/* ============================================================
   หอพักดี (HorPhakDee) — Dormitory Management System
   Design tokens: soft indigo/lavender glass UI
   Display face: Prompt / Body face: Sarabun
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@400;500;600;700;800&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root{
  --bg-1:#eef1fb;
  --bg-2:#e3e9fb;
  --bg-3:#dbe2f8;
  --card:rgba(255,255,255,.72);
  --card-solid:#ffffff;
  --card-border:rgba(255,255,255,.65);
  --accent:#4c5fd5;
  --accent-2:#7b8bf0;
  --accent-dark:#333f9e;
  --accent-soft:#eef0ff;
  --ink:#1f2444;
  --muted:#6b7290;
  --muted-2:#9297b3;
  --success:#2fb787;
  --success-soft:#e4f8f0;
  --warning:#f2a93b;
  --warning-soft:#fdf1de;
  --danger:#ea5b56;
  --danger-soft:#fdeaea;
  --radius-lg:26px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-soft:0 20px 45px -20px rgba(76,95,213,.28);
  --shadow-card:0 10px 30px -12px rgba(31,36,68,.12);
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:'Sarabun',sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 8% 8%, #f4f6ff 0%, transparent 45%),
    radial-gradient(circle at 92% 15%, #dde4fb 0%, transparent 40%),
    linear-gradient(160deg,var(--bg-1) 0%,var(--bg-2) 55%,var(--bg-3) 100%);
  min-height:100vh;
}
h1,h2,h3,h4,.display{font-family:'Prompt',sans-serif;}
a{color:inherit;text-decoration:none;}
button{font-family:'Sarabun',sans-serif;}
::selection{background:var(--accent-2);color:#fff;}

/* ---------- layout shells ---------- */
.app-shell{
  max-width:1360px;
  margin:0 auto;
  padding:22px 28px 60px;
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:'Prompt',sans-serif;
  font-weight:700;
  font-size:20px;
  flex:none;
  white-space:nowrap;
}
.brand .mark{
  width:40px;height:40px;border-radius:14px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:800;
  box-shadow:var(--shadow-soft);
  flex:none;
}
.pill-nav{
  display:flex;
  flex-wrap:nowrap;
  align-items:center;
  justify-content:center;
  gap:4px;
  background:var(--card);
  border:1px solid var(--card-border);
  backdrop-filter:blur(14px);
  padding:6px;
  border-radius:999px;
  box-shadow:var(--shadow-card);
  flex:1 1 auto;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.pill-nav::-webkit-scrollbar{display:none;}
.pill-nav a{
  padding:10px 18px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  transition:.2s;
  white-space:nowrap;
  flex:none;
}
.pill-nav a:hover{color:var(--ink);}
.pill-nav a.active{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#fff;
  box-shadow:0 8px 18px -6px rgba(76,95,213,.55);
}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  background:var(--card);border:1px solid var(--card-border);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:16px;color:var(--muted);
  transition:.2s;
  flex:none;
}
.icon-btn:hover{color:var(--accent);transform:translateY(-1px);}
.avatar-chip{
  display:flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--card-border);
  border-radius:999px;padding:6px 14px 6px 6px;
  cursor:pointer;font-size:14px;font-weight:500;
  max-width:220px;
}
.avatar-chip .av{
  width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
  flex:none;
}
.avatar-chip span{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.welcome{margin-bottom:22px;}
.welcome h1{font-size:28px;margin:0 0 4px;font-weight:700;}
.welcome p{margin:0;color:var(--muted);font-size:15px;}

/* ---------- stat strip ---------- */
.stat-strip{
  display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px;
}
.stat-chip{
  background:var(--card);border:1px solid var(--card-border);
  backdrop-filter:blur(14px);
  border-radius:var(--radius-md);
  padding:14px 20px;
  display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow-card);
  flex:1;min-width:150px;
}
.stat-chip .num{font-size:22px;font-weight:700;font-family:'Prompt',sans-serif;}
.stat-chip .lbl{font-size:12.5px;color:var(--muted);}
.stat-chip .ic{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;background:var(--accent-soft);color:var(--accent);
}

