:root {
    --umber: #2C1810;
    --ink: #3D2B1F;
    --sidebar-bg: #FFF8F0;
    --main-bg: #FEF3E8;
    --sienna: #C4673A;
    --amber: #E8943A;
    --rose: #D4727A;
    --gold: #F2B56B;
    --terra: #E8C4A8;
    --crimson: #B8423A;
    --shadow: #1A110C;
    --parchment: #FFF0E0;
    --faded-terra: #A0785C;
    --font-hand: 'Caveat', cursive;
    --font-body: 'Libre Baskerville', Georgia, serif;
    --font-mono: 'Courier Prime', monospace;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--main-bg);
    color: var(--ink);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===================== SIDEBAR ===================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    background-color: var(--sidebar-bg);
    background-image: repeating-linear-gradient(
        transparent,
        transparent 27px,
        rgba(232, 196, 168, 0.3) 27px,
        rgba(232, 196, 168, 0.3) 28px
    );
    border-right: 1px solid var(--terra);
    z-index: 100;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.4s ease-out;
}

.sidebar.visible {
    transform: translateX(0);
}

.sidebar-inner {
    padding: 2.5rem 1.8rem;
}

.sidebar-eye {
    display: block;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.sidebar-title {
    font-family: var(--font-hand);
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--ink);
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.sidebar-link {
    font-family: var(--font-hand);
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--ink);
    text-decoration: none;
    position: relative;
    display: inline-block;
    padding-bottom: 3px;
    transition: color 0.2s ease;
}

.sidebar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--rose);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.sidebar-link:hover {
    color: var(--sienna);
}

.sidebar-link:hover::after,
.sidebar-link.active::after {
    transform: scaleX(1);
}

.sidebar-link.active {
    color: var(--sienna);
}

.sidebar-annotation {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-note {
    font-family: var(--font-hand);
    font-size: 0.85rem;
    color: rgba(160, 120, 92, 0.8);
    display: block;
    line-height: 1.3;
}

/* ===================== MOBILE TOGGLE ===================== */

.mobile-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 200;
    background: rgba(255, 248, 240, 0.9);
    border: 1px solid var(--terra);
    border-radius: 4px;
    padding: 6px 8px;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

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

.content {
    margin-left: 0;
    position: relative;
    transition: margin-left 0.4s ease-out;
}

.content.shifted {
    margin-left: 280px;
}

/* ===================== HERO ===================== */

.wiki-hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 2rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-color: var(--umber);
    background-image:
        radial-gradient(ellipse at 30% 40%, rgba(232, 148, 58, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 60%, rgba(196, 103, 58, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(44, 24, 16, 0.6) 0%, transparent 100%);
    filter: blur(0.5px);
    transition: opacity 1.5s ease;
    opacity: 0;
}

.hero-bg.revealed {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(44, 24, 16, 0.3) 0%,
        rgba(232, 148, 58, 0.15) 40%,
        rgba(254, 243, 232, 0.6) 100%
    );
    mix-blend-mode: multiply;
}

.hero-title {
    font-family: var(--font-hand);
    font-weight: 700;
    font-size: clamp(2.5rem, 6vw, 5rem);
    color: var(--sidebar-bg);
    line-height: 1.2;
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-title .char.revealed {
    opacity: 1;
    transform: translateY(0);
}

.hero-subtitle {
    font-family: var(--font-hand);
    font-weight: 400;
    font-size: 1.3rem;
    color: var(--gold);
    opacity: 0;
    position: relative;
    z-index: 2;
    text-align: center;
    transition: opacity 0.6s ease;
}

.hero-subtitle.revealed {
    opacity: 0.6;
}

/* ===================== INK BLOT DIVIDER ===================== */

.ink-blot-divider {
    width: 40%;
    max-width: 300px;
    height: 14px;
    margin: 0 auto;
    background: radial-gradient(
        ellipse at center,
        var(--sienna) 0%,
        rgba(196, 103, 58, 0.3) 50%,
        transparent 100%
    );
    border-radius: 50%;
    opacity: 0.5;
    animation: inkPulse 4s ease-in-out infinite alternate;
}

