/* ==========================================================================
   webcrypto-interceptor - Technical Documentation & Terminal Workbench
   Aesthetic: Pure Brutalist Minimalist Developer Manual
   Zero AI generic tropes: no neon gradients, no rounded card kits,
   no fake mac dots, no centered marketing fluff.
   ========================================================================== */

:root {
    --bg-black: #000000;
    --bg-page: #060606;
    --bg-panel: #0d0d0d;
    --bg-panel-elevated: #141414;
    --bg-panel-hover: #181818;
    
    --border: #1e1e1e;
    --border-light: #2c2c2c;
    --border-focus: #444444;

    --text-white: #ffffff;
    --text-primary: #ededed;
    --text-secondary: #909090;
    --text-muted: #555555;
    --text-code: #dcdcdc;

    --terminal-green: #22c55e;
    --terminal-green-dim: rgba(34, 197, 94, 0.1);
    --terminal-amber: #eab308;
    --terminal-red: #ef4444;
    --terminal-blue: #3b82f6;

    --font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --header-h: 48px;
    --max-w: 1280px;
}

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

html {
    background: var(--bg-black);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-page);
    color: var(--text-primary);
}

a {
    color: var(--text-white);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--text-muted);
    transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

a:hover {
    color: var(--terminal-green);
    text-decoration-color: var(--terminal-green);
}

/* ==========================================================================
   Header Bar (Technical Terminal Header)
   ========================================================================== */
.topbar {
    height: var(--header-h);
    background: var(--bg-black);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-link {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-link:hover {
    color: var(--terminal-green);
    text-decoration: none;
}

.brand-symbol {
    color: var(--terminal-green);
}

.brand-ver {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 1px 6px;
    border-radius: 0;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.topbar-nav a {
    color: var(--text-secondary);
    text-decoration: none;
}

.topbar-nav a:hover {
    color: var(--text-white);
    text-decoration: none;
}

/* Quick Clone Bar */
.quick-clone {
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 12px;
}

.quick-clone-cmd {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.quick-clone-cmd span.prompt {
    color: var(--terminal-green);
}

.quick-clone-cmd code {
    color: var(--text-white);
    background: transparent;
    border: none;
    padding: 0;
}

.quick-clone-copy {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 3px 10px;
    cursor: pointer;
    border-radius: 0;
}

.quick-clone-copy:hover {
    color: var(--text-white);
    border-color: var(--text-secondary);
}

/* ==========================================================================
   Documentation App Layout (Tabbed Navigation)
   ========================================================================== */
.app-container {
    max-width: var(--max-w);
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: calc(100vh - var(--header-h) - 37px);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}

/* Left Index / Navigation */
.nav-panel {
    background: var(--bg-black);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.search-wrap {
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

.search-input {
    width: 100%;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    color: var(--text-white);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 8px 10px;
    border-radius: 0;
    outline: none;
}

.search-input:focus {
    border-color: var(--border-light);
}

.nav-tabs {
    list-style: none;
    overflow-y: auto;
    flex: 1;
}

.nav-item {
    border-bottom: 1px solid var(--border);
}

.nav-btn {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    border-left: 2px solid transparent;
    padding: 12px 14px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 3px;
    transition: all 0.1s ease;
}

.nav-btn:hover {
    background: var(--bg-panel);
    color: var(--text-white);
}

.nav-btn.active {
    background: var(--bg-panel);
    color: var(--text-white);
    border-left-color: var(--terminal-green);
}

.nav-btn-index {
    color: var(--text-muted);
    font-size: 10px;
}

.nav-btn.active .nav-btn-index {
    color: var(--terminal-green);
}

.nav-btn-title {
    font-size: 12.5px;
    font-weight: 600;
}

/* Main Content Area */
.main-panel {
    background: var(--bg-page);
    padding: 36px 44px 80px;
    overflow-y: auto;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* ==========================================================================
   Typography & Technical Sections
   ========================================================================== */
.section-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
    margin-bottom: 28px;
}

