/* =========================================================
   ykien.thanhmieu.vn — Giao diện Lấy ý kiến Nhân dân
   Gam màu: xanh da trời · nâu · đỏ · cam · trắng
   ========================================================= */
:root{
  --sky-50:#EEF7FE; --sky-100:#D8EEFC; --sky-200:#AFDBF8; --sky-400:#3BA7EE; --sky-500:#1E8FE0; --sky-600:#0E74C2; --sky-700:#0B5FA5; --sky-900:#0A3463;
  --brown-50:#F8F2EC; --brown-100:#EFE2D4; --brown-400:#A86F45; --brown-600:#7B4A2A; --brown-800:#4E2C17;
  --red-50:#FDEEEF; --red-500:#D7263D; --red-600:#B81D32;
  --or-50:#FFF4E8; --or-100:#FFE4C6; --or-400:#F7A145; --or-500:#F28C28; --or-600:#D97212;
  --white:#fff; --ink:#1B2733; --ink-2:#3B4A59; --muted:#6A7A8B; --line:#E3E9F0; --bg:#F5F8FB;
  --r-sm:10px; --r:16px; --r-lg:24px;
  --sh-1:0 1px 2px rgba(10,52,99,.06),0 2px 8px rgba(10,52,99,.06);
  --sh-2:0 4px 10px rgba(10,52,99,.06),0 14px 34px rgba(10,52,99,.10);
  --sh-3:0 10px 24px rgba(10,52,99,.10),0 30px 60px rgba(10,52,99,.14);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--sky-600);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .4em;letter-spacing:-.01em}
p{margin:0 0 .8em}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em;background:var(--sky-50);color:var(--sky-700);padding:1px 6px;border-radius:6px}
hr{border:0;border-top:1px dashed var(--line);margin:18px 0}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.center{text-align:center}
.mt8{margin-top:8px}
.hide-sm{}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.ic{width:20px;height:20px;flex:none;vertical-align:-4px}
.ic.flip{transform:rotate(180deg)}
.ic.sm{width:16px;height:16px}
[hidden]{display:none!important}

/* ---------- Thanh trên cùng ---------- */
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.6) blur(12px);-webkit-backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid rgba(227,233,240,.8)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none!important;min-width:0}
.brand .mark{width:42px;height:42px;flex:none;filter:drop-shadow(0 4px 8px rgba(11,95,165,.3))}
.brand-tx{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-tx b{font-size:15px;color:var(--sky-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-tx small{font-size:12px;color:var(--brown-600);font-weight:600;letter-spacing:.02em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:4px}
.nav a{white-space:nowrap;display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;color:var(--ink-2);font-weight:600;font-size:14px;text-decoration:none;transition:.2s}
.nav a:hover{background:var(--sky-50);color:var(--sky-700)}
.nav a.on{background:var(--sky-100);color:var(--sky-700)}
.nav .btn-login{background:linear-gradient(135deg,var(--sky-500),var(--sky-700));color:#fff;box-shadow:0 6px 16px rgba(14,116,194,.3)}
.nav .btn-login:hover{color:#fff;background:linear-gradient(135deg,var(--sky-400),var(--sky-600))}
.notice-bar{background:linear-gradient(90deg,var(--or-50),#fff);border-bottom:1px solid var(--or-100);color:var(--brown-800);font-size:14px;padding:8px 0}
.notice-bar .ic{color:var(--or-600)}

/* ---------- Nút ---------- */
.btn{--bg:var(--sky-500);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:12px;border:1px solid transparent;font:600 15px/1.2 var(--font);cursor:pointer;text-decoration:none!important;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-lg{padding:14px 24px;font-size:16px;border-radius:14px}
.btn-sm{padding:7px 10px;font-size:13px;border-radius:10px;gap:5px}
.btn-sm .ic{width:16px;height:16px}
.btn-block{width:100%}
.btn-sky{background:linear-gradient(135deg,var(--sky-500),var(--sky-700));color:#fff;box-shadow:0 8px 18px rgba(14,116,194,.28)}
.btn-sky:hover{box-shadow:0 10px 24px rgba(14,116,194,.38);transform:translateY(-1px)}
.btn-orange{background:linear-gradient(135deg,var(--or-400),var(--or-600));color:#fff;box-shadow:0 8px 18px rgba(217,114,18,.3)}
.btn-orange:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,114,18,.4)}
.btn-red{background:linear-gradient(135deg,#E63B50,var(--red-600));color:#fff;box-shadow:0 8px 18px rgba(184,29,50,.3)}
.btn-red:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(184,29,50,.4)}
.btn-white{background:rgba(255,255,255,.95);color:var(--sky-700);box-shadow:var(--sh-1)}
.btn-white:hover{background:#fff}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.24)}
.btn-ghost-d{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-ghost-d:hover{border-color:var(--sky-200);color:var(--sky-700);background:var(--sky-50)}
.btn-ghost-r{background:#fff;color:var(--red-600);border-color:#F4C9CF}
.btn-ghost-r:hover{background:var(--red-50)}

/* ---------- Hero trang chủ ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(160deg,#0A3F7A 0%,#0E74C2 48%,#3BA7EE 100%)}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(600px 300px at 85% 10%,rgba(247,161,69,.45),transparent 60%),
  radial-gradient(500px 260px at 10% 90%,rgba(123,74,42,.35),transparent 60%),
  radial-gradient(2px 2px at 20% 30%,rgba(255,255,255,.5),transparent 60%);pointer-events:none}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(to bottom,#000,transparent 70%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding-top:48px;padding-bottom:96px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.02em;backdrop-filter:blur(6px)}
.hero h1{font-size:clamp(28px,4.4vw,48px);font-weight:800;margin:16px 0 14px;letter-spacing:-.02em}
.hero .hl{background:linear-gradient(90deg,#FFD08A,#F7A145);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:17px;color:rgba(255,255,255,.9);max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 26px}
.hero-stats{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:12px}
.hero-stats li{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:10px 16px;min-width:130px;backdrop-filter:blur(8px);box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.hero-stats b{display:block;font-size:24px;font-weight:800}
.hero-stats span{font-size:13px;opacity:.85}
.hero-art{position:relative}
.hero-art img{width:100%;max-width:560px;margin-left:auto;filter:drop-shadow(0 30px 40px rgba(5,30,60,.35));animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-8px)}}
.wave{position:absolute;bottom:-1px;left:0;width:100%;height:70px;fill:var(--bg)}

.steps{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-56px}
.step{position:relative;display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:var(--r);padding:18px 18px 16px;box-shadow:var(--sh-2);border:1px solid var(--line);overflow:hidden}
.step::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(var(--sky-500),var(--or-500))}
.step>.ic{width:42px;height:42px;padding:10px;border-radius:12px;background:var(--sky-50);color:var(--sky-600)}
.step:nth-child(2)>.ic{background:var(--or-50);color:var(--or-600)}
.step:nth-child(3)>.ic{background:var(--red-50);color:var(--red-500)}
.step b{display:block;font-size:16px}
.step p{margin:2px 0 0;font-size:14px;color:var(--muted)}
.step-n{position:absolute;right:12px;top:4px;font-size:44px;font-weight:800;color:var(--sky-50);line-height:1}

