none;
        box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
        flex-direction: column;
        transition: width 0.3s ease;
    }

    .nav-content {
        flex-direction: column;
        /* Vertical for Sidebar */
        justify-content: flex-start;
        padding: 20px 0;
        width: 100%;
        height: auto;
    }

    .nav-item {
        flex-direction: row;
        /* Icon left, Text right */
        align-items: center;
        justify-content: flex-start;
        padding: 15px 0;
        /* Centered in collapsed mode */
        font-size: 1rem;
        gap: 15px;
        width: 100%;
        height: 50px;
        box-sizing: border-box;
    }

    /* Icon Centering in Collapsed Mode */
    .nav-icon {
        width: 60px;
        /* Full width of collapsed bar */
        text-align: center;
        font-size: 1.2rem;
        margin: 0;
        flex-shrink: 0;
    }

    /* Text Label handling */
    .nav-label {
        display: none !important;
        /* Hidden in closed state */
        white-space: nowrap;
        opacity: 0;
        transition: opacity 0.2s;
    }

    /* Hover effects Desktop */
    .nav-item:hover {
        background-color: rgba(0, 0, 0, 0.05) !important;
    }

    .nav-item.active {
        background-color: rgba(76, 175, 80, 0.1) !important;
        border-right: 3px solid var(--primary);
        color: var(--primary);
    }

    /* --- OPEN STATE (Desktop Toggle) --- */
    #main-nav.open {
        width: 250px;
    }

    #main-nav.open .nav-label {
        display: block !important;
        opacity: 1;
    }

    #main-nav.open .nav-icon {
        width: auto;
        /* Reset width */
        padding-left: 20px;
        /* Indent */
    }

    /* Content Margin */
    #main-content {
        margin-top: 60px;
        margin-left: 60px;
        /* Matches collapsed width */
        transition: margin-left 0.3s ease;
        padding-bottom: 20px;
        /* No bottom bar space needed */
    }

    #main-content.expanded-nav {
        margin-left: 250px;
    }

    /* Hide Overlay on Desktop */
    .overlay {
        display: none !important;
    }
}

/* --- UTILITIES --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    /* Optimised card size */
    gap: 20px;
    margin-bottom: 20px;
}

/* --- FLEXBOX LAYOUTS FOR CENTERED CARDS --- */

/* 1. Base Flex Settings for Card Containers */
/* 1. Base Flex Settings for Card Containers */
#status-container,
#temp-container,
#hum-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /* Centers orphans */
    gap: 15px;
    /* Reduced gap for better packing */
}

/* 2. Specific Card Widths & Grow Behavior */
#status-container .card {
    flex: 1 1 180px;
    /* Min width 180px */
    max-width: 280px;
    /* Prevent over-stretching */
}

#hum-container .card {
    flex: 1 1 200px;
    max-width: 350px;
}

/* 3. Temperature Container: Special Logic for 4 Items */
#temp-container .card {
    flex: 1 1 20%;
    /* Reduced to 20% to guarantee 4 fit */
    min-width: 100px;
    /* User preference: 100px min */
    max-width: 100%;
    /* User preference: Fill space */
}

/* Force 2-column layout on mobile/tablet (<767px) */
/* Changed to 767px to avoid conflict with min-width: 768px desktop rules */
@media (max-width: 767px) {

    #status-container,
    #temp-container,
    #hum-container {
        display: flex;
        /* Revert to Flex for centering */
        justify-content: center;
        /* Centered orphans */
        gap: 15px;
    }


    #status-container .card,
    #temp-container .card {
        flex: 0 0 calc(50% - 15px);
        /* 30px slack vs 15px gap = Safe */
        min-width: 0;
        /* Prevent content blowout */
        max-width: none;
    }

    /* Humidity Row: 3 cols (User Request) */
    #hum-container .card {
        flex: 0 0 calc(33.333% - 10px);
        /* 15px gap * 2 = 30px. (100% - 30px)/3 */
        min-width: 0;
        max-width: none;
    }