/* ---------- grid & cards ---------- */
.grid{display:grid;gap:18px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:2fr 1fr;}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:1000px){
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
}

.card{
  background:var(--card);
  border:1px solid var(--card-border);
  backdrop-filter:blur(16px);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.card-solid{background:var(--card-solid);}
.card-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:14px;
}
.card-head h3{font-size:16px;margin:0;font-weight:600;}
.card-head .link{font-size:13px;color:var(--accent);cursor:pointer;font-weight:500;}
.tag{
  font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;
}
.tag.blue{background:var(--accent-soft);color:var(--accent-dark);}
.tag.green{background:var(--success-soft);color:var(--success);}
.tag.orange{background:var(--warning-soft);color:#b9791d;}
.tag.red{background:var(--danger-soft);color:var(--danger);}

/* dark panel like the reference "onboarding" card */
.card-dark{
  background:linear-gradient(160deg,#2b2f66,#20244f 70%);
  color:#fff;border:none;
}
.card-dark .muted{color:rgba(255,255,255,.6);}
.task-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:14px;margin-bottom:8px;
  background:rgba(255,255,255,.06);
  font-size:13.5px;
}
.task-row .ok{color:#7ee9b8;}
.task-row:last-child{margin-bottom:0;}

/* donut progress ring */
.ring-wrap{position:relative;width:150px;height:150px;margin:0 auto;}
.ring-wrap svg{transform:rotate(-90deg);}
.ring-center{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
}
.ring-center .big{font-family:'Prompt',sans-serif;font-size:26px;font-weight:700;}
.ring-center .small{font-size:12px;color:var(--muted);}

/* bar chart mini */
.bars{display:flex;align-items:flex-end;gap:8px;height:90px;margin:12px 0;}
.bars .bar{flex:1;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,var(--accent-2),var(--accent));}
.bars .bar.light{background:var(--accent-soft);}
.bar-labels{display:flex;gap:8px;}
.bar-labels span{flex:1;text-align:center;font-size:11.5px;color:var(--muted-2);}

/* progress bar */
.progress-track{
  height:8px;background:var(--accent-soft);border-radius:999px;overflow:hidden;
}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent-2),var(--accent));}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:14px;}
th{
  text-align:left;font-weight:600;color:var(--muted);
  font-size:12.5px;text-transform:uppercase;letter-spacing:.03em;
  padding:10px 12px;border-bottom:1px solid rgba(31,36,68,.08);
}
td{padding:12px;border-bottom:1px solid rgba(31,36,68,.06);vertical-align:middle;}
tr:last-child td{border-bottom:none;}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px;}
.status-dot.green{background:var(--success);}
.status-dot.orange{background:var(--warning);}
.status-dot.red{background:var(--danger);}
.status-dot.gray{background:var(--muted-2);}

/* ---------- forms ---------- */
label{font-size:13px;font-weight:500;color:var(--muted);display:block;margin-bottom:6px;}
input,select,textarea{
  width:100%;padding:11px 14px;border-radius:12px;
  border:1px solid rgba(31,36,68,.12);
  background:rgba(255,255,255,.85);
  font-family:'Sarabun',sans-serif;font-size:14.5px;color:var(--ink);
  outline:none;transition:.2s;
}
input:focus,select:focus,textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(76,95,213,.15);
}
.field{margin-bottom:14px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:700px){.field-row{grid-template-columns:1fr;}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:none;cursor:pointer;
  font-weight:600;font-size:14.5px;transition:.2s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#fff;box-shadow:0 10px 22px -8px rgba(76,95,213,.6);
}
.btn-primary:hover{transform:translateY(-1px);}
.btn-ghost{background:var(--accent-soft);color:var(--accent-dark);}
.btn-outline{background:transparent;border:1px solid rgba(31,36,68,.15);color:var(--ink);}
.btn-danger{background:var(--danger-soft);color:var(--danger);}
.btn-sm{padding:7px 14px;font-size:13px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

