/* ============================================================
   CAOCUONG.XYZ — Hệ thống báo cáo kỹ thuật
   Concept: "Bảng điều khiển kỹ thuật / blueprint"
   - Navy điều hướng, vùng làm việc trắng, điểm nhấn cyan-điện
   - Mã máy & số liệu dạng mono như nhãn thiết bị thật
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* Bảng màu */
  --navy:#0B2545;        /* nền sidebar/điều hướng */
  --navy-2:#13315C;      /* lớp navy nhạt hơn */
  --steel:#3E5C82;       /* xám-xanh phụ */
  --cyan:#16C2D5;        /* điểm nhấn cyan-điện (signature) */
  --cyan-d:#0E97A6;
  --blue:#1D6FD8;        /* xanh hành động */
  --blue-d:#1559B0;
  --ink:#10243E;         /* chữ chính */
  --ink-soft:#5B7088;
  --line:#E1E8F0;
  --line-2:#CFDAE6;
  --bg:#F2F6FB;          /* nền vùng làm việc */
  --surface:#FFFFFF;
  --ok:#179C5A;
  --ok-bg:#E4F6EC;
  --no:#D64242;
  --no-bg:#FCEAEA;
  --warn:#D98A1F;
  --warn-bg:#FBF0DC;
  --na:#8595A7;
  --na-bg:#EEF2F6;
  --shadow-sm:0 1px 2px rgba(11,37,69,.06);
  --shadow:0 2px 8px rgba(11,37,69,.07), 0 12px 32px rgba(11,37,69,.06);
  --shadow-lg:0 12px 48px rgba(11,37,69,.16);
  --r:14px;
  --r-sm:9px;
  --sora:'Sora',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
input,textarea,button,select{font-family:inherit;font-size:14px;color:inherit}
a{text-decoration:none;color:inherit}
::selection{background:var(--cyan);color:#03121b}

/* ============ KHUNG: SIDEBAR + MAIN ============ */
.app{display:grid;grid-template-columns:262px 1fr;min-height:100vh}

.sidebar{
  background:
    radial-gradient(120% 60% at 0% 0%, rgba(22,194,213,.16), transparent 60%),
    linear-gradient(180deg,var(--navy) 0%, #081B36 100%);
  color:#DCE6F2;
  display:flex;flex-direction:column;
  padding:22px 18px;
  position:sticky;top:0;height:100vh;
}
.sb-brand{display:flex;align-items:center;gap:12px;padding:6px 6px 22px;border-bottom:1px solid rgba(255,255,255,.08)}
.sb-logo{
  width:46px;height:46px;border-radius:11px;flex-shrink:0;overflow:hidden;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  display:flex;align-items:center;justify-content:center;
  position:relative;box-shadow:0 4px 14px rgba(22,194,213,.4);
}
.sb-logo.has-img{width:auto;height:44px;max-width:160px;border-radius:8px;background:#fff;padding:4px 8px;box-shadow:0 4px 14px rgba(11,37,69,.18)}
.sb-logo.has-img img{width:auto;height:100%}
.sb-logo img{width:100%;height:100%;object-fit:contain;background:#fff}
.sb-logo .mark{font-family:var(--sora);font-weight:800;font-size:20px;color:#06202b}
.sb-logo-up{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:#06202b;cursor:pointer}
.sb-brand-txt{min-width:0}
.sb-brand-name{font-family:var(--sora);font-weight:700;font-size:15px;color:#fff;letter-spacing:.2px;line-height:1.2}
.sb-brand-dom{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:.5px}

.sb-section{font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:#6E84A0;margin:22px 8px 8px}
.sb-nav{display:flex;flex-direction:column;gap:3px}
.sb-link{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:10px;
  color:#B8C7DB;font-weight:500;font-size:14px;transition:.16s;cursor:pointer;border:1px solid transparent}
.sb-link svg{width:18px;height:18px;flex-shrink:0;stroke-width:1.9}
.sb-link:hover{background:rgba(255,255,255,.05);color:#fff}
.sb-link.active{background:linear-gradient(135deg,rgba(22,194,213,.18),rgba(29,111,216,.12));
  color:#fff;border-color:rgba(22,194,213,.35)}
.sb-link.active svg{color:var(--cyan)}

.sb-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:11.5px;color:#6E84A0;line-height:1.5}
.sb-foot b{color:#9FB2C9;font-weight:600}