}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0px;
    padding: 15px 20px;
    background-color: var(--header-bg);
    /* Only visible in mobile or if set */
    border-radius: 12px;
}

h1 {
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    font-size: 1.5rem;
}

/* Theme Toggle Button */
#theme-toggle {
    background-color: var(--toggle-bg);
    color: var(--toggle-icon);
    border: none;
    font-size: 1.2rem;
    padding: 8px 12px;
    border-radius: 20px;
    /* Pill shape */
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-toggle:hover {
    filter: brightness(1.2);
    transform: scale(1.05);
}

button.action-btn {
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    box-shadow: var(--shadow);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

button.action-btn.primary {
    background-color: var(--primary);
    color: white;
    border: none;
}

button.action-btn.primary:hover {
    background-color: #43A047;
    /* 4CAF50 darkening slightly manually or just filter */
    filter: brightness(1.1);
}

button.action-btn.secondary {
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-color);
}


button:hover {
    background-color: #fafafa;
    transform: translateY(-1px);
}

.dashboard-section {
    margin-bottom: 40px;
}

.grid-container {
    display: grid;
    gap: 20px;
}

/* Temp Grid: 4 cols desktop */
.temp-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Hum Grid: 3 cols desktop */
.hum-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Status Grid: Flexible width */
.status-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: transform 0.2s, background-color 0.3s, box-shadow 0.3s;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border-color);
    box-sizing: border-box;
    /* Include padding in width calculation! */
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

/* Card Typography */
.card h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    /* Space between icon and text */
}

/* Ensure emoji icons are consistent size */
.card h3::first-letter {
    font-size: 1.2em;
    /* Slightly larger for the emoji */
}

.card .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1;
}

.card .unit {
    font-size: 1rem;
    color: var(--text-secondary);
    vertical-align: super;
}

/* Status dots */
.status-dot {
    height: 10px;
    width: 10px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
    flex-shrink: 0;
    /* Prevent shrinking in flex container */
}

.online .status-dot {
    background-color: var(--primary);
}

.offline .status-dot {
    background-color: var(--danger);
}

/* Compact Status Card */
.status-card {
    flex-direction: row;
    justify-content: flex-start;
    padding: 15px;
    gap: 10px;
}

.status-card .icon {
    font-size: 1.5rem;
}

.status-card .info {
    text-align: left;
}

.status-card .info h4 {
    margin: 0;
    font-size: 0.9rem;
}

.status-card .info p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Chart Section */
.charts-container {
    padding: 20px;
    /* Restore padding for content */
}

.chart-wrapper {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    height: auto;
    /* Allow grow for title + chart */
    margin-bottom: 50px;
    /* Space between charts */
}

.canvas-container {
    position: relative;
    height: 450px;
    width: 100%;
}

select {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
    margin-bottom: 10px;
}

/* Mobile Media Query */
@media (max-width: 600px) {
    .grid-container {
        grid-template-columns: 1fr;
        /* Full width cards */
    }
}

.placeholder-view {
    max-width: 800px;
    margin: 0 auto;
}

.settings-card {
    padding: 20px;
    margin-bottom: 0px;
    border-left: 5px solid var(--primary);
}

/* --- SETTINGS UI REFACTOR (Feature 019 / UX) --- */
details.settings-details {
    width: 100%;
    margin-top: 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--card-bg);
}

details.settings-details summary {
    padding: 15px 20px;
    background-color: rgba(0, 0, 0, 0.03);
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    /* Hide default arrow */
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
    user-select: none;
}

details.settings-details summary:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

details.settings-details summary::after {
    content: '+';
    font-size: 1.2rem;
    font-weight: bold;
}

details.settings-details[open] summary::after {
    content: '-';
}

.settings-content {
    padding: 20px;
}

.settings-group {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.settings-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.settings-label {
    flex: 0 0 120px;
    /* Fixed width label */
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.settings-input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
}

.settings-input:focus {
    outline: none;
    border-color: var(--primary);
}

.channel-row {
    display: flex;
    align-items: center;
    margin-top: 10px;
    margin-left: 20px;
    /* Indent channels */
    gap: 15px;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    .settings-row {
        flex-direction: column;
        align-items: stretch;
        gap: 5px;
    }

