/* tools.css — Stylesheet chung cho tất cả công cụ miễn phí
   Classes được copy từ luan-giai.html + xem-tuoi.html để đảm bảo nhất quán.
   Update ở đây sẽ ảnh hưởng toàn bộ tools.
*/

/* ── RESET & VARS ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --navy:      #061A2E;
  --navy-mid:  #0D3B5E;
  --blue:      #1455A4;
  --text:      #1a1a1a;
  --text-mid:  #444;
  --text-lt:   #777;
  --border:    #CCCCCC;
  --border-lt: #E8E8E8;
  --bg:        #FFFFFF;
  --bg-soft:   #F5F4F0;
  --gold:      #9A7B3A;
  --gold-lt:   #F9F4EB;
  --red:       #C0392B;
  --green:     #1E6B3C;
}
body { font-family: Arial, sans-serif; background: var(--bg); color: var(--text); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* ── LAYOUT ────────────────────────────────────────────────── */
.page { max-width: 1100px; margin: 0 auto; padding: 0 56px; }

/* ── HERO ──────────────────────────────────────────────────── */
.hero-tool { background: var(--navy); padding: 52px 0 40px; text-align: center; }
.hero-tool .eyebrow { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: #8BAACC; margin-bottom: 14px; }
.hero-tool h1 { font-size: clamp(22px, 4vw, 38px); color: #fff; margin-bottom: 12px; font-weight: 400; line-height: 1.2; }
.hero-tool h1 em { font-style: italic; color: #c9a84c; }
.hero-tool p { color: #8BAACC; font-size: 14px; max-width: 560px; margin: 0 auto; line-height: 1.7; }
.hero-stats { display: flex; gap: 24px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }
.hero-stat-item { text-align: center; }
.hero-stat-item .n { font-size: 22px; color: #fff; font-weight: 700; }
.hero-stat-item .l { font-size: 11px; color: #8BAACC; letter-spacing: 1px; }
.stat-div { width: 1px; background: rgba(255,255,255,.15); }

/* ── INTRO — .xt-* classes (same as xem-tuoi.html) ─────────── */
.tool-intro { border-bottom: 1px solid var(--border); }
.xt-section { padding: 52px 0; border-bottom: 1px solid var(--border-lt); }
.xt-section:last-child { border-bottom: none; }
.xt-eyebrow { font-size: 10px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--text-lt); margin-bottom: 20px; }
.xt-h2 { font-size: clamp(20px, 3vw, 28px); color: var(--navy); font-weight: 400; line-height: 1.3; margin-bottom: 16px; }
.xt-body { font-size: 15px; color: var(--text-mid); line-height: 1.85; font-weight: 300; margin-bottom: 14px; }
.xt-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
.xt-factors { background: var(--bg-soft); border-radius: 10px; padding: 24px; }
.xt-factor-title { font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text-lt); margin-bottom: 14px; }
.xt-factor-item { display: flex; align-items: baseline; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border-lt); }
.xt-factor-item:last-child { border-bottom: none; }
.xt-factor-num { font-size: 13px; color: var(--gold); font-weight: 700; flex-shrink: 0; width: 20px; }
.xt-factor-label { font-size: 13px; font-weight: 600; color: var(--navy); width: 100px; flex-shrink: 0; }
.xt-factor-desc { font-size: 12px; color: var(--text-lt); line-height: 1.5; }
.xt-steps { display: flex; align-items: flex-start; gap: 0; flex-wrap: wrap; }
.xt-step { flex: 1; min-width: 180px; display: flex; gap: 14px; padding: 4px; }
.xt-step-num { width: 36px; height: 36px; background: var(--navy); color: #c9a84c; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; flex-shrink: 0; }
.xt-step-body { flex: 1; }
.xt-step-title { font-size: 14px; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.xt-step-desc { font-size: 13px; color: var(--text-lt); line-height: 1.6; }
.xt-step-arrow { font-size: 20px; color: var(--border); padding: 8px 12px; flex-shrink: 0; align-self: center; }
.xt-note { display: flex; gap: 12px; align-items: flex-start; background: var(--gold-lt); border: 1px solid #e8d9b0; border-radius: 8px; padding: 14px 16px; margin: 32px 0 0; font-size: 13px; color: var(--text-mid); line-height: 1.6; }
.xt-note-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── FORM — same as luan-giai.html ─────────────────────────── */
.form-section { padding: 64px 0; border-bottom: 1px solid var(--border); }
.section-eyebrow { font-size: 10px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--text-lt); margin-bottom: 36px; display: flex; align-items: center; gap: 16px; }
.section-eyebrow::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; border: 1px solid var(--border); }
.form-grid.cols-1 { grid-template-columns: 1fr; max-width: 440px; }
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.form-col { padding: 32px 32px 36px; border-right: 1px solid var(--border); }
.form-col:last-child { border-right: none; }
.form-col-title { font-size: 10px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--navy); margin-bottom: 28px; padding-bottom: 14px; border-bottom: 2px solid var(--navy); }
.form-group { margin-bottom: 24px; }
.form-group:last-child { margin-bottom: 0; }
.form-label { display: block; font-size: 10px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-lt); margin-bottom: 8px; }
.form-input { width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--border); padding: 10px 0; font-size: 16px; color: var(--text); font-family: Arial, sans-serif; outline: none; transition: border-color .2s; }
.form-input:focus { border-color: var(--navy); }
.form-input::placeholder { color: #C4C4C4; }
select.form-input { cursor: pointer; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-submit { width: 100%; background: var(--navy); color: #fff; border: none; padding: 16px; font-family: Arial, sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; cursor: pointer; transition: background .2s; margin-top: 4px; }
.btn-submit:hover { background: var(--navy-mid); }
.btn-submit:disabled { background: #aaa; cursor: not-allowed; }

