/* ========================================================================== */
/* ServeBoard / CODEX Modern Frontend Framework                               */
/* File: docs/assets/style.css                                                */
/* Style: Cool-neutral, mobile-first, system dark-mode aware                  */
/* Notes:                                                                      */
/*  - Keeps original class names from CODEX so markup doesn't break           */
/*  - Adds responsive data tables & list views                                */
/*  - Adds motion, focus-visible, and elevation polish                        */
/*  - Organized for easy future splitting (base/components/theme/utilities)   */
/* ========================================================================== */

/* ==========================================================================
   0) SELF-HOSTED FONTS
   ========================================================================= */
@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   1) BASE TOKENS (LIGHT THEME DEFAULTS)
   - Evolved palette: crisp neutrals, balanced blues
   - Scales: spacing, radius, shadow, motion
   ========================================================================= */
:root {
  /* Color tokens (light) */
  --color-background: #f5f7fa;      /* app background */
  --color-surface: #ffffff;          /* cards, panels, tables */
  --color-elevated: #f9fbff;         /* subtle elevated surface */
  --color-primary: #2f5fa7;          /* primary blue (slightly desaturated) */
  --color-primary-hover: #244a82;
  --color-accent: #5a87c9;           /* accent blue for links/secondary actions */
  --color-success: #2a9d6f;
  --color-warning: #d97706;
  --color-danger:  #d64545;

  --color-muted: #6b7280;            /* secondary text */
  --color-border: #d9e1ee;           /* dividers, input borders */
  --color-text: #1e2430;             /* primary text */

  /* Typeface stacks */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* Elevation & radius */
  --radius-sm: 10px;
  --radius-md: 12px;
  --spacing-xs: 0.35rem;
  --spacing-sm: 0.6rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl:  2rem;     /* 32px */
  --spacing-2xl: 3rem;     /* 48px */

  /* Motion */
  --transition-fast:  150ms ease;
  --transition-base:  220ms ease;
  --transition-slow:  320ms ease;

  /* Table density */
  --table-row-y: 0.6rem;
  --table-cell-x: 0.9rem;

  /* Readable max-widths */
  --max-page: 960px;
  --max-page-narrow: 720px;
}

/* ==========================================================================
   2) DARK THEME (SYSTEM SETTINGS)
   - No manual toggle; follows prefers-color-scheme
   - Use same tokens with darker neutrals and brighter accents
   ========================================================================= */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #0f1420;
    --color-surface: #171c28;
    --color-elevated: #1b2130;

    --color-primary: #6ea8ff;
    --color-primary-hover: #5996ef;
    --color-accent: #88b4ff;

    --color-success: #42c596;
    --color-warning: #f1a533;
    --color-danger:  #ff6b6b;

    --color-muted: #9aa3b2;
    --color-border: #2a3242;
    --color-text: #eef2f8;

    --shadow-1: 0 2px 10px rgba(0, 0, 0, 0.35);
    --shadow-2: 0 10px 30px rgba(0, 0, 0, 0.45);
    --shadow-3: 0 20px 60px rgba(0, 0, 0, 0.5);
  }
}

/* ==========================================================================
   3) RESET & BASE ELEMENTS
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;

  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Smooth theme transitions */
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

main { flex: 1; display: flex; }

img, video, canvas, svg { max-width: 100%; display: block; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}
a:hover, a:focus { color: var(--color-primary); text-decoration: underline; }

p { margin: 0 0 var(--spacing-md); }

ul, ol { margin: 0 0 var(--spacing-md); padding-left: 1.25rem; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.25;
  color: var(--color-primary);
  font-family: var(--font-sans);
}
h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 4vw, 1.9rem); color: var(--color-accent); margin-top: var(--spacing-lg); }
h3 { font-size: clamp(1.1rem, 3vw, 1.4rem); }

pre, code, kbd, samp { font-family: var(--font-mono); }

/* Focus-visible: accessible and consistent */
:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--color-accent), transparent 55%);
  outline-offset: 2px;
}

/* ==========================================================================
   4) PAGE LAYOUT
   - Keeps CODEX classes: .page, .page--narrow, .page-header, etc.
   ========================================================================= */
.page {
  width: min(100% - 2.5rem, var(--max-page));
  margin: 0 auto;
  padding: clamp(var(--spacing-lg), 4vw, var(--spacing-xl)) 0;
  display: flex;
  flex-direction: column;
  gap: clamp(var(--spacing-lg), 4vw, var(--spacing-xl));
}

.page--narrow { width: min(100% - 2.5rem, var(--max-page-narrow)); }

.page-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.page-header__title { margin: 0; }

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ==========================================================================
   5) CARDS (flat, modern, soft elevation)
   ========================================================================= */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: clamp(var(--spacing-lg), 4vw, 2.25rem);
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base), background-color var(--transition-slow);
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.card--compact { padding: clamp(var(--spacing-md), 4vw, var(--spacing-lg)); }

