:root{--red:#e91645;--red2:#ff4266;--ink:#071b42;--muted:#62708a;--line:#ffc4cf;--soft:#fff4f6;--green:#0f9f61}*{box-sizing:border-box}body{margin:0;font-family:'Be Vietnam Pro','Segoe UI',Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff 0,#fff5f7 100%);min-height:100vh}.hidden{display:none!important}.top{background:linear-gradient(135deg,#d90b32,#ff4569);color:#fff;padding:22px 28px 34px;position:relative}.top .actions{position:absolute;right:22px;top:18px;display:flex;gap:10px;align-items:center}.logo{width:64px;height:64px;border-radius:50%;background:#fff;object-fit:contain}.brand{max-width:1100px;margin:auto;text-align:center}.brand h1{font-size:32px;text-transform:uppercase;margin:12px 0 0;font-weight:900;line-height:1.15}.brand .unit{font-weight:900}.btn{border:0;border-radius:14px;padding:12px 18px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn-primary{background:var(--red);color:#fff}.btn-light{background:#fff;color:var(--red);border:1px solid var(--line)}.btn-green{background:var(--green);color:#fff}.small{padding:8px 12px;font-size:13px}.container{max-width:1180px;margin:28px auto;padding:0 18px}.card{background:white;border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:20px;box-shadow:0 16px 40px rgba(10,24,60,.06)}.login-card{max-width:460px;margin:42px auto}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.field{margin-bottom:14px}.label{font-weight:900;font-size:13px;text-transform:uppercase;margin-bottom:6px;display:block}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:13px;padding:12px 14px;font:inherit;background:#fff}textarea{min-height:110px}.hint{font-size:13px;color:var(--muted);font-style:italic}.msg{font-weight:800;margin-top:12px;white-space:pre-wrap}.err{color:#c71134}.ok{color:var(--green)}.draft-card{border:1px solid var(--line);border-radius:18px;padding:18px;cursor:pointer;background:#fffdfd;transition:.15s}.draft-card:hover,.draft-card.selected{border-color:#ff9aad;box-shadow:0 10px 30px rgba(233,22,69,.1)}.pill{border-radius:999px;padding:6px 10px;background:#fff1c7;color:#956600;font-weight:900;font-size:12px;display:inline-block}.form-preview{background:#fffefc;border:1px solid #ffd480;border-radius:20px;padding:24px}.form-title{text-align:center;font-weight:900;font-size:24px}.sub-title{text-align:center;font-style:italic}.readonly{background:#f7f8fb}.radio-row{display:flex;gap:16px;flex-wrap:wrap}.radio-row label{width:auto;display:flex;align-items:center;gap:8px;font-weight:800}.radio-row input{width:auto}.signature-box{text-align:center;margin-top:26px;margin-left:auto;width:260px}.signature-box img{max-width:180px;max-height:80px;object-fit:contain}.admin-head{height:78px;background:#fff;border-bottom:1px solid #eee;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.admin-brand{display:flex;align-items:center;gap:12px;font-weight:900}.admin-brand img{width:54px;height:54px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.tab{background:#fff;color:var(--red);border:1px solid var(--line);border-radius:999px;padding:10px 18px;font-weight:900;cursor:pointer}.tab.active{background:var(--red);color:#fff}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:900px}.table th{background:#fff3f5;color:#af0d2f;text-transform:uppercase;font-size:12px;text-align:left}.table th,.table td{padding:12px;border-bottom:1px solid #ffdbe2;vertical-align:top}.admin-grid{display:grid;grid-template-columns:420px 1fr;gap:22px}.toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.status-open{background:#dcfce7;color:#087a35}.status-closed{background:#eef2f7;color:#475569}.success-box{background:#ebfff4;border:1px solid #8ce0b2;border-radius:18px;padding:18px}.danger{color:#c71134;font-weight:900}@media(max-width:900px){.grid2,.grid3,.admin-grid{grid-template-columns:1fr}.brand h1{font-size:24px}.top .actions{position:static;justify-content:center;margin-bottom:12px}.admin-head{height:auto;gap:10px;flex-direction:column;padding:14px}.container{margin:16px auto}.signature-box{margin:auto}}

