/* Venanto product interface
   Crisp paper · graphite ink · logo-blue signal
   Tokens, components, light + night, density variants, responsive. */

:root {
  color-scheme: light;

  /* Color — paper */
  --paper:        #f7f8fb;
  --paper-sunk:   #eef3f8;
  --card:         #ffffff;
  --card-hover:   #f9fbfd;
  --field:        #ffffff;
  --chat-bg:      #edf4f7;
  --code-bg:      #111827;
  --code-ink:     #f8fafc;

  /* Color — ink */
  --ink:          #111827;
  --ink-soft:     #263241;
  --muted:        #64748b;
  --muted-soft:   #94a3b8;

  /* Color — lines */
  --line:         #dbe3ee;
  --line-strong:  #c8d3e1;
  --line-soft:    #e8eef5;

  /* Color — navigation surface */
  --nav:          #ffffff;
  --nav-soft:     #eef3f8;
  --nav-line:     #dbe3ee;
  --nav-ink:      #111827;
  --nav-muted:    #64748b;

  /* Brand color tokens sampled from the Venanto logo PNGs. */
  --brand-blue:       #0b68f6;
  --brand-blue-rgb:   11, 104, 246;
  --brand-blue-dark:  #084ebe;
  --brand-blue-light: #0d6ffb;
  --brand-blue-soft:  #e8f1ff;
  --brand-blue-deep-soft: #10284d;
  --brand-blue-ring:  rgba(11, 104, 246, 0.22);

  /* Accent */
  --accent:       var(--brand-blue);
  --accent-strong:var(--brand-blue-dark);
  --accent-soft:  var(--brand-blue-soft);
  --accent-ink:   #ffffff;
  --accent-ring:  var(--brand-blue-ring);

  /* Signal */
  --info:         var(--brand-blue);
  --info-soft:    #eaf0fd;
  --success:      #1f7a4d;
  --success-soft: #e3f2ea;
  --warn:         #b7791f;
  --warn-soft:    #f7edd4;
  --danger:       #dc2626;
  --danger-soft:  #fee2e2;

  /* Legacy aliases — preserved for app.js compatibility */
  --teal:         var(--accent);
  --teal-dark:    var(--accent-strong);
  --blue:         var(--info);
  --amber:        var(--warn);
  --green:        var(--success);

  /* Spacing */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 56px;
  --s-10: 72px;

  /* Radius */
  --r-1: 6px;
  --r-2: 10px;
  --r-3: 14px;
  --r-4: 20px;
  --r-pill: 999px;

  /* Shadow */
  --shadow-1: 0 1px 0 rgba(17, 24, 39, 0.04);
  --shadow-2: 0 1px 2px rgba(17, 24, 39, 0.06), 0 1px 1px rgba(17, 24, 39, 0.03);
  --shadow-3: 0 12px 28px -14px rgba(17, 24, 39, 0.2), 0 2px 4px rgba(17, 24, 39, 0.04);
  --shadow-focus: 0 0 0 3px var(--accent-ring);
  --shadow: var(--shadow-2);

  /* Type */
  --font-sans: "Inter Tight", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Menlo", monospace;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 120ms;
  --dur-base: 180ms;
}

html[data-accent="blue"] {
  --accent:        var(--brand-blue);
  --accent-strong: var(--brand-blue-dark);
  --accent-soft:   var(--brand-blue-soft);
  --accent-ring:   var(--brand-blue-ring);
}

html[data-accent="graphite"] {
  --accent:        #2c2925;
  --accent-strong: #111827;
  --accent-soft:   #e8eef5;
  --accent-ring:   rgba(17, 24, 39, 0.18);
}

html[data-theme="night"] {
  color-scheme: dark;

  --paper:        #0b1020;
  --paper-sunk:   #111827;
  --card:         #172033;
  --card-hover:   #202b43;
  --field:        #111827;
  --chat-bg:      #0f172a;
  --code-bg:      #060b16;
  --code-ink:     #f8fafc;

  --ink:          #f8fafc;
  --ink-soft:     #dbe7f4;
  --muted:        #a8b4c7;
  --muted-soft:   #718096;

  --line:         #2a354a;
  --line-strong:  #3a4964;
  --line-soft:    #202b43;

  --nav:          #060b16;
  --nav-soft:     #111827;
  --nav-line:     #202b43;
  --nav-ink:      #f8fafc;
  --nav-muted:    #9aa8bd;

