:root {
  --bg: #eef5fb;
  --panel: #ffffff;
  --text: #102033;
  --muted: #5e738a;
  --border: #d6e3ef;
  --primary: #2b5f9e;
  --primary-dark: #1f4777;
  --accent: #dceeff;
  --danger: #b91c1c;
  --food: #8b5e34;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(120deg, #2b5f9e, #4d84c7);
  color: #fff;
}
.hero h1 { margin: 0 0 .25rem 0; }
.hero p { margin: 0; opacity: .95; }
.back-link {
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 8px;
  padding: .5rem .75rem;
}

.layout {
  max-width: 1320px;
  margin: 1rem auto 2rem;
  padding: 0 1rem;
  display: grid;
  gap: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(16, 32, 51, .06);
}

.intro-panel {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  align-items: start;
}

.auth-box, .stack {
  display: grid;
  gap: .7rem;
}

label {
  display: grid;
  gap: .3rem;
  font-size: .95rem;
}

input, select, textarea, button {
  font: inherit;
}

input, select, textarea {
  width: 100%;
  border: 1px solid #c7d8e7;
  border-radius: 10px;
  padding: .65rem .75rem;
  background: #fff;
}

button {
  border: 0;
  border-radius: 10px;
  padding: .7rem .9rem;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}
button:hover { background: var(--primary-dark); }
.muted-btn { background: #6b7280; }
.danger-btn { background: var(--danger); }
.small-btn { padding: .42rem .65rem; font-size: .86rem; }

.row {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
}
.row.end { justify-content: flex-end; }
.row.spread { justify-content: space-between; }
.row.top-align { align-items: flex-start; }
.wrap { flex-wrap: wrap; }
.small-gap { gap: .4rem; }
.gap-sm { gap: .5rem; }
.time-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.muted { color: var(--muted); }
.hidden { display: none !important; }
.tiny-label { font-size: .82rem; }

.suggestion-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: .85rem;
}

.chip-btn {
  background: #e9f1fa;
  color: var(--primary-dark);
  padding: .45rem .7rem;
}
.chip-btn.active {
  background: var(--primary);
  color: #fff;
}

#suggestions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .85rem;
}

.suggestion-card {
  background: #fff;
  border: 1px solid #d6e3ef;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(16, 32, 51, .05);
}
.suggestion-card.dragging { opacity: .5; }
.suggestion-image-wrap {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #dceeff, #f3f8fd);
  padding: .9rem;
  display: flex;
  align-items: flex-end;
}
.suggestion-hero {
  width: 100%;
  border-radius: 12px;
  padding: .9rem;
  background: linear-gradient(180deg, rgba(43,95,158,.88), rgba(20,43,70,.92));
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.suggestion-body {
  padding: .9rem;
  display: grid;
  gap: .65rem;
}
.suggestion-title {
  margin: .2rem 0 0 0;
  font-size: 1.08rem;
}
.suggestion-sub {
  margin: .3rem 0 0 0;
  color: rgba(255,255,255,.88);
  font-size: .92rem;
}
.suggestion-notes {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.42;
}
.suggestion-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.suggestion-links a {
  color: var(--primary-dark);
  text-decoration: none;
  border: 1px solid #cfe0ef;
  border-radius: 999px;
  padding: .35rem .55rem;
  font-size: .85rem;
  background: #f7fbff;
}
.suggestion-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .22rem .48rem;
  font-size: .76rem;
  font-weight: 600;
  background: rgba(255,255,255,.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,.18);
}
.suggestion-tag.food {
  background: rgba(139,94,52,.28);
  color: #fff;
}
.suggestion-tag.must {
  background: rgba(22,101,52,.4);
  color: #fff;
}
.add-to-day-row {
  align-items: center;
}
.mini-day-btn {
  padding: .38rem .58rem;
  min-width: 2.2rem;
  background: #e9f1fa;
  color: var(--primary-dark);
}
.mini-day-btn:hover { background: #d7e7f8; }

.board {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: .85rem;
}

.day-column {
  background: rgba(255,255,255,.75);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .8rem;
  min-height: 320px;
}

.day-column h2 {
  margin: 0 0 .2rem 0;
  font-size: 1.05rem;
}
.day-sub { margin: 0 0 .75rem 0; color: var(--muted); font-size: .88rem; }
.day-list {
  display: grid;
  gap: .65rem;
  min-height: 180px;
}
.day-list.drag-over {
  outline: 2px dashed #7aa7dd;
  outline-offset: 4px;
  border-radius: 10px;
}

.plan-item {
  background: #fff;
  border: 1px solid #d6e3ef;
  border-radius: 12px;
  padding: .75rem;
  box-shadow: 0 6px 14px rgba(16, 32, 51, .05);
}
.plan-item.dragging { opacity: .45; }
.item-head {
  display: flex;
  justify-content: space-between;
  gap: .75rem;
}
.item-title { margin: 0; font-size: 1rem; }
.item-meta { margin: .2rem 0 0 0; color: var(--muted); font-size: .88rem; }
.item-notes { margin: .7rem 0 0 0; white-space: pre-wrap; line-height: 1.4; }
.empty-day {
  border: 1px dashed #c6d8e8;
  border-radius: 12px;
  padding: .9rem;
  color: var(--muted);
  background: #f8fbff;
}

dialog {
  border: 0;
  border-radius: 14px;
  padding: 0;
  width: min(560px, calc(100vw - 2rem));
}
dialog::backdrop { background: rgba(15, 23, 42, .42); }
dialog form { padding: 1rem; }

@media (max-width: 1100px) {
  #suggestions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .board { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 800px) {
  .intro-panel { grid-template-columns: 1fr; }
  .suggestion-head { flex-direction: column; }
  #suggestions { grid-template-columns: 1fr; }
  .board { grid-template-columns: 1fr; }
  .time-grid { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: flex-start; }
}