@keyframes inkPulse {
    0% { opacity: 0.4; }
    100% { opacity: 0.7; }
}

/* ===================== WIKI ENTRIES ===================== */

.wiki-entry {
    min-height: 80vh;
    max-width: 780px;
    padding: 80px clamp(1.5rem, 5vw, 4rem) 80px calc(clamp(1.5rem, 5vw, 4rem) + 15%);
    position: relative;
    margin-left: 0;
}

.entry-margin {
    position: absolute;
    left: clamp(0.5rem, 2vw, 2rem);
    top: 100px;
    width: 90px;
}

.margin-note {
    font-family: var(--font-hand);
    font-size: 0.85rem;
    color: rgba(160, 120, 92, 0.8);
    display: block;
    line-height: 1.3;
}

.entry-content {
    position: relative;
}

.entry-heading {
    font-family: var(--font-hand);
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--ink);
    margin-bottom: 1.8rem;
    line-height: 1.2;
    position: relative;
    display: inline-block;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.entry-heading.revealed {
    opacity: 1;
    transform: translateY(0);
}

.entry-heading::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--sienna);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
}

.entry-heading.underlined::after {
    transform: scaleX(1);
}

.entry-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.75;
    color: var(--ink);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.entry-body.revealed {
    opacity: 1;
    transform: translateY(0);
}

.inline-ref {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: var(--parchment);
    border-bottom: 1px solid #D4956A;
    padding: 1px 4px;
}

/* ===================== FLOATING ELEMENTS ===================== */

.floating-element {
    position: absolute;
    right: -60px;
    top: 50%;
    opacity: 0;
    pointer-events: none;
}

.floating-element.active {
    opacity: 1;
}

.float-anim-1 {
    animation: floatY1 7s ease-in-out infinite, floatR1 11s ease-in-out infinite;
}

.float-anim-2 {
    animation: floatY2 6s ease-in-out infinite, floatR2 10s ease-in-out infinite;
}

.float-anim-3 {
    animation: floatY3 8s ease-in-out infinite, floatR3 12s ease-in-out infinite;
}

@keyframes floatY1 {
    0%, 100% { transform: translateY(-8px); }
    50% { transform: translateY(8px); }
}

@keyframes floatR1 {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

@keyframes floatY2 {
    0%, 100% { transform: translateY(-6px); }
    50% { transform: translateY(6px); }
}

@keyframes floatR2 {
    0%, 100% { transform: rotate(-2deg); }
    50% { transform: rotate(2deg); }
}

@keyframes floatY3 {
    0%, 100% { transform: translateY(-7px); }
    50% { transform: translateY(7px); }
}

@keyframes floatR3 {
    0%, 100% { transform: rotate(-2.5deg); }
    50% { transform: rotate(2.5deg); }
}

/* ===================== FOOTER ===================== */

.wiki-footer {
    padding: 4rem 2rem;
    text-align: center;
}

.footer-text {
    font-family: var(--font-hand);
    font-size: 1rem;
    color: var(--faded-terra);
    opacity: 0.7;
}

/* ===================== RESPONSIVE ===================== */

@media (min-width: 769px) {
    .mobile-toggle {
        display: none;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .sidebar {
        width: 100%;
        height: auto;
        bottom: auto;
        max-height: 70vh;
        transform: translateY(-100%);
        border-right: none;
        border-bottom: 1px solid var(--terra);
    }

    .sidebar.visible {
        transform: translateY(0);
    }

    .content {
        margin-left: 0;
    }

    .content.shifted {
        margin-left: 0;
    }

    .wiki-entry {
        margin-left: 0;
        padding: 50px clamp(1.5rem, 5vw, 4rem);
        min-height: 60vh;
    }

    .entry-margin {
        position: relative;
        left: auto;
        top: auto;
        width: auto;
        margin-bottom: 1rem;
    }

    .floating-element {
        display: none;
    }

    .hero-title {
        font-size: clamp(2.2rem, 8vw, 3.5rem);
    }
}

@media (max-width: 480px) {
    .entry-body {
        font-size: 1rem;
    }

    .entry-heading {
        font-size: 1.8rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .wiki-entry {
        padding: 40px 1.2rem;
    }
}