.hero-card h1 { text-align: center; }
.hero-card .subtitle {
  text-align: center;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}
.hero-footer {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-top: var(--spacing-lg);
}

/* ==========================================================================
   6) BUTTONS (modern, flat, subtle motion)
   - Keeps: .btn, .btn-primary, .btn-secondary, .btn-outline, .btn-ghost, .btn-danger
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;

  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;

  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;

  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-1);

  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-2); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-1); }
.btn:focus-visible { outline: 3px solid color-mix(in oklab, var(--color-accent), transparent 55%); outline-offset: 2px; }

/* Semantic variants */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: color-mix(in oklab, var(--color-primary), #000 4%);
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary {
  background: var(--color-accent);
  color: #fff;
  border-color: color-mix(in oklab, var(--color-accent), #000 6%);
}
.btn-secondary:hover { background: color-mix(in oklab, var(--color-accent), #000 10%); }

.btn-outline {
  background: transparent;
  border-color: color-mix(in oklab, var(--color-accent), transparent 50%);
  color: var(--color-primary);
  box-shadow: none;
}
.btn-outline:hover {
  border-color: var(--color-primary);
  background: color-mix(in oklab, var(--color-accent), transparent 92%);
}

.btn-ghost {
  background: color-mix(in oklab, var(--color-muted), transparent 92%);
  color: var(--color-muted);
  border-color: transparent;
  box-shadow: none;
}
.btn-ghost:hover {
  background: color-mix(in oklab, var(--color-muted), transparent 85%);
  color: color-mix(in oklab, var(--color-muted), #000 10%);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: color-mix(in oklab, var(--color-danger), #000 6%);
}
.btn-danger:hover { background: color-mix(in oklab, var(--color-danger), #000 10%); }

.btn-block { width: 100%; }
.btn-block-sm { width: 100%; }

/* ==========================================================================
   7) STATUS & TEXT UTILS
   ========================================================================= */
.status-message {
  text-align: center;
  font-weight: 600;
  color: var(--color-accent);
}
.status-message--error { color: var(--color-danger); }
.status-message--success { color: var(--color-success); }

.eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.center-text { text-align: center; }
.muted { color: var(--color-muted); }

.stack { display: grid; gap: var(--spacing-md); }

/* ==========================================================================
   8) FORMS
   ========================================================================= */
form { display: grid; gap: var(--spacing-md); }

.form-grid.two-col {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
}

.form-field { display: grid; gap: 0.4rem; }
.form-label, label { font-weight: 600; color: var(--color-muted); }

input, select, textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font: inherit;
  color: inherit;
  background: #fbfcfe;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-slow);
}
input::placeholder, textarea::placeholder { color: color-mix(in oklab, var(--color-muted), transparent 30%); }

input:focus, select:focus, textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--color-accent), transparent 85%);
  outline: none;
}

@media (prefers-color-scheme: dark) {
  input, select, textarea { background: #0f1420; }
}

/* ==========================================================================
   9) PROJECT / SLOTS (from CODEX, refined)
   ========================================================================= */
.project-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.page-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.detail-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.detail-header--sub {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.kv-table tbody tr td:first-child {
  font-weight: 600;
  color: var(--color-muted);
  width: 30%;
}
.kv-table td { white-space: normal; }

.table-message td {
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  color: var(--color-muted);
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.btn-inline {
  padding: 0.45rem 0.75rem;
  font-size: 0.9rem;
}

#projectsTableBody tr,
#slotsTableBody tr {
  cursor: pointer;
  transition: background-color var(--transition-fast);
}
#projectsTableBody tr:hover,
#slotsTableBody tr:hover {
  background: color-mix(in oklab, var(--color-accent), transparent 90%);
}
.table-row--active {
  background: color-mix(in oklab, var(--color-primary), transparent 90%);
}

#projectsTableBody td:first-child,
#projectsTableBody td:nth-child(3) {
  white-space: normal;
}

#slotsTableBody td:first-child,
#slotsTableBody td:nth-child(5) {
  white-space: normal;
}

#projectList {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-md);
}

.project-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base), background-color var(--transition-slow);
}
.project-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }

.project-header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.project-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--color-muted);
}

.project-description { color: var(--color-text); }
.project-contact { font-size: 0.95rem; color: var(--color-muted); }

.slot-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-sm);
}

.slot-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  background: color-mix(in oklab, var(--color-accent), transparent 95%);
}
.slot-item strong { color: var(--color-primary); }

.slot-form {
  display: none;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  background: color-mix(in oklab, var(--color-primary), transparent 94%);
  gap: var(--spacing-sm);
}
.slot-form.active { display: grid; }

.slot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.auth-info { font-size: 0.95rem; color: var(--color-muted); }

.legal-list li + li { margin-top: 0.35rem; }

pre {
  background: var(--color-elevated);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  overflow-x: auto;
  margin: 0;
}

