*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#003087;--primary-dark:#001f5b;--primary-light:#e8edf8;
  --accent:#0066cc;--success:#1a7a4a;--danger:#c0392b;
  --border:#d0d5dd;--border-light:#e5e9f0;
  --bg:#f4f6fb;--surface:#ffffff;--surface2:#f8f9fc;
  --text:#1a2340;--text2:#4a5568;--text3:#8898aa;
  --shadow:0 1px 4px rgba(0,48,135,0.08);--shadow-md:0 4px 16px rgba(0,48,135,0.12);
  --radius:8px;--radius-lg:12px;
  --font:'Sarabun',sans-serif;--font2:'Cordia New','Sarabun',sans-serif;
}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;min-height:100vh}
.app-wrapper{max-width:1100px;margin:0 auto;padding:16px}

/* LANDING PAGE */
.landing-wrapper{display:flex;flex-direction:column;gap:28px;padding:20px 0}
.landing-top{background:#fff;border-radius:24px;box-shadow:var(--shadow-md);padding:36px 28px;text-align:center}
.landing-logo{width:72px;height:72px;object-fit:contain;margin:0 auto 16px;background:#fff;border-radius:18px;border:1px solid rgba(0,48,135,.14);padding:8px}
.landing-title{font-size:30px;font-weight:700;color:var(--primary);margin-bottom:12px;line-height:1.1}
.landing-subtitle{font-size:16px;color:var(--text2);margin:0}
.landing-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:860px){.landing-grid{grid-template-columns:1.2fr .9fr}}
.landing-card{display:flex;align-items:center;gap:18px;padding:24px;border-radius:24px;background:#fff;border:1px solid rgba(208,213,221,.65);box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:all .2s ease}
.landing-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,48,135,.12)}
.landing-card-icon{width:58px;height:58px;border-radius:18px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--primary);flex-shrink:0}
.landing-card-content{flex:1;min-width:0}
.landing-card-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.landing-card-text{font-size:14px;color:var(--text2);line-height:1.7}
.landing-card-meta,.landing-card-tag{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap}
.landing-card-meta{color:var(--primary)}
.landing-card-tag{color:var(--text3)}
.landing-card.disabled{cursor:not-allowed;opacity:.52;box-shadow:none;border-color:rgba(208,213,221,.45)}
.landing-card.disabled:hover{transform:none;box-shadow:none}

/* HEADER */
.app-header{background:var(--primary);color:#fff;border-radius:var(--radius-lg);padding:16px 24px;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:var(--shadow-md)}
.app-header-left{display:flex;align-items:center;gap:14px}
.logo-mark{width:52px;height:52px;background:#fff;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-mark span{font-size:18px;font-weight:700;color:var(--primary);letter-spacing:-1px}
.header-logo{width:56px;height:56px;object-fit:contain;flex-shrink:0;border-radius:6px;background:#fff;padding:4px}
.app-title{font-size:16px;font-weight:600}
.app-subtitle{font-size:12px;opacity:.75;margin-top:2px}
.action-group{display:flex;gap:8px;flex-wrap:wrap}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);border:1.5px solid transparent;font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:all 0.15s ease;white-space:nowrap;text-decoration:none}
.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-white{background:#fff;color:var(--primary);border-color:rgba(255,255,255,0.3)}.btn-white:hover{background:#f0f4ff}
.btn-success{background:var(--success);color:#fff;border-color:var(--success);box-shadow:0 2px 8px rgba(26,122,74,.25)}.btn-success:hover{background:#145c38}
.btn-danger{background:#fff;color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:#fff5f5}

/* TABS */
.tabs-nav{display:flex;gap:4px;margin-bottom:16px;background:var(--surface);border-radius:var(--radius-lg);padding:6px;box-shadow:var(--shadow);overflow-x:auto}
.tab-btn{flex:1;min-width:120px;padding:9px 12px;border:none;border-radius:var(--radius);background:transparent;color:var(--text2);font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:all 0.18s ease;text-align:center;white-space:nowrap}
.tab-btn:hover{background:var(--primary-light);color:var(--primary)}
.tab-btn.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(0,48,135,.2)}
.tab-badge{display:inline-block;background:rgba(255,255,255,.25);border-radius:10px;padding:1px 7px;font-size:10px;margin-left:4px}
.tab-btn:not(.active) .tab-badge{background:var(--border-light);color:var(--text3)}