/* ---------- Thẻ, form ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);padding:22px;margin-bottom:18px}
.card-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.card-head h2{margin:0}
.h-ic{display:flex;align-items:center;gap:10px;font-size:18px}
.h-ic .ic{width:34px;height:34px;padding:7px;border-radius:10px;background:var(--sky-50);color:var(--sky-600)}
.form-wrap{padding-top:36px;padding-bottom:40px;max-width:900px}
.form-head{text-align:center;margin-bottom:20px}
.form-head h2{font-size:clamp(24px,3.4vw,32px);color:var(--sky-900);margin-top:10px}
.tag{display:inline-block;background:var(--brown-50);color:var(--brown-600);border:1px solid var(--brown-100);padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.03em;text-transform:uppercase}
fieldset.card{min-width:0}
.sec legend{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;padding:0 6px;color:var(--sky-900)}
.sec-n{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--sky-500),var(--sky-700));color:#fff;font-weight:800;font-size:15px;box-shadow:0 6px 12px rgba(14,116,194,.3);flex:none}
.sec-title{display:flex;gap:12px;align-items:flex-start;margin:28px 0 14px}
.sec-title h3{font-size:20px;color:var(--sky-900);margin:2px 0 2px}
.sec-title p{margin:0;font-size:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fld-wide{grid-column:1/-1}
.fld{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;font-weight:600;font-size:14px;color:var(--ink-2)}
.fld>span{display:block}
.req{color:var(--red-500);font-style:normal}
input[type=text],input[type=tel],input[type=password],input[type=search],input[type=date],input[type=number],input[type=url],select,textarea{
  width:100%;font:400 16px/1.4 var(--font);color:var(--ink);background:#fff;border:1.5px solid #D5DFEA;border-radius:12px;padding:11px 13px;transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E74C2' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:18px;padding-right:40px}
textarea{resize:vertical;min-height:70px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sky-400);box-shadow:0 0 0 4px rgba(59,167,238,.18)}
input:disabled{background:var(--sky-50);color:var(--sky-700);font-weight:600}
.hint{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:8px 0 0}
.hint.center{justify-content:center}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.stack{display:flex;flex-direction:column;gap:4px}
.submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:10px}

/* Chip lựa chọn */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;border:1.5px solid #D5DFEA;background:#fff;font-weight:500;font-size:14px;color:var(--ink-2);transition:.15s}
.chip-box span::before{content:"";width:16px;height:16px;border-radius:5px;border:1.5px solid #B8C6D4;background:#fff;flex:none;transition:.15s}
.chip:hover span{border-color:var(--sky-200);background:var(--sky-50)}
.chip input:checked+span{border-color:var(--sky-500);background:var(--sky-50);color:var(--sky-700);font-weight:600;box-shadow:0 2px 8px rgba(30,143,224,.16)}
.chip-box input:checked+span::before{background:var(--sky-500) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;border-color:var(--sky-500)}
.chip input:focus-visible+span{outline:3px solid rgba(59,167,238,.4);outline-offset:2px}

/* Tiến độ trả lời */
.progress{position:sticky;top:72px;z-index:20;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:999px;padding:8px 16px;margin-bottom:16px;box-shadow:var(--sh-2);font-size:14px}
.progress-bar{flex:1;height:10px;background:var(--sky-50);border-radius:999px;overflow:hidden}
.progress-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--sky-500),var(--or-500));transition:width .35s}
.progress span{white-space:nowrap;color:var(--ink-2)}
.progress b{color:var(--sky-700)}

/* Thẻ câu hỏi */
.qlist{display:grid;gap:16px}
.q{position:relative;margin:0;transition:box-shadow .2s,border-color .2s,transform .2s;border-left:4px solid var(--line)}
.q:hover{box-shadow:var(--sh-2)}
.q.answered{border-left-color:var(--sky-500)}
.q.missing{border-color:#F4C9CF;border-left-color:var(--red-500);box-shadow:0 0 0 4px rgba(215,38,61,.08)}
.q-head{display:flex;gap:14px;align-items:center;margin-bottom:8px}
.q-ic{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;flex:none;box-shadow:inset 0 -3px 0 rgba(0,0,0,.08)}
.q-ic .ic{width:28px;height:28px}
.ic-0{background:linear-gradient(135deg,var(--sky-50),var(--sky-100));color:var(--sky-600)}
.ic-1{background:linear-gradient(135deg,var(--or-50),var(--or-100));color:var(--or-600)}
.ic-2{background:linear-gradient(135deg,var(--brown-50),var(--brown-100));color:var(--brown-600)}
.ic-3{background:linear-gradient(135deg,var(--red-50),#FAD7DC);color:var(--red-500)}
.q-n{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brown-400)}
.q h4{font-size:18px;margin:0;color:var(--sky-900)}
.q-tx{color:var(--ink-2);font-size:15px;margin-bottom:14px}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.opt{position:relative;cursor:pointer}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt span{display:flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:10px;border-radius:14px;border:1.5px solid #D5DFEA;background:#fff;font-weight:600;font-size:15px;color:var(--ink-2);transition:.15s;text-align:center}
.opt:hover span{transform:translateY(-1px);box-shadow:var(--sh-1)}
.opt-dy input:checked+span{background:linear-gradient(135deg,var(--sky-500),var(--sky-700));border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(14,116,194,.3)}
.opt-kdy input:checked+span{background:linear-gradient(135deg,#E63B50,var(--red-600));border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(184,29,50,.3)}
.opt-khac input:checked+span{background:linear-gradient(135deg,var(--or-400),var(--or-600));border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(217,114,18,.3)}
.opt input:focus-visible+span{outline:3px solid rgba(59,167,238,.45);outline-offset:2px}
.note{margin-top:12px;display:none}
.q.show-note .note{display:block;animation:slide .25s ease}
@keyframes slide{from{opacity:0;transform:translateY(-4px)}}
.when-khac,.when-pkhac{display:none}
.show-khac .when-khac,.show-pkhac .when-pkhac{display:block}
.consent{display:flex;gap:12px;align-items:flex-start;background:var(--sky-50);border:1px solid var(--sky-100);border-radius:12px;padding:12px 14px;font-size:14px;color:var(--ink-2);cursor:pointer;margin:6px 0 4px}
.consent input{width:20px;height:20px;margin-top:2px;accent-color:var(--sky-600);flex:none}

/* Thông báo */
.alert{display:flex;gap:12px;align-items:flex-start;border-radius:12px;padding:12px 16px;margin-bottom:16px;font-size:15px}
.alert ul{margin:4px 0 0;padding-left:18px}
.alert .ic{margin-top:2px}
.alert-err{background:var(--red-50);color:#8A1526;border:1px solid #F4C9CF}
.alert-warn{background:var(--or-50);color:var(--brown-800);border:1px solid var(--or-100)}
.alert-warn .ic{color:var(--or-600)}
.alert .inline{display:inline-flex;margin-left:8px;vertical-align:middle}
.toasts{position:fixed;top:76px;right:16px;z-index:60;display:flex;flex-direction:column;gap:8px;max-width:min(420px,calc(100% - 32px))}
.toast{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-radius:12px;background:#fff;box-shadow:var(--sh-3);border-left:4px solid var(--sky-500);font-size:14px;animation:toast .35s ease}
.toast-ok .ic{color:var(--sky-600)}
.toast-err{border-left-color:var(--red-500)}.toast-err .ic{color:var(--red-500)}
@keyframes toast{from{opacity:0;transform:translateX(20px)}}

