/* ═══════════════════════════════════════════════════════════════
   TOOLVAULT — components.css
   All reusable UI components: buttons, inputs, cards, dropzone,
   badge, progress, modal, toast, search dropdown, sliders.
   ═══════════════════════════════════════════════════════════════ */

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--r);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  border: 1px solid transparent;
  line-height: 1;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--ac);
  color: #fff;
  border-color: var(--ac);
}
.btn-primary:hover { opacity: 0.88; }
.btn-primary:active { transform: scale(0.98); }

.btn-ghost {
  background: transparent;
  color: var(--tx2);
  border-color: var(--bd);
}
.btn-ghost:hover { background: var(--bg3); color: var(--tx); border-color: var(--bd2); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover { opacity: 0.88; }

.btn-sm  { padding: 0.4rem 0.85rem; font-size: 0.78rem; }
.btn-lg  { padding: 0.75rem 1.75rem; font-size: 0.95rem; }
.btn-icon { padding: 0.55rem; width: 36px; height: 36px; border-radius: var(--r); }
.btn-icon.btn-sm { width: 30px; height: 30px; padding: 0.35rem; }

/* Spinner inside button */
.btn .spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ── Inputs ── */
.input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: var(--r);
  color: var(--tx);
  padding: 0.6rem 0.85rem;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus {
  border-color: var(--ac);
  box-shadow: 0 0 0 3px var(--ac-dim);
}
.input::placeholder { color: var(--tx3); }

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.input-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--tx2);
}
.input-hint {
  font-size: 0.72rem;
  color: var(--tx3);
}
.input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.input-row .input { border-radius: var(--r) 0 0 var(--r); }
.input-row .btn { border-radius: 0 var(--r) var(--r) 0; flex-shrink: 0; }

textarea.input { resize: vertical; min-height: 100px; line-height: 1.5; }

/* Range slider */
.range-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--bd2);
  border-radius: 99px;
  outline: none;
  cursor: pointer;
}
.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--ac);
  box-shadow: 0 0 0 3px var(--ac-dim);
  cursor: grab;
}
.range-input::-webkit-slider-thumb:active { cursor: grabbing; }
.range-input::-moz-range-thumb {
  width: 16px; height: 16px;
  border: none;
  border-radius: 50%;
  background: var(--ac);
}

/* ── Select ── */
.select {
  appearance: none;
  background: var(--bg2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239a8e7e'/%3E%3C/svg%3E") no-repeat right 0.75rem center;
  border: 1px solid var(--bd);
  border-radius: var(--r);
  color: var(--tx);
  padding: 0.6rem 2rem 0.6rem 0.85rem;
  font-size: 0.88rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
}
.select:focus { border-color: var(--ac); }

/* ── Cards ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  padding: 1.25rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card-hover:hover { border-color: var(--bd2); box-shadow: var(--shadow); }
.card-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.card-title {
  font-family: 'Fraunces', serif;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--tx2);
  margin-bottom: 0.5rem;
}

/* ── Tool grid ── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 0.85rem;
}
@media (max-width: 600px) {
  .tool-grid { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); gap: 0.6rem; }
}

/* Related tools (smaller grid inside tool pages) */
.related-tools { margin-top: 1.5rem; }
.related-tools-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--tx3);
  margin-bottom: 0.65rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.65rem;
}

/* ── Tool cards ── */
.tool-card {
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  padding: 1.1rem;
  cursor: pointer;
  transition: all 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.tool-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--rl);
  background: var(--ac-dim);
  opacity: 0;
  transition: opacity 0.18s;
}
.tool-card:hover::after { opacity: 1; }
.tool-card:hover { border-color: var(--ac); transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; }
/* .tool-card.featured — intentionally unstyled; featured flag used for search ranking only */

.tool-icon  { font-size: 1.5rem; line-height: 1; }
.tool-name  { font-size: 0.88rem; font-weight: 600; color: var(--tx); letter-spacing: -0.01em; }
.tool-desc  { font-size: 0.75rem; color: var(--tx2); line-height: 1.4; flex: 1; }
.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tx3);
  background: var(--bg3);
  border: 1px solid var(--bd);
  padding: 2px 6px;
  border-radius: 3px;
  width: fit-content;
  margin-top: auto;
}
/* badge on featured cards: same as standard */
.tool-badge::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: 0.6; }
.tool-card-soon { cursor: default; opacity: 0.55; }
.tool-card-soon:hover { border-color: var(--bd); transform: none; box-shadow: none; }
.tool-card-soon::after { display: none; }

/* ── Dropzone ── */
.dropzone {
  border: 2px dashed var(--bd2);
  border-radius: var(--rl);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 180px;
}
.dropzone:hover,
.dropzone.drag-over { border-color: var(--ac); background: var(--ac-dim); }
.dropzone-icon { font-size: 2rem; opacity: 0.5; }
.dropzone-title { font-size: 0.9rem; font-weight: 500; color: var(--tx); }
.dropzone-sub   { font-size: 0.78rem; color: var(--tx3); }
.dropzone input[type="file"] { display: none; }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 99px;
  line-height: 1;
}
.badge-accent  { background: var(--ac-dim); color: var(--ac); }
.badge-muted   { background: var(--bg3); color: var(--tx2); }
.badge-success { background: rgba(90,171,106,0.15); color: var(--success); }
.badge-danger  { background: rgba(224,82,82,0.12); color: var(--danger); }

/* ── Progress bar ── */
.progress {
  width: 100%;
  height: 6px;
  background: var(--bg3);
  border-radius: 99px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--ac);
  border-radius: 99px;
  transition: width 0.3s ease;
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--bd);
  margin: 1rem 0;
}