/* PANELS */
.page-panel{display:none}.page-panel.active{display:block}

/* FORM CARD */
.form-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow);overflow:hidden}
.doc-header{padding:16px 20px 12px;border-bottom:2px solid var(--primary);background:linear-gradient(135deg,#fafbff 0%,#f0f4ff 100%)}
.doc-header-top{display:flex;align-items:flex-start;gap:14px;margin-bottom:10px}
.doc-logo{width:56px;height:56px;border:2px solid var(--primary);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:#fff}
.doc-logo-text{font-size:17px;font-weight:700;color:var(--primary);letter-spacing:-1px;line-height:1}
.doc-logo-sub{font-size:7px;color:var(--primary);letter-spacing:.5px}
.doc-company{font-size:11px;color:var(--text2);line-height:1.5}
.doc-company strong{font-size:13px;color:var(--text)}
.doc-page-no{margin-left:auto;font-size:13px;font-weight:700;color:var(--primary);border:1.5px solid var(--primary);border-radius:var(--radius);padding:3px 10px;white-space:nowrap}
.doc-title{text-align:center;font-size:15px;font-weight:700;color:var(--primary);border-top:1px solid var(--border-light);padding-top:10px;letter-spacing:.3px}

/* FORM BODY */
.doc-body{padding:16px 20px}
.form-section{margin-bottom:14px}
.section-label{font-size:12px;font-weight:700;color:var(--primary);border-left:3px solid var(--primary);padding-left:8px;margin-bottom:8px;text-transform:uppercase;letter-spacing:.4px}
.form-grid{display:grid;gap:8px}
.form-grid.g2{grid-template-columns:1fr 1fr}
.form-grid.label-val{grid-template-columns:170px 1fr}
.form-grid.label-val-label-val{grid-template-columns:170px 1fr 140px 1fr}
.field-label{font-size:11.5px;font-weight:600;color:var(--text2);letter-spacing:.2px;display:flex;align-items:center}

/* inputs */
.field-input{border:none;border-bottom:1.5px solid var(--border);background:transparent;padding:6px 2px 4px;font-size:13px;font-family:var(--font);color:var(--text);outline:none;transition:border-color .15s;width:100%}
.field-input:focus{border-bottom-color:var(--accent)}
.field-input::placeholder{color:var(--text3);font-size:12px}
input[type="date"].field-input{color:var(--text)}

/* DROPDOWN styled to match field-input */
.field-select{border:none;border-bottom:1.5px solid var(--border);background:transparent;padding:6px 2px 4px;font-size:13px;font-family:var(--font);color:var(--text);outline:none;width:100%;cursor:pointer;transition:border-color .15s;-webkit-appearance:none;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='%238898aa' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center;padding-right:20px}
.field-select:focus{border-bottom-color:var(--accent)}
.field-select option{background:#fff;color:var(--text)}

.field-with-unit{display:flex;align-items:flex-end;gap:6px}
.field-with-unit .field-input,.field-with-unit .field-select{flex:1}
.unit-tag{font-size:12px;color:var(--text2);font-weight:500;white-space:nowrap;padding-bottom:4px;flex-shrink:0}

/* CHECKBOXES */
.check-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;padding:6px 0}
.check-item{display:flex;align-items:center;gap:6px;font-size:12.5px;cursor:pointer;color:var(--text);user-select:none}
.check-item input[type="checkbox"]{width:15px;height:15px;accent-color:var(--primary);cursor:pointer}

/* RESULT BOX */
.result-box{background:var(--primary-light);border:1px solid #c5d0e8;border-left:3px solid var(--primary);border-radius:var(--radius);padding:10px 14px;font-size:12.5px;color:var(--text);line-height:1.8;margin:8px 0}
.result-box .result-title{font-weight:700;color:var(--primary);margin-bottom:4px}

/* SIGNATURE */
.sig-section{border-top:1px dashed var(--border);padding-top:12px;margin-top:12px}
.sig-block{background:var(--surface2);border-radius:var(--radius);border:1px solid var(--border-light);padding:10px 14px;margin-bottom:8px}
.sig-block-title{font-size:11.5px;font-weight:700;color:var(--text2);margin-bottom:6px}
.sig-license{font-size:11px;color:var(--text3);margin-top:4px;font-style:italic}