/* Màn hình cảm ơn */
.done{text-align:center;padding:40px 24px;background:radial-gradient(400px 200px at 50% 0,var(--sky-50),#fff)}
.done-art{display:inline-grid;place-items:center;width:84px;height:84px;border-radius:50%;background:linear-gradient(135deg,var(--sky-500),var(--sky-700));color:#fff;box-shadow:0 14px 30px rgba(14,116,194,.35);margin-bottom:14px;animation:pop .5s cubic-bezier(.2,1.6,.4,1)}
.done-art .ic{width:44px;height:44px;stroke-width:2.4}
.closed .done-art{background:linear-gradient(135deg,var(--or-400),var(--brown-600))}
@keyframes pop{from{transform:scale(.4);opacity:0}}
.done h2{color:var(--sky-900)}
.code{font-size:18px}
.code b{display:inline-block;background:var(--or-50);color:var(--or-600);border:1px dashed var(--or-400);padding:4px 14px;border-radius:10px;letter-spacing:.08em}

/* ---------- Đăng nhập ---------- */
.page-login{background:linear-gradient(160deg,#0A3F7A,#0E74C2 55%,#3BA7EE)}
.page-login .foot{background:rgba(10,52,99,.55);border-color:transparent}
.login-wrap{display:grid;grid-template-columns:1fr 440px;gap:40px;align-items:center;max-width:1100px;margin:0 auto;padding:40px 16px 60px;min-height:calc(100vh - 220px)}
.login-art img{max-width:520px;filter:drop-shadow(0 30px 40px rgba(5,30,60,.35))}
.login-card{padding:30px;box-shadow:var(--sh-3);border:0;border-radius:var(--r-lg)}
.login-head{display:flex;gap:14px;align-items:center;margin-bottom:18px}
.login-head .mark{width:56px;height:56px}
.login-head h1{font-size:26px;margin:0;color:var(--sky-900)}
.login-head p{margin:0;font-size:14px}
.input-ic{position:relative}
.input-ic>.ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted)}
.input-ic input{padding-left:42px}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;padding:8px;color:var(--muted);cursor:pointer;border-radius:8px}
.pw-toggle:hover{color:var(--sky-600);background:var(--sky-50)}
.login-help{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.login-help p{display:flex;gap:8px;align-items:flex-start;margin:0 0 6px}

/* ---------- Bảng điều khiển ---------- */
.dash-hero{position:relative;background:linear-gradient(120deg,var(--brown-800) 0%,var(--brown-600) 30%,var(--sky-700) 75%,var(--sky-500) 100%);color:#fff;padding:28px 0 26px;margin-bottom:24px;overflow:hidden}
.dash-hero::after{content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(247,161,69,.45),transparent 65%)}
.dash-hero.admin{background:linear-gradient(120deg,var(--sky-900) 0%,var(--sky-700) 45%,var(--brown-600) 100%);padding-bottom:0}
.dash-hero-in{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between}
.dash-hero h1{font-size:clamp(22px,3vw,30px);margin:4px 0}
.dash-hero p{margin:0;opacity:.9}
.dash-actions{display:flex;flex-wrap:wrap;gap:10px}
.back{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.85);font-size:14px;font-weight:600}
.back.dark{color:var(--sky-700);margin:18px 0 6px}
.dot-on,.dot-off{display:inline-block;width:9px;height:9px;border-radius:50%;background:#53E08C;box-shadow:0 0 0 4px rgba(83,224,140,.25);margin:0 4px 1px}
.dot-off{background:var(--or-400);box-shadow:0 0 0 4px rgba(247,161,69,.25)}
.tabs{position:relative;z-index:1;display:flex;gap:4px;margin-top:20px;overflow-x:auto;scrollbar-width:none}
.tabs a{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:14px 14px 0 0;color:rgba(255,255,255,.85);font-weight:600;white-space:nowrap;text-decoration:none}
.tabs a:hover{background:rgba(255,255,255,.12)}
.tabs a.on{background:var(--bg);color:var(--sky-700)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.stat{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--sh-1);position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;right:-30px;bottom:-30px;width:90px;height:90px;border-radius:50%;opacity:.08;background:currentColor}
.stat>.ic{width:46px;height:46px;padding:11px;border-radius:14px;color:#fff}
.stat b{display:block;font-size:26px;font-weight:800;line-height:1.1;color:var(--ink)}
.stat span{font-size:13px;color:var(--muted)}
.st-sky{color:var(--sky-500)}.st-sky>.ic{background:linear-gradient(135deg,var(--sky-400),var(--sky-600))}
.st-blue{color:var(--sky-700)}.st-blue>.ic{background:linear-gradient(135deg,var(--sky-600),var(--sky-900))}
.st-brown{color:var(--brown-600)}.st-brown>.ic{background:linear-gradient(135deg,var(--brown-400),var(--brown-600))}
.st-orange{color:var(--or-500)}.st-orange>.ic{background:linear-gradient(135deg,var(--or-400),var(--or-600))}
.st-red{color:var(--red-500)}.st-red>.ic{background:linear-gradient(135deg,#E63B50,var(--red-600))}
.two-col{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:18px;align-items:start}
.two-col.acc{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}
.side{display:flex;flex-direction:column;gap:0}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);margin-bottom:10px}
.legend span::before{content:"";display:inline-block;width:12px;height:12px;border-radius:4px;margin-right:6px;vertical-align:-1px}
.lg-dy::before{background:var(--sky-500)}.lg-kdy::before{background:var(--red-500)}.lg-khac::before{background:var(--or-500)}
.qres{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.qres-h{display:flex;justify-content:space-between;gap:10px;font-size:14px;font-weight:600;margin-bottom:4px}
.qres-h small{color:var(--muted);font-weight:500;white-space:nowrap}
.sbar{display:flex;height:22px;border-radius:8px;overflow:hidden;background:var(--sky-50)}
.sbar i{display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;color:#fff;transition:width .6s}
.sbar .s-dy{background:linear-gradient(180deg,var(--sky-400),var(--sky-600))}
.sbar .s-kdy{background:linear-gradient(180deg,#E63B50,var(--red-600))}
.sbar .s-khac{background:linear-gradient(180deg,var(--or-400),var(--or-600))}
.sbar.empty{align-items:center;padding:0 10px;font-size:12px;color:var(--muted)}
.bars{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.bars li{display:grid;grid-template-columns:1fr 34px;gap:2px 10px;align-items:center;font-size:13px}
.bars span{grid-column:1/-1;color:var(--ink-2)}
.bars i{display:block;height:8px;border-radius:999px;background:var(--sky-50);position:relative;overflow:hidden}
.bars i::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--w);background:linear-gradient(90deg,var(--sky-400),var(--sky-600));border-radius:999px}
.bars-or i::after{background:linear-gradient(90deg,var(--or-400),var(--brown-400))}
.bars b{text-align:right}
.share .copy{display:flex;gap:8px;margin-bottom:12px}
.share .copy input{font-size:13px;padding:8px 10px}
.qr{display:grid;place-items:center;padding:12px;background:#fff;border:1px dashed var(--sky-200);border-radius:12px;margin-bottom:10px;min-height:60px}
.qr svg,.qr img{width:170px!important;height:170px!important}
.qr svg path{fill:#0A3463}

