:root{--navy:#12375b;--navy2:#092b4c;--blue:#1f6fb2;--sky:#eaf4fd;--gold:#dba51d;--green:#14866d;--red:#c44343;--violet:#6c55b5;--ink:#172437;--muted:#6c7785;--line:#e4e9ef;--bg:#f4f7fa;--white:#fff;--shadow:0 6px 25px rgba(18,55,91,.07)}*{box-sizing:border-box}html{font-family:"Noto Sans Thai",sans-serif;color:var(--ink);background:var(--bg)}body{margin:0;font-size:14px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:linear-gradient(180deg,var(--navy2),#123f67);color:#fff;display:flex;flex-direction:column;padding:24px 16px;z-index:20}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 28px;border-bottom:1px solid rgba(255,255,255,.12)}.crest{display:grid;place-items:center;width:43px;height:43px;border-radius:50%;background:var(--gold);color:var(--navy2);font-weight:800;box-shadow:inset 0 0 0 3px rgba(255,255,255,.5)}.brand strong{display:block;letter-spacing:1.2px;font-size:17px}.brand small,.sidebar-foot small{display:block;color:#b9ccdd;font-size:11px}.sidebar nav{padding-top:22px;display:grid;gap:6px}.sidebar nav a{display:flex;gap:12px;align-items:center;padding:11px 13px;border-radius:10px;color:#d6e2ec;font-weight:500}.sidebar nav a span{width:22px;text-align:center;font-size:18px}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.12);color:#fff}.sidebar-foot{margin-top:auto;padding:16px 8px 0;border-top:1px solid rgba(255,255,255,.12);display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:9px}.sidebar-foot .avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#d9e9f6;color:var(--navy);font-weight:700}.sidebar-foot strong{font-size:12px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-foot button{border:0;background:transparent;color:#b9ccdd;font-size:20px}main{grid-column:2;min-width:0}.topbar{height:86px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 32px;gap:16px;position:sticky;top:0;z-index:10}.topbar div:first-of-type{flex:1}.topbar p{margin:0;color:var(--muted);font-size:12px}.topbar h1{margin:2px 0 0;font-size:22px}.content{padding:28px 32px;max-width:1600px;margin:auto}footer{text-align:center;color:#8b96a3;font-size:11px;padding:5px 20px 25px}.menu-button{display:none;border:0;background:none;font-size:23px}.primary,.secondary{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:9px;padding:11px 18px;font-weight:600}.primary{background:var(--navy);color:#fff}.primary:hover{background:#0a2948}.secondary{background:#fff;border:1px solid #ced6df;color:var(--ink)}.compact{padding:9px 14px}.full{width:100%;padding:13px}.alert{padding:12px 16px;border-radius:9px;margin-bottom:18px}.alert.error{background:#ffeded;color:#9f2727}.alert.success{background:#e6f8f2;color:#126a55}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--blue)}.muted{color:var(--muted)}.welcome{background:linear-gradient(120deg,#fff 55%,#e5f1fa);border-radius:16px;padding:25px 28px;box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center}.welcome h2{margin:2px 0;font-size:24px}.welcome p{margin:0;color:var(--muted)}.date-box{display:flex;align-items:center;gap:10px;background:#fff;padding:10px 18px;border:1px solid #d9e5ef;border-radius:12px}.date-box>span{font-size:31px;font-weight:700;color:var(--navy)}.date-box div{font-weight:600}.date-box small{display:block;color:var(--muted);font-weight:400}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.stats article{background:#fff;border-radius:13px;padding:19px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px}.stats small{display:block;color:var(--muted)}.stats strong{font-size:25px}.stat-icon,.quick>a>span{display:grid;place-items:center;width:43px;height:43px;border-radius:10px;font-size:20px;font-weight:700}.blue{background:#e6f2fc;color:var(--blue)}.amber{background:#fff4d8;color:#a26d00}.violet{background:#eeeafd;color:var(--violet)}.red{background:#ffe8e8;color:var(--red)}.green{background:#e1f7ef;color:var(--green)}.grid-main{display:grid;grid-template-columns:minmax(0,2fr) minmax(270px,1fr);gap:20px}.card{background:#fff;border-radius:14px;box-shadow:var(--shadow);border:1px solid #edf0f4}.card-head{display:flex;align-items:center;justify-content:space-between;padding:19px 21px;border-bottom:1px solid var(--line)}.card-head h3,.section-title h3{margin:0;font-size:16px}.card-head