  --accent:       var(--brand-blue);
  --accent-strong:var(--brand-blue-light);
  --accent-soft:  var(--brand-blue-deep-soft);
  --accent-ring:  rgba(11, 104, 246, 0.32);

  --info:         #5b8bf5;
  --info-soft:    #122039;
  --success:      #5ad08b;
  --success-soft: #0e2418;
  --warn:         #e3b962;
  --warn-soft:    #2a210d;
  --danger:       #f48377;
  --danger-soft:  #2a1411;

  --shadow-1: 0 1px 0 rgba(0, 0, 0, 0.3);
  --shadow-2: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-3: 0 16px 32px -16px rgba(0, 0, 0, 0.55), 0 2px 4px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

html { min-width: 320px; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.55;
  font-feature-settings: "cv11", "ss01", "ss03";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

[hidden] { display: none !important; }

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

button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: var(--accent-soft); color: var(--ink); }

/* ───── Buttons ───── */

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: var(--r-2);
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0 var(--s-4);
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

button:hover { background: var(--accent-strong); }
button:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
button:active { transform: translateY(1px); }

button:disabled {
  background: var(--line);
  color: var(--muted);
  cursor: not-allowed;
  transform: none;
}

.ghost-button {
  background: var(--card);
  color: var(--ink);
  border-color: var(--line);
  font-weight: 600;
}
.ghost-button:hover { background: var(--card-hover); border-color: var(--line-strong); }

.danger-button { background: var(--danger); color: #fff; }
.danger-button:hover { background: #8e2418; }

/* ───── Inputs ───── */

input, select, textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  background: var(--field);
  color: var(--ink);
  padding: 10px 12px;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}

textarea { resize: vertical; line-height: 1.5; min-height: 96px; }

input::placeholder, textarea::placeholder { color: var(--muted-soft); }

input:hover, select:hover, textarea:hover { border-color: var(--line-strong); }

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
}

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) center, calc(100% - 11px) center;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

/* ───── Frame ───── */

.app-frame {
  display: block;
  min-height: 100vh;
}

.console-shell .app-frame {
  background: var(--paper);
}

.console-shell .m-header {
  z-index: 80;
}

.console-shell .m-nav {
  min-width: 0;
  overflow: visible;
  scrollbar-width: none;
}

.console-shell .m-nav::-webkit-scrollbar {
  display: none;
}

.console-shell .m-nav a.active,
.console-shell .m-nav-dropdown.is-active > .m-nav-dropdown-trigger {
  background: var(--paper-sunk);
  color: var(--ink);
}

.console-shell .m-nav a.active::after,
.console-shell .m-nav-dropdown.is-active > .m-nav-dropdown-trigger::after {
  color: var(--ink);
}

.console-shell .m-header-cta button {
  white-space: nowrap;
}

.console-shell .m-header-cta .m-btn-ghost {
  height: 42px;
  border-radius: var(--r-pill);
}

@media (max-width: 900px) {
  .console-shell .m-nav {
    overflow: auto;
  }
}

/* ───── Side nav ───── */

.side-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  overflow: visible;
  background: var(--nav);
  color: var(--nav-ink);
  padding: var(--s-3) var(--s-7);
  border-bottom: 1px solid var(--nav-line);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex: 0 0 auto;
  padding: 2px 4px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-2);
  background: transparent;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-mark img { width: 40px; height: 40px; }

.theme-logo { display: block; }
html[data-theme="light"] .theme-logo-night,
html[data-theme="night"] .theme-logo-light {
  display: none;
}

.brand strong, .brand small { display: block; }

.brand strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.brand small, .side-account small, .label {
  color: var(--nav-muted);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.console-nav-toggle {
  display: none;
  min-height: 38px;
  border-color: var(--nav-line);
  background: var(--nav-soft);
  color: var(--nav-ink);
  border-radius: var(--r-2);
  padding: 0 var(--s-4);
  font-size: 13.5px;
  font-weight: 700;
}

.console-nav-toggle:hover {
  background: var(--nav);
  border-color: var(--accent);
}

.console-drawer {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex: 1;
  min-width: 0;
}

.console-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(6, 11, 22, 0.52);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease);
}

.nav-menu {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 2px;
  min-width: 0;
  flex: 1 1 auto;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--nav-line) transparent;
}

.nav-menu::-webkit-scrollbar { height: 5px; }
.nav-menu::-webkit-scrollbar-thumb { background: var(--nav-line); border-radius: 3px; }
.nav-menu::-webkit-scrollbar-track { background: transparent; }