.icon-action{
  width:32px;height:32px;border-radius:9px;border:none;cursor:pointer;
  background:var(--accent-soft);color:var(--accent-dark);font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;margin-right:4px;
}
.icon-action.danger{background:var(--danger-soft);color:var(--danger);}

/* ---------- modal ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(31,36,68,.45);
  backdrop-filter:blur(4px);
  display:none;align-items:center;justify-content:center;z-index:50;padding:20px;
}
.overlay.show{display:flex;}
.modal{
  background:#fff;border-radius:22px;padding:26px;width:100%;max-width:520px;
  box-shadow:0 30px 60px -20px rgba(31,36,68,.4);
  max-height:88vh;overflow-y:auto;
}
.modal h3{margin-top:0;}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;}

/* ---------- login page ---------- */
.login-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
}
.login-card{
  width:100%;max-width:960px;
  background:var(--card);border:1px solid var(--card-border);
  backdrop-filter:blur(18px);border-radius:32px;
  box-shadow:0 30px 70px -25px rgba(76,95,213,.4);
  display:grid;grid-template-columns:1.1fr 1fr;overflow:hidden;
}
@media(max-width:820px){.login-card{grid-template-columns:1fr;}}
.login-visual{
  background:linear-gradient(160deg,#2b2f66,#4c5fd5 65%,#7b8bf0);
  color:#fff;padding:44px;display:flex;flex-direction:column;justify-content:space-between;
  position:relative;overflow:hidden;
}
.login-visual::after{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.08);right:-90px;bottom:-90px;
}
.login-visual .skyline{
  display:flex;align-items:flex-end;gap:6px;height:90px;margin-top:20px;position:relative;z-index:1;
}
.login-visual .skyline div{background:rgba(255,255,255,.28);border-radius:3px 3px 0 0;}
.login-form-side{padding:44px;}
.login-tabs{display:flex;gap:6px;background:var(--accent-soft);padding:5px;border-radius:999px;margin-bottom:26px;}
.login-tabs button{
  flex:1;border:none;background:transparent;padding:10px 0;border-radius:999px;
  font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;transition:.2s;
}
.login-tabs button.active{background:#fff;color:var(--accent-dark);box-shadow:var(--shadow-card);}
.error-box{
  background:var(--danger-soft);color:var(--danger);padding:10px 14px;border-radius:12px;
  font-size:13.5px;margin-bottom:14px;display:none;
}
.error-box.show{display:block;}
.hint-box{
  background:var(--accent-soft);color:var(--accent-dark);padding:12px 14px;border-radius:12px;
  font-size:13px;margin-top:16px;line-height:1.6;
}

.empty-state{text-align:center;padding:40px 20px;color:var(--muted);}
.empty-state .ic{font-size:34px;margin-bottom:10px;}

.chip-list{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  background:var(--accent-soft);color:var(--accent-dark);
  padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:500;
}

.footer-note{text-align:center;color:var(--muted-2);font-size:12.5px;margin-top:30px;}

/* ---------- nav unread badge ---------- */
.nav-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:17px;height:17px;padding:0 4px;margin-left:6px;
  border-radius:999px;background:var(--danger);color:#fff;
  font-size:10.5px;font-weight:700;line-height:1;vertical-align:2px;
}

