/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --bg: #0a0a0a;
    --bg-card: #111111;
    --bg-hover: #1a1a1a;
    --bg-input: #0d0d0d;
    --text: #ffffff;
    --text-dim: #888888;
    --accent: #00b5e2;
    --accent-dim: rgba(0, 181, 226, 0.1);
    --success: #22c55e;
    --error: #ef4444;
    --font: "Space Mono", monospace;
    --transition-fast: 0.15s ease;
    --container-padding: clamp(20px, 5vw, 60px);
}

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

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-dim);
    line-height: 1.6;
    min-height: 100vh;
    text-transform: lowercase;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.accent {
    color: var(--accent);
}

/* ============================================
   LOGIN SCREEN
   ============================================ */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    text-align: center;
    max-width: 320px;
    width: 100%;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.login-desc {
    font-size: 14px;
    margin-bottom: 32px;
}

.login-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    margin-bottom: 12px;
    transition: border-color var(--transition-fast);
}

.login-input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-btn {
    width: 100%;
    padding: 14px 18px;
    background: var(--accent);
    color: var(--bg);
    font-size: 13px;
    font-weight: 700;
    border-radius: 8px;
    transition: opacity var(--transition-fast);
}

.login-btn:hover {
    opacity: 0.9;
}

.login-error {
    color: var(--error);
    font-size: 12px;
    margin-top: 12px;
    min-height: 18px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px var(--container-padding);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav__logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.nav__section {
    color: var(--text-dim);
    font-weight: 400;
}

.nav__logout {
    font-size: 13px;
    color: var(--text-dim);
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.nav__logout:hover {
    background: var(--bg-hover);
    color: var(--text);
}

/* ============================================
   LAYOUT
   ============================================ */
.layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 65px);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    padding: 24px;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--bg-card);
}

.sidebar__section {
    margin-bottom: 24px;
}

.sidebar__title {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-dim);
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.sidebar__link {
    display: block;
    font-size: 13px;
    color: var(--text-dim);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 4px;
    transition: all var(--transition-fast);
}

.sidebar__link:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.sidebar__link.active {
    background: var(--accent-dim);
    color: var(--accent);
}

/* ============================================
   CONTENT
   ============================================ */
.content {
    padding: 40px;
    max-width: 800px;
    overflow-y: auto;
}

.loading {
    color: var(--text-dim);
    font-size: 14px;
}

/* ============================================
   MARKDOWN STYLES
   ============================================ */
.doc-content h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    text-transform: none;
}

.doc-content h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-top: 32px;
    margin-bottom: 12px;
    text-transform: none;
}

.doc-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-top: 24px;
    margin-bottom: 8px;
    text-transform: none;
}

.doc-content p {
    margin-bottom: 16px;
    text-transform: none;
}

.doc-content ul,
.doc-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
    text-transform: none;
}

.doc-content li {
    margin-bottom: 8px;
}

.doc-content code {
    font-family: var(--font);
    font-size: 13px;
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
}

.doc-content pre {
    background: var(--bg-input);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 16px;
    text-transform: none;
}

.doc-content pre code {
    background: none;
    padding: 0;
    color: var(--text);
}

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
    text-transform: none;
}

.doc-content th,
.doc-content td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.doc-content th {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-dim);
}

.doc-content a {
    color: var(--accent);
    transition: opacity var(--transition-fast);
}

.doc-content a:hover {
    opacity: 0.8;
}

.doc-content hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 32px 0;
}

.doc-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--text-dim);
    font-style: italic;
    text-transform: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .content {
        padding: 24px;
    }
}