/* Trang đăng nhập / đăng ký và trang quản trị. Dùng chung màu và phông với trang chính. */
:root{--ink:#142127;--muted:#5e6a74;--line:#e0e6ef;--control:#d2dae5;--pale:#e9f3fa;--paper:#f9fbff;--bg:#eef3f9;--teal:#0f8a7e;--orange-soft:#fff0e2;--mint-soft:#eaf9f3;--sky-soft:#e7f6ff}
body.auth-page,body.admin-page{margin:0;min-height:100vh;background:radial-gradient(1200px 600px at 10% -10%,#d9f2ee 0,transparent 60%),radial-gradient(900px 500px at 110% 110%,#dbeefb 0,transparent 55%),var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif}
.auth-shell{max-width:1040px;margin:0 auto;min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:56px;padding:40px 24px;box-sizing:border-box}
.auth-brand,.admin-brand{display:inline-flex;align-items:center;gap:14px;text-decoration:none;color:inherit}
.brand-mark{flex:none;width:52px;height:52px;border-radius:16px;display:block;box-shadow:0 10px 22px -10px #0c6b8f}
.brand-mark svg{width:100%;height:100%;display:block}
.wordmark{display:block;font-size:30px;line-height:1;font-weight:700;letter-spacing:-1.5px}
.wordmark>span{color:var(--teal)}
.brand-caption{display:block;padding-top:5px;font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.auth-intro h1{font-size:clamp(28px,3.4vw,40px);line-height:1.15;letter-spacing:-.8px;margin:36px 0 14px;font-weight:600}
.auth-intro p{color:var(--muted);font-size:15px;line-height:1.6;max-width:440px;margin:0}
.auth-points{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:12px}
.auth-points li{display:flex;align-items:center;gap:12px;font-size:14px}
.auth-points li span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--teal);font-weight:600;font-size:13px;box-shadow:0 0 0 1px var(--line)}
.auth-card{background:#fff;border-radius:28px;padding:30px;box-shadow:0 1px 0 var(--line),0 30px 60px -36px #142127}
.auth-tabs{display:flex;gap:6px;padding:5px;background:var(--bg);border-radius:999px;margin-bottom:22px}
.auth-tabs button{flex:1;border:0;background:transparent;border-radius:999px;min-height:42px;font:inherit;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer}
.auth-tabs button[aria-selected=true]{background:#fff;color:var(--ink);box-shadow:0 2px 8px -3px #14212755}
.auth-form{display:flex;flex-direction:column}
.auth-form label{font-size:13px;color:var(--muted);margin:14px 0 6px}
.auth-form label:first-child{margin-top:0}
.auth-form label small{font-size:12px;opacity:.8}
.auth-form input,.auth-form textarea{font:inherit;font-size:15px;color:var(--ink);border:1px solid var(--control);border-radius:14px;padding:12px 14px;background:var(--paper);min-height:48px;box-sizing:border-box;width:100%}
.auth-form textarea{resize:vertical;min-height:64px}
.auth-form input:focus,.auth-form textarea:focus{outline:2px solid var(--teal);outline-offset:1px;background:#fff}
.password-field{position:relative}
.password-field input{padding-right:64px}
.show-password{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:transparent;font:inherit;font-size:12px;color:var(--muted);padding:8px 10px;border-radius:10px;cursor:pointer}
.show-password:hover{background:var(--pale)}
.auth-submit{margin-top:22px;min-height:52px;border:0;border-radius:999px;background:var(--ink);color:#fff;font:inherit;font-size:15px;font-weight:600;cursor:pointer}
.auth-submit:hover:not(:disabled){background:#29434b}
.auth-submit:disabled{opacity:.6;cursor:progress}
.auth-switch{text-align:center;font-size:13px;color:var(--muted);margin:16px 0 0}
.link-button{border:0;background:transparent;padding:0;font:inherit;font-weight:600;color:#1d6fa3;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.auth-message{border-radius:14px;padding:12px 14px;font-size:14px;margin-bottom:16px;background:var(--sky-soft);color:#24506b}
