:root {
    --bg-color: #16213E;
    --primary-text: #F0F0F0;
    --accent-gold: #FFD700;
    --font-ui: 'Inter', sans-serif;
    --font-wordmark: 'IBM Plex Sans', sans-serif;
    --navbar-height: 64px;
}

html {
    overflow-y: scroll;
}


body {
    background-color: var(--bg-color);
    color: var(--primary-text);
    font-family: var(--font-ui);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 1rem;
}

.navbar {
    /*background-color: rgba(0,0,0,0.2);*/
    /*padding-block: 1rem;*/
    /*position: sticky;*/
    /*inset-block-start: 0;*/
    /*z-index: 100;*/
    /*height: var(--navbar-height);*/
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /*height: var(--navbar-height);*/
}

.navbar-brand {
    font-family: var(--font-wordmark);
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--accent-gold);
    text-decoration: none;
}

.nav-links a, .auth-links a {
    color: var(--primary-text);
    text-decoration: none;
    margin-inline-start: 1.5rem;
    font-weight: 400;
    transition: color 0.2s;
}

.nav-links a:hover, .auth-links a:hover {
    color: var(--accent-gold);
}

.auth-links {
    display: flex;
    align-items: center;
}

.btn-logout {
    background: none;
    border: none;
    color: var(--primary-text);
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 1rem;
    margin-inline-start: 1.5rem;
    padding: 0;
}

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

main {
    padding-block: 2rem 4rem;
}

.footer {
    padding-block: 2rem;
    border-block-start: 1px solid rgba(240, 240, 240, 0.1);
    font-size: 0.875rem;
    text-align: center;
    opacity: 0.7;
}

/* Identity UI overrides */
.form-group {
    margin-block-end: 1rem;
}

input[type="text"], input[type="email"], input[type="password"] {
    width: 100%;
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(240, 240, 240, 0.2);
    color: var(--primary-text);
    border-radius: 4px;
}


/* Codex Page Styles */
#codexNav {
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    text-overflow: ellipsis;
}

.prose h1, .prose h2, .prose h3 {
    scroll-margin-block-start: calc(var(--navbar-height) + 6rem);
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--bg-color);
    border: none;
    padding-block: 0.75rem;
    padding-inline: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    border-radius: 4px;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #e6c200;
    color: var(--bg-color);
}

.btn-sm {
    padding-block: 0.4rem;
    padding-inline: 0.8rem;
    font-size: 0.875rem;
}


/* Home Page Styles */
/* 3D Flip Card specific (Keep for Home page) */
.flip-card {
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 800ms;
    position: relative;
}

.flip-container:hover .flip-card {
    cursor: pointer;
    transform: rotateX(180deg) rotateZ(-180deg);
}

.flip-front,
.flip-back {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.flip-back {
    transform: rotateX(180deg) rotateZ(-180deg);
}

/* Content Swap Card specific (Keep for Home page) */
.swap-card {
    position: relative;
    width: 100%;
    max-width: 600px;
    min-height: 220px;
    margin-inline: auto;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,215,0,0.2);
}

.swap-front, .swap-back {
    position: absolute;
    inset: 0;
    padding: 1.5rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.swap-front {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.4s ease;
}

.swap-card:hover .swap-front {
    opacity: 0;
    transform: translateY(-20px);
}

.swap-back {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.swap-card:hover .swap-back {
    opacity: 1;
    transform: translateY(0);
}

.swap-card:hover {
    cursor: pointer;
}


.culture-select {
    background-color: #16213E;
    color: #F0F0F0;
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 4px;
    padding-block: 0.25rem;
    padding-inline: 0.5rem;
}

.culture-select option {
    background-color: #16213E;
    color: #F0F0F0;
}