/* =============================================================================
   Tools list: filters, grid, views
   ============================================================================= */

.main-tools-view {
  width: 100%;
  max-width: min(1200px, 100%);
  margin: 0 auto;
  padding-bottom: 32px;
}

/* ----- Filter bar ----- */
.filter-controls {
  position: sticky;
  top: 0;
  z-index: 30;
  margin: 0 0 clamp(16px, 2vw, 28px);
  padding: clamp(10px, 1.5vw, 14px);
  padding-bottom: 12px;
  text-align: center;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg, 14px);
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.filter-controls input[type="search"],
.filter-controls input[type="text"] {
  width: min(100%, 420px);
  max-width: 100%;
  min-height: 44px;
  padding: 12px 16px;
  font-size: 16px;
  line-height: 1.35;
  border-radius: var(--radius-md, 12px);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  margin-bottom: 12px;
  transition: border-color var(--transition-fast, 0.15s ease), box-shadow var(--transition-fast, 0.15s ease);
  -webkit-appearance: none;
  appearance: none;
}

.filter-controls input::placeholder {
  color: var(--muted);
}

.filter-controls input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent);
}

/* Letter chips: horizontal scroll on narrow screens */
.letter-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  padding: 4px 0;
  max-width: 100%;
}

@media (max-width: 600px) {
  .letter-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    padding-bottom: 8px;
    margin-inline: -4px;
    padding-inline: 4px;
    mask-image: linear-gradient(to right, transparent, #000 12px, #000 calc(100% - 12px), transparent);
  }

  .letter-filter button {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }
}

.letter-filter button {
  min-width: 40px;
  min-height: 40px;
  padding: 8px 10px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm, 8px);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition-fast, 0.15s ease), color var(--transition-fast, 0.15s ease),
    border-color var(--transition-fast, 0.15s ease), transform var(--transition-fast, 0.15s ease);
}

.letter-filter button:hover {
  background: var(--hover);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

.letter-filter button.active {
  background: linear-gradient(135deg, var(--primary), #818cf8);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.08));
}

.letter-filter button.active:hover {
  filter: brightness(1.05);
}

body.dark .letter-filter button {
  background: var(--panel-2);
  border-color: var(--border);
  color: var(--text);
}

body.dark .letter-filter button.active {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}

/* ----- Sections ----- */
.alpha-section {
  margin-bottom: clamp(28px, 4vw, 44px);
  scroll-margin-top: 96px;
}

.alpha-section h3 {
  font-size: clamp(1.125rem, 1vw + 1rem, 1.4rem);
  margin: 0 0 14px;
  padding-bottom: 8px;
  color: var(--text);
  border-bottom: 2px solid color-mix(in srgb, var(--primary) 55%, var(--border));
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ----- Tool cards grid ----- */
.tools-grid {
  --tool-card-min: 160px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(var(--tool-card-min), 100%), 1fr));
  gap: clamp(12px, 1.5vw, 18px);
  width: 100%;
  max-width: 100%;
}

@media (min-width: 1280px) {
  .tools-grid {
    --tool-card-min: 180px;
  }
}

@media (min-width: 1920px) {
  .tools-grid {
    --tool-card-min: 200px;
    gap: 20px;
  }
}

@media (max-width: 479px) {
  .tools-grid {
    --tool-card-min: 140px;
    gap: 10px;
  }
}

@media (max-width: 359px) {
  .tools-grid {
    --tool-card-min: 100%;
  }
}

.tools-grid a,
.tools-grid .tool-check {
  position: relative;
  z-index: 1;
  pointer-events: auto;
}

.tools-grid .tool-check {
  display: flex;
  align-items: stretch;
  gap: 10px;
  padding: 0;
  margin: 0;
  min-height: 48px;
  border-radius: var(--radius-md, 12px);
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.06));
  transition: border-color var(--transition-med, 0.22s ease), box-shadow var(--transition-med, 0.22s ease),
    transform var(--transition-med, 0.22s ease), background var(--transition-med, 0.22s ease);
  overflow: hidden;
}

.tools-grid .tool-check:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.tools-grid .tool-check input[type="checkbox"] {
  width: 22px;
  height: 22px;
  min-width: 22px;
  min-height: 22px;
  margin: 14px 0 14px 12px;
  align-self: center;
  cursor: pointer;
  accent-color: var(--primary);
}