/* ── STATUS ─────────────────────────────────────────────────── */
.status-bar { display: none; align-items: center; gap: 16px; padding: 16px 32px; background: var(--bg-soft); border: 1px solid var(--border); border-top: none; }
.status-bar.active { display: flex; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); animation: blink 1.2s ease-in-out infinite; flex-shrink: 0; }
@keyframes blink { 0%,100%{ opacity:1 } 50%{ opacity:.25 } }
#loader-text { font-size: 13px; color: var(--text-mid); font-weight: 500; flex: 1; }
.error-msg { display: none; background: #FFF5F5; border-left: 3px solid var(--red); padding: 14px 20px; font-size: 14px; color: var(--red); margin-top: 16px; }
.error-msg.active { display: block; }

/* ── RESULT HEADER ───────────────────────────────────────────── */
.result-section { display: none; padding: 56px 0 0; }
.result-section.active { display: block; }
.result-eyebrow { font-size: 10px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }

/* ── RESULT CARDS ── tool-specific result blocks ─────────────── */
.res-block { border: 1px solid var(--border-lt); margin-bottom: 20px; }
.res-block-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; background: var(--bg-soft); border-bottom: 1px solid var(--border-lt); }
.res-block-title { font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--navy); }
.res-block-body { padding: 24px; }
.res-big { font-size: 48px; font-weight: 400; color: var(--navy); line-height: 1; margin-bottom: 6px; }
.res-big-label { font-size: 11px; color: var(--text-lt); letter-spacing: 1px; text-transform: uppercase; }
.res-row { font-size: 14px; color: var(--text-mid); padding: 10px 0; border-bottom: 1px solid var(--border-lt); display: flex; align-items: baseline; gap: 12px; }
.res-row:last-child { border-bottom: none; }
.res-row-label { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-lt); min-width: 100px; flex-shrink: 0; }
.res-row-val { color: var(--text); font-size: 15px; }

/* Tag pill — cho cách cục, kết quả xét tuổi */
.res-tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 2px; letter-spacing: .5px; margin: 2px; }
.res-tag-good { background: #eaf4ed; color: var(--green); border: 1px solid #c3e0cc; }
.res-tag-bad  { background: #fef0ef; color: var(--red);   border: 1px solid #f5c0bc; }
.res-tag-warn { background: #fdf6e9; color: var(--gold);  border: 1px solid #e8d9b0; }
.res-tag-neu  { background: var(--bg-soft); color: var(--text-mid); border: 1px solid var(--border); }

/* Score bar */
.score-wrap { margin-top: 8px; }
.score-row { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.score-name { font-size: 11px; color: var(--text-mid); width: 120px; flex-shrink: 0; }
.score-bar-bg { flex: 1; height: 6px; background: var(--border-lt); border-radius: 3px; overflow: hidden; }
.score-bar-fill { height: 100%; border-radius: 3px; transition: width .6s; }
.score-num { font-size: 11px; color: var(--text-lt); width: 28px; text-align: right; flex-shrink: 0; }

