/* FAVS shared styles — bump ?v= in HTML when editing (see AGENTS.md). */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #202124;
  --text-muted: #5f6368;
  --field-bg: #ffffff;
  --field-border: #dfe1e5;
  --field-text: #202124;
  --placeholder: #5f6368;
  --button-bg: #4285f4;
  --button-border: #4285f4;
  --button-text: #ffffff;
  --button-hover: #3367d6;
  --shadow: 0 1px 6px rgba(32, 33, 36, 0.18);
  --shadow-lg: 0 8px 28px rgba(32, 33, 36, 0.18);
  --focus-border: #4285f4;
  --focus-ring: rgba(66, 133, 244, 0.25);
  --card-bg: #f8f9fa;
  --card-border: #e6e8eb;
  --tile-bg: #ffffff;
  --tile-bg-hover: #eceef1;
  --tile-shadow: 0 2px 8px rgba(60, 64, 67, 0.2);
  --accent: #4285f4;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.2, 0, 0, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #202124;
    --text: #e8eaed;
    --text-muted: #9aa0a6;
    --field-bg: #303134;
    --field-border: #5f6368;
    --field-text: #e8eaed;
    --placeholder: #9aa0a6;
    --button-bg: #8ab4f8;
    --button-border: #8ab4f8;
    --button-text: #202124;
    --button-hover: #aecbfa;
    --shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
    --focus-border: #8ab4f8;
    --focus-ring: rgba(138, 180, 248, 0.28);
    --card-bg: #303134;
    --card-border: #5f6368;
    --tile-bg: #3b3c40;
    --tile-bg-hover: #4c4d52;
    --tile-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
    --accent: #8ab4f8;
  }
}

/* Explicit overrides win over system preference. */
html[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --text: #202124;
  --text-muted: #5f6368;
  --field-bg: #ffffff;
  --field-border: #dfe1e5;
  --field-text: #202124;
  --placeholder: #5f6368;
  --button-bg: #4285f4;
  --button-border: #4285f4;
  --button-text: #ffffff;
  --button-hover: #3367d6;
  --shadow: 0 1px 6px rgba(32, 33, 36, 0.18);
  --shadow-lg: 0 8px 28px rgba(32, 33, 36, 0.18);
  --focus-border: #4285f4;
  --focus-ring: rgba(66, 133, 244, 0.25);
  --card-bg: #f8f9fa;
  --card-border: #e6e8eb;
  --tile-bg: #ffffff;
  --tile-bg-hover: #eceef1;
  --tile-shadow: 0 2px 8px rgba(60, 64, 67, 0.2);
  --accent: #4285f4;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #202124;
  --text: #e8eaed;
  --text-muted: #9aa0a6;
  --field-bg: #303134;
  --field-border: #5f6368;
  --field-text: #e8eaed;
  --placeholder: #9aa0a6;
  --button-bg: #8ab4f8;
  --button-border: #8ab4f8;
  --button-text: #202124;
  --button-hover: #aecbfa;
  --shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --focus-border: #8ab4f8;
  --focus-ring: rgba(138, 180, 248, 0.28);
  --card-bg: #303134;
  --card-border: #5f6368;
  --tile-bg: #3b3c40;
  --tile-bg-hover: #4c4d52;
  --tile-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
  --accent: #8ab4f8;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

html { background-color: #ffffff; }

@media (prefers-color-scheme: dark) {
  html { background-color: #202124; }
}

html[data-theme="light"] { background-color: #ffffff; }
html[data-theme="dark"] { background-color: #202124; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input, select { font: inherit; }

:focus-visible {
  outline: 2px solid var(--focus-border);
  outline-offset: 2px;
}

/* ---- Main (start) page ---- */
.home {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 4rem 1rem 3rem;
  position: relative;
  overflow-x: clip;
}

.home::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(60rem 30rem at 50% -8rem, rgba(66, 133, 244, 0.09), transparent 70%);
  z-index: 0;
}

html[data-theme="dark"] .home::before,
html:not([data-theme]) .home::before {
  background: radial-gradient(60rem 30rem at 50% -8rem, rgba(138, 180, 248, 0.12), transparent 70%);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) .home::before {
    background: radial-gradient(60rem 30rem at 50% -8rem, rgba(138, 180, 248, 0.12), transparent 70%);
  }
}

.home > * { position: relative; z-index: 1; }

.topbar {
  position: fixed;
  top: 0;
  right: 0;
  padding: 0.75rem 1rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease), transform 0.18s var(--ease);
}

.icon-btn:hover {
  background: var(--card-bg);
  border-color: var(--card-border);
  color: var(--text);
  transform: rotate(24deg);
}

.icon-btn:active { transform: rotate(24deg) scale(0.94); }

.icon-btn svg {
  width: 1.3rem;
  height: 1.3rem;
  display: block;
}

.site-title {
  font-size: clamp(2.4rem, 6vw, 3.25rem);
  margin: 0 0 1.75rem;
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  text-align: center;
  text-wrap: balance;
}

.search-row {
  display: flex;
  align-items: stretch;
  width: min(92vw, 584px);
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow);
  overflow: clip;
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.search-row:hover { box-shadow: var(--shadow-lg); }

.search-row:focus-within {
  border-color: var(--focus-border);
  box-shadow: var(--shadow-lg), 0 0 0 4px var(--focus-ring);
}