p,.section-title p{margin:2px 0 0;color:var(--muted);font-size:12px}.card-head>a:not(.primary){color:var(--blue);font-weight:600}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:700px}th{text-align:left;padding:11px 16px;color:var(--muted);background:#fafbfc;font-size:11px;font-weight:600;white-space:nowrap}td{padding:13px 16px;border-top:1px solid #edf0f3;vertical-align:middle}td small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.doc-no{color:var(--blue);font-weight:700;white-space:nowrap}.subject{max-width:340px;font-weight:500}.status{display:inline-block;padding:4px 9px;border-radius:20px;background:#edf2f6;color:#536171;font-size:11px;white-space:nowrap}.status.registered{background:#e7f1fb;color:#155c95}.status.pending_review{background:#fff2ce;color:#8c6000}.status.in_progress,.status.assigned{background:#eeeafd;color:#614aaa}.status.completed,.status.closed{background:#ddf5ec;color:#0f7057}.priority,.danger{display:inline-block;color:var(--red);background:#ffe8e8;padding:2px 6px;border-radius:5px;font-size:10px;margin-left:5px}.empty{text-align:center;padding:35px;color:var(--muted)}.quick{padding-bottom:8px}.quick>a{display:grid;grid-template-columns:43px 1fr auto;gap:12px;align-items:center;padding:13px 20px;border-bottom:1px solid #eef1f4}.quick>a:hover{background:#fafcff}.quick>a:last-child{border:0}.quick strong{display:block;font-size:13px}.quick small{color:var(--muted);font-size:11px}.filters{margin-bottom:18px;padding:16px}.filters form{display:flex;gap:10px}.filters select,.filters input,.form-grid input,.form-grid select,.form-grid textarea,.login-card input{border:1px solid #d7dee6;background:#fff;border-radius:8px;padding:10px 12px;outline:none;color:var(--ink)}.filters select:focus,.filters input:focus,.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus,.login-card input:focus{border-color:#6ea4d0;box-shadow:0 0 0 3px #e7f2fb}.search{display:flex;align-items:center;border:1px solid #d7dee6;border-radius:8px;flex:1;max-width:500px;padding-left:11px}.search input{border:0;box-shadow:none!important;width:100%}.form-layout{display:grid;gap:18px;max-width:1050px}.form-card{padding:22px}.section-title{display:flex;gap:12px;align-items:flex-start;margin-bottom:20px}.section-title>span{display:grid;place-items:center;width:30px;height:30px;background:var(--navy);color:#fff;border-radius:50%;font-weight:700}.section-title.simple{border-bottom:1px solid var(--line);padding-bottom:15px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}.form-grid label,.login-card label{display:grid;gap:6px;font-size:12px;font-weight:600}.form-grid label b{color:var(--red)}.form-grid .wide{grid-column:1/-1}.form-grid textarea{resize:vertical}.form-actions{display:flex;justify-content:flex-end;gap:10px;padding-bottom:25px}.detail-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.detail-head h2{margin:8px 0;font-size:23px;max-width:900px}.crumb{font-size:12px;color:var(--muted)}.crumb a{color:var(--blue)}.chips{display:flex;gap:7px}.chips>span:not(.status):not(.danger){background:#edf2f6;padding:4px 9px;border-radius:20px;font-size:11px}.detail-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.7fr);gap:20px}.detail-grid>.card{padding:22px}.details{display:grid;grid-template-columns:repeat(2,1fr);margin:0}.details>div{padding:11px 0;border-bottom:1px solid #edf0f3}.details dt{font-size:11px;color:var(--muted)}.details dd{margin:3px 0 0;font-weight:500}.summary{margin-top:20px;padding:15px;background:#f7f9fb;border-radius:9px}.summary h4{margin:0 0 6px}.summary p{margin:0;color:#445263}.timeline-item{display:grid;grid-template-columns:18px 1fr;gap:10px;position:relative;padding-bottom:20px}.timeline-item:before{content:"";position:absolute;left:5px;top:10px;bottom:0;border-left:1px solid #cfd9e2}.timeline-item:last-child:before{display:none}.timeline-item i{width:11px;height:11px;border-radius:50%;background:var(--blue);margin-top:4px;z-index:1}.timeline-item p{margin:2px 0;color:#4c5b6b}.timeline-item small{color:var(--muted)}code{background:#edf2f6;padding:3px 6px;border-radius:5px}.state-page{text-align:center;padding:12vh 20px}.state-page>strong{font-size:70px;color:#cbd5df}.state-page h2{margin:0}.state-page p{color:var(--muted);margin-bottom:25px}
