/* =========
   Base styles
   ========= */
:root {
  --color-bg: #f7f4ee;
  --color-card: #ffffff;
  --color-gold: #d6a75c;
  --color-sage: #c7d2c5;
  --color-text: #2c2c2c;
  --color-muted: #7a7a7a;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.06);
  --shadow-soft-hover: 0 12px 30px rgba(0, 0, 0, 0.09);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Remove focus outlines only when mouse is used; keep for keyboard */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =========
   Header
   ========= */
.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: linear-gradient(
    120deg,
    rgba(214, 167, 92, 0.12),
    rgba(199, 210, 197, 0.4)
  );
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(44, 44, 44, 0.05);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: radial-gradient(circle at 10% 20%, #d6a75c 0, #c7d2c5 55%);
  box-shadow: var(--shadow-soft);
}

.brand-text h1 {
  margin: 0;
  font-size: 1.3rem;
}

.brand-text p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* =========
   Main layout
   ========= */
.app-main {
  flex: 1;
  padding: 1.25rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* Controls */
.controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: stretch;
}

/* Search */
.search-label {
  flex: 1 1 220px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(44, 44, 44, 0.06);
}

.search-icon {
  font-size: 0.95rem;
  color: var(--color-muted);
}

#search-input {
  border: none;
  outline: none;
  background: transparent;
  width: 100%;
  font-size: 0.95rem;
  color: var(--color-text);
}

#search-input::placeholder {
  color: rgba(44, 44, 44, 0.4);
}

/* Category filters */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.category-btn {
  border-radius: var(--radius-pill);
  border: 1px solid rgba(44, 44, 44, 0.08);
  padding: 0.25rem 0.85rem;
  font-size: 0.82rem;
  background-color: rgba(255, 255, 255, 0.7);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.15s ease, box-shadow 0.15s ease,
    transform 0.12s ease, border-color 0.15s ease;
}

.category-btn:hover {
  background-color: #ffffff;
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.category-btn.active {
  background-color: var(--color-gold);
  border-color: rgba(44, 44, 44, 0.1);
}

/* =========
   Prompt list & cards
   ========= */
.prompt-list-section {
  margin-top: 0.75rem;
  margin-bottom: 1.5rem;
}

.prompt-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1rem;
}

.prompt-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 0.85rem 0.95rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(44, 44, 44, 0.04);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: box-shadow 0.18s ease, transform 0.16s ease;
}

.prompt-card:hover {
  box-shadow: var(--shadow-soft-hover);
  transform: translateY(-2px);
}

.prompt-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.prompt-title {
  font-size: 0.98rem;
  font-weight: 600;
  margin: 0;
}

.prompt-category-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: var(--radius-pill);
  padding: 0.15rem 0.6rem;
  font-size: 0.75rem;
  background-color: var(--color-sage);
  color: var(--color-text);
  align-self: flex-start;
  white-space: nowrap;
}

.prompt-description {
  margin: 0;
  font-size: 0.84rem;
  color: var(--color-muted);
}

.prompt-body {
  border-radius: var(--radius-md);
  background-color: #fbfaf7;
  border: 1px solid rgba(44, 44, 44, 0.05);
  padding: 0.6rem 0.7rem;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--color-text);
  position: relative;
}

.prompt-body pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 0.8rem;
}

/* Card actions */
.prompt-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.3rem;
  gap: 0.5rem;
}

/* Buttons */
.btn {
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-gold);
  color: var(--color-text);
  font-weight: 500;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.15s ease, transform 0.12s ease,
    background-color 0.15s ease, opacity 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  box-shadow: var(--shadow-soft-hover);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.7;
  cursor: default;
  transform: none;
  box-shadow: var(--shadow-soft);
}

.btn-primary {
  background-color: var(--color-gold);
}

.btn-ghost {
  background-color: rgba(247, 244, 238, 0.7);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(44, 44, 44, 0.06);
  box-shadow: none;
}

.btn-ghost:hover {
  background-color: #ffffff;
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: rgba(247, 244, 238, 0.2);
  border: 1px solid rgba(44, 44, 44, 0.18);
  box-shadow: none;
}

.btn-outline.active {
  background-color: var(--color-gold);
  border-color: rgba(44, 44, 44, 0.2);
}

.btn-pill {
  border-radius: var(--radius-pill);
}

/* Favorite button */
.favorite-btn {
  border-radius: 999px;
  border: none;
  padding: 0.25rem 0.5rem;
  min-width: 2.1rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background-color: transparent;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.12s ease, background-color 0.15s ease,
    box-shadow 0.15s ease;
}

.favorite-btn:hover {
  transform: translateY(-1px);
  background-color: rgba(214, 167, 92, 0.12);
}

.favorite-btn span {
  pointer-events: none;
}

.favorite-btn.is-favorite span {
  filter: drop-shadow(0 0 3px rgba(214, 167, 92, 0.7));
}

/* Empty state */
.empty-state {
  margin-top: 1rem;
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(44, 44, 44, 0.15);
  background-color: rgba(255, 255, 255, 0.9);
}

.empty-state h2 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
}

.empty-state p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.hidden {
  display: none !important;
}

/* =========
   Custom prompt builder
   ========= */
.custom-builder-section {
  margin-bottom: 2rem;
}

.custom-builder-details {
  border-radius: var(--radius-lg);
  background-color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(44, 44, 44, 0.05);
  box-shadow: var(--shadow-soft);
  padding: 0.5rem 0.85rem 0.75rem;
}

.custom-builder-summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
}

.custom-builder-summary::-webkit-details-marker {
  display: none;
}

.custom-prompt-form {
  margin-top: 0.75rem;
  border-top: 1px solid rgba(44, 44, 44, 0.06);
  padding-top: 0.7rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  color: var(--color-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(44, 44, 44, 0.15);
  font-size: 0.86rem;
  padding: 0.35rem 0.5rem;
  font-family: inherit;
  color: var(--color-text);
  background-color: #ffffff;
}

.form-field textarea {
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(44, 44, 44, 0.35);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.6rem;
  flex-wrap: wrap;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin: 0;
}

/* =========
   Footer
   ========= */
.app-footer {
  padding: 0.9rem 1.25rem 1.2rem;
  border-top: 1px solid rgba(44, 44, 44, 0.05);
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* =========
   Responsive
   ========= */
@media (max-width: 720px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .app-main {
    padding: 1rem;
  }

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