/* ---------- chat ---------- */
.chat-layout{
  display:grid;grid-template-columns:300px 1fr;gap:18px;
  height:min(640px, calc(100vh - 260px));min-height:440px;
}
@media(max-width:820px){.chat-layout{grid-template-columns:1fr;height:auto;}}
.chat-thread-list{
  padding:10px;overflow-y:auto;display:flex;flex-direction:column;gap:4px;
}
.chat-thread-item{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:10px;border-radius:14px;border:none;background:transparent;
  cursor:pointer;text-align:left;transition:.15s;
}
.chat-thread-item:hover{background:var(--accent-soft);}
.chat-thread-item.active{background:var(--accent-soft);}
.chat-thread-item .avatar{
  flex:none;width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent-2),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.chat-thread-meta{display:flex;flex-direction:column;min-width:0;flex:1;}
.chat-thread-meta .name{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.chat-thread-meta .preview{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.chat-badge{
  flex:none;min-width:19px;height:19px;padding:0 5px;border-radius:999px;
  background:var(--danger);color:#fff;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.chat-panel{display:flex;flex-direction:column;padding:0;overflow:hidden;}
.panel-title{
  padding:16px 20px;font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(31,36,68,.08);flex:none;
}
.chat-messages{
  flex:1;overflow-y:auto;padding:18px 20px;
  display:flex;flex-direction:column;gap:10px;
}
.chat-empty-hint{text-align:center;color:var(--muted);font-size:13.5px;margin-top:30px;}
.chat-bubble{
  max-width:72%;padding:10px 15px;border-radius:16px;font-size:14px;line-height:1.55;
  white-space:pre-wrap;word-break:break-word;
}
.chat-bubble.them{
  align-self:flex-start;background:var(--accent-soft);color:var(--ink);
  border-bottom-left-radius:4px;
}
.chat-bubble.me{
  align-self:flex-end;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#fff;border-bottom-right-radius:4px;
}
.chat-input-row{
  flex:none;display:flex;gap:10px;padding:14px 16px;
  border-top:1px solid rgba(31,36,68,.08);
}
.chat-input-row input{flex:1;}

/* ---------- responsive: tablet / phone ---------- */
@media(max-width:820px){
  .app-shell{padding:16px 16px 50px;}
  .topbar{flex-wrap:wrap;row-gap:10px;}
  .pill-nav{
    order:3;width:100%;
    flex-wrap:nowrap;overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    justify-content:flex-start;
  }
  .pill-nav::-webkit-scrollbar{display:none;}
  .pill-nav a{padding:9px 14px;font-size:13.5px;}
  .welcome h1{font-size:23px;}
  .stat-strip{gap:10px;}
  .stat-chip{min-width:130px;padding:12px 14px;}
  .card{padding:16px;border-radius:var(--radius-md);}
}
@media(max-width:560px){
  .app-shell{padding:12px 10px 40px;}
  .brand{font-size:17px;}
  .brand .mark{width:34px;height:34px;font-size:15px;}
  .avatar-chip span{display:none;}
  .welcome h1{font-size:20px;}
  .welcome p{font-size:13.5px;}
  .stat-chip{flex:1 1 calc(50% - 10px);min-width:calc(50% - 10px);}
  .stat-chip .num{font-size:18px;}
  .card{padding:14px;}
  .card-head h3{font-size:14.5px;}
  table{font-size:12.5px;}
  th{padding:8px;font-size:11px;}
  td{padding:8px;}
  .btn{padding:9px 16px;font-size:13.5px;}
  .modal{padding:18px;border-radius:18px;max-height:92vh;}
  .field-row{gap:10px;}
  .ring-wrap{width:120px;height:120px;}
}

/* ---------- payment slip ---------- */
.slip-upload-box{
  border:1.5px dashed rgba(31,36,68,.2);border-radius:16px;
  padding:20px;text-align:center;background:var(--accent-soft);
}
.slip-upload-box input[type="file"]{
  background:#fff;padding:9px 10px;font-size:13px;
}
.slip-thumb{
  max-width:220px;max-height:220px;border-radius:14px;
  box-shadow:var(--shadow-card);cursor:pointer;display:block;margin:10px auto 0;
}
.slip-thumb-sm{
  width:44px;height:44px;object-fit:cover;border-radius:8px;
  cursor:pointer;box-shadow:var(--shadow-card);
}
.slip-viewer-overlay{
  position:fixed;inset:0;background:rgba(20,22,45,.82);
  display:none;align-items:center;justify-content:center;z-index:60;padding:24px;
}
.slip-viewer-overlay.show{display:flex;}
.slip-viewer-overlay img{max-width:min(90vw,520px);max-height:85vh;border-radius:14px;box-shadow:0 30px 70px -20px rgba(0,0,0,.6);}
.slip-viewer-close{
  position:absolute;top:22px;right:26px;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.15);color:#fff;border:none;font-size:20px;cursor:pointer;
}