/* ============ MAIN ============ */
.main{display:flex;flex-direction:column;min-width:0}
.topbar{
  background:rgba(255,255,255,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  padding:16px 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:sticky;top:0;z-index:15;flex-wrap:wrap;
}
.tb-left{min-width:0}
.tb-crumb{font-family:var(--mono);font-size:11px;color:var(--ink-soft);letter-spacing:.4px;text-transform:uppercase}
.tb-title{font-family:var(--sora);font-size:20px;font-weight:700;color:var(--ink);line-height:1.2}
.tb-company{display:flex;align-items:center;gap:8px}
.company-name{border:1px solid transparent;background:transparent;font-family:var(--sora);
  font-size:14px;font-weight:600;color:var(--ink);padding:6px 10px;border-radius:8px;width:220px;max-width:46vw}
.company-name:focus{outline:none;border-color:var(--line-2);background:#fff}
.company-name::placeholder{color:var(--ink-soft);font-weight:500}

.content{padding:30px;max-width:1320px;width:100%;margin:0 auto}

/* ============ NÚT ============ */
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--blue);color:#fff;border:none;
  padding:10px 18px;border-radius:var(--r-sm);font-weight:600;font-size:13.5px;cursor:pointer;
  transition:.15s;box-shadow:var(--shadow-sm);font-family:var(--body)}
.btn:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn svg{width:16px;height:16px;stroke-width:2}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2);box-shadow:none}
.btn.ghost:hover{background:var(--bg);border-color:var(--steel)}
.btn.accent{background:linear-gradient(135deg,var(--cyan),var(--cyan-d));color:#06202b}
.btn.accent:hover{filter:brightness(1.05)}
.btn.add{background:var(--ok-bg);color:var(--ok);box-shadow:none}
.btn.add:hover{background:#d4f0df}
.btn.lg{padding:13px 24px;font-size:15px}

/* ============ PICKER — chọn loại báo cáo ============ */
.intro{margin-bottom:26px}
.intro h1{font-family:var(--sora);font-size:28px;font-weight:800;color:var(--ink);margin:0 0 8px;letter-spacing:-.4px}
.intro p{margin:0;color:var(--ink-soft);font-size:15px;max-width:580px}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.rep-card{
  position:relative;text-align:left;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;cursor:pointer;
  transition:.2s;box-shadow:var(--shadow-sm);overflow:hidden;
}
.rep-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--cyan),var(--blue));transform:scaleY(0);transform-origin:top;transition:.25s}
.rep-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-lg)}
.rep-card:hover::before{transform:scaleY(1)}
.rep-code{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--cyan-d);
  letter-spacing:1px;margin-bottom:14px;display:block}
.rep-ic{width:52px;height:52px;border-radius:13px;background:linear-gradient(135deg,#EAF4FF,#DCE9FB);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--blue)}
.rep-ic svg{width:26px;height:26px;stroke-width:1.8}
.rep-name{font-family:var(--sora);font-size:17px;font-weight:700;color:var(--ink);margin-bottom:7px}
.rep-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.5}
.rep-go{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--blue)}
.rep-go svg{width:15px;height:15px;transition:.2s}
.rep-card:hover .rep-go svg{transform:translateX(4px)}

/* ============ EDITOR ============ */
.editor-bar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.editor-tag{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);
  padding:8px 14px 8px 10px;border-radius:30px;box-shadow:var(--shadow-sm)}
.editor-tag .dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,194,213,.18)}
.editor-tag span{font-family:var(--sora);font-weight:600;font-size:14px}
.export-group{display:flex;gap:9px;flex-wrap:wrap}

.editor-body{display:grid;grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:24px;align-items:start}
@media(max-width:1080px){.editor-body{grid-template-columns:1fr}}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.panel-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.panel-head .ph-ic{width:30px;height:30px;border-radius:8px;background:var(--navy);color:var(--cyan);
  display:flex;align-items:center;justify-content:center}
.panel-head .ph-ic svg{width:16px;height:16px;stroke-width:2}
.panel-head h2{font-family:var(--sora);font-size:14.5px;font-weight:700;margin:0;color:var(--ink)}
.panel-head .ph-sub{font-size:12px;color:var(--ink-soft);margin-left:auto;font-family:var(--mono)}
.panel-body{padding:20px}

.col-label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);
  margin:22px 0 12px;display:flex;align-items:center;gap:8px}
.col-label::after{content:"";flex:1;height:1px;background:var(--line)}
.col-label:first-child{margin-top:0}

