/*
 * VIBEPONK UI
 * Shared visual language for standalone and embedded tools.
 *
 * Usage:
 *   <link rel="stylesheet" href="/css/vp-ui.css">
 *   <main class="vp-ui" data-theme="light" data-accent="terra">...</main>
 *
 * Keep tool-specific layout in its own stylesheet. Reuse these classes for
 * colors, cards, fields, buttons and common states.
 */

:root {
  --vp-radius-lg: 20px;
  --vp-radius: 14px;
  --vp-radius-sm: 10px;
  --vp-control-height: 44px;

  --vp-font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --vp-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --vp-bg: #f7f3ed;
  --vp-bg-alt: #f2f3ea;
  --vp-surface: #fffdf9;
  --vp-surface-alt: #f4efe8;
  --vp-text: #171b18;
  --vp-text-muted: #6f736f;
  --vp-text-soft: #949991;
  --vp-border: #e5ded4;

  --vp-accent: #b86642;
  --vp-accent-hover: #984b2d;
  --vp-accent-soft: rgba(184, 102, 66, 0.12);
  --vp-on-accent: #ffffff;

  --vp-success: #667a68;
  --vp-warning: #c98a4c;
  --vp-danger: #c0573f;

  --vp-shadow-sm: 0 4px 16px rgba(90, 55, 36, 0.05);
  --vp-shadow: 0 12px 30px rgba(90, 55, 36, 0.08);
  --vp-focus: 0 0 0 3px rgba(184, 102, 66, 0.18);
}

:root[data-accent="sage"],
[data-accent="sage"] {
  --vp-accent: #667a68;
  --vp-accent-hover: #435b47;
  --vp-accent-soft: rgba(102, 122, 104, 0.15);
  --vp-focus: 0 0 0 3px rgba(102, 122, 104, 0.2);
}

:root[data-theme="dark"],
[data-theme="dark"] {
  color-scheme: dark;
  --vp-bg: #151111;
  --vp-bg-alt: #211918;
  --vp-surface: #1f1a18;
  --vp-surface-alt: #2b211e;
  --vp-text: #f5eee9;
  --vp-text-muted: #b8aaa1;
  --vp-text-soft: #8f837c;
  --vp-border: rgba(255, 241, 230, 0.13);
  --vp-shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.22);
  --vp-shadow: 0 18px 42px rgba(0, 0, 0, 0.3);
}

.vp-ui {
  min-width: 0;
  color: var(--vp-text);
  font-family: var(--vp-font);
  font-size: 15px;
  line-height: 1.5;
}

.vp-ui *,
.vp-ui *::before,
.vp-ui *::after {
  box-sizing: border-box;
}

.vp-ui button,
.vp-ui input,
.vp-ui textarea,
.vp-ui select {
  font: inherit;
}

.vp-tool-shell {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
  padding: 24px 0 40px;
}

.vp-tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.vp-tool-heading {
  min-width: 0;
}

.vp-eyebrow {
  margin: 0 0 6px;
  color: var(--vp-accent);
  font: 700 12px/1.3 var(--vp-font-mono);
  text-transform: uppercase;
}

.vp-title {
  margin: 0;
  color: var(--vp-text);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: 0;
}

.vp-subtitle {
  max-width: 70ch;
  margin: 8px 0 0;
  color: var(--vp-text-muted);
  font-size: 14px;
}

.vp-panel,
.vp-card {
  min-width: 0;
  border: 1px solid var(--vp-border);
  background: var(--vp-surface);
  color: var(--vp-text);
}

.vp-panel {
  padding: 22px;
  border-radius: var(--vp-radius-lg);
  box-shadow: var(--vp-shadow-sm);
}

.vp-card {
  padding: 18px;
  border-radius: var(--vp-radius);
  box-shadow: none;
}

.vp-card--interactive {
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.vp-card--interactive:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--vp-accent) 30%, var(--vp-border));
  box-shadow: var(--vp-shadow);
}

.vp-section-head,
.vp-card-head,
.vp-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.vp-section-head {
  margin-bottom: 16px;
}

.vp-section-title,
.vp-card-title {
  margin: 0;
  color: var(--vp-text);
  line-height: 1.25;
  font-weight: 750;
}

.vp-section-title {
  font-size: 20px;
}

.vp-card-title {
  font-size: 16px;
}

.vp-card-copy {
  margin: 7px 0 0;
  color: var(--vp-text-muted);
  font-size: 13px;
  line-height: 1.5;
}

.vp-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.vp-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vp-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.vp-field {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 7px;
}