/* Bảng */
.table-wrap{overflow-x:auto;margin:0 -6px;padding:0 6px}
.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.tbl th{position:sticky;top:0;text-align:left;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);background:var(--sky-50);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl th:first-child{border-radius:10px 0 0 10px}.tbl th:last-child{border-radius:0 10px 10px 0}
.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tbody tr:hover td{background:#FAFCFE}
.tbl .act{white-space:nowrap;text-align:right}
.tbl .act>*{margin-left:4px}
.row-off td{opacity:.6}
.inline{display:inline}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#EEF1F4;color:var(--ink-2);white-space:nowrap}
.p-sky{background:var(--sky-50);color:var(--sky-700)}.p-brown{background:var(--brown-50);color:var(--brown-600)}
.p-ok{background:#E3F4EA;color:#1D7A46}.p-red{background:var(--red-50);color:var(--red-600)}.p-orange{background:var(--or-50);color:var(--or-600)}
.mini{display:inline-grid;place-items:center;min-width:26px;height:22px;padding:0 6px;border-radius:7px;font-size:12px;font-weight:700;color:#fff;margin-right:3px}
.mini.dy{background:var(--sky-500)}.mini.kdy{background:var(--red-500)}.mini.khac{background:var(--or-500)}
.hbar{display:flex;align-items:center;gap:8px;min-width:120px}
.hbar i{height:10px;border-radius:999px;background:linear-gradient(90deg,var(--sky-400),var(--or-500));min-width:3px}
.empty-state{text-align:center;padding:30px 10px;color:var(--muted)}
.empty-state .ic{width:48px;height:48px;color:var(--sky-200)}
.search{position:relative;display:flex;align-items:center}
.search>.ic{position:absolute;left:12px;color:var(--muted)}
.search input{padding-left:38px;min-width:220px}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.filters select,.filters input{width:auto;flex:1 1 170px}
.pager{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.pager a{display:grid;place-items:center;min-width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-weight:600;color:var(--ink-2);text-decoration:none}
.pager a.on{background:var(--sky-600);border-color:var(--sky-600);color:#fff}
.hl-card{border-color:var(--sky-200);box-shadow:0 0 0 4px var(--sky-50),var(--sh-2)}
.log{list-style:none;margin:0;padding:0;font-size:13px;max-height:520px;overflow:auto}
.log li{padding:8px 0;border-bottom:1px dashed var(--line)}
.log small{color:var(--muted)}
.switch{display:flex;align-items:center;gap:12px;cursor:pointer;font-weight:600;margin-bottom:14px}
.switch input{position:absolute;opacity:0}
.sw{width:50px;height:28px;border-radius:999px;background:#CBD5E0;position:relative;transition:.2s;flex:none}
.sw::after{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.2);transition:.2s}
.switch input:checked+.sw{background:linear-gradient(135deg,var(--sky-500),var(--sky-700))}
.switch input:checked+.sw::after{left:25px}
.page-title{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:24px 0 18px}
.page-title h1{font-size:clamp(22px,3vw,28px);margin:0;color:var(--sky-900)}
.page-title p{margin:0}
.pt-ic{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--or-400),var(--red-500));color:#fff;box-shadow:0 10px 20px rgba(217,114,18,.3)}
.pt-ic .ic{width:26px;height:26px}
.pt-act{margin-left:auto;display:flex;flex-wrap:wrap;gap:10px}
.kv{display:grid;grid-template-columns:180px 1fr;gap:8px 16px;margin:0}
.kv dt{color:var(--muted);font-size:14px}.kv dd{margin:0;font-weight:500}
.ans{list-style:none;margin:0;padding:0}
.ans li{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line)}
.note-tx{margin:4px 0 0;font-size:14px;color:var(--brown-600);font-style:italic}

/* Mẫu 04 - trình soạn */
.editor summary{cursor:pointer;display:flex;gap:10px;align-items:center;flex-wrap:wrap;list-style:none}
.editor summary::-webkit-details-marker{display:none}
.editor summary .ic{color:var(--or-600)}
.editor[open] summary{margin-bottom:16px}
.sum-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sum-item{display:flex;flex-direction:column;gap:4px;font-weight:500;font-size:13px}
.sum-item textarea{font-size:14px;min-height:60px}

/* ---------- Bản in A4 ---------- */
.sheet-wrap{overflow-x:auto;padding:6px 16px 40px}
.sheet{width:210mm;min-height:297mm;margin:0 auto;background:#fff;padding:20mm 15mm 20mm 30mm;box-shadow:var(--sh-3);font-family:"Times New Roman",Times,serif;font-size:13pt;line-height:1.4;color:#000;border-radius:4px}
.sheet p{margin:0 0 6pt;text-align:justify}
.s-head{width:100%;border-collapse:collapse;text-align:center;font-size:12.5pt;line-height:1.3}
.s-head td{vertical-align:top;width:42%}.s-head td+td{width:58%}
.s-motto{font-size:13.5pt}
.s-rule{width:60px;border-top:1px solid #000;margin:3px auto 6px}
.s-rule.long{width:190px}.s-rule.mid{width:90px;margin-bottom:12pt}
.s-title{text-align:center;font-size:13.5pt;font-weight:700;margin:16pt 0 4pt;line-height:1.35}
.s-title span{font-size:13pt}
.s-opt{white-space:nowrap;margin-right:10px}
.sheet p.s-left{text-align:left}
.s-sec{margin-top:8pt!important}
.s-tbl{width:100%;border-collapse:collapse;font-size:12pt;margin:4pt 0 8pt}
.s-tbl th,.s-tbl td{border:1px solid #000;padding:3pt 5pt;vertical-align:top}
.s-tbl th{font-weight:700;text-align:center;vertical-align:middle}
.s-tbl .c{text-align:center}
.s-small{font-size:11pt}
.s-fill{min-height:18pt}
.s-sign{width:100%;margin-top:14pt;text-align:center;border-collapse:collapse}
.s-sign td{width:50%;vertical-align:top}
.s-name{margin-top:60pt;font-weight:700}
.s-note{margin-top:16pt!important;font-size:12pt}
.s-meta{font-size:9pt;color:#777;text-align:right!important;margin-top:10pt!important}

/* ---------- Chân trang ---------- */
.foot{background:linear-gradient(180deg,var(--sky-900),#072746);color:rgba(255,255,255,.85);margin-top:40px;font-size:14px;border-top:4px solid var(--or-500)}
.foot-in{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;padding-top:28px;padding-bottom:18px}
.foot-brand{display:flex;gap:12px;align-items:center}
.foot-brand .mark{width:46px;height:46px}
.foot-col{display:flex;gap:10px;align-items:flex-start}
.foot-col .ic{color:var(--or-400);margin-top:2px}
.foot-copy{border-top:1px solid rgba(255,255,255,.12);padding-top:12px;padding-bottom:16px;font-size:12px;opacity:.7}