.search-icon {
  display: inline-flex;
  align-items: center;
  padding-left: 1.15rem;
  padding-right: 0.15rem;
  color: var(--placeholder);
  flex: none;
}

.search-icon svg { width: 1.1rem; height: 1.1rem; display: block; }

.search-row input {
  flex: 1;
  min-width: 0;
  padding: 0.85rem 1rem 0.85rem 0.65rem;
  font-size: 1rem;
  color: var(--field-text);
  background: transparent;
  border: none;
  outline: none;
}

.search-row input:focus { outline: none; }
.search-row input:focus-visible { outline: none; }

.search-row input::placeholder { color: var(--placeholder); opacity: 1; }

.engine-select {
  border: none;
  border-left: 1px solid var(--field-border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0 0.75rem;
  margin: 0.45rem 0;
  max-width: 8.5rem;
  outline: none;
  cursor: pointer;
}

.engine-select:hover { color: var(--field-text); }

.engine-select[hidden] { display: none; }

.search-row button {
  padding: 0 1.5rem;
  margin: 0.3rem 0.3rem 0.3rem 0.25rem;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--button-text);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background 0.18s var(--ease), transform 0.12s var(--ease), filter 0.18s var(--ease);
}

.search-row button:hover { background: var(--button-hover); border-color: var(--button-hover); }
.search-row button:active { transform: scale(0.97); }

.bookmarks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 1rem 0.5rem;
  width: min(92vw, 760px);
  margin-top: 2rem;
  --bookmark-icon-size: 32px;
  --bookmark-text-size: 12px;
}

.bookmark-wrap {
  position: relative;
}

.bookmark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 6rem;
  padding: 0.35rem 0.25rem;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: var(--bookmark-text-size, 12px);
  font-weight: 400;
  line-height: 1.35;
  text-align: center;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), transform 0.12s var(--ease);
}

.bookmark:hover {
  background: transparent;
  border-color: transparent;
}

.bookmark:active { transform: scale(0.97); }

.bookmark img {
  width: calc(var(--bookmark-icon-size, 32px) + 28px);
  height: calc(var(--bookmark-icon-size, 32px) + 28px);
  padding: 14px;
  border-radius: 16px;
  background: var(--tile-bg);
  border: none;
  box-shadow: var(--tile-shadow);
  object-fit: contain;
  transition: background 0.18s var(--ease), transform 0.15s var(--ease);
}

.bookmark:hover img { background: var(--tile-bg-hover); }
.bookmark:active img { transform: scale(0.95); }

.bookmark span {
  max-width: 100%;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  overflow-wrap: break-word;
  min-height: calc(var(--bookmark-text-size, 12px) * 1.35 * 2);
}

.bookmark-add { color: var(--text-muted); }
.bookmark-add:hover { color: var(--text); }

.bookmark-add .bookmark-add-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--bookmark-icon-size, 32px) + 28px);
  height: calc(var(--bookmark-icon-size, 32px) + 28px);
  border-radius: 16px;
  background: transparent;
  border: 1.5px dashed var(--card-border);
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1;
  color: inherit;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.bookmark-add:hover .bookmark-add-icon {
  border-color: var(--accent);
  background: var(--tile-bg);
}

.bookmark-menu {
  position: absolute;
  top: 0;
  right: 10px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--field-bg);
  box-shadow: var(--shadow);
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s var(--ease), transform 0.15s var(--ease);
}

.bookmark-wrap:hover .bookmark-menu,
.bookmark-wrap:focus-within .bookmark-menu { display: inline-flex; }

.bookmark-menu:hover { color: var(--text); transform: scale(1.08); }

/* ---- Bookmark add/edit modal (start page) ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 18, 25, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 50;
  animation: backdrop-in 0.2s var(--ease);
}

.modal-backdrop[hidden] { display: none; }

.modal {
  width: min(92vw, 420px);
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  animation: modal-in 0.24s var(--ease);
}

@keyframes backdrop-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .modal-backdrop, .modal, .bookmark, .icon-btn, .search-row button { animation: none; transition: none; }
}

.modal h2 { margin: 0 0 1.1rem; font-size: 1.15rem; letter-spacing: -0.01em; }

.modal-field { margin-bottom: 1rem; }

.modal-field label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}

.modal-field input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  border-radius: 12px;
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--field-text);
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.modal-field input:focus { border-color: var(--focus-border); box-shadow: 0 0 0 3px var(--focus-ring); }

.modal-error {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: #d93025;
}

.modal-error[hidden] { display: none; }

.modal-actions { display: flex; align-items: center; gap: 0.6rem; margin-top: 1.1rem; }

.modal-spacer { flex: 1; }

.modal .btn {
  display: inline-block;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--button-text);
  border-radius: 12px;
  padding: 0.6rem 1.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s var(--ease), transform 0.12s var(--ease), background 0.15s var(--ease);
}

.modal .btn:hover { filter: brightness(0.96); }
.modal .btn:active { transform: scale(0.97); }

.modal .btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--card-border);
}

.modal .btn.secondary:hover { background: var(--card-bg); }

.modal .btn.danger {
  background: transparent;
  color: #d93025;
  border-color: rgba(217, 48, 37, 0.5);
}

.modal .btn.danger:hover { background: rgba(217, 48, 37, 0.1); border-color: #d93025; }