    .settings-label {
        flex: 0 0 auto;
        margin-bottom: 5px;
    }

    .channel-row {
        flex-direction: column;
        align-items: stretch;
        margin-left: 10px;
        /* Less indent on mobile */
        gap: 5px;
    }

    .channel-row span {
        margin-bottom: 5px;
        font-weight: 500;
        color: var(--text-secondary);
    }
}

/* --- MOBILE HEADER OVERRIDE (Fix Cascade) --- */
@media (max-width: 767px) {
    header {
        margin-bottom: 0px !important;
    }

    .view {
        padding-top: 0px;
    }
}

/* --- FEATURE 024-B: GALLINERO GUIDE --- */

.guide-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 60px);
    /* Fill available space */
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .guide-container {
        flex-direction: row;
        gap: 0;
    }
}

/* Sidebar (Menu) */
#guide-sidebar {
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
    width: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

@media (min-width: 768px) {
    #guide-sidebar {
        width: 300px;
        /* Fixed width sidebar on desktop */
        flex-shrink: 0;
    }
}

.guide-brand {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: var(--card-bg);
    /* Sticky header feel */
}

.guide-logo {
    font-size: 2rem;
}

.guide-brand h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--primary);
}

#guide-menu-list {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.guide-nav-item {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.guide-nav-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.guide-nav-item.active {
    background-color: var(--primary-dim);
    color: var(--primary);
    border-left: 3px solid var(--primary);
}

/* Content Area */
#guide-content-wrapper {
    flex: 1;
    overflow-y: auto;
    /* Scrollable content */
    padding: 0 20px 20px 20px;
    background-color: var(--bg-color);
    display: none;
    /* Hidden by default on mobile until selected */
}

@media (min-width: 768px) {
    #guide-content-wrapper {
        display: block !important;
        padding: 0px;
    }
}

#guide-content-area {
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.guide-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.guide-header h2 {
    font-size: 2rem;
    color: var(--primary);
    margin: 0;
}

/* Mobile Back Button */
.breadcrumb-back {
    display: block;
    width: 100%;
    padding: 15px;
    background: var(--card-bg);
    border: none;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    position: sticky;
    top: 0;
    z-index: 20;
}

.breadcrumb-back.hidden {
    display: none;
}

/* CONTENT STYLES */

/* Text */
.guide-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.guide-hero-img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 30px;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.guide-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    min-width: 600px;
}

.guide-table th,
.guide-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.guide-table th {
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.guide-table tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Catalog (Cards) */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.catalog-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.catalog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.catalog-card h3 {
    margin: 20px;
    color: var(--primary);
}

.catalog-details {
    padding: 0 20px 20px 20px;
}

.detail-block {
    margin-bottom: 15px;
}

.detail-block h4 {
    margin: 0 0 5px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.detail-block .val {
    font-size: 0.95rem;
}

/* Accordion */
.guide-accordion {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
}

.guide-accordion summary {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.02);
    list-style: none;
    /* Hide default triangle */
}

.guide-accordion summary::-webkit-details-marker {
    display: none;
}

.guide-accordion[open] summary {
    background-color: var(--primary-dim);
    color: var(--primary);
}

.accordion-content {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    line-height: 1.6;
}

/* Timeline */
.timeline-list {
    border-left: 2px solid var(--border-color);
    margin-left: 20px;
    padding-left: 30px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -39px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid var(--bg-color);
}

.month-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.task-list {
    padding-left: 20px;
}

.task-list li {
    margin-bottom: 8px;
}

/* Gallery */
.gallery-grid {
    column-count: 2;
    /* Masonry style */
    column-gap: 20px;
}

@media (min-width: 1024px) {
    .gallery-grid {
        column-count: 3;
    }
}

.gallery-item {
    margin: 0 0 20px 0;
    break-inside: avoid;
    background: var(--card-bg);
    padding: 10px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.gallery-item img {
    width: 100%;
    border-radius: 8px;
    display: block;
}

.gallery-item figcaption {
    margin-top: 10px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}