/* ---------- Thích ứng thiết bị ---------- */
@media (max-width:1024px){
  .two-col,.two-col.acc{grid-template-columns:1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .login-wrap{grid-template-columns:1fr;max-width:480px}
  .login-art{display:none}
}
@media (max-width:820px){
  .hero-in{grid-template-columns:1fr;padding-top:28px;padding-bottom:84px;text-align:left}
  .hero-art{order:-1;max-width:320px;margin:0 auto}
  .steps{grid-template-columns:1fr;gap:10px;margin-top:-48px}
  .foot-in{grid-template-columns:1fr}
  .sum-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:15px}
  .topbar-in{min-height:58px}
  .brand-tx small{display:none}
  .brand .mark{width:36px;height:36px}
  .nav a{padding:8px 10px}
  .nav a span{display:none}
  .nav .btn-login span{display:inline}
  .nav .btn-login span{font-size:0}
  .nav .btn-login span::after{content:"Đăng nhập";font-size:13px}
  .hide-sm{display:none!important}
  .card{padding:16px;border-radius:14px}
  .grid2,.grid3,.grid4{grid-template-columns:1fr}
  .opts{grid-template-columns:1fr;gap:8px}
  .opt span{min-height:46px;justify-content:flex-start;padding-left:16px}
  .q-ic{width:44px;height:44px;border-radius:13px}
  .q h4{font-size:16px}
  .progress{top:64px;padding:6px 12px;font-size:13px}
  .hero-stats li{flex:1 1 30%;min-width:0;padding:8px 10px}
  .hero-stats b{font-size:18px}
  .hero-cta .btn{flex:1 1 100%}
  .kv{grid-template-columns:1fr}
  .kv dt{margin-top:6px}
  .search input{min-width:0}
  .card-head .search{width:100%}
  .pt-act{margin-left:0;width:100%}
  /* Bảng → thẻ */
  .tbl thead{display:none}
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl tr{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;padding:6px 4px;background:#fff}
  .tbl td{border:0;padding:5px 10px;display:flex;justify-content:space-between;gap:12px;text-align:right}
  .tbl td::before{content:attr(data-l);font-weight:600;color:var(--muted);text-align:left;font-size:13px}
  .tbl td.act{justify-content:flex-end;border-top:1px dashed var(--line);margin-top:4px;padding-top:8px}
  .tbl td.act::before{content:none}
  .toasts{top:66px;right:8px}
}

/* ---------- In ấn ---------- */
@page{size:A4;margin:18mm 15mm 18mm 28mm}
@media print{
  body{background:#fff}
  .topbar,.foot,.no-print,.toasts,.notice-bar,.skip{display:none!important}
  main{margin:0}
  .sheet-wrap{padding:0;overflow:visible}
  .sheet{box-shadow:none;border-radius:0;margin:0;width:auto;min-height:auto;padding:0}
  .s-tbl tr{page-break-inside:avoid}
  .s-sign{page-break-inside:avoid}
  body.print-qr *{visibility:hidden}
  body.print-qr .share,body.print-qr .share *{visibility:visible}
  body.print-qr .share{position:absolute;left:0;top:0;width:100%;border:0;box-shadow:none}
  body.print-qr .share .btn,body.print-qr .share .copy button{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
#form,#ds,#phieu{scroll-margin-top:84px}

/* =========================================================
   PHÂN HỆ XEM DỰ THẢO
   ========================================================= */
:root{--doc-fs:17px;--serif:"Noto Serif",Georgia,"Times New Roman",serif}
.read-progress{position:fixed;left:0;right:0;top:0;height:3px;z-index:50;pointer-events:none}
.read-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--or-500),var(--red-500));transition:width .1s}
.doc-hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,var(--brown-800) 0%,var(--brown-600) 28%,var(--sky-700) 70%,var(--sky-500) 100%)}
.doc-hero-bg{position:absolute;inset:0;background:radial-gradient(520px 260px at 80% 20%,rgba(247,161,69,.4),transparent 60%),radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);background-size:auto,22px 22px;pointer-events:none}
.doc-hero-in{position:relative;display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:center;padding-top:40px;padding-bottom:90px}
.doc-hero h1{font-size:clamp(26px,3.8vw,42px);font-weight:800;margin:14px 0 8px;letter-spacing:-.02em}
.doc-kicker{display:block;font-family:var(--serif);font-weight:700;font-size:.62em;letter-spacing:.32em;text-transform:uppercase;color:#FFD08A;margin-bottom:4px}
.doc-sub{font-family:var(--serif);font-style:italic;opacity:.9;margin-bottom:14px}
.doc-meta{list-style:none;padding:0;margin:0 0 6px;display:flex;flex-wrap:wrap;gap:8px}
.doc-meta li{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 14px;font-size:14px;backdrop-filter:blur(6px)}
.doc-meta b{font-size:17px}
.doc-meta .soft{background:transparent;border-color:transparent;opacity:.85}
.doc-paper{position:relative;background:#fff;border-radius:14px;padding:26px 24px 30px;box-shadow:0 30px 60px rgba(5,30,60,.35),0 0 0 8px rgba(255,255,255,.12);transform:rotate(3deg);max-width:300px;margin-left:auto;animation:float 7s ease-in-out infinite}
.doc-paper::before{content:"";position:absolute;inset:10px -10px -10px 10px;background:rgba(255,255,255,.35);border-radius:14px;z-index:-1;transform:rotate(-5deg)}
.dp-line{height:8px;border-radius:4px;background:#E7EDF3;margin:8px 0}
.dp-line.c{margin-left:auto;margin-right:auto}
.w40{width:40%}.w60{width:60%}.w70{width:70%}.w80{width:80%}
.dp-title{font-family:var(--serif);font-weight:700;color:var(--sky-900);text-align:center;letter-spacing:.2em;margin:12px 0 4px}
.dp-badge{display:inline-block;margin-top:12px;padding:3px 10px;border-radius:6px;font-size:11px;font-weight:700;color:#fff;background:var(--sky-600)}
.dp-badge.or{background:var(--or-500)}
.dp-stamp{position:absolute;right:14px;bottom:18px;border:3px solid var(--red-500);color:var(--red-500);font-weight:800;letter-spacing:.12em;padding:4px 10px;border-radius:6px;transform:rotate(-14deg);opacity:.85;font-size:15px}

