/*
 * Mandala Rails — Application Styles
 *
 * Values come from the design tokens in _global.css. Prefer a var(--token)
 * over a raw literal so the whole app can be restyled from one place.
 */

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

body {
  font-family: var(--font-sans);
  background: var(--color-canvas);
  color: var(--color-ink);
  min-height: 100dvh;
}

/* ── Nav ── */
.app-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2xs) var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  padding-top: calc(var(--space-xs) + var(--safe-top));
  padding-right: calc(var(--space-md) + var(--safe-right));
  padding-left: calc(var(--space-md) + var(--safe-left));
  background: var(--color-ink);
  color: var(--color-canvas);
}
.app-nav-brand { font-weight: 700; font-size: var(--text-md); margin-right: auto; }
.app-nav-user  { font-size: var(--text-xs); color: inherit; opacity: 0.7; text-decoration: none; }
.app-nav-user:hover { opacity: 1; text-decoration: underline; }

/* ── Buttons ── */
.button {
  display: inline-block;
  padding: var(--space-2xs) var(--space-sm);
  background: var(--color-ink);
  color: var(--color-canvas);
  border: none;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  cursor: pointer;
  text-decoration: none;
}
.button:hover         { background: var(--color-ink-hover); }
.button-small         { padding: 0.3rem 0.7rem; font-size: var(--text-xs); }
.button-danger        { background: var(--color-negative); }
.button-danger:hover  { background: var(--color-negative-hover); }

/* ── Banner ── */
.app-banner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem var(--space-md);
  background: var(--color-banner-bg);
  color: var(--color-banner-text);
  font-size: var(--text-sm);
}

/* ── Flash ── */
.flash { padding: 0.6rem var(--space-md); font-size: var(--text-sm); }
.flash-notice { color: var(--color-positive); }
.flash-alert  { color: var(--color-negative); }

/* ── App Main ── */
.app-main { padding: var(--space-lg) var(--space-md); max-width: 960px; margin: 0 auto; }

/* ── Legal Pages ── */
.legal-page { line-height: 1.6; }
.legal-page h2 { margin-top: 1.8rem; font-size: var(--text-md); }

/* ── Footer ── */
.app-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-md);
  justify-content: center;
  padding: var(--space-md);
  font-size: var(--text-xs);
  opacity: 0.6;
}

/* ── Mandalas List ── */
.mandalas-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.mandalas-header h1 { margin-right: auto; }

.mandalas-list { display: flex; flex-direction: column; gap: var(--space-xs); }

.mandala-card {
  display: flex;
  align-items: center;
  padding: var(--space-sm) 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: var(--border);
}
.mandala-card-info  { flex: 1; display: flex; flex-direction: column; gap: var(--space-3xs); }
.mandala-title      { font-weight: 600; font-size: var(--text-base); }
.mandala-center-preview { font-size: var(--text-xs); color: var(--color-gray-600); }
.mandala-card-actions { display: flex; gap: var(--space-2xs); }

.empty-state { color: var(--color-gray-500); font-style: italic; margin-top: var(--space-lg); }

/* ── Mandala Show ── */
.mandala-show-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.mandala-show-header h1 { margin-right: auto; }

/* ── Mandala title inline edit ── */
.mandala-show-header turbo-frame {
  flex: 1;
  display: block;
}

.mandala-title-editable {
  display: inline-block;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s;
}
.mandala-title-editable:hover {
  border-bottom-color: var(--color-gray-200);
}

.mandala-title-form {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  width: 100%;
}
.mandala-title-input {
  flex: 1;
  font-size: var(--text-lg);
  font-weight: 700;
  border: none;
  border-bottom: 2px solid var(--color-ink);
  border-radius: 0;
  padding: 0.1rem 0;
  font-family: inherit;
  background: transparent;
  outline: none;
  min-width: 12ch;
}

/* ── Mandala Grid ── */
.mandala-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  width: min(540px, 90vw);
  margin: 0 auto;
}

.mandala-tile {
  aspect-ratio: 1;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-card);
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s, background 0.15s;
  overflow: hidden;
}

.mandala-tile:hover       { border-color: var(--color-gray-400); }
.tile-center              { border-color: var(--color-ink); background: var(--color-tile-center-bg); }
.tile-center:hover        { background: var(--color-tile-center-bg-hover); }
.tile-has-children        { border-style: dashed; }

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-xs);
  flex: 1;
}
.breadcrumb a       { color: var(--color-link); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep     { color: var(--color-gray-300); }
.breadcrumb-current { font-weight: 600; }

/* ── Tile zones: title renames, body writes, arrow drills ── */
.mandala-tile {
  position: relative;
}

.tile-title-zone {
  display: block;
  width: 100%;
  padding: var(--space-2xs) var(--space-2xs) var(--space-3xs);
  text-align: center;
  text-decoration: none;
  color: var(--color-ink);
  min-height: 1.8rem;
}
.tile-title-zone:hover { background: var(--overlay-hover); }

.tile-title--placeholder {
  color: var(--color-gray-300);
  font-style: italic;
  font-weight: 400;
}

.tile-body-zone {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--color-ink);
  padding: 0 var(--space-2xs) 1.4rem;
  text-align: center;
  gap: var(--space-3xs);
}
.tile-body-zone:hover { background: var(--overlay-hover-subtle); }

.tile-title {
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tile-subtitle {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tile-body-preview {
  font-size: var(--text-xs);
  color: var(--color-gray-300);
  line-height: 1.2;
  font-style: italic;
}

