/* =========================================================
   Khi Nào Cưới Core — Multi-user homepage
   ========================================================= */
.knc-home {
  --knc-primary: #c45c7a;
  --knc-accent: #e8b86d;
  --knc-ink: #2a1f24;
  --knc-muted: #7a6a72;
  --knc-bg: #fff9fb;
  --knc-white: #ffffff;
  --knc-radius: 24px;
  --knc-shadow: 0 20px 50px rgba(196, 92, 122, 0.12);
  max-width: 1100px;
  margin: 0 auto;
  color: var(--knc-ink);
  font-family: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
.knc-home * { box-sizing: border-box; }
.knc-home a { transition: all 0.2s ease; text-decoration: none; color: inherit; }

/* ---------- HERO ---------- */
.knc-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(800px 420px at 10% -5%, rgba(232, 184, 109, 0.35), transparent 55%),
    radial-gradient(700px 400px at 95% 10%, rgba(196, 92, 122, 0.4), transparent 50%),
    linear-gradient(155deg, #2a1520 0%, #4a2435 45%, #6b3550 100%);
  color: #fff;
  border-radius: var(--knc-radius);
  padding: 68px 28px 52px;
  text-align: center;
  box-shadow: var(--knc-shadow);
}
.knc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.28;
  background-image: radial-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 25%, #000 0%, transparent 75%);
}
.knc-hero-inner { position: relative; z-index: 1; }

.knc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ffe8f0;
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 12px;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
}
.knc-badge::before { content: "✦"; color: var(--knc-accent); font-size: 13px; }

.knc-title {
  font-size: clamp(26px, 4.4vw, 46px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 auto 12px;
  max-width: 820px;
  letter-spacing: -0.02em;
  background: linear-gradient(92deg, #ffffff 35%, #ffd6e4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.knc-subtitle {
  max-width: 560px;
  margin: 0 auto 26px;
  color: #f0c8d4;
  font-size: 16px;
}

/* Search */
.knc-search {
  display: flex;
  max-width: 480px;
  margin: 0 auto 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.knc-search input {
  flex: 1;
  border: 0;
  background: transparent;
  color: #fff;
  padding: 14px 20px;
  font-size: 15px;
  outline: none;
}
.knc-search input::placeholder { color: rgba(255, 255, 255, 0.55); }
.knc-search button {
  border: 0;
  background: linear-gradient(135deg, var(--knc-primary), #a84868);
  color: #fff;
  font-weight: 700;
  padding: 0 22px;
  cursor: pointer;
  font-size: 14px;
}
.knc-search button:hover { filter: brightness(1.08); }

.knc-results {
  max-width: 720px;
  margin: 0 auto 20px;
  text-align: left;
}
.knc-results .knc-cards { margin-top: 12px; }
.knc-results .knc-empty {
  color: #f0c8d4;
  font-size: 14px;
  text-align: center;
  margin: 8px 0;
}

.knc-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  margin: 8px 0 22px;
  font-size: 13px;
  color: #f0c8d4;
}
.knc-trust b { color: #fff; font-weight: 700; }

.knc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--knc-primary), #a84868);
  color: #fff !important;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(196, 92, 122, 0.4);
}
.knc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(196, 92, 122, 0.5);
}

/* Couple (single) */
.knc-couple {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.knc-name {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
}
.knc-heart {
  color: var(--knc-accent);
  font-size: 22px;
  animation: knc-pulse 1.6s ease-in-out infinite;
}
@keyframes knc-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.18); }
}

.knc-single-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  margin: 0 auto 24px;
  border: 3px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

/* Countdown */
.knc-countdown { margin: 0 auto 20px; max-width: 480px; }
.knc-cd-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #f0c8d4;
  margin-bottom: 10px;
  font-weight: 600;
}
.knc-cd-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.knc-cd-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  padding: 12px 6px;
}
.knc-cd-num {
  display: block;
  font-size: clamp(24px, 3.8vw, 34px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.knc-cd-unit {
  display: block;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #f0c8d4;
  margin-top: 4px;
}
.knc-cd-done {
  font-size: 18px;
  font-weight: 700;
  color: var(--knc-accent);
  padding: 12px;
}
.knc-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  font-size: 14px;
  color: #f5d0dc;
  margin-bottom: 8px;
}
.knc-meta strong { color: #fff; margin-right: 4px; }

/* ---------- SECTIONS ---------- */
.knc-section {
  margin-top: 44px;
  padding: 0 6px;
}
.knc-section h2 {
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 800;
  margin: 0 0 8px;
  text-align: center;
  letter-spacing: -0.02em;
}
.knc-sub {
  text-align: center;
  color: var(--knc-muted);
  max-width: 520px;
  margin: 0 auto 24px;
  font-size: 14px;
}

