:root{--royal-blue: #1d428a;--sky-blue: #4ec3e0;--bosch-blue: #236192;--white: #ffffff;--red: #d92526;--yellow: #fec909;--green: #3fbcbe;--ink: #18243a;--muted: #64748b;--line: #d6e1ec;--surface: #f3f7fb;--field: #fbfdff;--shadow: 0 18px 50px rgba(29, 66, 138, .13);font-family:Segoe UI,Noto Sans Thai,system-ui,sans-serif;color:var(--ink);background:var(--surface)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;padding:30px;background:linear-gradient(132deg,#1d428afa,#236192f5 54%,#4ec3e0db) top/100% 280px no-repeat,linear-gradient(180deg,#ffffffb8,#fff0) top/100% 520px no-repeat,var(--surface)}.masthead{max-width:1180px;margin:0 auto 22px;color:var(--white);display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;min-height:160px}.eyebrow,.notice,.mode-switch,.category-picker,.submit-bar,.toolbar,.filters,.empty-state{display:flex;align-items:center}.eyebrow{gap:8px;font-weight:700;letter-spacing:0}.masthead h1{margin:0;font-size:clamp(2rem,4vw,3.25rem);line-height:1.16;max-width:880px;font-weight:800}.masthead p{margin:0;max-width:760px;color:#ffffffe0;font-size:1.05rem}.mode-switch{background:#ffffff24;border:1px solid rgba(255,255,255,.34);border-radius:8px;padding:5px;gap:5px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.mode-switch button,.category-picker button,.primary-action,.secondary-action{border:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border-radius:7px;font-weight:700}.mode-switch button{color:var(--white);background:transparent;padding:0 16px}.mode-switch button.active{background:var(--white);color:var(--royal-blue)}.notice{max-width:1180px;margin:0 auto 18px;gap:10px;background:#ecfbfb;border:1px solid rgba(63,188,190,.45);border-left:5px solid var(--green);border-radius:8px;padding:12px 16px;color:#145b66;font-weight:700}.request-grid,.dashboard{max-width:1180px;margin:0 auto}.request-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.span-2{grid-column:span 2}.panel,.dashboard{background:var(--white);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.panel{padding:24px;position:relative;overflow:hidden}.panel:before,.dashboard:before{content:"";display:block;height:4px;background:linear-gradient(90deg,var(--royal-blue) 0 60%,var(--sky-blue) 60% 90%,var(--green) 90% 100%);margin:-24px -24px 20px}.panel-heading,.toolbar{justify-content:space-between;gap:18px;margin-bottom:20px}.panel-heading h2,.toolbar h2{margin:0 0 4px;font-size:1.18rem;color:var(--royal-blue)}.panel-heading span,.toolbar p,td span{color:var(--muted)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid.single{grid-template-columns:1fr;margin-top:16px}.field{display:grid;gap:7px;color:var(--bosch-blue);font-weight:700}.field input,.field select,.field textarea,.filters input,.filters select{width:100%;border:1px solid var(--line);border-radius:7px;padding:12px 13px;color:var(--ink);background:var(--field);min-height:46px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}.field textarea{resize:vertical}.field input:focus,.field select:focus,.field textarea:focus,.filters input:focus,.filters select:focus{outline:3px solid rgba(78,195,224,.28);border-color:var(--sky-blue);background:var(--white)}.category-picker{gap:10px;flex-wrap:wrap;margin-bottom:18px}.items-stack{display:grid;gap:18px}.item-card{border:1px solid var(--line);border-radius:8px;background:#fbfdff;padding:18px}.item-card-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.item-card-header h3{color:var(--royal-blue);font-size:1rem;margin:0}.icon-action{width:38px;min-height:38px;border:1px solid var(--line);border-radius:7px;background:var(--white);color:var(--bosch-blue);display:inline-flex;align-items:center;justify-content:center}.icon-action.danger{color:var(--red)}.icon-action:disabled{color:var(--muted);cursor:not-allowed;opacity:.45}.add-item-action{min-height:46px;border:1px dashed var(--sky-blue);border-radius:8px;background:#f2fbfe;color:var(--royal-blue);font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px}.category-picker button{padding:0 18px;background:#f4f9fc;color:var(--bosch-blue);border:1px solid #c9e8f2}.category-picker button.active{background:linear-gradient(135deg,var(--royal-blue),var(--bosch-blue));color:var(--white);box-shadow:0 10px 24px #1d428a38}.budget-preview{min-height:70px;border-radius:8px;background:linear-gradient(180deg,#f7fbff,#eef8fb);border:1px solid #cce6f0;padding:12px;display:grid;align-content:center}.budget-preview span,.metric span{color:var(--muted);font-size:.9rem}.budget-preview strong{color:var(--royal-blue);font-size:1.35rem}.submit-bar{justify-content:flex-end;padding-bottom:22px}.primary-action{padding:0 24px;background:linear-gradient(135deg,var(--red),#b71b1c);color:var(--white);box-shadow:0 12px 28px #d9252638}.primary-action:disabled,.secondary-action:disabled{opacity:.62;cursor:not-allowed}.dashboard{padding:24px;overflow:hidden;position:relative}.toolbar{display:flex;margin-top:0}.secondary-action{padding:0 16px;background:linear-gradient(135deg,var(--royal-blue),var(--bosch-blue));color:var(--white)}.metrics-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:18px}.metric{border:1px solid var(--line);border-radius:8px;padding:14px;background:linear-gradient(180deg,#fff,#f8fbfe)}.metric strong{display:block;margin-top:6px;color:var(--bosch-blue);font-size:1.15rem}.metric.strong{border-color:#fec909b8;background:#fff9dc}.metric.strong strong{color:#7a5b00}.filters{gap:12px;margin-bottom:16px}.filters label{flex:1;display:grid;gap:7px;color:var(--bosch-blue);font-weight:700}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--white)}table{width:100%;border-collapse:collapse;min-width:900px}th,td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:#eef7fb;color:var(--bosch-blue);font-size:.92rem;position:sticky;top:0}tbody tr:hover{background:#f8fcff}td strong,td span{display:block}.priority{display:inline-flex;align-items:center;justify-content:center;min-width:74px;padding:5px 10px;border-radius:999px;font-weight:800;color:var(--royal-blue);background:#e8f6ff}.priority.high,.priority.critical{color:#841516;background:#ffe6e6}.priority.medium{color:#795700;background:#fff4c2}.empty-state{min-height:180px;justify-content:center;gap:10px;color:var(--muted);font-weight:700}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.app-shell{padding:20px}.masthead,.request-grid,.form-grid,.metrics-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}.toolbar,.filters{align-items:stretch;flex-direction:column}.mode-switch{justify-content:stretch}.mode-switch button{flex:1}}