/* Dai van item */
.dv-item { display: flex; align-items: center; gap: 18px; padding: 14px 24px; border-bottom: 1px solid var(--border-lt); }
.dv-item:last-child { border-bottom: none; }
.dv-item.current { background: var(--gold-lt); }
.dv-age { font-size: 24px; font-weight: 400; color: var(--navy); min-width: 36px; font-family: Arial,sans-serif; }
.dv-age small { font-size: 10px; color: var(--text-lt); display: block; font-weight: 400; letter-spacing: 1px; }
.dv-canchi { font-size: 16px; font-weight: 600; color: var(--navy); flex: 1; }
.dv-years { font-size: 12px; color: var(--text-lt); }
.dv-badge { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 10px; background: var(--gold); color: #fff; }

/* Compat item (tuong-hop) */
.compat-item { padding: 14px 24px; border-bottom: 1px solid var(--border-lt); display: flex; gap: 16px; align-items: flex-start; }
.compat-item:last-child { border-bottom: none; }
.compat-item.good { background: #f4fbf6; }
.compat-item.bad  { background: #fef8f7; }
.compat-icon { font-size: 14px; flex-shrink: 0; margin-top: 2px; }
.compat-name { font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 3px; }
.compat-desc { font-size: 13px; color: var(--text-mid); line-height: 1.6; }

/* Pillars (tu-tru) */
.pillars-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--border); }
.pillar-cell { background: #fff; padding: 24px 16px; text-align: center; }
.pillar-cell.active { background: var(--gold-lt); }
.pillar-label { font-size: 9px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text-lt); margin-bottom: 16px; }
.pillar-can { font-family: Arial, sans-serif; font-size: 28px; font-weight: 700; line-height: 1; margin-bottom: 8px; }
.pillar-chi { font-family: Arial, sans-serif; font-size: 28px; font-weight: 400; line-height: 1; }
.pillar-sub { font-size: 11px; color: var(--text-lt); margin-top: 10px; line-height: 1.5; }

/* Kim Lau table */
.kl-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.kl-table th { background: var(--navy); color: #fff; padding: 10px 16px; text-align: left; font-size: 9px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.kl-table td { padding: 10px 16px; border-bottom: 1px solid var(--border-lt); }
.kl-table tr:nth-child(even) td { background: var(--bg-soft); }
.kl-table tr.highlight td { background: var(--gold-lt); border-left: 3px solid var(--gold); font-weight: 600; }

/* CTA at bottom */
.tool-cta { border: 2px solid #c9a84c; background: linear-gradient(135deg,#fdf6e9 0%,#fff9ef 100%); padding: 40px 36px; margin: 56px 0; text-align: center; position: relative; overflow: hidden; }
.tool-cta::before { content:''; position:absolute; inset:0; background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(201,168,76,.03) 10px,rgba(201,168,76,.03) 20px); pointer-events:none; }
.tool-cta-eyebrow { font-size: 10px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: #c9a84c; margin-bottom: 12px; }
.tool-cta-title { font-size: 24px; font-weight: 400; color: var(--navy); margin-bottom: 10px; line-height: 1.3; }
.tool-cta-desc { font-size: 14px; color: #666; line-height: 1.7; margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }
.tool-cta-btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 36px; background: var(--navy); color: #c9a84c; border: 2px solid #c9a84c; border-radius: 4px; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; font-family: inherit; transition: all .2s; text-decoration: none; }
.tool-cta-btn:hover { background: #c9a84c; color: var(--navy); }

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer { background: #1A1210; color: rgba(255,255,255,.5); padding: 36px 32px 24px; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 20px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 36px; height: 36px; object-fit: contain; border-radius: 5px; opacity: .9; }
.footer-brand-text .name { font-size: 14px; font-weight: 700; color: rgba(255,255,255,.85); font-family: Georgia,serif; }
.footer-brand-text .zh   { font-size: 12px; color: #C9A84C; }
.footer-tagline { font-size: 12px; margin-top: 8px; color: rgba(255,255,255,.35); line-height: 1.6; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: rgba(255,255,255,.25); }
.footer-bottom img { width: 20px; height: 20px; object-fit: contain; opacity: .3; border-radius: 3px; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .page { padding: 0 16px; }
  .form-grid { grid-template-columns: 1fr !important; }
  .form-col { border-right: none; border-bottom: 1px solid var(--border); }
  .form-col:last-child { border-bottom: none; }
  .xt-grid-2 { grid-template-columns: 1fr; gap: 32px; }
  .pillars-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 480px) {
  .form-row-3 { grid-template-columns: 1fr 1fr; }
  .pillars-grid { grid-template-columns: repeat(2,1fr); }
}