/* ============================================
   ProxReview - Proximity Green Brand System
   Light mode · Cormorant Garamond · Jost · DM Mono
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400;1,500&family=Jost:wght@200;300;400;500&family=DM+Mono:wght@300;400&display=swap');

:root {
    /* Brand colours */
    --ink: #18180F;
    --moss: #3D6147;
    --sage: #7AA882;
    --cream: #FAF7F0;
    --ground: #F4EFE6;
    --white: #FFFFFF;
    --brass: #B8924A;
    --pale-sage: #C8DBC9;
    --warm-grey: #706B60;
    --rule: rgba(61, 97, 71, 0.18);
    --hover-green: #F0F8F1;

    /* Semantic mappings */
    --bg: var(--cream);
    --bg-surface: var(--white);
    --bg-raised: var(--ground);
    --border: var(--rule);
    --text: var(--ink);
    --text-muted: var(--warm-grey);
    --accent: var(--moss);
    --accent-hover: #2E4A35;
    --accent-light: var(--sage);

    /* Status colours */
    --red: #C0392B;
    --red-bg: rgba(192, 57, 43, 0.08);
    --amber: #B8924A;
    --amber-bg: rgba(184, 146, 74, 0.1);
    --green: #3D6147;
    --green-bg: rgba(61, 97, 71, 0.08);
    --blue: #4A7AB8;
    --blue-bg: rgba(74, 122, 184, 0.08);

    /* Layout */
    --sidebar-width: 260px;

    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Jost', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'DM Mono', 'SF Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-dot {
    width: 10px;
    height: 10px;
    background: var(--sage);
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow:
        0 0 8px rgba(122, 168, 130, 0.5),
        0 0 20px rgba(122, 168, 130, 0.25);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.8; box-shadow: 0 0 8px rgba(122, 168, 130, 0.5), 0 0 20px rgba(122, 168, 130, 0.25); }
    50% { opacity: 1; box-shadow: 0 0 12px rgba(122, 168, 130, 0.7), 0 0 30px rgba(122, 168, 130, 0.4); }
}

.sidebar-header .wordmark {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.sidebar-header .wordmark .prox {
    color: var(--ink);
}

.sidebar-header .wordmark .green {
    color: var(--moss);
    font-style: italic;
}

.sidebar-header .subtitle {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.15rem;
}

.nav-links {
    list-style: none;
    padding: 0.75rem 0;
    flex: 1;
}

.nav-links li a {
    display: block;
    padding: 0.6rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 300;
    transition: all 0.15s;
    border-left: 3px solid transparent;
}

.nav-links li a:hover {
    color: var(--text);
    background: var(--hover-green);
}

.nav-links li a.active {
    color: var(--moss);
    font-weight: 400;
    border-left-color: var(--moss);
    background: var(--hover-green);
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.7rem;
    font-weight: 300;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ---- Menu Toggle (Mobile) ---- */

.menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 200;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.5rem;
    padding: 0.4rem 0.7rem;
    border-radius: 6px;
    cursor: pointer;
}

/* ---- Main Content ---- */

.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 3rem 3.5rem;
    max-width: 960px;
}

.page-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.lead {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---- Section ---- */

section {
    margin-bottom: 3rem;
}

h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h3 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--ink);
    margin: 1.5rem 0 0.75rem;
}

h4 {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 0.75rem;
    font-weight: 300;
}

ul, ol {
    margin: 0.5rem 0 1rem 1.5rem;
}

li {
    margin-bottom: 0.35rem;
    font-weight: 300;
}

strong {
    font-weight: 500;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ---- Summary Cards ---- */

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.card h3 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 0.25rem;
    font-weight: 400;
    color: var(--text-muted);
}

.card-number {
    font-size: 2.5rem;
    font-weight: 300;
    display: block;
    margin: 0.25rem 0;
    font-family: var(--font-display);
}

.card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.card a {
    font-size: 0.85rem;
    font-weight: 400;
}

.card-red { border-top: 3px solid var(--red); }
.card-red .card-number { color: var(--red); }
.card-amber { border-top: 3px solid var(--brass); }
.card-amber .card-number { color: var(--brass); }
.card-blue { border-top: 3px solid var(--blue); }
.card-blue .card-number { color: var(--blue); }
.card-green { border-top: 3px solid var(--moss); }
.card-green .card-number { color: var(--moss); }

/* ---- Tables ---- */

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 1.5rem;
    font-size: 0.9rem;
}

th, td {
    text-align: left;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg-raised);
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

td {
    font-weight: 300;
}

tr:hover td {
    background: var(--hover-green);
}

/* ---- Code Blocks ---- */

code {
    font-family: var(--font-mono);
    font-size: 0.83em;
    font-weight: 300;
    background: var(--bg-raised);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    color: var(--moss);
}

pre {
    background: var(--ink);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1rem 0 1.5rem;
    font-size: 0.83rem;
    line-height: 1.6;
}

pre code {
    background: none;
    padding: 0;
    color: #e8e6df;
    font-weight: 300;
}

.code-bad {
    border-left: 3px solid var(--red);
}

.code-good {
    border-left: 3px solid var(--sage);
}

/* ---- Severity Badges ---- */

.badge {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.2em 0.6em;
    border-radius: 4px;
}

.badge-critical { background: var(--red-bg); color: var(--red); }
.badge-high { background: rgba(192, 57, 43, 0.12); color: #a0332a; }
.badge-medium { background: var(--amber-bg); color: var(--brass); }
.badge-low { background: var(--blue-bg); color: var(--blue); }
.badge-info { background: var(--green-bg); color: var(--moss); }
.badge-required { background: var(--red-bg); color: var(--red); }
.badge-optional { background: var(--blue-bg); color: var(--blue); }

/* ---- Domain Grid ---- */

.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.domain-item {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.domain-item h4 {
    color: var(--moss);
    margin-bottom: 0.5rem;
}

.domain-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

/* ---- Issue Cards ---- */

.issue {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.issue-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.issue-header h3 {
    margin: 0;
    font-size: 1.05rem;
}

.issue .file-ref {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* ---- Entity Cards ---- */

.entity {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.entity h3 {
    color: var(--moss);
    margin: 0 0 0.25rem;
    font-size: 1.1rem;
}

.entity .entity-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.field-list {
    columns: 2;
    column-gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.field-list li {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 300;
    padding: 0.2rem 0;
    color: var(--text-muted);
    break-inside: avoid;
}

.field-list li strong {
    color: var(--text);
    font-weight: 400;
}

/* ---- Diagram ---- */

.diagram {
    background: var(--ink);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 300;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    margin: 1rem 0 1.5rem;
    color: #b0ae9f;
}

/* ---- Workflow Steps ---- */

.workflow {
    border-left: 2px solid var(--pale-sage);
    margin: 1rem 0 1.5rem 0.5rem;
    padding-left: 1.5rem;
}

.workflow-step {
    position: relative;
    margin-bottom: 1rem;
}

.workflow-step::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    background: var(--sage);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(122, 168, 130, 0.4);
}

.workflow-step h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.workflow-step p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .menu-toggle {
        display: block;
    }

    .content {
        margin-left: 0;
        padding: 1.5rem;
        padding-top: 4rem;
    }

    .summary-cards {
        grid-template-columns: 1fr 1fr;
    }

    .domain-grid {
        grid-template-columns: 1fr;
    }

    .field-list {
        columns: 1;
    }
}

@media (max-width: 480px) {
    .summary-cards {
        grid-template-columns: 1fr;
    }
}