.doc-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;align-items:start;margin-top:-40px;position:relative;z-index:2}
.toc{position:sticky;top:80px;max-height:calc(100vh - 96px)}
.toc-in{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-2);display:flex;flex-direction:column;max-height:calc(100vh - 96px);overflow:hidden}
.toc-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px 8px}
.toc-head b{display:flex;align-items:center;gap:8px;color:var(--sky-900)}
.toc-close{display:none;background:none;border:0;padding:6px;border-radius:8px;cursor:pointer;color:var(--muted)}
.toc-search{position:relative;margin:0 14px 8px}
.toc-search .ic{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted);width:18px;height:18px}
.toc-search input{padding:9px 10px 9px 36px;font-size:14px;border-radius:10px}
.search-nav{display:flex;align-items:center;gap:6px;margin:0 14px 8px;font-size:13px;color:var(--ink-2)}
.search-nav span{flex:1}
.search-nav button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--sky-700)}
.toc-list{overflow:auto;padding:0 8px 14px;scrollbar-width:thin}
.toc-list a{display:block;color:var(--ink-2);text-decoration:none;border-radius:8px;padding:6px 8px;font-size:13.5px;line-height:1.4}
.toc-list a:hover{background:var(--sky-50);color:var(--sky-700)}
.toc-list a.on{background:var(--sky-100);color:var(--sky-700);font-weight:600}
.toc-qd{display:flex!important;align-items:center;gap:8px;font-weight:600}
.toc-ch{margin-top:4px}
.toc-ch summary{list-style:none;cursor:pointer}
.toc-ch summary::-webkit-details-marker{display:none}
.toc-ch summary a{font-weight:700;color:var(--sky-900)}
.toc-n{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--brown-400);font-weight:700}
.toc-ch ul{list-style:none;margin:2px 0 6px;padding:0 0 0 10px;border-left:2px solid var(--sky-50);margin-left:8px}
.toc-ch li a span{color:var(--sky-600);font-weight:600}

.doc{min-width:0}
.doc-tools{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-bottom:12px}
.toc-open{display:none}
.fs{display:inline-flex;align-items:center;gap:4px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 4px 4px 12px;box-shadow:var(--sh-1);font-size:13px;color:var(--muted)}
.fs button{min-width:36px;height:32px;border:0;border-radius:8px;background:var(--sky-50);color:var(--sky-700);font-weight:700;cursor:pointer;font-family:var(--serif)}
.fs button:hover{background:var(--sky-100)}
.topic-card h2{font-size:17px}
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.topic{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none!important;transition:.15s;background:#fff}
.topic:hover{border-color:var(--sky-200);box-shadow:var(--sh-1);transform:translateY(-1px)}
.topic .q-ic{width:40px;height:40px;border-radius:12px}
.topic .q-ic .ic{width:22px;height:22px}
.topic b{display:block;font-size:14px;line-height:1.3}
.topic small{color:var(--muted);font-size:12px}
.qd summary{cursor:pointer;display:flex;align-items:center;gap:10px;flex-wrap:wrap;list-style:none}
.qd summary::-webkit-details-marker{display:none}
.qd summary .ic{color:var(--red-500)}
.qd[open] summary{margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.doc-title{text-align:center;margin:30px 0 22px;font-family:var(--serif)}
.doc-title p{margin:0}
.dt-1{font-size:30px;font-weight:700;letter-spacing:.3em;color:var(--red-600)}
.dt-2{font-size:20px;font-weight:700;color:var(--sky-900);letter-spacing:.04em}
.dt-3{font-style:italic;color:var(--muted);margin-top:6px!important}
.doc-title::after{content:"";display:block;width:120px;height:3px;margin:16px auto 0;border-radius:3px;background:linear-gradient(90deg,var(--sky-500),var(--or-500),var(--red-500))}
.chapter{margin:34px 0 10px;scroll-margin-top:80px}
.ch-head{display:flex;align-items:center;gap:16px;margin-bottom:16px;padding:16px 18px;border-radius:var(--r);background:linear-gradient(110deg,var(--sky-900),var(--sky-700) 60%,var(--sky-500));color:#fff;box-shadow:var(--sh-2);position:relative;overflow:hidden}
.ch-head::after{content:"";position:absolute;right:-40px;top:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(247,161,69,.45),transparent 65%)}
.ch-head h2{margin:0;font-size:clamp(17px,2.2vw,21px);letter-spacing:.02em;position:relative;z-index:1}
.ch-head h2 .muted{color:rgba(255,255,255,.8);font-size:.75em;font-weight:500;letter-spacing:0}
.ch-num{display:grid;place-items:center;min-width:64px;height:64px;padding:0 8px;border-radius:16px;background:#fff;color:var(--red-600);font-family:var(--serif);font-size:24px;font-weight:700;line-height:1;box-shadow:inset 0 -3px 0 rgba(0,0,0,.08);flex:none}
.ch-num small{display:block;font-family:var(--font);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--brown-400);margin-bottom:-14px}
.ch-num.or{color:var(--or-600)}
.appx .ch-head{background:linear-gradient(110deg,var(--brown-800),var(--brown-600) 55%,var(--or-500))}
.art{scroll-margin-top:84px;padding:22px 24px;transition:box-shadow .3s,border-color .3s}
.art.flash{border-color:var(--or-400);box-shadow:0 0 0 4px var(--or-100),var(--sh-2)}
.art-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:10px}
.art-num{flex:none;display:inline-block;margin-top:2px;padding:4px 10px;border-radius:8px;font-weight:700;font-size:13px;color:#fff;background:linear-gradient(135deg,var(--sky-500),var(--sky-700));white-space:nowrap}
.art-num.or{background:linear-gradient(135deg,var(--or-400),var(--or-600))}
.art-head h3{flex:1;margin:0;font-size:19px;color:var(--sky-900);line-height:1.35}
.art-link{flex:none;background:none;border:1px solid transparent;border-radius:8px;padding:6px;cursor:pointer;color:var(--muted)}