.vp-label {
  color: var(--vp-text);
  font-size: 13px;
  font-weight: 700;
}

.vp-help,
.vp-meta {
  color: var(--vp-text-muted);
  font-size: 12px;
}

.vp-input,
.vp-select,
.vp-textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--vp-border);
  border-radius: var(--vp-radius-sm);
  outline: 0;
  background: var(--vp-surface-alt);
  color: var(--vp-text);
  transition: border-color 150ms ease, background 150ms ease, box-shadow 150ms ease;
}

.vp-input,
.vp-select {
  min-height: var(--vp-control-height);
  padding: 0 13px;
}

.vp-textarea {
  min-height: 112px;
  padding: 12px 13px;
  resize: vertical;
}

.vp-input::placeholder,
.vp-textarea::placeholder {
  color: var(--vp-text-soft);
}

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

.vp-button,
.vp-icon-button {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid transparent;
  border-radius: var(--vp-radius-sm);
  cursor: pointer;
  text-decoration: none;
  font-weight: 750;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.vp-button {
  min-height: var(--vp-control-height);
  padding: 0 17px;
  grid-auto-flow: column;
  gap: 8px;
  font-size: 13px;
}

.vp-icon-button {
  width: var(--vp-control-height);
  height: var(--vp-control-height);
  padding: 0;
}

.vp-button:hover,
.vp-icon-button:hover {
  transform: translateY(-1px);
}

.vp-button--primary {
  border-color: var(--vp-accent);
  background: var(--vp-accent);
  color: var(--vp-on-accent);
}

.vp-button--primary:hover {
  border-color: var(--vp-accent-hover);
  background: var(--vp-accent-hover);
}

.vp-button--secondary,
.vp-icon-button {
  border-color: var(--vp-border);
  background: var(--vp-surface);
  color: var(--vp-text);
}

.vp-button--secondary:hover,
.vp-icon-button:hover {
  border-color: color-mix(in srgb, var(--vp-accent) 45%, var(--vp-border));
  color: var(--vp-accent);
}

.vp-button--danger {
  border-color: color-mix(in srgb, var(--vp-danger) 26%, var(--vp-border));
  background: color-mix(in srgb, var(--vp-danger) 10%, var(--vp-surface));
  color: var(--vp-danger);
}

.vp-button:disabled,
.vp-icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

.vp-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border: 1px solid var(--vp-border);
  border-radius: 999px;
  background: var(--vp-surface-alt);
  color: var(--vp-text-muted);
  font-size: 11px;
  font-weight: 700;
}

.vp-badge--accent {
  border-color: color-mix(in srgb, var(--vp-accent) 22%, var(--vp-border));
  background: var(--vp-accent-soft);
  color: var(--vp-accent-hover);
}

.vp-divider {
  height: 1px;
  margin: 18px 0;
  border: 0;
  background: var(--vp-border);
}

.vp-empty,
.vp-status {
  border: 1px dashed var(--vp-border);
  border-radius: var(--vp-radius);
  padding: 22px;
  text-align: center;
  color: var(--vp-text-muted);
  background: color-mix(in srgb, var(--vp-surface-alt) 60%, transparent);
}

.vp-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(18, 14, 12, 0.58);
  backdrop-filter: blur(8px);
}

.vp-modal {
  width: min(760px, 100%);
  max-height: min(820px, calc(100dvh - 40px));
  overflow: auto;
  border: 1px solid var(--vp-border);
  border-radius: var(--vp-radius-lg);
  background: var(--vp-surface);
  color: var(--vp-text);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.3);
}

.vp-modal-head,
.vp-modal-body,
.vp-modal-foot {
  padding: 18px 20px;
}

.vp-modal-head,
.vp-modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.vp-modal-head {
  border-bottom: 1px solid var(--vp-border);
}

.vp-modal-foot {
  border-top: 1px solid var(--vp-border);
}

.vp-ui :is(button, a, input, textarea, select):focus-visible {
  outline: none;
  box-shadow: var(--vp-focus);
}

@media (max-width: 720px) {
  .vp-tool-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 14px;
  }

  .vp-tool-header,
  .vp-section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .vp-grid,
  .vp-grid--3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .vp-panel {
    padding: 16px;
    border-radius: 16px;
  }

  .vp-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .vp-actions .vp-button {
    flex: 1 1 auto;
  }

  .vp-modal-backdrop {
    align-items: end;
    padding: 0;
  }

  .vp-modal {
    max-height: calc(100dvh - 16px);
    border-radius: 18px 18px 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vp-ui *,
  .vp-ui *::before,
  .vp-ui *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}