:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #16181d;
  --muted: #6b7280;
  --accent: #111827;
  --danger: #dc2626;
  --radius: 16px;
  --input-border: #e5e7eb;
  --skeleton-base: #e5e7eb;
  --skeleton-shine: #f3f4f6;
  --toast-bg: #1f2937;
  --toast-text: #f9fafb;
  --dialog-bg: #ffffff;
}

* { box-sizing: border-box; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.container {
  width: min(1150px, 92vw);
  margin: 2.2rem auto 4rem;
}

h1 {
  margin: 0 0 0.3rem;
  width: 100%;
  font-family: "Outfit", "Segoe UI", system-ui, sans-serif;
  font-size: clamp(1.85rem, 2.6vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.3px;
  text-align: center;
  background: linear-gradient(135deg, #00ffab, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Board --- */

.board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 240px));
  justify-content: center;
  gap: 1rem;
}

.board-wide {
  grid-column: 1 / -1;
}

/* --- Composer --- */

.composer {
  background: var(--card);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--input-border);
}

.composer:focus-within {
  border-color: var(--accent);
}

#urlInputLine {
  width: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  padding: 0.4rem 0.2rem;
  font: inherit;
  font-size: 1rem;
  outline: none;
}

#urlInputLine::placeholder { color: var(--muted); }
#urlInputLine:focus-visible { outline: none; }

/* --- Filter bar --- */

.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.15rem 0;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: 1px solid var(--input-border);
  border-radius: 20px;
  padding: 0.28rem 0.75rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 160ms, color 160ms, border-color 160ms;
}

.filter-pill:hover:not(.active) {
  border-color: var(--accent);
  color: var(--text);
}

.filter-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.filter-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.filter-pill.active .filter-dot {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5);
}

/* --- Cards --- */

.card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition:
    transform 220ms cubic-bezier(0.2, 0.7, 0.15, 1.05),
    box-shadow 220ms ease,
    border-color 220ms ease;
  will-change: transform;
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.1);
  z-index: 2;
}

.card[data-tag="blue"]:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
}

.card[data-tag="red"]:hover {
  border-color: rgba(244, 63, 94, 0.4);
  box-shadow: 0 8px 24px rgba(244, 63, 94, 0.12);
}

.card:active { transform: translateY(-2px); }
.card[hidden] { display: none; }

.card.dragging {
  opacity: 0.3;
  transform: scale(0.95);
  filter: grayscale(0.5);
}

.card.drag-over {
  outline: 3px solid #6366f1;
  outline-offset: 2px;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.2);
}

.imgWrap {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: var(--skeleton-base);
  position: relative;
  overflow: hidden;
}

.imgWrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 300ms ease;
}

.card:hover .imgWrap img { transform: scale(1.04); }

.meta {
  padding: 0.72rem 0.78rem 0.85rem;
}

.title {
  margin: 0 0 0.3rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
  min-height: 2.35em;
}

.host {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cardLink {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* --- Tag dots on cards --- */

.tag-dots {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 4;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 150ms ease;
}

.card:hover .tag-dots {
  opacity: 1;
}

.tag-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  cursor: pointer;
  opacity: 0.45;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.25);
  transition: opacity 150ms, transform 150ms;
}

.tag-dot:hover {
  opacity: 1;
  transform: scale(1.15);
}

.tag-dot.active {
  opacity: 1;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

@media (hover: none) {
  .tag-dots {
    opacity: 1;
  }
}

/* --- Remove button --- */

.removeBtn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 160ms ease, transform 160ms ease, background 160ms ease;
  z-index: 4;
}

.removeBtn svg {
  width: 14px;
  height: 14px;
}

.card:hover .removeBtn {
  opacity: 1;
  transform: translateY(0);
}

.removeBtn:hover { background: var(--danger); }
.removeBtn:focus-visible { opacity: 1; transform: translateY(0); outline-offset: 0; }

@media (hover: none) {
  .removeBtn {
    opacity: 0.85;
    transform: translateY(0);
  }
}

/* --- Skeleton loading --- */

.skeleton .imgWrap {
  background: linear-gradient(90deg, var(--skeleton-base) 25%, var(--skeleton-shine) 50%, var(--skeleton-base) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite ease-in-out;
}

.skeleton .imgWrap img { opacity: 0; }

.skeleton .title,
.skeleton .host {
  background: linear-gradient(90deg, var(--skeleton-base) 25%, var(--skeleton-shine) 50%, var(--skeleton-base) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite ease-in-out;
  color: transparent;
  border-radius: 4px;
}

.skeleton .title { width: 80%; min-height: 1.15em; }
.skeleton .host  { width: 50%; }

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Empty state --- */

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 0.5rem;
  opacity: 0.4;
}

.empty-state p { margin: 0; }
.empty-state[hidden] { display: none; }

/* --- Toast notifications --- */

.toast-container {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column-reverse;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--toast-bg);
  color: var(--toast-text);
  padding: 0.6rem 1.1rem;
  border-radius: 10px;
  font-size: 0.88rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  pointer-events: auto;
  animation: toastIn 250ms ease, toastOut 250ms ease 2750ms forwards;
  max-width: 340px;
  text-align: center;
}

.toast.toast-error {
  background: var(--danger);
  color: #fff;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(10px); }
}

/* --- Privacy dialog --- */

.privacy-dialog {
  border: 0;
  border-radius: var(--radius);
  background: var(--dialog-bg);
  color: var(--text);
  padding: 1.8rem;
  max-width: 420px;
  width: 90vw;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  font: inherit;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

.privacy-dialog::backdrop {
  background: rgba(0, 0, 0, 0.35);
}

.privacy-dialog h2 {
  margin: 0 0 0.6rem;
  font-family: "Outfit", "Segoe UI", system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
}

.privacy-dialog p {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.privacy-dialog button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 0.5rem 1.3rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 160ms;
}

.privacy-dialog button:hover { opacity: 0.85; }