.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
@media(max-width:560px){.field-grid{grid-template-columns:1fr}}
.fld{display:flex;flex-direction:column;gap:6px}
.fld>span{font-size:12px;color:var(--ink-soft);font-weight:600}
.fld input,.fld textarea,#f_ketluan{border:1px solid var(--line-2);border-radius:var(--r-sm);
  padding:10px 12px;width:100%;background:#fff;transition:.15s}
.fld.mono input{font-family:var(--mono);letter-spacing:.5px}
.fld input:focus,#f_ketluan:focus,.dyn-input:focus{outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(22,194,213,.18)}
#f_ketluan{border:1px solid var(--line-2);border-radius:var(--r-sm);padding:11px 13px;width:100%;resize:vertical;background:#fff}

/* dòng động */
.dyn-row{position:relative;border:1px solid var(--line);border-radius:12px;padding:14px 14px 12px;
  margin-bottom:11px;background:linear-gradient(180deg,#FAFCFE,#F4F8FC);transition:.15s}
.dyn-row:hover{border-color:var(--line-2)}
.dyn-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dyn-cell{display:flex;flex-direction:column;gap:4px}
.dyn-cell.full{grid-column:1/-1}
.dyn-cell label{font-size:10.5px;color:var(--ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.dyn-input{border:1px solid var(--line-2);border-radius:8px;padding:8px 10px;width:100%;background:#fff;font-size:13.5px}
select.dyn-input{cursor:pointer;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235B7088' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}
.row-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.row-num{font-family:var(--mono);font-size:11px;font-weight:600;color:#fff;background:var(--navy);
  padding:2px 9px;border-radius:20px;letter-spacing:.5px}
.row-del{border:1px solid var(--line-2);background:#fff;color:var(--no);width:26px;height:26px;
  border-radius:7px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s}
.row-del svg{width:14px;height:14px;stroke-width:2.2}
.row-del:hover{background:var(--no);color:#fff;border-color:var(--no)}

/* ============ PAPER (vùng xuất) ============ */
.preview-panel .panel-body{background:#E8EEF5;border-radius:0 0 var(--r) var(--r)}
.paper-scroll{overflow:auto;max-height:82vh;display:flex;justify-content:center}
.paper{background:#fff;width:794px;max-width:100%;padding:46px 50px;color:#15212e;font-size:13px;
  box-shadow:0 4px 24px rgba(11,37,69,.14);font-family:var(--body)}
.p-head{display:flex;align-items:flex-start;gap:18px;border-bottom:3px solid var(--navy);padding-bottom:16px;position:relative}
.p-head::after{content:"";position:absolute;bottom:-3px;left:0;width:120px;height:3px;background:var(--cyan)}
.p-head img{height:56px;width:auto;max-width:240px;object-fit:contain;display:block}
.p-head .p-logo-fallback{width:66px;height:66px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--blue));
  display:flex;align-items:center;justify-content:center;font-family:var(--sora);font-weight:800;font-size:26px;color:#06202b}
.p-head .p-co{font-family:var(--sora);font-size:20px;font-weight:800;color:var(--navy);text-transform:uppercase;letter-spacing:.3px;line-height:1.15}
.p-head .p-co-sub{font-size:12px;color:#6B7B8C;margin-top:3px}
.p-head .p-doc-id{margin-left:auto;text-align:right;font-family:var(--mono);font-size:10.5px;color:#8595A7;letter-spacing:.5px}
.p-title{text-align:center;font-family:var(--sora);font-size:20px;font-weight:800;margin:22px 0 4px;text-transform:uppercase;color:var(--ink);letter-spacing:-.2px}
.p-title-rule{width:60px;height:3px;background:var(--cyan);margin:0 auto 6px;border-radius:2px}

.p-meta{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:20px 0;border:1px solid #D3DEEA;border-radius:8px;overflow:hidden}
.p-meta div{padding:9px 14px;font-size:12.5px;border-bottom:1px solid #E5ECF3}
.p-meta div:nth-child(odd){border-right:1px solid #E5ECF3;background:#F7FAFD}
.p-meta div:nth-last-child(-n+2){border-bottom:none}
.p-meta b{color:var(--steel);font-weight:600;display:inline-block;min-width:78px}
.p-meta .mono{font-family:var(--mono);font-weight:600;color:var(--navy)}