.tools-grid .tool-check a {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 12px 0;
  text-decoration: none;
  color: var(--text);
  font-size: clamp(0.875rem, 0.2vw + 0.82rem, 0.95rem);
  font-weight: 500;
  line-height: 1.35;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: background var(--transition-fast, 0.15s ease);
}

.tools-grid .tool-check a:hover {
  background: var(--hover);
}

.tools-grid .tool-check a::after {
  display: none;
}

.tools-grid a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--text);
  font-size: clamp(0.875rem, 0.2vw + 0.82rem, 0.95rem);
  font-weight: 500;
  line-height: 1.35;
  word-break: break-word;
  overflow-wrap: anywhere;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md, 12px);
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.06));
  transition: border-color var(--transition-med, 0.22s ease), box-shadow var(--transition-med, 0.22s ease),
    transform var(--transition-med, 0.22s ease), background var(--transition-med, 0.22s ease);
  overflow: hidden;
}

.tools-grid a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.tools-grid a:hover {
  background: var(--hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md, 0 6px 18px rgba(15, 23, 42, 0.08));
}

.tools-grid a:hover::after {
  opacity: 1;
}

body.dark .tools-grid a::after {
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

.tool-emoji {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1;
  flex-shrink: 0;
  transition: transform var(--transition-med, 0.22s ease);
}

.tools-grid a:hover .tool-emoji,
.tools-grid .tool-check a:hover .tool-emoji {
  transform: rotate(12deg) scale(1.08);
}

.no-tools {
  display: block;
  padding: 16px;
  text-align: center;
  color: var(--muted);
  font-style: italic;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md, 12px);
  background: var(--panel-2);
}

/* ----- New / saved views ----- */
.new-tool-view,
.saved-tools-view {
  width: 100%;
  max-width: min(520px, 100%);
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg, 14px);
  padding: clamp(16px, 3vw, 22px);
  box-shadow: var(--shadow, 0 6px 18px rgba(0, 0, 0, 0.08));
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.new-tool-view h2,
.saved-tools-view h2 {
  margin: 0;
  font-size: clamp(1.15rem, 1vw + 1rem, 1.35rem);
  color: var(--text);
}

.new-tool-view input,
.new-tool-view select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font-size: 16px;
  border-radius: var(--radius-md, 12px);
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition-fast, 0.15s ease), box-shadow var(--transition-fast, 0.15s ease);
}

.new-tool-view input:focus,
.new-tool-view select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
}

.new-tool-view input::placeholder {
  color: var(--muted);
}

.new-tool-view input[type="color"] {
  min-height: 48px;
  padding: 6px;
  cursor: pointer;
}

.new-tool-view button {
  min-height: 48px;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md, 12px);
  border: none;
  cursor: pointer;
  background: var(--btn-bg);
  color: var(--btn-text);
  transition: transform var(--transition-fast, 0.15s ease), filter var(--transition-fast, 0.15s ease);
}

.new-tool-view button:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.new-tool-view button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.back-btn {
  margin-top: 4px;
  min-height: 48px;
  padding: 12px 16px;
  border-radius: var(--radius-md, 12px);
  border: 1px solid var(--saved-border, var(--border));
  background: transparent;
  color: var(--saved-text, var(--text));
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: background var(--transition-fast, 0.15s ease), transform var(--transition-fast, 0.15s ease);
}

.back-btn:hover {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
}

.back-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Empty search */
.no-results-msg {
  text-align: center;
  font-style: italic;
  color: var(--muted);
  margin: 24px 0 32px;
  padding: 16px;
  display: none;
  border-radius: var(--radius-md, 12px);
  border: 1px dashed var(--border);
  background: var(--panel-2);
}

.no-results-msg.is-visible {
  display: block;
}

body.dark .no-results-msg {
  color: var(--muted);
  border-color: var(--border);
  background: var(--panel-2);
}

/* Legacy container (unused in index; harmless) */
.tools-container1 {
  width: 100%;
  padding: clamp(24px, 4vw, 48px) var(--app-pad, 16px);
  box-sizing: border-box;
}

.tools-container1 h2 {
  text-align: center;
  font-size: clamp(1.5rem, 2vw + 1rem, 2rem);
  margin-bottom: 24px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}