.nav-menu a { flex: 0 0 auto; }

.nav-menu a {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: var(--r-2);
  color: var(--nav-muted);
  padding: 9px 11px;
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: -0.005em;
  transition: color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}

.nav-menu a:hover { background: var(--nav-soft); color: var(--nav-ink); }

.nav-menu a.active {
  background: var(--nav-soft);
  color: var(--nav-ink);
  font-weight: 600;
}

.nav-menu a.active::before {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.legal-menu {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 4px;
  margin-left: auto;
  border-top: 0;
  padding-top: 0;
}

.legal-menu a {
  border-radius: var(--r-1);
  color: var(--nav-muted);
  padding: 7px 8px;
  font-size: 12px;
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}

.legal-menu a:hover, .legal-menu a.active {
  background: var(--nav-soft);
  color: var(--nav-ink);
}

.side-account {
  margin-top: 0;
  width: 292px;
  flex-shrink: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2px var(--s-2);
  border: 1px solid var(--nav-line);
  border-radius: var(--r-2);
  background: var(--nav-soft);
  padding: 9px 10px;
}

.side-account .label { display: none; }
.side-account strong {
  grid-column: 1;
  line-height: 1.3;
  font-size: 14px;
  letter-spacing: -0.005em;
  color: var(--nav-ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-account small {
  grid-column: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-actions {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 0;
}

.side-actions a,
.side-actions button {
  border: 1px solid var(--nav-line);
  border-radius: var(--r-1);
  background: transparent;
  color: var(--nav-ink);
  min-height: 33px;
  padding: 6px 8px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}

.side-actions a:hover,
.side-actions button:hover { background: var(--nav); border-color: var(--accent); }

.side-actions a.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--brand-blue-rgb), 0.1);
}

/* ───── Work area ───── */

.work-area {
  min-width: 0;
  padding: var(--s-7) var(--s-7);
}

.console-shell .work-area {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--s-7) var(--container-pad, var(--s-7));
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--s-5);
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--line);
}

.topbar h1 {
  margin: 6px 0 0;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 700;
}

.console-page-heading p {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.crumb, .section-kicker {
  display: inline-block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-actions, .button-row, .inline-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: var(--s-2);
}

.locale-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--card);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  box-shadow: var(--shadow-1);
}

.locale-switcher span {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.locale-switcher select {
  width: auto;
  min-height: 28px;
  border: 0;
  background-color: transparent;
  padding: 0 20px 0 2px;
  color: inherit;
  font-weight: 800;
}

.locale-switcher select:hover,
.locale-switcher select:focus {
  border-color: transparent;
  box-shadow: none;
}

.drawer-theme-toggle {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  min-height: 42px;
  border: 1px solid var(--nav-line);
  border-radius: var(--r-2);
  background: var(--nav-soft);
  color: var(--nav-ink);
  padding: 9px 12px;
  font-size: 13.5px;
  font-weight: 700;
}

.drawer-theme-toggle:hover {
  background: var(--nav);
  border-color: var(--accent);
}

.theme-switch {
  position: relative;
  display: inline-flex;
  width: 38px;
  height: 22px;
  border-radius: var(--r-pill);
  background: var(--nav-line);
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease);
}

.theme-switch span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--nav-ink);
  transition: transform var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
}

.drawer-theme-toggle[aria-pressed="true"] .theme-switch {
  background: var(--accent);
}

.drawer-theme-toggle[aria-pressed="true"] .theme-switch span {
  transform: translateX(16px);
  background: #06221f;
}

/* ───── Pills & badges ───── */

.system-pill, .status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--card);
  color: var(--muted);
  padding: 3px 10px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: nowrap;
}

.system-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px var(--success-soft);
}

.status-badge.ready,
.status-badge.live,
.status-badge.complete,
.status-badge.completed,
.status-badge.good {
  color: var(--success);
  border-color: transparent;
  background: var(--success-soft);
}

.status-badge.warn,
.status-badge.simulated,
.metric-card.warn {
  color: var(--warn);
  border-color: transparent;
  background: var(--warn-soft);
}

.status-badge.failed,
.status-badge.error {
  color: var(--danger);
  border-color: transparent;
  background: var(--danger-soft);
}

/* ───── Notices ───── */

.notice {
  border: 1px solid var(--info);
  border-left-width: 3px;
  border-radius: var(--r-2);
  background: var(--info-soft);
  color: var(--info);
  margin-bottom: var(--s-5);
  padding: 12px 14px;
  font-size: 13.5px;
  font-weight: 500;
}

.notice.error, .error {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}