/* ==========================================================================
   10) DATA TABLES (responsive, dense-friendly)
   - .table-container for horizontal scroll on small screens
   - Subtle hover, clear header, consistent borders
   ========================================================================= */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  background: var(--color-surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: 0.95rem;
}

thead {
  position: sticky; /* keeps header visible on container scroll */
  top: 0;
  background: color-mix(in oklab, var(--color-surface), var(--color-background) 25%);
  text-align: left;
  font-weight: 700;
  color: var(--color-text);
  z-index: 1;
}

th, td {
  padding: var(--table-row-y) var(--table-cell-x);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  white-space: nowrap;
}
td.nowrap, th.nowrap { white-space: nowrap; }
td.wrap { white-space: normal; }

tbody tr:last-child td { border-bottom: none; }

tbody tr {
  transition: background-color var(--transition-base), transform var(--transition-base);
}
tbody tr:hover {
  background: color-mix(in oklab, var(--color-accent), transparent 95%);
}
tbody tr:active { transform: translateY(0); }

/* Density helpers */
.table--compact th, .table--compact td {
  padding: calc(var(--table-row-y) - 0.2rem) calc(var(--table-cell-x) - 0.2rem);
}
.table--relaxed th, .table--relaxed td {
  padding: calc(var(--table-row-y) + 0.2rem) calc(var(--table-cell-x) + 0.2rem);
}

/* Align helpers */
td.right, th.right { text-align: right; }
td.center, th.center { text-align: center; }

/* Card equivalents for responsive tables */
.table-cards {
  display: none;
  padding: var(--spacing-md);
  gap: var(--spacing-md);
}

.table-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding: var(--spacing-md);
  display: grid;
  gap: var(--spacing-sm);
}

.table-card__field {
  display: grid;
  gap: 0.25rem;
}

.table-card__label {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.table-card__value {
  font-size: 0.98rem;
  color: var(--color-text);
  word-break: break-word;
}

.table-card__muted { color: var(--color-muted); font-size: 0.9rem; }

.table-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.table-card--message {
  text-align: center;
  color: var(--color-muted);
  border: 1px dashed var(--color-border);
  background: color-mix(in oklab, var(--color-background), var(--color-surface) 45%);
}

.table-card--active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--color-primary), transparent 65%);
}

.table-cards--stack .table-card {
  padding: var(--spacing-sm) var(--spacing-md);
}

@media (max-width: 599px) {
  .table-container {
    box-shadow: none;
    background: transparent;
    overflow: visible;
  }
  .table-container table {
    display: none;
  }
  .table-cards {
    display: grid;
  }
}

@media (min-width: 600px) {
  .table-cards {
    display: none;
  }
}

/* ==========================================================================
   11) LISTS (modern, interactive)
   ========================================================================= */
.list {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-base);
}
.list-item:hover { background: color-mix(in oklab, var(--color-muted), transparent 92%); }
.list-item:last-child { border-bottom: none; }

/* Badges for quick status */
.badge {
  display: inline-block;
  padding: 0.25em 0.75em;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--color-muted);
  color: #fff;
}
.badge.success { background: var(--color-success); }
.badge.info { background: var(--color-accent); }
.badge.warning { background: var(--color-warning); }
.badge.danger { background: var(--color-danger); }

/* ==========================================================================
   12) HELPERS / UTILITIES
   ========================================================================= */
.is-hidden { display: none !important; }

.contact {
  margin-top: var(--spacing-lg);
  line-height: 1.5;
}

footer {
  text-align: center;
  color: var(--color-muted);
  padding: var(--spacing-lg) 0;
  font-size: 0.9rem;
}

/* Responsive tweaks preserving CODEX behavior */
@media (min-width: 640px) {
  .page-header { flex-direction: row; align-items: center; justify-content: space-between; }
  .hero-actions { flex-direction: row; justify-content: center; }
  .btn-block-sm { width: auto; }
}
@media (max-width: 639px) {
  .page-header__actions .btn,
  .hero-actions .btn,
  .project-controls .btn,
  .slot-actions .btn { width: 100%; }
}
@media (min-width: 768px) {
  .project-header { flex-direction: row; justify-content: space-between; align-items: center; }
  .detail-header { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ==========================================================================
   13) EMPTY STATES
   ========================================================================= */
.empty-state {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--color-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-primary), transparent 94%);
  list-style: none;
}

/* ==========================================================================
   14) MOTION LAYER (global polish)
   ========================================================================= */
body, .card, .list, table, .btn, input, select, textarea {
  transition: background-color var(--transition-slow), color var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-base);
}

/* Slight lift on interactive containers */
.card:focus-within, .list:focus-within {
  box-shadow: var(--shadow-3);
}

/* ==========================================================================
   15) LEGACY CLASS COMPAT (aliases for older markup)
   - These map older names to new tokens where needed
   ========================================================================= */
/* (Kept intentionally minimal; your prior names are already honored) */