/* V41 - giao diện quản trị rộng, biểu mẫu đẹp và ô mật khẩu có mắt */
.admin-container{width:calc(100% - 56px);max-width:1760px;margin:24px auto;padding:0 8px}.admin-grid-wide{grid-template-columns:minmax(440px,520px) minmax(760px,1fr);align-items:start}.admin-grid{grid-template-columns:minmax(420px,520px) minmax(760px,1fr);align-items:start}.admin-container .card{padding:28px;border-radius:22px}.admin-container .table{min-width:1180px}.title-col{min-width:260px}.file-line{margin:0 0 8px;font-weight:800}.password-wrap{display:flex;align-items:center;gap:8px}.password-wrap input{flex:1}.eye-btn{width:46px;min-width:46px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--red);cursor:pointer;font-weight:900;padding:10px}.login-card-polished{max-width:520px}.login-card-polished h2{text-align:center;font-size:26px;letter-spacing:.4px;color:var(--ink)}.change-pass-box{margin-top:18px;border-top:1px dashed var(--line);padding-top:16px}.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.party-form{font-family:'Times New Roman',Times,serif;font-size:14pt;line-height:1.35;color:#000;max-width:820px;margin:0 auto 24px}.party-form input,.party-form textarea,.party-form select{font-family:'Times New Roman',Times,serif;font-size:14pt}.party-form .form-title{font-family:'Times New Roman',Times,serif;font-size:16pt}.party-form .label{font-family:'Times New Roman',Times,serif;font-size:14pt;text-transform:none;color:#000}.user-container{max-width:1180px}.user-top{padding-top:22px;padding-bottom:32px}.draft-files a{font-weight:800;color:var(--red)}@media(min-width:1280px){.container.user-container{max-width:1180px}.brand h1{font-size:30px}.admin-head{position:sticky;top:0;z-index:10}.admin-container{margin-top:22px}}@media(max-width:1100px){.admin-grid,.admin-grid-wide{grid-template-columns:1fr}.admin-container{width:calc(100% - 24px)}}


/* V43 - mở rộng màn hình quản trị và tránh giao diện bị bó giữa */
.admin-container{
  width:calc(100vw - 36px)!important;
  max-width:none!important;
  margin:18px auto!important;
  padding:0 10px!important;
}
.admin-grid,.admin-grid-wide{
  display:grid!important;
  grid-template-columns:minmax(520px,660px) minmax(920px,1fr)!important;
  gap:26px!important;
  align-items:start!important;
}
.admin-container .card{padding:30px!important;border-radius:22px!important;}
.admin-container .table{min-width:1320px!important;font-size:14px!important;}
.admin-container .table th,.admin-container .table td{padding:14px 16px!important;}
.admin-container input,.admin-container select,.admin-container textarea{font-size:15px!important;}
.admin-container textarea#draftTitle{min-height:150px!important;font-size:16px!important;line-height:1.45!important;}
.title-col{min-width:360px!important;}
.file-line{font-size:14px!important;line-height:1.35!important;}
#draftMsg{font-size:14px!important;line-height:1.45!important;}
@media(max-width:1180px){.admin-grid,.admin-grid-wide{grid-template-columns:1fr!important}.admin-container{width:calc(100vw - 20px)!important}}

/* V43 - giao diện người dùng mở dạng web bình thường */
body.normal-view .container{max-width:1180px!important;}
body.normal-view .top{min-height:auto!important;}

/* V45 - hộp thông báo góp ý thành công */
.modal-overlay{position:fixed;inset:0;background:rgba(7,27,66,.46);display:flex;align-items:center;justify-content:center;z-index:9999;padding:18px}
.modal-card{width:min(620px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 24px 70px rgba(7,27,66,.22);padding:28px;position:relative;animation:modalPop .16s ease-out}
.modal-close{position:absolute;right:14px;top:12px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--red);font-size:24px;font-weight:900;cursor:pointer}
.success-check{width:58px;height:58px;border-radius:50%;background:#dcfce7;color:#078241;display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:900;margin:0 auto 10px}
.modal-card h2{text-align:center;margin:0 0 18px;color:var(--green);font-size:24px;text-transform:uppercase}.success-info p{margin:8px 0;font-size:15px;line-height:1.45}.modal-actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 8px}.modal-actions .btn{padding:10px 14px}.success-box{line-height:1.6}@keyframes modalPop{from{transform:translateY(10px) scale(.98);opacity:.5}to{transform:none;opacity:1}}