.auth-page{background:#fff}.login-wrap{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}.login-visual{background:linear-gradient(145deg,rgba(6,37,64,.96),rgba(18,70,108,.91)),url('https://thachang.ac.th/wp-content/uploads/2025/06/cropped-logo.png') center/cover;color:#fff;padding:46px 55px;display:flex;flex-direction:column;justify-content:space-between}.school-mark{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:var(--navy);font-size:25px;font-weight:800;border:5px solid rgba(255,255,255,.55)}.login-visual .eyebrow{color:#edc959}.login-visual h1{font-size:46px;line-height:1.25;margin:10px 0}.login-visual p:not(.eyebrow){max-width:580px;color:#d5e2ec;font-size:16px;line-height:1.8}.login-visual small{color:#a9c0d2}.login-panel{display:grid;place-items:center;padding:30px}.login-card{width:min(420px,100%)}.login-card h2{font-size:31px;margin:5px 0}.login-card>.muted{margin:0 0 30px}.login-card label{margin-bottom:16px}.login-card .primary{margin-top:9px}.help{text-align:center;color:var(--muted);font-size:11px;margin-top:18px}.mobile-logo{display:none;font-weight:700;align-items:center;gap:10px;margin-bottom:30px}
@media(max-width:1050px){.stats{grid-template-columns:repeat(2,1fr)}.grid-main,.detail-grid{grid-template-columns:1fr}.quick{order:-1}.quick{display:grid;grid-template-columns:repeat(2,1fr)}.quick .card-head{grid-column:1/-1}.quick>a:nth-last-child(2){border-bottom:0}.login-visual h1{font-size:36px}}
@media(max-width:760px){.shell{display:block}.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0);box-shadow:20px 0 50px rgba(0,0,0,.25)}main{width:100%}.menu-button{display:block}.topbar{height:74px;padding:0 16px}.topbar .primary{display:none}.content{padding:18px 14px}.welcome{padding:20px}.welcome .date-box{display:none}.stats{grid-template-columns:repeat(2,1fr);gap:10px}.stats article{padding:13px;gap:10px}.stats strong{font-size:21px}.stat-icon{width:36px;height:36px}.quick{display:block}.filters form{flex-wrap:wrap}.filters .search{max-width:none;flex-basis:100%}.filters select{flex:1}.form-grid,.details{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.form-card{padding:17px}.detail-head{display:block}.detail-head>button{margin-top:12px}.login-wrap{display:block}.login-visual{display:none}.login-panel{min-height:100vh}.mobile-logo{display:flex}.login-card h2{font-size:27px}}
@media print{.sidebar,.topbar,footer,.detail-head button{display:none!important}.shell{display:block}.content{padding:0}.card{box-shadow:none}.detail-grid{grid-template-columns:1fr}.timeline{break-before:page}}
.school-logo{width:50px;height:50px;object-fit:contain;filter:drop-shadow(0 2px 3px rgba(0,0,0,.3));flex:0 0 auto}.login-school-logo{width:112px;height:112px;object-fit:contain;filter:drop-shadow(0 5px 8px rgba(0,0,0,.3))}.mobile-logo img{width:58px;height:58px;object-fit:contain}.mobile-logo span{font-size:18px;letter-spacing:1px}

/* Modern Civic UI */
:root{--radius:16px;--ease:cubic-bezier(.22,1,.36,1);--shadow-soft:0 10px 35px rgba(13,48,78,.075);--shadow-lift:0 18px 45px rgba(13,48,78,.13)}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 84% 4%,rgba(80,155,213,.10),transparent 28%),linear-gradient(180deg,#f7fafe 0,#f1f5f9 72%);-webkit-font-smoothing:antialiased}body:after{content:"";position:fixed;inset:0;background:rgba(4,25,45,.32);opacity:0;pointer-events:none;z-index:15;transition:opacity .25s var(--ease)}body.menu-open:after{opacity:1}.sidebar{background:linear-gradient(165deg,#082c4d 0%,#0e426c 58%,#0a3458 100%);box-shadow:8px 0 30px rgba(7,36,61,.08)}.brand{transition:transform .35s var(--ease)}.brand:hover{transform:translateY(-2px)}.school-logo{transition:transform .45s var(--ease),filter .45s var(--ease)}.brand:hover .school-logo{transform:scale(1.06) rotate(-2deg);filter:drop-shadow(0 5px 8px rgba(0,0,0,.32))}.sidebar nav a{position:relative;overflow:hidden;transition:background .25s,color .25s,transform .25s var(--ease)}.sidebar nav a:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:#f1c243;border-radius:0 4px 4px 0;transform:scaleY(0);transition:transform .25s var(--ease)}.sidebar nav a:hover{transform:translateX(3px)}.sidebar nav