/* TABLE */
.data-table{width:100%;border-collapse:collapse;font-size:12.5px;margin:8px 0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.data-table th{background:var(--primary);color:#fff;padding:8px 10px;text-align:center;font-weight:600;font-size:12px}
.data-table td{padding:3px 6px;border-bottom:1px solid var(--border-light);border-right:1px solid var(--border-light)}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:nth-child(even) td{background:var(--surface2)}
.data-table td:first-child{text-align:center;font-weight:600;background:var(--primary-light);color:var(--primary);width:40px}
.data-table .field-select,.data-table .field-input{padding:5px 4px;font-size:12.5px;width:100%;text-align:center}

/* FOOTER */
.doc-footer{background:var(--primary);color:rgba(255,255,255,.85);padding:14px 20px;font-size:10px;line-height:1.5;display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}
.doc-footer .footer-col{display:flex;flex-direction:column;gap:2px}
.doc-footer .footer-col--eng{padding-left:12px;border-left:1px solid rgba(255,255,255,.35)}
@media(max-width:700px){
  .doc-footer{grid-template-columns:1fr;text-align:center}
  .doc-footer .footer-col--eng{border-left:none;padding-left:0}
}

/* PHOTO TAB */
.photo-drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:32px;text-align:center;cursor:pointer;transition:all .2s ease;background:var(--surface2);margin-bottom:16px}
.photo-drop-zone:hover,.photo-drop-zone.drag-over{border-color:var(--accent);background:var(--primary-light)}
.drop-icon{font-size:48px;margin-bottom:8px;opacity:.4}
.drop-text{font-size:14px;color:var(--text2);font-weight:500}
.drop-sub{font-size:12px;color:var(--text3);margin-top:4px}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.photo-item{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-light);box-shadow:var(--shadow);background:var(--surface2)}
.photo-item img{width:100%;display:block;object-fit:contain;max-height:200px}
.photo-caption{padding:6px 8px;font-size:11px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.photo-del-btn{position:absolute;top:6px;right:6px;width:24px;height:24px;background:rgba(192,57,43,.9);color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:background .15s}
.photo-del-btn:hover{background:var(--danger)}
.photo-empty{text-align:center;padding:32px;color:var(--text3);font-size:13px}

/* TOAST */
#status-toast{position:fixed;bottom:24px;right:24px;padding:10px 18px;border-radius:var(--radius);font-size:13px;font-weight:500;box-shadow:var(--shadow-md);opacity:0;transform:translateY(10px);transition:all .25s ease;z-index:9999;pointer-events:none}
#status-toast.show{opacity:1;transform:translateY(0)}
#status-toast.success{background:var(--success);color:#fff}
#status-toast.error{background:var(--danger);color:#fff}
#status-toast.info{background:var(--primary);color:#fff}

/* PROGRESS */
#progress-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:10000;align-items:center;justify-content:center;flex-direction:column;gap:14px}
#progress-overlay.show{display:flex}
.progress-box{background:#fff;border-radius:var(--radius-lg);padding:28px 36px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,.2)}
.progress-spinner{width:40px;height:40px;border:4px solid var(--primary-light);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 12px}
@keyframes spin{to{transform:rotate(360deg)}}
.progress-text{font-size:14px;font-weight:600;color:var(--text)}
.progress-sub{font-size:12px;color:var(--text3);margin-top:4px}

.divider{border:none;border-top:1px solid var(--border-light);margin:12px 0}

/* SYNC badge */
.sync-badge{font-size:10px;background:#e8f5ee;color:var(--success);border:1px solid #a8d5bc;border-radius:4px;padding:1px 5px;margin-left:6px;vertical-align:middle;font-weight:600}