.auth-message[data-kind=error]{background:#fde9e7;color:#9b2c20}
.auth-message[data-kind=success]{background:var(--mint-soft);color:#1b7050}
@media(max-width:820px){
  .auth-shell{grid-template-columns:1fr;gap:24px;padding:24px 16px;align-content:start}
  .auth-intro h1{margin-top:24px;font-size:26px}
  .auth-points{display:none}
  .auth-card{padding:22px;border-radius:22px}
}

/* ---------- Trang quản trị ---------- */
.admin-shell{max-width:1100px;margin:0 auto;padding:28px 24px 48px}
.admin-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.admin-top a.back{font-size:14px;color:var(--ink);text-decoration:none;border:1px solid var(--control);border-radius:999px;padding:9px 16px;background:#fff}
.admin-shell h1{font-size:28px;margin:0 0 6px;font-weight:600}
.admin-shell .lead{color:var(--muted);margin:0 0 20px;font-size:14px}
.admin-filter{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.admin-filter button{border:1px solid var(--control);background:#fff;border-radius:999px;padding:8px 14px;font:inherit;font-size:13px;cursor:pointer}
.admin-filter button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.user-list{display:grid;gap:10px}
.user-row{background:#fff;border-radius:20px;padding:16px 18px;display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center;box-shadow:0 1px 0 var(--line)}
.user-row h3{margin:0;font-size:15px;font-weight:600}
.user-row p{margin:3px 0 0;font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.user-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.user-actions button{border:1px solid var(--control);background:#fff;border-radius:999px;padding:8px 14px;font:inherit;font-size:12px;cursor:pointer;min-height:36px}
.user-actions .approve{background:var(--teal);border-color:var(--teal);color:#fff}
.user-actions .danger{color:#9b2c20;border-color:#efc2bc}
.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:middle;font-weight:500}
.tag.pending{background:var(--orange-soft);color:#9a4d10}
.tag.approved{background:var(--mint-soft);color:#1b7050}
.tag.disabled{background:#eef1f6;color:#58646f}
.tag.admin{background:var(--sky-soft);color:#24506b}
.empty{background:#fff;border-radius:20px;padding:28px;text-align:center;color:var(--muted)}
@media(max-width:640px){.user-row{grid-template-columns:1fr}.user-actions{justify-content:flex-start}}

/* Phông Be Vietnam Pro, chữ phụ đậm màu hơn cho dễ đọc */
:root{--muted:#666b73}
body.auth-page,body.admin-page,.auth-page button,.auth-page input,.auth-page textarea,.admin-page button,.admin-page input,.admin-page select{font-family:'Be Vietnam Pro',system-ui,sans-serif}
.auth-form label,.user-row p,.brand-caption{font-size:13.5px}

/* ---------- Quản trị: chuyển mục và nạp dữ liệu ---------- */
.admin-tabs{display:flex;gap:6px;padding:5px;background:#fff;border-radius:999px;width:fit-content;margin-bottom:26px;box-shadow:0 1px 0 var(--line)}
.admin-tabs button{border:0;background:transparent;border-radius:999px;padding:10px 20px;font:inherit;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer}
.admin-tabs button[aria-selected=true]{background:#111;color:#fff}
.admin-shell h2{font-size:18px;margin:0 0 12px}
.import-card{background:#fff;border-radius:20px;padding:22px;box-shadow:0 1px 0 var(--line);display:grid;gap:16px}
.drop{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:30px 16px;border:2px dashed #d9d9d9;border-radius:16px;background:#fafafa;cursor:pointer;text-align:center}
.drop:hover,.drop.over{border-color:#fcb800;background:#fffbea}