a.active:before{transform:scaleY(1)}.topbar{background:rgba(255,255,255,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:box-shadow .3s,border-color .3s}.topbar.scrolled{box-shadow:0 8px 30px rgba(16,52,82,.09);border-color:transparent}.content{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}body.is-ready .content{opacity:1;transform:none}.card,.welcome,.stats article{border:1px solid rgba(218,227,236,.82);box-shadow:var(--shadow-soft);transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s}.stats article:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(126,170,205,.45)}.stats article:hover .stat-icon{transform:scale(1.08)}.stat-icon{transition:transform .3s var(--ease)}.welcome{position:relative;overflow:hidden;background:linear-gradient(125deg,rgba(255,255,255,.98),rgba(231,243,252,.92))}.welcome:after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:-70px;top:-100px;background:radial-gradient(circle,rgba(29,111,178,.16),transparent 68%);pointer-events:none}.primary,.secondary{position:relative;overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s,background .22s,border-color .22s}.primary{background:linear-gradient(135deg,#123d65,#0d2f50);box-shadow:0 7px 17px rgba(13,47,80,.18)}.primary:hover{transform:translateY(-2px);box-shadow:0 11px 24px rgba(13,47,80,.25)}.primary:active,.secondary:active{transform:translateY(0) scale(.98)}.secondary:hover{border-color:#8caac1;background:#f8fbfe;transform:translateY(-1px)}button.is-loading{pointer-events:none;opacity:.72}button.is-loading:after{content:"";width:13px;height:13px;margin-left:9px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}input,select,textarea{transition:border-color .2s,box-shadow .2s,background .2s}input:hover,select:hover,textarea:hover{border-color:#aebfcd}.table-wrap{border-radius:0 0 var(--radius) var(--radius)}tbody tr{transition:background .18s,transform .18s}tbody tr:hover{background:#f5faff}td a{transition:color .2s}.doc-no:hover,.subject a:hover{color:#0b5b9d}.quick>a{transition:background .2s,transform .25s var(--ease)}.quick>a:hover{transform:translateX(4px);background:linear-gradient(90deg,#f7fbff,#fff)}.file-row{transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}.file-row:hover{transform:translateY(-2px);border-color:#a9c5dc;box-shadow:0 9px 23px rgba(18,55,91,.08)}.status{border:1px solid transparent}.alert{box-shadow:0 10px 30px rgba(18,55,91,.08);transition:opacity .35s,transform .35s}.alert.leaving{opacity:0;transform:translateY(-8px)}*:focus-visible{outline:3px solid rgba(31,111,178,.28);outline-offset:2px}.login-visual{position:relative;overflow:hidden;background:radial-gradient(circle at 20% 12%,rgba(219,165,29,.18),transparent 26%),linear-gradient(145deg,#062944,#0c4c78)}.login-visual:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.08);border-radius:50%;right:-170px;bottom:-180px;box-shadow:0 0 0 55px rgba(255,255,255,.025),0 0 0 110px rgba(255,255,255,.018)}.login-school-logo{z-index:1;animation:logo-in .8s var(--ease) both}.login-card{animation:panel-in .65s var(--ease) both}@keyframes logo-in{from{opacity:0;transform:translateY(-15px) scale(.92)}to{opacity:1;transform:none}}@keyframes panel-in{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}@media(max-width:760px){.content{transition-duration:.35s}.topbar{backdrop-filter:blur(12px)}.card,.welcome,.stats article{border-radius:13px}.stats article:hover{transform:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.content{opacity:1;transform:none}}
.detail-card{padding:22px}.detail-card+.detail-card{margin-top:20px}.file-row{display:grid;grid-template-columns:45px 1fr auto;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:9px;margin-bottom:8px}.file-row>span{font-size:10px;font-weight:700;background:#fee7e7;color:#b43d3d;padding:8px 4px;text-align:center;border-radius:6px}.file-row small{display:block;color:var(--muted)}.file-row>b{font-size:11px;color:var(--blue)}.upload{display:flex;gap:8px;align-items:center;margin-top:15px;padding-top:15px;border-top:1px solid var(--line)}.upload input{flex:1}.upload select{padding:8px;border:1px solid var(--line);border-radius:7px}@media(max-width:760px){.upload{align-items:stretch;flex-direction:column}.file-row{grid-template-columns:40px 1fr}.file-row>b{grid-column:2}}