@media(max-width:700px){
  .form-grid.g2,.form-grid.label-val,.form-grid.label-val-label-val{grid-template-columns:1fr}
  .app-header{flex-direction:column;align-items:flex-start}
  .action-group{width:100%}
  .btn{flex:1;justify-content:center}
  .tabs-nav{gap:2px}
  .tab-btn{min-width:80px;font-size:12px;padding:7px 8px}
}
@media print{
  body{background:white}
  .app-header,.tabs-nav,.action-group{display:none!important}
  .page-panel{display:block!important;page-break-after:always}
  .form-card{box-shadow:none;border:none}
}
/* DOCUMENT LIST PAGE STYLES */
.doc-list-page {
  max-width: 900px;
  margin-top: 24px;
}
.doc-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.doc-list-back {
  color: var(--text2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
.doc-list-back:hover {
  color: var(--primary);
}
.doc-list-heading {
  margin-bottom: 20px;
}
.doc-list-heading h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}
.doc-list-heading p {
  font-size: 14px;
  color: var(--text2);
}
.reports-list-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.doc-list-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: all 0.15s ease;
  cursor: pointer;
}
.doc-list-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: #c5d0e8;
}
.doc-list-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.doc-list-card-subtitle {
  font-size: 13px;
  color: var(--text3);
}
.doc-list-card-badge {
  background: #fff8e6;
  color: #b78103;
  border: 1px solid #ffe8b3;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.doc-list-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.btn-delete-report {
  background: transparent;
  border: none;
  color: var(--text3);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.btn-delete-report:hover {
  background: #fff5f5;
  color: var(--danger);
}
/* ── Filter bar ──────────────────────────────────────────── */
.filter-bar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.filter-bar .fi-search{flex:1;min-width:180px;padding:9px 14px 9px 38px;border:1.5px solid var(--border);border-radius:var(--radius);font-family:var(--font);font-size:13px;color:var(--text);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238898aa' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E") 12px center no-repeat;outline:none;transition:border-color .15s;}
.filter-bar .fi-search:focus{border-color:var(--primary);}
.filter-bar .fi-select{padding:9px 30px 9px 12px;border:1.5px solid var(--border);border-radius:var(--radius);font-family:var(--font);font-size:13px;color:var(--text);background:#fff 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='%238898aa' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") right 10px center no-repeat;-webkit-appearance:none;appearance:none;outline:none;cursor:pointer;transition:border-color .15s;}
.filter-bar .fi-select:focus{border-color:var(--primary);}
.filter-count{font-size:12px;color:var(--text3);white-space:nowrap;align-self:center}

/* ── Stat cards (dashboard) ──────────────────────────────── */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow);border:1px solid var(--border-light);display:flex;flex-direction:column;gap:6px}
.stat-card-num{font-size:32px;font-weight:700;color:var(--primary);line-height:1}
.stat-card-label{font-size:12px;color:var(--text2);font-weight:500}
.stat-card-sub{font-size:11px;color:var(--text3)}
.stat-card.accent-green .stat-card-num{color:var(--success)}
.stat-card.accent-orange .stat-card-num{color:#b45309}
.stat-card.accent-red .stat-card-num{color:var(--danger)}

/* ── Modal overlay ───────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:10000;display:flex;align-items:center;justify-content:center;padding:16px}
.modal-box{background:#fff;border-radius:var(--radius-lg);box-shadow:0 8px 40px rgba(0,48,135,.18);width:100%;max-width:440px;overflow:hidden}
.modal-head{background:var(--primary);color:#fff;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:15px}
.modal-close{background:transparent;border:none;color:rgba(255,255,255,.7);font-size:20px;cursor:pointer;line-height:1;padding:2px 6px;border-radius:4px}
.modal-close:hover{color:#fff;background:rgba(255,255,255,.15)}
.modal-body{padding:22px 20px}
.modal-footer{padding:14px 20px;border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:8px}

/* ── User table (admin) ──────────────────────────────────── */
.user-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.user-table th{background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:700;padding:10px 14px;text-align:left;border-bottom:2px solid var(--border-light)}
.user-table td{padding:10px 14px;font-size:13px;border-bottom:1px solid var(--border-light);vertical-align:middle}
.user-table tr:last-child td{border-bottom:none}
.user-table tr:hover td{background:var(--surface2)}
.role-badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 9px;border-radius:20px}
.role-badge.admin{background:#e8f0fe;color:#1a56c4}
.role-badge.engineer{background:#e3f7ef;color:#1a7a4a}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px}
.status-dot.active{background:#1a7a4a}
.status-dot.inactive{background:#c0392b}