/* V46 - nút quản trị tách khỏi giao diện người dùng */
.user-top .actions a[href*="admin.html"]{display:none!important}
.floating-admin-btn{position:fixed;right:18px;bottom:18px;z-index:999;background:#fff;border:1px solid #ffc4cf;color:#e91645;border-radius:999px;padding:9px 12px;font-size:12px;font-weight:900;text-decoration:none;box-shadow:0 12px 32px rgba(7,27,66,.15);opacity:.88;transition:.15s}
.floating-admin-btn:hover{opacity:1;transform:translateY(-1px)}
.warning-icon{width:58px;height:58px;border-radius:50%;background:#fff3cd;color:#9a6500;display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:900;margin:0 auto 10px}.warn-title{color:#b45309!important}.danger{color:#c71134;font-weight:900}.modal-actions .btn-green{background:#0f9f61;color:#fff}.signature-box .danger{font-size:13px}
@media(max-width:720px){.floating-admin-btn{right:12px;bottom:12px;font-size:11px;padding:8px 10px}}


/* V47 - trình xử lý chữ ký trực quan */
.signature-editor h2{margin:0 0 8px;text-align:center;color:var(--red);font-size:24px;text-transform:uppercase}
.sig-canvas-wrap{background:#f8fafc;border:1px solid #dbe4f0;border-radius:18px;padding:12px;display:flex;justify-content:center;align-items:center;min-height:220px;overflow:auto}
#sigCanvas{max-width:100%;height:auto;border-radius:12px;background:#fff;box-shadow:inset 0 0 0 1px #eef2f7;cursor:move;touch-action:none}
.sig-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0}
.sig-tools label{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:13px}
.sig-tools input[type=range]{width:150px;accent-color:var(--red)}
.sig-preview-row{display:flex;justify-content:space-between;gap:16px;align-items:center;border:1px dashed var(--line);border-radius:16px;padding:12px;margin-top:10px;background:#fffdfd}
#sigPreviewCanvas{max-width:260px;max-height:110px;background:linear-gradient(45deg,#f3f4f6 25%,transparent 25%),linear-gradient(-45deg,#f3f4f6 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f3f4f6 75%),linear-gradient(-45deg,transparent 75%,#f3f4f6 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0;border-radius:10px;border:1px solid #e5e7eb}
@media(max-width:720px){.sig-tools{display:grid;grid-template-columns:1fr}.sig-tools input[type=range]{width:100%}.sig-preview-row{flex-direction:column;align-items:flex-start}.modal-card{max-height:94vh;overflow:auto}}


/* V48 - hiển thị trực quan chữ ký trên form */
.sig-inline-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:8px}.sig-inline-img{max-width:220px;max-height:110px;object-fit:contain;display:block}.sig-inline-note{font-size:12px;color:var(--muted);font-style:italic}.signature-box{min-height:150px}.signature-box b{display:block;margin-bottom:6px}


/* V49 - chữ ký trực quan, bỏ dòng chú thích và cải thiện khung cắt */
.sig-inline-note{display:none!important}
.sig-inline-img{max-width:240px;max-height:120px}
#sigCanvas{cursor:crosshair}
.sig-canvas-wrap:after{content:'Có thể kéo 4 góc, 4 cạnh hoặc kéo giữa khung vàng để chỉnh vùng cắt';display:block;text-align:center;color:#62708a;font-size:12px;font-style:italic;margin-top:8px}


/* V50 - thông tin cá nhân và đổi mật khẩu cho người góp ý */
.user-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.toolbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.profile-modal h2{text-align:center;margin:0 0 18px;color:var(--red);font-size:24px;text-transform:uppercase}
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.profile-grid>div{border:1px solid #ffe0e6;background:#fffafb;border-radius:14px;padding:12px}
.profile-wide{grid-column:1/-1}
.profile-label{display:block;font-size:12px;text-transform:uppercase;font-weight:900;color:#a70d2e;margin-bottom:5px}
.profile-signature-box{text-align:center;min-height:68px;display:flex;align-items:center;justify-content:center}
.profile-signature-img{max-width:240px;max-height:110px;object-fit:contain}
.profile-password-box{margin-top:16px;border-top:1px dashed var(--line);padding-top:16px}
.profile-password-box h3{margin:0 0 12px;color:var(--ink)}
@media(max-width:720px){.profile-grid{grid-template-columns:1fr}.user-toolbar{align-items:flex-start}.toolbar-actions{justify-content:flex-start}}