.art-link:hover{border-color:var(--line);color:var(--sky-600);background:var(--sky-50)}
.legal{font-family:var(--serif);font-size:var(--doc-fs);line-height:1.75;color:#1d2833}
.legal p{margin:0 0 .55em;text-align:justify;hyphens:auto}
.legal p.k{padding-left:0}
.legal p.d{padding-left:1.6em}
.legal p.g{padding-left:1.2em}
.legal p.c{text-align:center}
.legal p.r{text-align:right}
.legal strong{color:#0d1b2a}
.legal .xref{color:var(--sky-600);text-decoration:none;border-bottom:1px dashed var(--sky-200)}
.legal .xref:hover{background:var(--sky-50)}
.dt-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:10px 0 16px;font-size:.9em}
.dt-grid p{text-align:center!important;margin-bottom:.2em}
.dt-table-wrap{overflow-x:auto;margin:8px 0 14px;border-radius:12px;border:1px solid var(--line);box-shadow:var(--sh-1)}
.dt-table{width:100%;border-collapse:collapse;font-size:.88em;line-height:1.55;min-width:560px}
.dt-table th{background:var(--sky-50);color:var(--sky-900);font-family:var(--font);font-size:.9em;padding:10px;border-bottom:2px solid var(--sky-100);text-align:center}
.dt-table td{padding:10px;border-top:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top}
.dt-table td:last-child{border-right:0}
.dt-table tbody tr:nth-child(even) td{background:#FBFDFF}
.dt-table p{text-align:left;margin:0 0 .35em}
mark.hit{background:#FFE08A;color:inherit;border-radius:3px;padding:0 1px;box-shadow:0 0 0 1px #F7C54A}
mark.hit.cur{background:var(--or-400);color:#fff;box-shadow:0 0 0 2px var(--or-600)}
.art.nohit{display:none}
.rel{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.rel .ic{width:16px;height:16px;color:var(--or-600)}
.rel-chip{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--or-50);border:1px solid var(--or-100);color:var(--brown-600);font-weight:600;text-decoration:none!important}
.rel-chip:hover{background:var(--or-100)}
.cta-end{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:30px;background:linear-gradient(120deg,var(--or-50),#fff 60%,var(--sky-50));border-color:var(--or-100)}
.cta-end h2{color:var(--sky-900);margin-bottom:4px}
.cta-end p{margin:0;color:var(--ink-2)}
.doc-src{font-size:13px;margin:18px 0 0;display:flex;gap:6px;justify-content:center;align-items:center;flex-wrap:wrap}
.fab{position:fixed;right:16px;bottom:18px;z-index:45;display:flex;flex-direction:column;gap:10px}
.fab-btn{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:0;background:#fff;color:var(--sky-700);box-shadow:var(--sh-3);cursor:pointer;text-decoration:none!important}
.fab-btn.top .ic{transform:rotate(-90deg)}
.fab-btn.or{background:linear-gradient(135deg,var(--or-400),var(--or-600));color:#fff}
.fab-btn.toc-open{display:none}
.toc-backdrop{display:none}
.q-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;font-weight:600;color:var(--brown-600)}
.q-link .ic{width:16px;height:16px}
@media (max-width:1024px){
  .doc-layout{grid-template-columns:1fr;margin-top:-30px;z-index:auto}
  .toc{position:fixed;top:0;left:0;bottom:0;width:min(340px,88vw);max-height:none;z-index:70;transform:translateX(-105%);transition:transform .28s ease}
  .toc-in{height:100%;max-height:none;border-radius:0 18px 18px 0}
  body.toc-on .toc{transform:none}
  body.toc-on .toc-backdrop{display:block;position:fixed;inset:0;z-index:65;background:rgba(10,30,50,.45);backdrop-filter:blur(2px)}
  .toc-close{display:block}
  .toc-open,.fab-btn.toc-open{display:inline-flex}
  .doc-tools{justify-content:space-between}
  .doc-hero-in{grid-template-columns:1fr;padding-bottom:80px}
  .doc-paper{display:none}
}
@media (max-width:640px){
  :root{--doc-fs:16px}
  .art{padding:16px}
  .art-head{flex-wrap:wrap;gap:8px}
  .art-head h3{font-size:17px;flex-basis:100%;order:3}
  .art-link{margin-left:auto}
  .ch-head{padding:12px 14px;gap:12px}
  .ch-num{min-width:52px;height:52px;font-size:20px}
  .dt-grid{grid-template-columns:1fr}
  .legal p{text-align:left}
  .dt-1{font-size:24px}.dt-2{font-size:17px}
  .topics{grid-template-columns:1fr}
  .doc-hero .hero-cta .btn{flex:1 1 100%}
}
@media print{
  .page-draft .doc-hero,.page-draft .toc,.page-draft .fab,.page-draft .read-progress,.page-draft .rel,.page-draft .topic-card,.page-draft .art-link{display:none!important}
  .page-draft .doc-layout{display:block;margin:0}
  .page-draft .art,.page-draft .card{box-shadow:none;border:0;padding:0 0 6pt}
  .page-draft .qd{display:none!important}
  .page-draft .ch-head{flex-direction:column;gap:2pt;margin:14pt 0 8pt}
  .page-draft .ch-head h2{font-family:"Times New Roman",serif;font-size:13pt}
  .page-draft .ch-num{display:block;font-family:"Times New Roman",serif;font-size:13pt}
  .page-draft .ch-num small{display:inline;font-size:13pt;font-family:"Times New Roman",serif;text-transform:none;letter-spacing:0;color:#000;margin:0 4pt 0 0;font-weight:700}
  .page-draft .art-num{font-size:13pt;font-family:"Times New Roman",serif}
  .page-draft .art-head{gap:4pt;margin-bottom:4pt}
  .page-draft .art-head h3{font-family:"Times New Roman",serif}
  .page-draft .ch-head{background:none!important;color:#000;box-shadow:none;padding:0;justify-content:center;text-align:center}
  .page-draft .ch-head::after{display:none}
  .page-draft .ch-num{box-shadow:none;background:none;color:#000;min-width:0;height:auto}
  .page-draft .art-num{background:none;color:#000;padding:0}
  .page-draft .art-head h3{color:#000;font-size:13pt}
  .page-draft .legal{font-size:13pt;font-family:"Times New Roman",serif}
  .page-draft .xref{border:0;color:#000}
}

