:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#1b2331;background:#f4f7fb;line-height:1.5}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{border:none;background:#1467b8;color:white;border-radius:12px;padding:.75rem 1rem;font-weight:650;cursor:pointer}button:disabled{opacity:.5;cursor:wait}.ghost,.subtle{background:#edf4fa;color:#164b7a}.bar{background:white;border-bottom:1px solid #e0e7f2;display:flex;justify-content:space-between;align-items:center;padding:.75rem max(1rem,calc((100vw - 980px)/2));gap:1rem}.brand{display:flex;gap:.75rem;align-items:center}.brand small{display:block;font-size:.7rem;color:#5c6b7d}.brand-icon{display:grid;place-items:center;width:38px;height:38px;background:#183453;color:white;border-radius:12px;font-weight:bold;font-size:1.35rem}main{max-width:980px;margin:1.1rem auto;padding:0 1rem;min-height:70vh}.warning{background:#fff6e7;color:#754d0f;padding:.75rem 1rem;border:1px solid #f0d5a2;border-radius:10px;font-size:.88rem}.notice{margin:.9rem 0;background:#e8f3ff;border:1px solid #91c5ff;padding:.8rem;border-radius:12px}.notice.error{background:#fff0ef;border-color:#ffb1b1}.card,.panel{background:white;border:1px solid #dce5ef;border-radius:16px;padding:1.25rem;margin:1rem 0;box-shadow:0 3px 12px #19345007}.hero{max-width:580px;margin:2.2rem auto}.hero h1{font-size:1.7rem}.minor,.hint{color:#617082;font-size:.93rem}label{display:block;font-weight:650;font-size:.93rem}input,select,textarea{display:block;border:1px solid #bfcbd7;border-radius:10px;padding:.75rem;width:100%;margin:.3rem 0 .9rem;background:white;color:#1b2331}input:focus,textarea:focus,select:focus{outline:2px solid #7dbcf8;outline-offset:1px}textarea{resize:vertical}.row{display:flex;gap:.65rem;flex-wrap:wrap}.stack{max-width:600px}.workspace-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;flex-wrap:wrap}.workspace-header h1{margin-bottom:0}.salon-select{min-width:min(100%,260px)}.tabs{display:flex;flex-wrap:wrap;gap:.4rem;margin:1rem 0}.tabs button{background:#e6eef6;color:#274666;font-size:.86rem;padding:.65rem .85rem}.tabs button.active{background:#1467b8;color:white}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:.65rem}.stat{background:#f0f6ff;border-radius:12px;padding:1rem}.stat strong{display:block;font-size:1.6rem}.list{display:grid;gap:.6rem}.item{border:1px solid #e0e7ee;border-radius:12px;padding:1rem;background:#fcfdff;overflow-wrap:anywhere}.item h4{margin:.1rem 0}.item p{margin:.4rem 0}.item small{color:#526275}.action-row{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.75rem}.action-row button{font-size:.86rem}.item textarea{margin:.65rem 0}.item input{max-width:370px}.empty{color:#5b6979;background:#f3f7fb;padding:.9rem;border-radius:10px}h1{font-size:1.5rem}h2{font-size:1.2rem}h3{font-size:1rem;margin-top:1.5rem}hr{border:0;border-top:1px solid #e0e8f1;margin:1.7rem 0}footer{text-align:center;color:#66798c;font-size:.77rem;padding:2rem 1rem}summary{cursor:pointer;padding:.45rem 0}@media(max-width:570px){.panel,.card{padding:1rem}.tabs{display:grid;grid-template-columns:repeat(3,1fr)}.tabs button{padding:.75rem .25rem;font-size:.76rem}.workspace-header{display:block}button{min-height:42px}}

#metrics-results{margin-top:1rem}#ai-result{white-space:pre-line}label input[type='checkbox']{width:auto;margin-right:.4rem}
/* UX rev 0.7: five primary tabs; everything else behind Thêm. */
[hidden]{display:none!important}
:root{--ux-ink:#23312f;--ux-accent:#146c58;--ux-ring:#8fc5b0}
