/* ==========================================================================
   LAYOUT.CSS - Page Structure, Skeleton & Containers
   ========================================================================== */

body {
    background: var(--bg);
    color: var(--gold-muted);
    font-family: var(--font-serif);
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(5, 6, 7, 0.96) 0%, rgba(5, 6, 7, 0.82) 36%, rgba(5, 6, 7, 0.42) 74%, rgba(5, 6, 7, 0.26) 100%),
        linear-gradient(180deg, rgba(5, 6, 7, 0.44) 0%, rgba(5, 6, 7, 0.72) 100%),
        url("/assets/images/backgrounds/fractured-starfield-v2-1600.jpg");
    background-position: center center;
    background-size: cover;
    opacity: 1;
    filter: saturate(0.9) contrast(1.04) brightness(1.05);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: url("/assets/images/backgrounds/fractured-starfield-v2-1600.jpg") right center / cover no-repeat;
    opacity: 0.22;
    filter: saturate(0.95) contrast(1.18) brightness(1.08);
    mask-image: linear-gradient(90deg, transparent 0%, transparent 48%, rgba(0, 0, 0, 0.28) 68%, rgba(0, 0, 0, 0.72) 100%);
}

/* --- GLOBAL LINK RESET --- */
a,
a:visited {
    color: inherit;
    text-decoration: none;
}

/* --- SKELETON & LAYOUT --- */
.container {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}

/* --- SIDEBAR --- */
.sidebar {
    order: 1;
    /* Sidebar appears first visually (main is order 2) */
    width: 260px;
    min-width: 260px;
    max-width: 260px;
    border-right: 1px solid rgba(91, 80, 56, 0.78);
    background:
        linear-gradient(90deg, rgba(5, 6, 7, 0.58), rgba(5, 6, 7, 0.42)),
        linear-gradient(180deg, rgba(215, 207, 184, 0.045), rgba(0, 0, 0, 0.04)),
        url("/assets/images/backgrounds/sidebar-archive-plate-900.jpg") right center / 142% 100% no-repeat,
        var(--panel-bg);
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 10px 0 32px rgba(0, 0, 0, 0.42);
    transition: all 0.3s ease;
    position: relative;
    isolation: isolate;
}

.sidebar::before {
    content: "";
    position: absolute;
    inset: 0 0 0 auto;
    width: 46px;
    pointer-events: none;
    z-index: 0;
    background:
        linear-gradient(90deg, transparent, rgba(199, 168, 106, 0.08)),
        linear-gradient(180deg, transparent 0 18%, rgba(137, 185, 189, 0.1) 18.1% 18.25%, transparent 18.4% 100%);
    opacity: 0.85;
}

.sidebar>* {
    position: relative;
    z-index: 1;
}

/* --- SIDEBAR LOGO --- */
.sidebar-logo {
    display: block;
    /* CHANGE THIS VALUE to make it smaller */
    max-width: 50px;
    /* Was 80px */

    margin: 0 auto 15px auto;
    /* Centers it horizontally */

    /* Gold logo - no grayscale */
    opacity: 0.9;
    transition: all 0.3s ease;
}

.brand {
    margin-bottom: 20px;
}

.logo {
    font-size: 1.28rem;
    font-weight: bold;
    color: var(--gold);
    letter-spacing: 1px;
}

.status {
    font-size: 0.78rem;
    color: var(--dim-gold);
    margin-top: 5px;
}

.sidebar-footer {
    margin-top: auto;
    font-size: 0.78rem;
    color: var(--dim-gold);
    padding-top: 20px;
}

/* --- MAIN CONTENT AREA --- */
.content-frame {
    order: 2;
    flex-grow: 1;
    padding: 60px 5%;
    overflow-y: auto;
    scroll-behavior: smooth;
    position: relative;
    background:
        radial-gradient(circle at 92% 8%, rgba(137, 185, 189, 0.055) 0, transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.008), rgba(0, 0, 0, 0));
}

.content-frame::before {
    content: "◢";
    position: absolute;
    top: 20px;
    left: 20px;
    color: var(--dim-gold);
    opacity: 0.3;
    font-size: 1.5rem;
}

.content-frame::after {
    content: "◣";
    position: absolute;
    bottom: 20px;
    right: 20px;
    color: var(--dim-gold);
    opacity: 0.3;
    font-size: 1.5rem;
    position: fixed;
    /* Keep it in the corner */
}

.document {
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 100px;
}

/* --- HEADERS --- */
header {
    width: 100%;
    text-align: center;
    margin-bottom: 60px;
}

.page-library .story-header,
.page-library header .line {
    max-width: var(--story-measure);
    margin-left: auto;
    margin-right: auto;
}

.page-archive .story-header,
.page-archive header .line {
    max-width: var(--story-measure);
    margin-left: auto;
    margin-right: auto;
}

.page-library .reading-meta {
    justify-content: center;
}

.line {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(137, 185, 189, 0.36), rgba(199, 168, 106, 0.3), transparent);
    opacity: 0.75;
    margin-top: 20px;
}

/* --- COLLAPSED SIDEBAR STATE --- */
.sidebar.collapsed {
    width: 60px;
    min-width: 60px;
    max-width: 60px;
    padding: 15px 5px;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed .brand {
    margin: 64px 0 16px;
}

.sidebar.collapsed .home-link {
    display: flex;
    justify-content: center;
}

.sidebar.collapsed .sidebar-logo {
    max-width: 32px;
    margin: 0 auto;
    opacity: 0.82;
}

.sidebar.collapsed .logo,
.sidebar.collapsed .status,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-footer,
.sidebar.collapsed .signal-uplink {
    display: none;
}

.sidebar.collapsed .ledger-list {
    display: grid;
    gap: 8px;
    margin-top: 6px !important;
}

.sidebar.collapsed .sidebar-nav {
    display: grid;
    gap: 12px;
    margin-top: 6px;
}

.sidebar.collapsed .nav-group-label {
    display: none;
}

.sidebar.collapsed .nav-group--archive {
    padding-top: 12px;
    border-top: 1px solid rgba(137, 185, 189, 0.28);
}

/* Show icons when collapsed */
.sidebar.collapsed .nav-icon {
    display: block;
    width: 40px;
    height: 40px;
    margin: 20px auto;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.sidebar.collapsed .nav-icon img {
    transition: all 0.3s ease;
}

.sidebar.collapsed .nav-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}

.sidebar.collapsed .nav-section {
    display: block;
    margin: 0;
    padding: 0;
}

/* Ensure uplink icon shows (its container is usually hidden in expanded) */
.sidebar.collapsed .uplink-section .nav-icon {
    display: block;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--dim-gold);
    border-radius: 4px;
    border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}