/* Cards grid */
.knc-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.knc-card {
  display: flex;
  flex-direction: column;
  background: var(--knc-white);
  border: 1px solid #f0e4e8;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(42, 31, 36, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.knc-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(196, 92, 122, 0.14);
  border-color: #f0c8d4;
}
.knc-card-media {
  height: 140px;
  background: linear-gradient(135deg, #f8e8ee, #f0d4dc);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.knc-card-heart {
  font-size: 36px;
  color: var(--knc-primary);
  opacity: 0.5;
}
.knc-card-body { padding: 14px 16px 16px; }
.knc-card-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.3;
}
.knc-card-date {
  font-size: 13px;
  color: var(--knc-primary);
  font-weight: 600;
}
.knc-card-cd {
  font-size: 12px;
  color: var(--knc-muted);
  margin-top: 2px;
}
.knc-card-place {
  font-size: 12px;
  color: var(--knc-muted);
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Tools */
.knc-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 8px;
}
.knc-tool-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--knc-white);
  border: 1px solid #f0e4e8;
  border-radius: 16px;
  padding: 18px 16px;
  box-shadow: 0 4px 14px rgba(42, 31, 36, 0.04);
}
.knc-tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(196, 92, 122, 0.12);
  border-color: #f0c8d4;
}
.knc-tool-icon { font-size: 26px; margin-bottom: 4px; }
.knc-tool-name {
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.knc-tag {
  font-style: normal;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--knc-primary), #a84868);
  color: #fff;
  padding: 2px 7px;
  border-radius: 999px;
}
.knc-tool-desc {
  font-size: 12px;
  color: var(--knc-muted);
  line-height: 1.4;
}

/* Story single */
.knc-story-body {
  max-width: 680px;
  margin: 0 auto;
  color: var(--knc-muted);
  font-size: 15px;
  line-height: 1.7;
}
.knc-story-body p { margin: 0 0 12px; }

.knc-footer {
  margin-top: 48px;
  padding: 28px 16px;
  text-align: center;
  border-top: 1px solid #f0e4e8;
  color: var(--knc-muted);
  font-size: 13px;
}
.knc-footer a { color: var(--knc-primary); font-weight: 600; }
.knc-empty { text-align: center; color: var(--knc-muted); padding: 24px; }

@media (max-width: 560px) {
  .knc-hero { padding: 48px 16px 40px; border-radius: 18px; }
  .knc-cd-grid { gap: 8px; }
  .knc-card-media { height: 120px; }
  .knc-section { margin-top: 32px; }
}


/* Search results — bài viết / ý tưởng */
.knc-search-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  text-align: left;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.knc-search-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.knc-search-item:last-child { border-bottom: 0; }
.knc-search-item a {
  display: block;
  padding: 12px 16px;
  color: #fff !important;
}
.knc-search-item a:hover {
  background: rgba(255, 255, 255, 0.1);
}
.knc-search-title {
  display: block;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 2px;
}
.knc-search-excerpt {
  display: block;
  font-size: 12px;
  color: #f0c8d4;
  line-height: 1.4;
}


/* =========================================================
   Birth card — khung nhập ngày tháng năm sinh (ô tìm kiếm)
   ========================================================= */
.knc-birth-card {
  width: 100%;
  max-width: 720px;
  margin: 18px auto 0;
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  text-align: left;
}

/* Tabs */
.knc-bc-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 14px;
  padding: 4px;
  background: rgba(0, 0, 0, 0.22);
  border-radius: 12px;
}
.knc-bc-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.knc-bc-tab:hover { color: #fff; }
.knc-bc-tab.is-active {
  background: linear-gradient(135deg, rgba(232, 184, 109, 0.95), rgba(240, 201, 122, 0.9));
  color: #2a1f24;
  box-shadow: 0 4px 14px rgba(232, 184, 109, 0.3);
}

/* Couple: 2 cột Nam | Nữ trên desktop */
.knc-bc-panel[data-panel="cap_doi"] {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.knc-bc-panel[data-panel="cap_doi"][hidden],
.knc-bc-panel[data-panel="ca_nhan"][hidden],
.knc-bc-panel[hidden],
.knc-bc-panel.is-hidden {
  display: none !important;
}
.knc-bc-panel[data-panel="ca_nhan"]:not([hidden]) {
  display: block;
  margin-bottom: 12px;
}

.knc-bc-person {
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.knc-bc-person-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--knc-accent);
  margin-bottom: 8px;
}
.knc-yr-sub {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  font-weight: 600;
  opacity: 0.9;
  letter-spacing: 0;
  line-height: 1.4;
}

.knc-bc-title {
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.9;
  margin-bottom: 12px;
  text-align: center;
}
.knc-bc-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1.25fr;
  gap: 8px;
  margin-bottom: 0;
}
.knc-bc-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.knc-bc-field label {
  color: rgba(255, 255, 255, 0.75);
  font-size: 11px;
  font-weight: 600;
  padding-left: 2px;
}
.knc-bc-field input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 8px;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.95);
  color: #2a1f24;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  -moz-appearance: textfield;
}
.knc-bc-field input::-webkit-outer-spin-button,
.knc-bc-field input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.knc-bc-field input::placeholder {
  color: #b0a0a8;
  font-weight: 500;
}
.knc-bc-field input:focus {
  border-color: var(--knc-accent);
  box-shadow: 0 0 0 3px rgba(232, 184, 109, 0.35);
}