/* =========================================================
   PHÂN HỆ HƯỚNG DẪN
   ========================================================= */
.guide-hero{background:linear-gradient(135deg,var(--sky-900) 0%,var(--sky-700) 45%,var(--brown-600) 85%,var(--or-500) 100%)}
.guide-hero .doc-hero-in{grid-template-columns:1.3fr .7fr}
.guide-badges{display:grid;gap:12px}
.gb{display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;column-gap:12px;align-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:16px;padding:12px 16px;backdrop-filter:blur(8px);box-shadow:0 10px 24px rgba(5,30,60,.18)}
.gb .ic{grid-row:1/3;width:44px;height:44px;padding:10px;border-radius:12px;background:#fff;color:var(--sky-700)}
.gb2 .ic{color:var(--red-500)}.gb3 .ic{color:var(--or-600)}
.gb b{font-size:20px;line-height:1.1}.gb span{font-size:13px;opacity:.85}
.gb1{transform:translateX(-18px)}.gb3{transform:translateX(-10px)}
.guide-nav{position:sticky;top:72px;z-index:20;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin-top:-34px;margin-bottom:10px;padding-top:4px;padding-bottom:8px}
.guide-nav a{flex:none;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);color:var(--ink-2);font-weight:600;font-size:14px;text-decoration:none!important;white-space:nowrap}
.guide-nav a:hover{color:var(--sky-700);border-color:var(--sky-200)}
.guide-nav a .ic{color:var(--or-600);width:18px;height:18px}
.g-sec{padding-top:26px;scroll-margin-top:130px}
.g-title{display:flex;gap:16px;align-items:center;margin-bottom:18px}
.g-title small{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brown-400)}
.g-title h2{font-size:clamp(20px,2.6vw,26px);color:var(--sky-900);margin:2px 0}
.g-title p{margin:0}
.g-badge{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;color:#fff;flex:none;box-shadow:0 10px 20px rgba(10,52,99,.2)}
.g-badge .ic{width:28px;height:28px}
.g-badge.sky{background:linear-gradient(135deg,var(--sky-400),var(--sky-700))}
.g-badge.brown{background:linear-gradient(135deg,var(--brown-400),var(--brown-800))}
.g-badge.orange{background:linear-gradient(135deg,var(--or-400),var(--or-600))}
.g-badge.red{background:linear-gradient(135deg,#E63B50,var(--red-600))}
.gsteps{list-style:none;margin:0;padding:0;position:relative}
.gsteps::before{content:"";position:absolute;left:21px;top:10px;bottom:30px;width:3px;border-radius:3px;background:linear-gradient(var(--sky-200),var(--or-100))}
.gstep{position:relative;padding-left:62px;margin-bottom:14px}
.gs-n{position:absolute;left:0;top:14px;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#fff;border:3px solid var(--sky-500);color:var(--sky-700);font-weight:800;font-size:18px;box-shadow:var(--sh-2);z-index:1}
.gs-card{display:grid;grid-template-columns:1fr 240px;gap:4px 22px;align-items:start;margin:0}
.gs-head{grid-column:1/-1;display:flex;align-items:center;gap:10px}
.gs-head h3{margin:0;font-size:17px;color:var(--sky-900)}
.gs-ic{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--or-50);color:var(--or-600);flex:none}
.gs-ic .ic{width:18px;height:18px}
.gs-body{font-size:15px;color:var(--ink-2)}
.gs-body ul{margin:4px 0 8px;padding-left:20px}
.gs-body li{margin-bottom:3px}
.gs-card:not(:has(.mock)) .gs-body{grid-column:1/-1}
.t-sky{color:var(--sky-600)}.t-red{color:var(--red-500)}.t-or{color:var(--or-600)}
.g-tbl{border-collapse:collapse;font-size:14px;margin:6px 0;min-width:260px}
.g-tbl th,.g-tbl td{padding:6px 12px;border-bottom:1px solid var(--line);text-align:left}
.g-tbl th{background:var(--sky-50);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.mock{align-self:center;background:linear-gradient(160deg,var(--sky-50),#fff);border:1px dashed var(--sky-200);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:8px;font-size:13px}
.mk-url,.mk-select,.mk-search,.mk-in{display:flex;align-items:center;gap:6px;background:#fff;border:1.5px solid #D5DFEA;border-radius:10px;padding:8px 10px;color:var(--ink-2)}
.mk-url{color:var(--sky-700);font-weight:600}
.mk-select{justify-content:space-between;font-weight:600}
.mk-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.mk-pill,.mk-chip,.mk-tag{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;color:var(--ink-2)}
.mk-pill.on,.mk-chip.on{background:var(--sky-50);border-color:var(--sky-400);color:var(--sky-700)}
.mk-search{flex:1;min-width:110px}
.mk-progress{height:8px;border-radius:999px;background:#fff;overflow:hidden;border:1px solid var(--line)}
.mk-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--sky-500),var(--or-500))}
.mk-opts{display:grid;gap:6px}
.mk-opt{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:10px;background:#fff;border:1.5px solid #D5DFEA;font-weight:600;color:var(--ink-2)}
.mk-opt.dy{background:linear-gradient(135deg,var(--sky-500),var(--sky-700));color:#fff;border-color:transparent}
.mk-done{display:flex;align-items:center;gap:10px;background:#fff;border-radius:12px;padding:10px;border:1px solid var(--line)}
.mk-done>.ic{width:34px;height:34px;padding:7px;border-radius:50%;background:linear-gradient(135deg,var(--sky-500),var(--sky-700));color:#fff}
.mk-done b{color:var(--or-600);letter-spacing:.05em}
.mk-login{display:grid;gap:6px}
.mk-btn{text-align:center;padding:8px;border-radius:10px;background:linear-gradient(135deg,var(--sky-500),var(--sky-700));color:#fff;font-weight:700}
.mk-warn{display:flex;gap:6px;align-items:center;padding:8px 10px;border-radius:10px;background:var(--or-50);border:1px solid var(--or-100);color:var(--brown-800)}
.mk-qr{display:grid;grid-template-columns:repeat(5,1fr);gap:3px;width:110px;margin:0 auto;padding:8px;background:#fff;border-radius:10px;border:1px solid var(--line)}
.mk-qr i{aspect-ratio:1;background:var(--sky-900);border-radius:2px}
.mk-qr i:nth-child(3n+2),.mk-qr i:nth-child(7){background:#fff}
.mk-bar{display:flex;height:14px;border-radius:6px;overflow:hidden}
.mk-bar .a{background:var(--sky-500)}.mk-bar .b{background:var(--red-500)}.mk-bar .c{background:var(--or-500)}
.mk-tag.brown{background:var(--brown-50);color:var(--brown-600)}.mk-tag.sky{background:var(--sky-50);color:var(--sky-700)}
.mk-tag.ok{background:#E3F4EA;color:#1D7A46}.mk-tag.red{background:var(--red-50);color:var(--red-600)}
.mk-form,.mk-paper{display:grid;gap:7px;background:#fff;border-radius:10px;padding:12px;border:1px solid var(--line)}
.mk-form span,.mk-paper span{height:9px;border-radius:5px;background:#E7EDF3}
.mk-form .w60,.mk-paper .w60{width:60%}
.mk-paper{font-family:var(--serif);font-size:10px;text-align:center;color:var(--sky-900);box-shadow:var(--sh-1)}
.mk-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #9AA9B8}
.mk-grid i{height:12px;border:.5px solid #C9D3DD}
.g-note{display:flex;gap:12px;align-items:flex-start;background:var(--or-50);border:1px solid var(--or-100);border-radius:14px;padding:14px 16px;color:var(--brown-800);margin:6px 0 18px}
.g-note>.ic{color:var(--or-600);margin-top:2px}
.faq{display:grid;gap:10px}
.faq details{margin:0;padding:14px 18px}
.faq summary{cursor:pointer;font-weight:600;color:var(--sky-900);display:flex;gap:10px;align-items:center;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ic{color:var(--or-600)}
.faq details[open] summary{margin-bottom:8px}
.faq details p{margin:0;color:var(--ink-2)}
.g-contact{display:flex;gap:16px;align-items:center;margin-top:18px;background:linear-gradient(120deg,var(--sky-50),#fff)}
.g-contact p{margin:2px 0 0;color:var(--ink-2)}
@media (max-width:820px){
  .guide-hero .doc-hero-in{grid-template-columns:1fr}
  .guide-badges{grid-template-columns:repeat(3,1fr);gap:8px}
  .gb{grid-template-columns:1fr;text-align:center;padding:10px}
  .gb .ic{grid-row:auto;margin:0 auto 6px;width:38px;height:38px;padding:8px}
  .gb b{font-size:15px}.gb span{font-size:11px}
  .gb1,.gb3{transform:none}
  .gs-card{grid-template-columns:1fr}
  .mock{max-width:320px}
}
@media (max-width:640px){
  .guide-nav{top:62px}
  .gstep{padding-left:0}
  .gsteps::before{display:none}
  .gs-n{position:static;width:34px;height:34px;font-size:15px;margin-bottom:-14px;margin-left:14px;border-width:2px}
  .g-badge{width:48px;height:48px;border-radius:14px}
}
@media print{
  .page-guide .doc-hero,.page-guide .guide-nav{display:none!important}
  .page-guide .gs-card,.page-guide .faq details{box-shadow:none;break-inside:avoid}
  .page-guide .faq details{display:block}
  .page-guide .mock{display:none}
  .page-guide .gs-card{grid-template-columns:1fr}
}