/* TNC Baby Health Advisor – style.css */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Quicksand:wght@500;600;700&display=swap');

:root {
  --bha-primary:   #4f8ef7;
  --bha-secondary: #ff7eb3;
  --bha-green:     #34d399;
  --bha-yellow:    #fbbf24;
  --bha-red:       #f87171;
  --bha-purple:    #a78bfa;
  --bha-orange:    #fb923c;
  --bha-bg:        #f0f6ff;
  --bha-card:      #ffffff;
  --bha-border:    #dbeafe;
  --bha-text:      #1e3a5f;
  --bha-muted:     #64748b;
  --bha-radius:    18px;
  --bha-shadow:    0 4px 24px rgba(79,142,247,.12);
}

.tnc-bha-wrap * { box-sizing: border-box; margin: 0; padding: 0; }
.tnc-bha-wrap {
  font-family: 'Nunito', sans-serif;
  color: var(--bha-text);
  max-width: 860px;
  margin: 0 auto;
  background: var(--bha-bg);
  border-radius: 24px;
  padding: 0 0 40px;
  overflow: hidden;
}

/* HEADER */
.tnc-bha-header {
  background: linear-gradient(135deg, #4f8ef7 0%, #7c3aed 100%);
  padding: 36px 32px 28px;
  text-align: center;
  color: #fff;
}
.tnc-bha-logo { margin-bottom: 8px; animation: bha-bounce 2s infinite; display: inline-block; }
.tnc-bha-logo svg { filter: drop-shadow(0 4px 12px rgba(0,0,0,0.18)); }
.tnc-bha-title {
  font-size: 26px !important;
  font-weight: 900 !important;
  letter-spacing: -.5px;
  margin-bottom: 6px !important;
  color: #ffffff !important;
  text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.tnc-bha-subtitle {
  font-size: 14px !important;
  opacity: .92;
  font-family: 'Quicksand', sans-serif;
  color: #ffffff !important;
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
@keyframes bha-bounce {
  0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)}
}

/* FORM CARD */
.tnc-bha-form-card {
  background: var(--bha-card);
  margin: 24px 24px 0;
  border-radius: var(--bha-radius);
  padding: 28px;
  box-shadow: var(--bha-shadow);
}
.tnc-bha-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
}
.tnc-bha-field { display: flex; flex-direction: column; gap: 8px; }
.tnc-bha-field label {
  font-size: 13px; font-weight: 700; color: var(--bha-muted);
  text-transform: uppercase; letter-spacing: .5px;
}
.tnc-bha-field input[type="text"],
.tnc-bha-field input[type="number"] {
  border: 2px solid var(--bha-border);
  border-radius: 12px; padding: 12px 16px;
  font-size: 16px; font-family: 'Nunito', sans-serif;
  outline: none; transition: border .2s;
}
.tnc-bha-field input:focus { border-color: var(--bha-primary); }
.tnc-bha-field:nth-child(3) { grid-column: 1 / -1; }

/* GENDER BTN */
.tnc-bha-gender { display: flex; gap: 12px; }
.tnc-bha-gender-btn {
  flex: 1; padding: 12px; border-radius: 12px;
  border: 2px solid var(--bha-border);
  background: #fff; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: all .2s; font-family: 'Nunito', sans-serif;
}
.tnc-bha-gender-btn.active {
  border-color: var(--bha-primary);
  background: linear-gradient(135deg,#dbeafe,#ede9fe);
  color: var(--bha-primary);
}

/* SLIDER */
.tnc-bha-slider {
  width: 100%; -webkit-appearance: none;
  height: 8px; border-radius: 4px;
  background: linear-gradient(to right, var(--bha-primary) 0%, var(--bha-border) 0%);
  outline: none; cursor: pointer;
}
.tnc-bha-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 24px; height: 24px;
  border-radius: 50%; background: var(--bha-primary);
  box-shadow: 0 2px 8px rgba(79,142,247,.4); cursor: pointer;
}
.tnc-bha-slider-labels {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--bha-muted); margin-top: 4px;
}
.tnc-bha-age-display {
  background: var(--bha-primary); color: #fff;
  padding: 2px 10px; border-radius: 20px; font-size: 12px;
  margin-left: 8px; font-weight: 700;
}

/* SUBMIT BTN */
.tnc-bha-btn-primary {
  margin-top: 24px; width: 100%; padding: 16px;
  background: linear-gradient(135deg, #4f8ef7, #7c3aed);
  color: #fff; border: none; border-radius: 14px;
  font-size: 18px; font-weight: 800; cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  font-family: 'Nunito', sans-serif;
  box-shadow: 0 6px 20px rgba(79,142,247,.35);
}
.tnc-bha-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(79,142,247,.45); }