body{color:var(--ux-ink);background:#f6f7f5}
.bar{border-color:#e4e8e5}
button{min-height:46px}
button:focus-visible,a:focus-visible{outline:3px solid var(--ux-ring);outline-offset:3px}
.panel,.card{border-color:#e4eae7;box-shadow:0 3px 14px #29473f0a}
#workspace{padding-bottom:78px}
#workspace .tabs{position:fixed;bottom:0;left:0;right:0;margin:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;background:#fff;border-top:1px solid #dfe8e3;padding:6px max(8px,calc((100vw - 980px)/2)) max(8px,env(safe-area-inset-bottom,8px));z-index:30;box-shadow:0 -4px 16px #283d3011}
#workspace .tabs button{border-radius:10px;background:transparent;color:#5e6c67;font-size:1.25rem;line-height:1.1;padding:6px 2px;min-height:56px;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center}
#workspace .tabs button span{font-size:.74rem;line-height:1.25;font-weight:700;display:block}
#workspace .tabs button.active{color:#146c58;background:#e9f5ee}
#workspace .more-menu{position:fixed;z-index:31;bottom:82px;right:max(10px,calc((100vw - 980px)/2));width:min(92vw,360px);max-height:min(65vh,520px);overflow-y:auto;border-radius:18px;padding:12px;background:white;border:1px solid #dce7e0;box-shadow:0 15px 50px #1f403e3b;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
#workspace .more-menu p{grid-column:1/-1;margin:2px 5px 6px}
#workspace .more-menu button{min-height:50px;background:#f3f7f5;color:#24584a;text-align:left;font-size:.9rem;padding:10px}
#workspace .more-menu button.active{background:#dcefe4}
.first-steps,.care-preview,.quick-result{border-radius:16px;padding:16px;background:#f5f9f7;border:1px solid #d6e9df;margin:14px 0}
.first-steps h3{margin:0 0 8px}.first-steps p{color:#465a53}
.step-label{font-size:1rem;margin-bottom:12px}
.step{display:inline-grid;place-items:center;background:#dfefe5;color:#146c58;border-radius:50%;height:28px;width:28px;font-size:.93rem;margin-right:7px;font-weight:800}
.step-on-button{background:#fff;color:#146c58;height:25px;width:25px}
.primary-action{background:#146c58;color:#fff;width:100%;font-size:1.05rem;min-height:54px}
.care-preview p{white-space:pre-wrap;font-weight:400;line-height:1.55;max-height:7.5em;overflow-y:auto}
.quick-result{background:#e7f7ec}.quick-result input{background:white}
.old-visits{margin-top:20px}.old-visits>summary{padding:14px;background:#f3f7f5;border-radius:10px}
.brand-preview{display:flex;gap:12px;align-items:center;padding:16px;margin:12px 0;background:#fff;border-radius:16px;border:1px solid #e1e8e2;border-left:5px solid var(--brand-accent,#146c58)}
.brand-preview strong{display:block;font-size:1.1rem}.brand-preview small{display:block;color:#62726c}
.monogram,.brand-preview img{display:grid;place-items:center;width:58px;height:58px;border-radius:15px;background:#ecf3ed;color:var(--brand-accent,#146c58);font-size:1.5rem;font-weight:800;object-fit:contain;flex-shrink:0}
.logo-upload{margin-bottom:28px}
@media(max-width:570px){main{padding:0 12px}.bar{padding:9px 12px}.workspace-header{display:block}.panel{padding:15px}#workspace .tabs button{padding:6px 0;font-size:1.2rem}#workspace .tabs button span{font-size:.7rem}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.first-steps .row button{width:100%}}
@media(max-width:350px){#workspace .tabs button span{font-size:.64rem}.stats{grid-template-columns:1fr 1fr}h1{font-size:1.3rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}}

.payment-qr{display:block;max-width:100%;height:auto;object-fit:contain;margin:12px auto;border-radius:12px}