/* ── Drill arrow ── */
.mandala-tile form.button_to { display: contents; }

.tile-drill {
  position: absolute;
  bottom: 0;
  right: 0;
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 5px 8px;
  font-size: var(--text-2xs);
  color: var(--color-gray-200);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  touch-action: manipulation;
  transition: color 0.15s;
  z-index: 1;
}
.tile-drill:hover { color: var(--color-ink-hover); }
/* No hover on touch — keep the affordance legible instead of near-invisible. */
@media (hover: none) and (pointer: coarse) {
  .tile-drill { color: var(--color-gray-400); }
}

/* ── In-place rename ── */
.tile-renaming {
  align-items: center;
  justify-content: center;
  padding: var(--space-2xs);
}

.tile-rename-form { width: 100%; }

.tile-rename-input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.3;
  text-align: center;
  padding: 0;
}

.tile-rename-cancel {
  position: absolute;
  top: 5px;
  right: 8px;
  font-size: var(--text-2xs);
  color: var(--color-gray-200);
  text-decoration: none;
  line-height: 1;
}
.tile-rename-cancel:hover { color: var(--color-ink-hover); }

.tile-document-title-wrap,
.tile-document-subtitle-wrap {
  position: relative;
}

.char-counter {
  position: absolute;
  bottom: 6px;
  right: 8px;
  font-size: var(--text-2xs);
  color: var(--color-gray-200);
  pointer-events: none;
}

.char-counter--warn  .char-counter { color: var(--color-warning); }
.char-counter--danger .char-counter { color: var(--color-negative); }
.char-counter--warn  { color: var(--color-warning); }
.char-counter--danger { color: var(--color-negative); }

.tile-edit-cancel {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  text-decoration: none;
}
.tile-edit-cancel:hover { color: var(--color-ink); text-decoration: underline; }

/* ── Tile Document Page (full-page editor) ── */
.tile-document-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2xs) var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  padding-top: calc(var(--space-xs) + var(--safe-top));
  padding-right: calc(var(--space-md) + var(--safe-right));
  padding-left: calc(var(--space-md) + var(--safe-left));
  background: var(--color-surface);
  border-bottom: var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.tile-document-back {
  color: var(--color-link);
  text-decoration: none;
  font-size: var(--text-sm);
  white-space: nowrap;
}
.tile-document-back:hover { text-decoration: underline; }
.tile-document-context {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}
.tile-document-mandala-title { font-weight: 500; }
.tile-document-sep { color: var(--color-gray-200); }
.tile-document-grid-label { color: var(--color-gray-300); }

.tile-document-page {
  max-width: 680px;
  margin: 2.5rem auto;
  padding: 0 var(--space-md) 4rem;
}

.tile-document-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
}

.tile-document-title {
  font-size: var(--text-xl);
  font-weight: 700;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: var(--space-3xs) 0;
  font-family: inherit;
  width: 100%;
  background: transparent;
  outline: none;
  color: var(--color-ink);
}
.tile-document-title:focus { border-bottom-color: var(--color-border); }
.tile-document-title::placeholder { color: var(--color-gray-200); }

.tile-document-subtitle {
  font-size: var(--text-md);
  color: var(--color-gray-600);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.2rem 0;
  font-family: inherit;
  width: 100%;
  background: transparent;
  outline: none;
}
.tile-document-subtitle:focus { border-bottom-color: var(--color-border); }
.tile-document-subtitle::placeholder { color: var(--color-gray-100); }

.tile-document-body {
  margin-top: 1.25rem;
  min-height: 300px;
  border: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.tile-document-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* ── Forms ── */
.form-wrapper { max-width: 480px; }
.form-wrapper h1 { margin-bottom: var(--space-md); }

.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: var(--space-sm); }
.field label { font-size: var(--text-xs); font-weight: 600; }
.field input, .field select, .field textarea {
  padding: var(--space-2xs) var(--space-xs);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-family: inherit;
}
.field input:focus, .field select:focus { outline: 2px solid var(--color-ink); border-color: transparent; }

.form-consent { display: flex; align-items: flex-start; gap: var(--space-2xs); margin-bottom: var(--space-sm); font-size: var(--text-sm); }
.form-consent input { margin-top: 0.2rem; flex-shrink: 0; }

.form-actions { display: flex; align-items: center; gap: var(--space-sm); margin-top: var(--space-md); }
.form-errors  { background: var(--color-error-bg); border: 1px solid var(--color-error-border); border-radius: var(--radius); padding: var(--space-xs) var(--space-sm); margin-bottom: var(--space-sm); font-size: var(--text-sm); }

/* ── Mobile (≤ 40rem / ~640px) ──
 *
 * The app's single breakpoint (documented in _global.css). Phone-sized tiles
 * are ~110px, so reclaim space: drop the body preview and tighten padding so
 * the title/subtitle aren't clipped. Edit responsive behaviour here — one block.
 */
@media (max-width: 40rem) {
  .app-main { padding: var(--space-md) var(--space-sm); }

  .tile-body-preview { display: none; }
  .tile-title-zone { padding: var(--space-3xs); }
  .tile-body-zone { padding: 0 var(--space-3xs) var(--space-sm); }

  .tile-document-page { margin-top: var(--space-md); padding: 0 var(--space-sm) calc(4rem + var(--safe-bottom)); }
}