/* RESULT */
.tnc-bha-result { margin: 0 24px; }

/* STATUS BADGES */
.tnc-bha-status-row {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin: 24px 0 20px;
}
.tnc-bha-badge {
  flex: 1; min-width: 160px;
  border-radius: 16px; padding: 18px 20px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
  animation: bha-fadein .4s ease both;
}
@keyframes bha-fadein { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:none} }
.tnc-bha-badge .bha-badge-icon { font-size: 32px; }
.tnc-bha-badge .bha-badge-info { flex:1; }
.tnc-bha-badge .bha-badge-label { font-size: 11px; font-weight: 700; opacity: .75; text-transform:uppercase; letter-spacing:.5px; }
.tnc-bha-badge .bha-badge-val  { font-size: 18px; font-weight: 900; margin: 2px 0; }
.tnc-bha-badge .bha-badge-status { font-size: 13px; font-weight: 700; }

.bha-bg-red    { background: linear-gradient(135deg,#fee2e2,#fecaca); color:#991b1b; }
.bha-bg-yellow { background: linear-gradient(135deg,#fef3c7,#fde68a); color:#92400e; }
.bha-bg-green  { background: linear-gradient(135deg,#d1fae5,#a7f3d0); color:#065f46; }
.bha-bg-orange { background: linear-gradient(135deg,#ffedd5,#fed7aa); color:#9a3412; }
.bha-bg-blue   { background: linear-gradient(135deg,#dbeafe,#bfdbfe); color:#1e3a8a; }

/* CHARTS */
.tnc-bha-charts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px;
}
.tnc-bha-chart-card {
  background: #fff; border-radius: var(--bha-radius);
  padding: 20px; box-shadow: var(--bha-shadow);
}
.tnc-bha-chart-card h4 {
  font-size: 14px; font-weight: 800; color: var(--bha-muted);
  margin-bottom: 14px;
}

/* ADVICE */
.tnc-bha-advice-box {
  background: #fff; border-radius: var(--bha-radius);
  padding: 24px; margin-bottom: 20px;
  box-shadow: var(--bha-shadow);
  border-left: 5px solid var(--bha-primary);
}
.tnc-bha-advice-box h3 { font-size: 17px; margin-bottom: 12px; }
.tnc-bha-advice-box ul { padding-left: 20px; }
.tnc-bha-advice-box li { font-size: 15px; line-height: 1.7; margin-bottom: 4px; }

/* MILK SECTION */
.tnc-bha-milk-section {
  background: #fff; border-radius: var(--bha-radius);
  padding: 24px; margin-bottom: 20px;
  box-shadow: var(--bha-shadow);
}
.tnc-bha-milk-section h3 { font-size: 17px; margin-bottom: 16px; }
.tnc-bha-milk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 14px; }
.tnc-bha-milk-card {
  border-radius: 14px; padding: 18px;
  border: 2px solid var(--bha-border);
  position: relative; overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.tnc-bha-milk-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.tnc-bha-milk-card .milk-tag {
  position: absolute; top: 12px; right: 12px;
  font-size: 10px; font-weight: 800; padding: 3px 9px;
  border-radius: 20px; background: var(--bha-primary); color: #fff;
  text-transform: uppercase;
}
.tnc-bha-milk-card .milk-icon { font-size: 30px; margin-bottom: 10px; }
.tnc-bha-milk-card .milk-name { font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.tnc-bha-milk-card .milk-note { font-size: 12px; color: var(--bha-muted); line-height: 1.5; }
.tnc-bha-milk-card.highlight { border-color: var(--bha-primary); background: #f0f6ff; }
.tnc-bha-milk-card.highlight .milk-tag { background: linear-gradient(135deg,#4f8ef7,#7c3aed); }

/* ACTIONS */
.tnc-bha-actions {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px;
}
.tnc-bha-btn-outline {
  flex: 1; min-width: 130px; padding: 13px;
  border: 2px solid var(--bha-primary); border-radius: 12px;
  color: var(--bha-primary); background: #fff;
  font-size: 14px; font-weight: 700; cursor: pointer;
  font-family: 'Nunito', sans-serif; transition: all .2s;
}
.tnc-bha-btn-outline:hover { background: var(--bha-primary); color: #fff; }
.tnc-bha-btn-secondary {
  flex: 1; min-width: 130px; padding: 13px;
  border: 2px solid #e2e8f0; border-radius: 12px;
  color: var(--bha-muted); background: #fff;
  font-size: 14px; font-weight: 700; cursor: pointer;
  font-family: 'Nunito', sans-serif; transition: all .2s;
}
.tnc-bha-btn-secondary:hover { background: #f1f5f9; }

.tnc-bha-save-msg {
  text-align: center; padding: 12px;
  border-radius: 12px; background: #d1fae5;
  color: #065f46; font-weight: 700; font-size: 14px;
  margin-bottom: 12px;
}