.section-index {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--terminal-green);
    margin-bottom: 6px;
}

h1.section-title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-white);
    margin-bottom: 8px;
}

p.section-desc {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.6;
}

h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-white);
    margin-top: 36px;
    margin-bottom: 12px;
    font-family: var(--font-mono);
    letter-spacing: -0.01em;
}

p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.65;
}

ul, ol {
    margin: 0 0 20px 20px;
    color: var(--text-secondary);
}

li {
    margin-bottom: 6px;
}

/* ==========================================================================
   Code Blocks & Terminal Panels
   ========================================================================== */
code {
    font-family: var(--font-mono);
    font-size: 12px;
    background: #111111;
    border: 1px solid var(--border);
    padding: 1px 4px;
    color: var(--text-code);
}

.code-box {
    background: var(--bg-black);
    border: 1px solid var(--border);
    margin: 18px 0 24px;
}

.code-box-header {
    background: #0a0a0a;
    border-bottom: 1px solid var(--border);
    padding: 6px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.code-copy-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 2px 7px;
    cursor: pointer;
}

.code-copy-btn:hover {
    color: var(--text-white);
    border-color: var(--border-light);
}

pre {
    padding: 12px 14px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-primary);
}

pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
}

/* Terminal Color Tokens */
.term-dim { color: #555555; }
.term-green { color: var(--terminal-green); }
.term-amber { color: var(--terminal-amber); }
.term-blue { color: var(--terminal-blue); }
.term-white { color: #ffffff; }

/* ASCII Architecture Diagram Box */
.ascii-diagram {
    background: #040404;
    border: 1px solid var(--border);
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    line-height: 1.5;
    color: var(--text-secondary);
    overflow-x: auto;
    margin: 20px 0 26px;
}

/* ==========================================================================
   Notice Callouts (Pure 1px border, zero neon glow)
   ========================================================================== */
.callout {
    border: 1px solid var(--border);
    background: #0a0a0a;
    padding: 12px 14px;
    margin: 20px 0;
    font-size: 13px;
}

.callout-title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.callout-title.warning {
    color: var(--terminal-amber);
}

.callout-title.tip {
    color: var(--terminal-green);
}

.callout p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

/* ==========================================================================
   Data Tables (Developer Specification Style)
   ========================================================================== */
table.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0 28px;
    font-size: 12.5px;
    border: 1px solid var(--border);
    background: var(--bg-black);
}

table.spec-table th, 
table.spec-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

table.spec-table th {
    background: #0c0c0c;
    color: var(--text-white);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
}

table.spec-table td {
    color: var(--text-secondary);
}

table.spec-table tr:hover td {
    background: #101010;
}

table.spec-table tr:last-child td {
    border-bottom: none;
}

/* ==========================================================================
   Interactive Live Simulator Widget
   ========================================================================== */
.sim-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.sim-btn {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.1s;
}

.sim-btn:hover {
    color: var(--text-white);
    border-color: var(--border-light);
    background: var(--bg-panel-hover);
}

.sim-btn.active {
    color: var(--terminal-green);
    border-color: var(--terminal-green);
    background: var(--terminal-green-dim);
}

.sim-screen {
    background: #020202;
    border: 1px solid var(--border);
    height: 360px;
    overflow-y: auto;
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    line-height: 1.6;
}

.sim-line {
    margin-bottom: 4px;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ==========================================================================
   Responsive Rules
   ========================================================================== */
@media (max-width: 900px) {
    .app-container {
        grid-template-columns: 1fr;
        border-left: none;
        border-right: none;
    }
    .nav-panel {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .nav-tabs {
        display: flex;
        overflow-x: auto;
        border-bottom: 1px solid var(--border);
    }
    .nav-item {
        border-bottom: none;
        border-right: 1px solid var(--border);
        flex-shrink: 0;
    }
    .main-panel {
        padding: 24px 18px 60px;
    }
}