/* Tight, Consolidated Color Palette */
:root {
    --bg-main: #f9f9f9;                
    --bg-sidebar: #0a0a0a;             
    --sidebar-text-inactive: #e5e5e5;  
    --sidebar-label: #777777;          
    --sidebar-hover: #141414;          
    --text-dark: #0a0a0a;              
    --text-muted: #555555;             
    --accent-gold: #f3b318;            
    --border-color: #e5e5e5;           
    --sidebar-border: #1a1a1a;         
    --card-bg: #ffffff;                
    --radius: 4px;                     
}

/* Base Typographic Overrides */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    height: 100vh;
    overflow: hidden; /* Maintained for fixed desktop dashboard display panels */
}

h1, h2, h3, h4, .nav-item, .stream-btn {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

.placeholder-box, .chapter-number, .chapter-desc-placeholder, .stream-action {
    font-family: 'Space Mono', monospace;
}

/* --- PORTAL LANDING PAGE --- */
.portal-container {
    height: 100vh;
    width: 100vw;
    background-color: var(--bg-sidebar);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    overflow-y: auto; 
    
    /* Updated Background Image Asset */
    background-image: linear-gradient(rgba(10, 10, 10, 0.85), rgba(10, 10, 10, 0.85)), url('robotphoto.jpg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
}

.portal-card {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

.portal-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 32px auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.portal-title {
    font-size: 2.5rem;
    letter-spacing: -0.5px;
    color: #ffffff;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.portal-subtitle {
    font-size: 1.05rem;
    color: #e5e5e5;
    line-height: 1.6;
    max-width: 750px;
    margin: 0 auto 48px auto;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.stream-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portal-stream-card {
    background: rgba(15, 15, 15, 0.75); 
    backdrop-filter: blur(4px);          
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid #222222;
    padding: 32px 24px;
    border-radius: var(--radius);
    color: #ffffff;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.portal-stream-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    background: rgba(20, 20, 20, 0.9);
}

.stream-icon {
    font-size: 2rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.portal-stream-card h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
}

.stream-action {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-gold);
}

/* --- APP INTERFACE SIDEBAR --- */
.sidebar {
    width: 270px;
    background-color: var(--bg-sidebar);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--sidebar-border);
    flex-shrink: 0;
    height: 100%;
    min-height: 100vh;
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--sidebar-border);
}

.logo-container {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.home-icon-btn {
    background: transparent;
    border: 1px solid var(--accent-gold); 
    color: var(--accent-gold);           
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.home-icon-btn:hover {
    background-color: var(--accent-gold);
    color: var(--bg-sidebar);
}

.nav-menu {
    flex: 1;
    overflow-y: auto;
    padding: 24px 16px;
}

.sidebar-divider {
    height: 1px;
    background-color: var(--sidebar-border);
    margin: 16px 12px 20px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 14px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--sidebar-text-inactive); 
    text-align: left;
    font-size: 0.85rem;
    border-radius: var(--radius);
    cursor: pointer;
    margin-bottom: 8px;
    font-weight: 500;
    transition: background-color 0.1s ease, color 0.1s ease;
}

.nav-item i {
    width: 16px;
    color: var(--accent-gold); 
    transition: color 0.1s ease;
}

.nav-item:hover {
    background-color: var(--sidebar-hover);
    color: #ffffff;
}

.nav-item:hover i {
    color: #ffffff; 
}

.nav-item.active {
    background-color: var(--accent-gold); 
    border: 1px solid var(--accent-gold);
    color: var(--bg-sidebar);            
    font-weight: 700;
}

.nav-item.active i {
    color: var(--bg-sidebar);             
}

/* --- CONTAINER MAIN WORKSPACE --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-header {
    height: 70px;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 40px;
    flex-shrink: 0;
}

.stream-selector {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scrollbar-width: none; 
}

.stream-selector::-webkit-scrollbar {
    display: none;
}

.stream-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.stream-btn:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.stream-btn.active {
    background-color: var(--bg-sidebar);
    color: #ffffff;
    border-color: var(--bg-sidebar);
}

.content-body {
    flex: 1;
    overflow-y: auto;
    padding: 40px;
}

.view-section {
    display: none;
}

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

/* --- CONTENT PANEL COPY STYLES --- */
.welcome-card {
    background-color: var(--bg-sidebar);
    color: #ffffff;
    padding: 32px;
    border-radius: var(--radius);
    margin-bottom: 32px;
    border-left: 4px solid var(--accent-gold);
}

.welcome-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.welcome-card p {
    color: #cccccc;
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 900px;
}

.grid-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 0.85rem;
    background-color: var(--bg-sidebar); 
    color: var(--accent-gold);          
    padding: 10px 14px;
    border-left: 3px solid var(--accent-gold); 
    border-radius: var(--radius);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-header i {
    color: var(--accent-gold); 
}

.chapter-header-card {
    background-color: var(--bg-sidebar);
    color: #ffffff;
    padding: 32px;
    border-radius: var(--radius);
    margin-bottom: 32px;
    border-left: 4px solid var(--accent-gold);
}

.chapter-number {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 4px;
}

.chapter-header-card h3 {
    font-size: 1.4rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chapter-desc-placeholder {
    font-size: 0.85rem;
    color: #8e8e8e;
    margin-top: 10px;
    font-style: italic;
}

.placeholder-box {
    background-color: #ffffff;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.85rem;
    text-align: center;
}

/* ==========================================================================
   ⚡ RESPONSIVE QUERIES & MOBILE UNFREEZERS
   ========================================================================== */

@media (max-width: 1024px) {
    .grid-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 768px) {
    body {
        height: auto;
        overflow: auto; 
    }

    .portal-container {
        position: relative;    
        height: auto;          
        min-height: 100vh;     
        width: 100vw;
        padding: 48px 16px;    
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start; 
        overflow-y: visible;   
        background-attachment: scroll; 
    }

    .portal-card {
        padding: 0;
        margin: 0 auto;
    }

    .portal-logo {
        width: 100px;           
        height: 100px;
        margin-bottom: 24px;
    }

    .portal-title {
        font-size: 1.8rem;
    }

    .portal-subtitle {
        font-size: 0.95rem;
        margin-bottom: 36px;
    }

    .stream-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        width: 100%;
    }

    .portal-stream-card {
        padding: 28px 16px;
        width: 100%;
    }

    .app-container {
        flex-direction: column;
        overflow-y: visible;
        height: auto;
    }

    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--sidebar-border);
        min-height: auto; 
    }

    .sidebar-header {
        padding: 16px;
    }

    .nav-menu {
        padding: 12px 16px;
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        gap: 8px;
        align-items: center;
        scrollbar-width: none;
    }

    .nav-menu::-webkit-scrollbar {
        display: none;
    }

    .sidebar-divider {
        display: none; 
    }

    .chapters-list {
        display: flex;
        gap: 8px;
    }

    .nav-item {
        margin-bottom: 0;
        white-space: nowrap;
        width: auto;
        padding: 8px 14px;
        font-size: 0.8rem;
    }

    .nav-item.active {
        border-left: 1px solid var(--accent-gold); 
        border-top: 2px solid var(--accent-gold);
    }

    .main-content {
        height: auto;
        overflow: visible;
    }

    .content-header {
        padding: 0 16px;
        height: 60px;
    }

    .content-body {
        padding: 20px 16px;
    }

    .welcome-card, .chapter-header-card {
        padding: 24px 16px;
        margin-bottom: 20px;
    }

    .card {
        padding: 16px;
        margin-bottom: 16px;
    }
}