/* MODAL */
.tnc-bha-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  z-index: 99999; display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.tnc-bha-modal-inner {
  background: #fff; border-radius: 20px;
  max-width: 640px; width: 100%;
  max-height: 80vh; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.tnc-bha-modal-header {
  padding: 20px 24px;
  border-bottom: 2px solid var(--bha-border);
  display: flex; justify-content: space-between; align-items: center;
}
.tnc-bha-modal-header h3 { font-size: 18px; font-weight: 800; }
.tnc-bha-modal-close {
  width: 36px; height: 36px; border-radius: 50%;
  border: none; background: #f1f5f9;
  font-size: 16px; cursor: pointer; font-weight: 700;
}
.tnc-bha-history-list {
  overflow-y: auto; padding: 20px 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.tnc-bha-history-item {
  border: 2px solid var(--bha-border); border-radius: 14px;
  padding: 16px; display: flex; justify-content: space-between; align-items: center;
}
.tnc-bha-history-item .hi-name { font-weight: 800; font-size: 15px; }
.tnc-bha-history-item .hi-detail { font-size: 13px; color: var(--bha-muted); margin-top: 4px; }
.tnc-bha-history-item .hi-result {
  font-size: 13px; font-weight: 700; padding: 5px 12px;
  border-radius: 20px;
}

.tnc-bha-badge .bha-badge-standard {
  font-size: 12px; opacity: .85; margin-top: 5px; line-height: 1.5;
}
.tnc-bha-badge .bha-badge-gap { margin-top: 6px; }
.bha-gap {
  display: inline-block; font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 20px; line-height: 1.5;
}
.bha-gap--low  { background: rgba(0,0,0,.12); color: inherit; }
.bha-gap--over { background: rgba(0,0,0,.12); color: inherit; }
.bha-gap--ok   { background: rgba(255,255,255,.45); color: inherit; }

/* Badges full width trên mobile */
.tnc-bha-status-row { flex-direction: column; }
.tnc-bha-badge { min-width: unset; }


.tnc-bha-optional {
  font-size: 11px; font-weight: 600; color: var(--bha-primary);
  background: #dbeafe; padding: 2px 8px; border-radius: 10px; margin-left: 6px;
}
.tnc-bha-dob-input {
  border: 2px solid var(--bha-border);
  border-radius: 12px; padding: 12px 16px;
  font-size: 15px; font-family: 'Nunito', sans-serif;
  outline: none; transition: border .2s; width: 100%;
}
.tnc-bha-dob-input:focus { border-color: var(--bha-primary); }
.tnc-bha-dob-result {
  display: flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg,#d1fae5,#a7f3d0);
  border-radius: 10px; padding: 10px 14px; margin-top: 4px;
  font-size: 14px; color: #065f46; font-weight: 600;
}
.tnc-bha-dob-icon { font-size: 18px; }
.tnc-bha-slider-hint {
  font-size: 12px; color: var(--bha-muted); margin-top: 4px;
}
.tnc-bha-slider-hint a { color: var(--bha-primary); font-weight: 700; }
.tnc-bha-slider--locked { opacity: .5; cursor: not-allowed; }
.tnc-bha-field--dob { grid-column: 1 / -1; }


.tnc-milk-loading {
  text-align:center; padding:24px; color:var(--bha-muted);
  font-size:15px; grid-column: 1/-1;
}
.milk-real-img {
  width:100%; height:140px; object-fit:contain;
  border-radius:10px; margin-bottom:10px; background:#f8faff;
}
.milk-price {
  font-size:15px; font-weight:800; color:var(--bha-primary);
  margin:6px 0 10px;
}
.milk-btn {
  display:block; text-align:center; background:var(--bha-primary);
  color:#fff; border-radius:8px; padding:8px 12px;
  font-size:13px; font-weight:700; margin-top:auto;
  transition: opacity .2s;
}
.tnc-bha-milk-card:hover .milk-btn { opacity:.85; }
.tnc-bha-milk-card { display:flex; flex-direction:column; }

/* Stage header */
.tnc-bha-stage-header {
  width: 100%; display: flex; align-items: center; gap: 14px;
  background: linear-gradient(135deg,#4f8ef7,#7c3aed);
  border-radius: 14px; padding: 16px 20px; margin-bottom: 4px;
  color: #fff; animation: bha-fadein .3s ease both;
}
.tnc-stage-icon  { font-size: 32px; }
.tnc-stage-name  { font-size: 18px; font-weight: 900; }
.tnc-stage-sub   { font-size: 12px; opacity: .8; margin-top: 2px; }
.tnc-bha-stage-badge {
  display: inline-block; font-size: 12px; font-weight: 700;
  background: rgba(79,142,247,.15); color: var(--bha-primary);
  padding: 3px 10px; border-radius: 20px; margin-left: 8px;
  vertical-align: middle; border: 1px solid var(--bha-border);
}

@media print {
  .tnc-bha-actions, .tnc-bha-form-card, .tnc-bha-header { display: none !important; }
  .tnc-bha-wrap { box-shadow: none; border-radius: 0; padding: 0; background: #fff; }
}

/* RESPONSIVE */
@media (max-width: 640px) {
  .tnc-bha-form-grid { grid-template-columns: 1fr; }
  .tnc-bha-field:nth-child(3) { grid-column: 1; }
  .tnc-bha-charts { grid-template-columns: 1fr; }
  .tnc-bha-wrap { border-radius: 0; margin: 0; }
  .tnc-bha-form-card, .tnc-bha-result { margin: 16px 12px 0; }
}