.drop svg{width:30px;height:30px;fill:none;stroke:#e5a700;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.drop strong{font-size:15px}.drop span{font-size:13px;color:var(--muted)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.file-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.file-list:empty{display:none}
.file-list li{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;background:#f6f6f6;border-radius:12px;font-size:14px}
.file-list em{font-style:normal;color:var(--muted)}
.import-row{display:grid;grid-template-columns:auto 180px 1fr;align-items:center;gap:8px 14px}
.import-row label{font-size:14px;font-weight:500}
.import-row input{font:inherit;font-size:15px;border:1px solid var(--control);border-radius:12px;padding:10px 12px}
.import-row small{font-size:13px;color:var(--muted)}
.primary-btn{justify-self:start;border:0;border-radius:999px;background:#fcb800;color:#111;font:inherit;font-weight:600;font-size:15px;padding:12px 26px;cursor:pointer;min-height:46px}
.primary-btn:hover:not(:disabled){background:#e5a700}
.primary-btn:disabled{opacity:.5;cursor:not-allowed}
#import-status{margin-top:16px}
.import-preview{background:#fff;border-radius:20px;padding:22px;margin-top:16px;box-shadow:0 1px 0 var(--line)}
.admin-table{width:100%;border-collapse:collapse;font-size:14px;margin-bottom:18px}
.admin-table th{text-align:left;font-weight:500;color:var(--muted);font-size:13px;padding:8px 10px;border-bottom:1px solid var(--line)}
.admin-table td{padding:10px;border-bottom:1px solid #f0f0f0}
.admin-table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.admin-table em{font-style:normal;color:var(--muted)}
.admin-table .muted{color:var(--muted)}
.admin-table .up{color:#1b7050}.admin-table .down{color:#b45309}
.diff-line{font-size:14px;margin:0 0 12px}
.issue-list{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:6px}
.issue-list li{font-size:14px;padding:9px 12px;border-radius:10px;background:#f6f6f6}
.issue-list li.error{background:#fde9e7;color:#9b2c20}
.issue-list li.warn{background:#fff0e2;color:#9a4d10}
.issue-list li.ok{background:#eef5e3;color:#4d7a0a}
.check{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:14px}
.apply-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.progress{flex:1;min-width:160px;height:8px;border-radius:999px;background:#f1f1f1;overflow:hidden}
.progress span{display:block;height:100%;width:0;background:#fcb800;transition:width .2s}
.versions-title{margin-top:30px!important}
@media(max-width:640px){.import-row{grid-template-columns:1fr}.admin-table{font-size:13px}}

/* ---------- Đồng bộ màu với trang chính (vàng – xám) ---------- */
:root{--teal:#e5a700;--bg:#f1f1f1;--line:#ececec;--control:#dedede;--pale:#fff7dc;--paper:#fafafa;--sky-soft:#fdf6e3;--mint-soft:#eef5e3}
body.auth-page,body.admin-page{background:radial-gradient(900px 500px at 0% -10%,#fff3c4 0,transparent 55%),radial-gradient(800px 500px at 110% 110%,#fbebe3 0,transparent 55%),#f1f1f1;color:#1f1f1f}
.wordmark>span{color:#e5a700}
.brand-mark{box-shadow:0 10px 22px -12px #b07a00}
.auth-points li span{color:#b07a00}
.auth-form input:focus,.auth-form textarea:focus{outline-color:#fcb800}
.auth-submit{background:#fcb800;color:#111}
.auth-submit:hover:not(:disabled){background:#e5a700}
.link-button{color:#b07a00}
.auth-message{background:#fdf6e3;color:#5c4700}
.user-actions .approve{background:#fcb800;border-color:#fcb800;color:#111;font-weight:600}
.admin-filter button[aria-pressed=true]{background:#111;border-color:#111}
.tag.admin{background:#fff3c4;color:#6b5100}
.admin-top a.back:hover{border-color:#fcb800;background:#fffbea}