/* ── Toast notifications ── */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  pointer-events: none;
}
.toast {
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: var(--r);
  padding: 0.75rem 1.1rem;
  font-size: 0.82rem;
  color: var(--tx);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  pointer-events: all;
  animation: toast-in 0.25s ease;
  max-width: 320px;
}
.toast.out { animation: toast-out 0.25s ease forwards; }
.toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--ac); }

@keyframes toast-in  { from { opacity:0; transform:translateY(8px); } }
@keyframes toast-out { to   { opacity:0; transform:translateY(8px); } }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fade-in 0.18s ease;
}
.modal {
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  padding: 1.75rem;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: slide-up 0.2s ease;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.modal-title { font-family: 'Fraunces', serif; font-size: 1.1rem; }
.modal-body  { color: var(--tx2); font-size: 0.88rem; line-height: 1.6; }
.modal-footer { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1.25rem; }

@keyframes fade-in  { from { opacity:0; } }
@keyframes slide-up { from { transform: translateY(12px); opacity:0; } }

/* ── Search dropdown ── */
.search-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: var(--r);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  overflow: hidden;
  max-height: 320px;
  overflow-y: auto;
  animation: slide-up 0.12s ease;
}
.search-section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--tx3);
  padding: 0.45rem 0.75rem 0.2rem;
}
.search-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.75rem;
  cursor: pointer;
  transition: background 0.08s;
  text-decoration: none;
  color: inherit;
  line-height: 1;
}
.search-item:hover,
.search-item.active { background: var(--bg3); }
.search-item-icon  { font-size: 0.85rem; width: 18px; text-align: center; flex-shrink: 0; color: var(--tx2); }
.search-item-info  { flex: 1; min-width: 0; display: flex; align-items: baseline; gap: 0.4rem; }
.search-item-name  { font-size: 0.82rem; font-weight: 500; color: var(--tx); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-item-desc  { display: none; }
.search-item-cat   { font-family: 'DM Mono', monospace; font-size: 0.58rem; color: var(--tx3); white-space: nowrap; flex-shrink: 0; }

/* highlight matched text */
.search-item-name mark { background: var(--ac-dim); color: var(--ac); border-radius: 2px; padding: 0 1px; }

/* ── Color picker swatch ── */
.color-swatch-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.color-swatch {
  width: 36px; height: 36px;
  border-radius: var(--r);
  border: 2px solid var(--bd);
  cursor: pointer;
  overflow: hidden;
}
.color-swatch input[type="color"] {
  width: 100%; height: 100%;
  border: none; background: none; padding: 0; cursor: pointer;
  opacity: 0; position: absolute;
}
.color-swatch { position: relative; }

/* ── Output panel ── */
.output-panel {
  background: var(--bg);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  overflow: hidden;
}
.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--bd);
  background: var(--bg2);
}
.output-body {
  padding: 1rem;
  overflow: auto;
}

/* ── Canvas container ── */
.canvas-wrap {
  background: var(--bg);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  position: relative;
}
.canvas-wrap canvas { max-width: 100%; max-height: 500px; object-fit: contain; }

/* ── Checkerboard bg (for transparency) ── */
.checkered {
  background-image:
    linear-gradient(45deg, var(--bg3) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg3) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg3) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg3) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

/* ── Spinner ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner-lg {
  width: 36px; height: 36px;
  border: 3px solid var(--bd);
  border-top-color: var(--ac);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--bg3);
  border-radius: var(--r);
  padding: 3px;
  width: fit-content;
}
.tab-btn {
  padding: 0.4rem 0.9rem;
  border-radius: calc(var(--r) - 2px);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--tx2);
  transition: all 0.15s;
  cursor: pointer;
  border: none;
  background: none;
}
.tab-btn.active { background: var(--bg2); color: var(--tx); box-shadow: var(--shadow); }
.tab-btn:not(.active):hover { color: var(--tx); }

/* ── Step indicator ── */
.steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 1.5rem;
}
.step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--tx3);
}
.step.active { color: var(--ac); }
.step.done   { color: var(--success); }
.step-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg3);
  border: 1px solid var(--bd);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
}
.step.active .step-num { background: var(--ac); border-color: var(--ac); color: #fff; }
.step.done  .step-num  { background: var(--success); border-color: var(--success); color: #fff; }
.step-connector { width: 2rem; height: 1px; background: var(--bd); margin: 0 0.25rem; }

/* ── Button group ── */
.btn-group {
  display: flex;
}
.btn-group .btn {
  border-radius: 0;
}
.btn-group .btn:first-child { border-radius: var(--r) 0 0 var(--r); }
.btn-group .btn:last-child  { border-radius: 0 var(--r) var(--r) 0; }
.btn-group .btn:not(:last-child) { border-right-color: transparent; }

/* ── Form aliases (form-group / form-label / form-input / form-select) ── */
/* Mirrors input-group / input-label / input / select for consistency with the guide. */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--tx2);
}
.form-input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: var(--r);
  color: var(--tx);
  padding: 0.6rem 0.85rem;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus {
  border-color: var(--ac);
  box-shadow: 0 0 0 3px var(--ac-dim);
}
.form-input::placeholder { color: var(--tx3); }
/* color-scheme for date/time pickers is inherited from [data-theme] root rule in core.css */

.form-select {
  appearance: none;
  background: var(--bg2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239a8e7e'/%3E%3C/svg%3E") no-repeat right 0.75rem center;
  border: 1px solid var(--bd);
  border-radius: var(--r);
  color: var(--tx);
  padding: 0.6rem 2rem 0.6rem 0.85rem;
  font-size: 0.88rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
.form-select:focus { border-color: var(--ac); }

/* ── Kbd ── */
kbd {
  display: inline-flex;
  align-items: center;
  background: var(--bg3);
  border: 1px solid var(--bd);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 6px;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--tx2);
  line-height: 1.6;
}