.p-table{width:100%;border-collapse:collapse;margin-top:6px;font-size:12px}
.p-table th,.p-table td{border:1px solid #C9D6E3;padding:8px 10px;text-align:left;vertical-align:top}
.p-table th{background:var(--navy);color:#fff;font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.03em}
.p-table tr:nth-child(even) td{background:#F6F9FC}
.p-pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:700;white-space:nowrap}
.pill-ok{background:var(--ok-bg);color:var(--ok)}
.pill-no{background:var(--no-bg);color:var(--no)}
.pill-na{background:var(--na-bg);color:var(--na)}
.pill-warn{background:var(--warn-bg);color:var(--warn)}

.p-concl{margin-top:20px;border-left:3px solid var(--cyan);background:#F4FBFC;padding:12px 16px;border-radius:0 8px 8px 0;font-size:12.5px}
.p-concl .lbl{font-family:var(--sora);font-weight:700;color:var(--navy);display:block;margin-bottom:3px;font-size:12px}
.p-sign{display:flex;justify-content:space-around;margin-top:42px;text-align:center;font-size:12.5px}
.p-sign .col{width:42%}
.p-sign .role{font-family:var(--sora);font-weight:700;color:var(--navy);text-transform:uppercase;font-size:12px;letter-spacing:.04em}
.p-sign .hint{font-size:10.5px;color:#8595A7;font-style:italic;margin-top:2px}
.p-sign .space{height:58px}
.p-sign .name{font-weight:600}

/* ============ TOAST ============ */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;
  padding:13px 22px;border-radius:11px;font-weight:600;font-size:14px;box-shadow:var(--shadow-lg);z-index:60;
  display:flex;align-items:center;gap:10px;animation:toastIn .28s cubic-bezier(.2,.8,.2,1)}
.toast .ti{width:18px;height:18px;flex-shrink:0}
.toast.ok{background:linear-gradient(135deg,#179C5A,#0F7A45)}
.toast.err{background:linear-gradient(135deg,#D64242,#B82F2F)}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}

/* ============ TRANG ĐÃ LƯU ============ */
.toolbar-row{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.search-box{display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line-2);
  border-radius:10px;padding:0 14px;min-width:300px;box-shadow:var(--shadow-sm)}
.search-box svg{width:17px;height:17px;color:var(--ink-soft);flex-shrink:0}
.search-box input{border:none;outline:none;padding:11px 0;width:100%;background:transparent}
.stat-strip{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;min-width:140px;box-shadow:var(--shadow-sm)}
.stat-card .num{font-family:var(--sora);font-size:26px;font-weight:800;color:var(--navy);line-height:1}
.stat-card .lbl{font-size:12px;color:var(--ink-soft);margin-top:5px;font-weight:500}
.stat-card.accent{border-color:rgba(22,194,213,.4);background:linear-gradient(135deg,#F1FBFC,#fff)}
.stat-card.accent .num{color:var(--cyan-d)}

.table-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.saved-table{width:100%;border-collapse:collapse}
.saved-table th{background:#F7FAFD;color:var(--steel);font-weight:600;font-size:11px;text-transform:uppercase;
  letter-spacing:.05em;padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
.saved-table td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
.saved-table tr:last-child td{border-bottom:none}
.saved-table tbody tr{transition:.12s}
.saved-table tbody tr:hover{background:#F7FBFF}
.saved-table .t-machine{font-weight:600;color:var(--ink)}
.saved-table .t-code{font-family:var(--mono);font-size:12px;color:var(--cyan-d);font-weight:600}
.saved-table .t-date{font-family:var(--mono);font-size:12px;color:var(--ink-soft)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:7px;font-size:12px;font-weight:600;
  background:#EAF2FE;color:var(--blue-d)}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.t-bangiao{background:#E4F6EC;color:#0F7A45}
.badge.t-kehoach{background:#EAF2FE;color:var(--blue-d)}
.badge.t-baoduong{background:#FBF0DC;color:#B5740F}
.act-btn{border:1px solid var(--line-2);background:#fff;border-radius:8px;padding:7px 13px;cursor:pointer;
  font-weight:600;font-size:12.5px;margin-right:6px;transition:.14s;display:inline-flex;align-items:center;gap:5px}
.act-btn svg{width:14px;height:14px;stroke-width:2}
.act-view{color:var(--blue)}
.act-view:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.act-del{color:var(--no)}
.act-del:hover{background:var(--no);color:#fff;border-color:var(--no)}
.empty{text-align:center;color:var(--ink-soft);padding:60px 20px}
.empty svg{width:46px;height:46px;color:var(--line-2);margin-bottom:14px}
.empty p{margin:0;font-size:15px}