/* Gender toggle */
.knc-bc-gender {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0 0;
}
.knc-bc-g { cursor: pointer; margin: 0; }
.knc-bc-g input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.knc-bc-g span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 12px;
  border-radius: 11px;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: all 0.15s ease;
}
.knc-bc-g span::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.45);
  box-sizing: border-box;
  transition: all 0.15s ease;
}
.knc-bc-g input:checked + span {
  background: rgba(232, 184, 109, 0.22);
  border-color: var(--knc-accent);
  color: #fff;
}
.knc-bc-g input:checked + span::before {
  border-color: var(--knc-accent);
  background: var(--knc-accent);
  box-shadow: inset 0 0 0 2px rgba(42, 31, 36, 0.35);
}
.knc-bc-g:hover span { border-color: rgba(255, 255, 255, 0.4); }

/* Submit */
.knc-bc-submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
  padding: 13px 16px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--knc-accent) 0%, #f0c97a 45%, #e8a86a 100%);
  color: #2a1f24;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(232, 184, 109, 0.35);
  transition: transform 0.15s, filter 0.15s, box-shadow 0.15s;
}
.knc-bc-submit:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(232, 184, 109, 0.45);
}
.knc-bc-submit:active { transform: translateY(0); }
.knc-bc-submit svg { flex-shrink: 0; }

/* Results — rộng bằng form */
.knc-results {
  width: 100%;
  max-width: 720px;
  margin: 14px auto 0;
}
.knc-empty {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  padding: 10px;
  text-align: center;
}

/* Year result card */
.knc-year-result {
  text-align: left;
  background: rgba(20, 12, 18, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 14px 14px 12px;
  color: #fff;
  font-size: 14px;
  line-height: 1.45;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}
.knc-yr-header {
  font-weight: 800;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
  color: #ffe8f0;
  text-align: center;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
}
.knc-yr-best {
  background: linear-gradient(135deg, rgba(232, 184, 109, 0.28), rgba(196, 92, 122, 0.18));
  border: 1px solid rgba(232, 184, 109, 0.5);
  border-radius: 12px;
  padding: 12px 12px 10px;
  margin-bottom: 10px;
}
.knc-yr-best strong { color: #ffe4a8; }
.knc-yr-best-note {
  margin-top: 6px;
  font-size: 13px;
  opacity: 0.95;
  line-height: 1.4;
}
.knc-yr-divider { display: none; }
.knc-yr-list-title {
  font-weight: 700;
  margin: 2px 0 8px;
  font-size: 12px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.8;
}
.knc-yr-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.knc-yr-item {
  padding: 9px 10px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  grid-template-columns: 20px 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 6px;
  row-gap: 2px;
  align-items: center;
}
.knc-yr-icon {
  grid-row: 1 / span 2;
  font-size: 15px;
  line-height: 1;
}
.knc-yr-year { font-weight: 700; font-size: 13px; }
.knc-yr-score {
  font-weight: 800;
  font-size: 13px;
  justify-self: end;
}
.knc-yr-advice {
  grid-column: 2 / span 2;
  opacity: 0.88;
  font-size: 12px;
  line-height: 1.3;
}
.knc-yr-dai_cat {
  background: rgba(80, 200, 140, 0.12);
  border-color: rgba(80, 200, 140, 0.28);
}
.knc-yr-dai_cat .knc-yr-score,
.knc-yr-tot .knc-yr-score { color: #7dffb3; }
.knc-yr-tot {
  background: rgba(80, 180, 160, 0.1);
  border-color: rgba(80, 180, 160, 0.22);
}
.knc-yr-kha {
  background: rgba(232, 184, 109, 0.1);
  border-color: rgba(232, 184, 109, 0.25);
}
.knc-yr-kha .knc-yr-score { color: #ffd58a; }
.knc-yr-xau {
  background: rgba(220, 90, 110, 0.1);
  border-color: rgba(220, 90, 110, 0.25);
}
.knc-yr-xau .knc-yr-score { color: #ffb4c0; }

/* Mobile */
@media (max-width: 640px) {
  .knc-birth-card {
    max-width: 100%;
    padding: 14px 12px 12px;
    border-radius: 14px;
    margin-top: 14px;
  }
  .knc-bc-panel[data-panel="cap_doi"] {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .knc-bc-fields {
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 6px;
  }
  .knc-bc-field input {
    padding: 10px 6px;
    font-size: 15px;
  }
  .knc-bc-submit {
    padding: 12px 14px;
    font-size: 14px;
  }
  .knc-results {
    max-width: 100%;
    margin-top: 12px;
  }
  .knc-year-result {
    padding: 12px 10px 10px;
    font-size: 13px;
  }
  .knc-yr-list {
    grid-template-columns: 1fr;
  }
  .knc-yr-item {
    padding: 8px 10px;
  }
}