:root {
  --ink: #1F3D2E;
  --ink-2: #16291F;
  --gold: #C9A227;
  --gold-soft: #E4CE8A;
  --paper: #FBF8F2;
  --card: #FFFFFF;
  --text: #2B2621;
  --muted: #8A8574;
  --line: #E7E1D3;
  --bride: #B5636F;
  --bride-bg: #F7E9EB;
  --groom: #3B5A6B;
  --groom-bg: #E9EFF2;
  --both: #A9821F;
  --both-bg: #F5EED8;
  --radius: 14px;
  --font-display: "Cormorant Garamond", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.sync-banner {
  background: #FDF2E3;
  color: #8A5A1E;
  font-size: 13px;
  text-align: center;
  padding: 10px 16px;
  border-bottom: 1px solid #EFD9AE;
}

/* ---------- Ribbon header ---------- */
.ribbon {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--paper);
  padding: 40px 20px 32px;
}

.ribbon__inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.ribbon__eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.ribbon__names {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 7vw, 46px);
  margin: 0;
  line-height: 1.1;
}

.ribbon__names .amp {
  font-style: italic;
  color: var(--gold);
  padding: 0 4px;
}

.ribbon__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 14px auto;
  width: 180px;
}
.ribbon__divider span {
  height: 1px;
  flex: 1;
  background: var(--gold);
  opacity: 0.6;
}
.ribbon__divider i {
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
  display: inline-block;
}

.ribbon__date {
  margin: 0;
  font-size: 14px;
  color: #CFE0D6;
  letter-spacing: 0.04em;
}

.ribbon__stats {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.countdown {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.countdown span:first-child {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  color: var(--gold);
}
.countdown-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #CFE0D6;
  margin-top: 4px;
}

.progress-wrap {
  min-width: 200px;
  max-width: 260px;
  text-align: left;
}
.progress-track {
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: rgba(255,255,255,0.15);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--gold);
  transition: width 0.4s ease;
}
.progress-text {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: #CFE0D6;
}

/* ---------- Main ---------- */
.main {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.phase-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.phase-tabs::-webkit-scrollbar { display: none; }

.phase-tab {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.phase-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.filter-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.chip {
  border: 1px solid var(--line);
  background: var(--card);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--muted);
}
.chip.is-active { color: var(--text); border-color: var(--text); }
.chip--bride.is-active { color: var(--bride); border-color: var(--bride); background: var(--bride-bg); }
.chip--groom.is-active { color: var(--groom); border-color: var(--groom); background: var(--groom-bg); }
.chip--both.is-active { color: var(--both); border-color: var(--both); background: var(--both-bg); }

.add-task-row {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

.btn-add {
  border: 1px dashed var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
}
.btn-add:hover { background: rgba(31,61,46,0.06); }

.add-task-form {
  margin-top: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Quan trọng: display:flex ở trên sẽ đè mất rule ẩn mặc định của [hidden]
   (vì CSS của mình có độ ưu tiên cao hơn style mặc định trình duyệt),
   nên phải khai báo rõ display:none khi có thuộc tính hidden. */
.add-task-form[hidden] {
  display: none;
}

.add-task-form__text {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14.5px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--text);
}
.add-task-form__text:focus { outline: none; border-color: var(--ink); }

.add-task-form__row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.add-task-form__select {
  flex: 1 1 140px;
  font-family: var(--font-body);
  font-size: 13px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--text);
}

.add-task-form__note {
  width: 100%;
  min-height: 56px;
  resize: vertical;
  font-family: var(--font-body);
  font-size: 13px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--text);
}
.add-task-form__note:focus { outline: none; border-color: var(--ink); }

.add-task-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn-cancel {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.btn-save {
  border: none;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
}

.phase-sub {
  margin: 16px 2px 6px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.checklist-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.phase-group__title {
  margin: 0 0 10px 2px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.phase-group__sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.item__drag-handle {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 32px;
  color: var(--muted);
  cursor: grab;
  touch-action: none;
}
.item__drag-handle:active { cursor: grabbing; }

.item__delete {
  flex: 0 0 auto;
  border: none;
  background: none;
  padding: 4px;
  margin-top: 1px;
  color: var(--muted);
  cursor: pointer;
  border-radius: 6px;
}
.item__delete:hover {
  color: var(--bride);
  background: var(--bride-bg);
}

.item--ghost {
  opacity: 0.4;
}
.item--chosen {
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}

.filter-hint {
  margin: 4px 2px 0;
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
}

.item__checkbox {
  margin-top: 1px;
}

.item__main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.item__note-text {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
}

.item__note-toggle {
  align-self: flex-start;
  border: none;
  background: none;
  padding: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-soft);
  color: #A9821F;
  cursor: pointer;
}
.item__note-toggle:hover { text-decoration: underline; }

.item__note-editor {
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.item__note-input {
  width: 100%;
  min-height: 60px;
  resize: vertical;
  font-family: var(--font-body);
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--text);
}
.item__note-input:focus {
  outline: none;
  border-color: var(--ink);
}

.item__note-actions {
  display: flex;
  justify-content: flex-end;
}

.item__note-save {
  border: none;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.item__checkbox {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1.5px solid var(--muted);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  transition: all 0.15s ease;
}
.item__checkbox.is-done {
  background: var(--ink);
  border-color: var(--ink);
}

.item__task {
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.4;
}
.item.is-done .item__task {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: var(--line);
}

.item__badge {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
}
.item__badge--bride { color: var(--bride); background: var(--bride-bg); }
.item__badge--groom { color: var(--groom); background: var(--groom-bg); }
.item__badge--both { color: var(--both); background: var(--both-bg); }

.empty-state {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  padding: 40px 0;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 24px 16px 40px;
}

@media (max-width: 420px) {
  .ribbon__stats { gap: 18px; }
  .progress-wrap { min-width: 160px; }
}