/* login */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 130px);padding:20px}
.login-box{max-width:380px;width:100%;background:#fff;padding:36px 34px;border-radius:18px;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);text-align:center}
.login-box .lock{width:54px;height:54px;border-radius:14px;background:var(--navy);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.login-box .lock svg{width:26px;height:26px;stroke-width:1.8}
.login-box h2{font-family:var(--sora);color:var(--navy);margin:0 0 6px;font-size:21px;font-weight:700}
.login-box p{color:var(--ink-soft);font-size:13.5px;margin:0 0 22px}
.login-box input{width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;margin-bottom:12px}
.login-box input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(22,194,213,.18)}
.login-err{color:var(--no);font-size:13px;margin-top:12px;min-height:18px}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(8,20,38,.6);backdrop-filter:blur(3px);z-index:60;
  overflow:auto;padding:26px;display:none}
.modal-inner{max-width:880px;margin:0 auto}
.modal-bar{display:flex;justify-content:flex-end;gap:9px;margin-bottom:12px;flex-wrap:wrap}
.modal-paper-wrap{background:#E8EEF5;border-radius:14px;padding:22px;display:flex;justify-content:center}

/* responsive: sidebar -> topbar trên mobile */
/* ============ TABLET ============ */
@media(max-width:860px){
  .app{grid-template-columns:1fr}
  .sidebar{position:sticky;top:0;z-index:30;height:auto;flex-direction:row;align-items:center;gap:10px;
    padding:10px 14px;flex-wrap:nowrap;overflow-x:auto}
  .sb-brand{border:none;padding:0;flex-shrink:0}
  .sb-section{display:none}
  .sb-nav{flex-direction:row;gap:6px;flex-shrink:0}
  .sb-link{padding:9px 14px;white-space:nowrap}
  .sb-foot{display:none}
  .content{padding:18px}
  .topbar{padding:14px 18px}
  .company-name{width:160px}
}

/* ============ ĐIỆN THOẠI ============ */
@media(max-width:680px){
  .content{padding:14px}
  .topbar{padding:12px 14px;gap:10px;position:static}
  .tb-title{font-size:17px}
  .tb-company{width:100%;order:3}
  .company-name{width:100%;max-width:none;border:1px solid var(--line-2);background:#fff}

  /* các thẻ chọn loại: 1 cột, gọn */
  .card-grid{grid-template-columns:1fr;gap:13px}
  .rep-card{padding:18px 16px}
  .intro h1{font-size:22px}
  .intro p{font-size:14px}
  /* nút xoá mẫu: luôn hiện trên mobile (không có hover) */
  .rep-del{opacity:1;width:34px;height:34px}

  /* editor: 1 cột, nút xuất file dàn đều & to */
  .editor-body{grid-template-columns:1fr;gap:16px}
  .editor-bar{gap:10px;position:sticky;top:0;z-index:12;background:var(--bg);
    padding:10px 0;margin:-4px 0 14px;box-shadow:0 6px 12px -8px rgba(11,37,69,.2)}
  .editor-bar>.btn.ghost{flex:0 0 auto}
  .export-group{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .export-group .btn{justify-content:center;width:100%}
  .export-group .btn.accent{grid-column:1/-1}

  /* khung nhập & xem trước */
  .panel-body{padding:15px}
  .field-grid{grid-template-columns:1fr;gap:11px}
  .fld input,#f_ketluan,.dyn-input{font-size:16px}  /* >=16px để iOS không tự zoom */

  /* dòng động: dồn 1 cột cho dễ nhập */
  .dyn-grid{grid-template-columns:1fr;gap:9px}
  .dyn-row{padding:13px 12px}

  /* khung xem trước A4: cho cuộn cả 2 chiều, người dùng tự xem */
  .preview-panel .panel-body{padding:10px}
  .paper-scroll{max-height:58vh;justify-content:flex-start;overflow:auto;-webkit-overflow-scrolling:touch}
  .paper{width:680px;padding:30px 32px}
  .subtitle-edit{flex-direction:column;align-items:stretch;gap:6px}
  .subtitle-edit input{font-size:16px}

  /* nút bấm đủ lớn để chạm */
  .btn{padding:12px 18px;font-size:15px}
  .btn.add{width:100%;justify-content:center}

  /* builder */
  .bcol-row{grid-template-columns:30px 1fr 36px;gap:8px;row-gap:6px}
  .bcol-name{grid-column:2/3}
  .bcol-type{grid-column:2/3;font-size:15px}
  .bcol-del{grid-column:3/4;grid-row:1/3;height:auto}
  .info-checks{grid-template-columns:1fr 1fr}
  .chk{font-size:14px;padding:12px}

  /* bảng "đã lưu": cho cuộn ngang mượt, ẩn cột phụ */
  .table-card{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .saved-table{min-width:560px}
  .stat-strip{gap:10px}
  .stat-card{min-width:0;flex:1;padding:13px 14px}
  .stat-card .num{font-size:21px}
  .search-box{min-width:0;width:100%}
  .toolbar-row{width:100%}

  /* modal xem chi tiết */
  .modal-overlay{padding:10px}
  .modal-paper-wrap{padding:10px;overflow-x:auto}
  .modal-bar{position:sticky;top:0;background:rgba(242,246,251,.96);padding:8px;border-radius:10px;z-index:2}
  .modal-bar .btn{flex:1;justify-content:center;min-width:0}

  /* login */
  .login-box{padding:28px 22px}
}

/* màn rất hẹp */
@media(max-width:380px){
  .export-group{grid-template-columns:1fr}
  .info-checks{grid-template-columns:1fr}
  .sb-brand-name{font-size:13px}
}

/* ============ BUILDER / mẫu tự tạo ============ */
.rep-card{position:relative}
.rep-del{position:absolute;top:14px;right:14px;width:30px;height:30px;border-radius:8px;border:1px solid var(--line-2);
  background:#fff;color:var(--no);display:flex;align-items:center;justify-content:center;opacity:0;transition:.16s;z-index:2}
.rep-del svg{width:15px;height:15px;stroke-width:2}
.rep-card:hover .rep-del{opacity:1}
.rep-del:hover{background:var(--no);color:#fff;border-color:var(--no)}
.rep-new{border-style:dashed;border-color:var(--line-2);background:linear-gradient(180deg,#FAFDFE,#F3F9FC)}
.rep-new:hover{border-color:var(--cyan)}
.rep-ic.new{background:linear-gradient(135deg,#E3FAFC,#D2F2F6);color:var(--cyan-d)}

.builder-wrap{max-width:760px}
.builder-hint{font-size:12.5px;color:var(--ink-soft);background:var(--bg);border-radius:9px;padding:11px 14px;margin-top:14px;line-height:1.5}
.builder-hint b{color:var(--steel)}

.info-checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:9px}
.chk{display:flex;align-items:center;gap:9px;padding:10px 13px;border:1px solid var(--line-2);border-radius:10px;
  cursor:pointer;font-size:13.5px;font-weight:500;transition:.14s;background:#fff;user-select:none}
.chk:hover{border-color:var(--steel);background:var(--bg)}
.chk input{width:17px;height:17px;accent-color:var(--blue);cursor:pointer}
.chk:has(input:checked){border-color:var(--cyan);background:#F1FBFC}

.bcol-row{display:grid;grid-template-columns:34px 1fr 220px 38px;gap:10px;align-items:center;margin-bottom:9px}
.bcol-handle{width:34px;height:34px;border-radius:8px;background:var(--navy);color:#fff;font-family:var(--mono);
  font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center}
.bcol-name{border:1px solid var(--line-2);border-radius:8px;padding:9px 11px;width:100%}
.bcol-name:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(22,194,213,.18)}
.bcol-type{border:1px solid var(--line-2);border-radius:8px;padding:9px 11px;width:100%;background:#fff;cursor:pointer;
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235B7088' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;padding-right:32px}
.bcol-type:focus{outline:none;border-color:var(--cyan)}
.bcol-del{width:38px;height:38px;border-radius:8px;border:1px solid var(--line-2);background:#fff;color:var(--no);
  cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.14s}
.bcol-del svg{width:16px;height:16px;stroke-width:2}
.bcol-del:hover{background:var(--no);color:#fff;border-color:var(--no)}
@media(max-width:600px){.bcol-row{grid-template-columns:28px 1fr 34px;gap:8px}.bcol-type{grid-column:2/3}}

/* dòng tiêu đề phụ sửa được */
.subtitle-edit{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.subtitle-edit label{font-size:12px;color:var(--ink-soft);font-weight:600;white-space:nowrap}
.subtitle-edit input{flex:1;min-width:200px;border:1px solid var(--line-2);border-radius:8px;padding:8px 11px;font-size:13px;background:#fff}
.subtitle-edit input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(22,194,213,.18)}