:root{
  --bg1:#f4f8ff;
  --bg2:#eaf2ff;
  --card:#ffffff;
  --text:#1e293b;
  --muted:#64748b;
  --line:#e2e8f0;

  --brand1:#2563eb;   /* น้ำเงินสด */
  --brand2:#1d4ed8;   /* น้ำเงินเข้ม */
  --accent:#ef4444;   /* แดงโรงเรียน */
  --soft:#f1f5f9;

  --radius:16px;
  --shadow:0 20px 60px rgba(37,99,235,.12);
}

html,body{height:100%;}
body{
  margin:0;
  font-family:"Sarabun", system-ui, sans-serif;
  background:
    radial-gradient(900px 400px at 20% 10%, rgba(37,99,235,.12), transparent 60%),
    radial-gradient(800px 450px at 80% 90%, rgba(239,68,68,.10), transparent 60%),
    linear-gradient(180deg,var(--bg1),var(--bg2));
  color:var(--text);
}

.app-shell{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.panel{
  width:min(960px,100%);
  border-radius:var(--radius);
  background:var(--card);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.hero{
  padding:18px 22px;
  background:linear-gradient(90deg,var(--brand1),var(--brand2));
  color:#fff;
}

.hero-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}

.hero-left{
  display:flex;
  align-items:center;
  gap:12px;
}

.school-logo{
  width:170px;
  height:70px;
  object-fit:contain;
  border-radius:12px;
  background: rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.22);
  padding:6px;
}

.hero h1{
  margin:0;
  font-size:20px;
  font-weight:800;
  letter-spacing:.2px;
}

.hero-badge{
  background: rgba(255,255,255,.16) !important;
  color:#fff !important;
  border:1px solid rgba(255,255,255,.22);
}

.cardx{
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  padding:20px;
}

.input-light{
  border-radius:12px !important;
  border:1px solid var(--line) !important;
  padding:12px;
  background:#fff !important;
}

.input-light:focus{
  border-color: rgba(37,99,235,.45) !important;
  box-shadow: 0 0 0 .25rem rgba(37,99,235,.12) !important;
}

.btn-brand{
  background: linear-gradient(90deg,var(--brand1),var(--brand2)) !important;
  border:none !important;
  border-radius:12px !important;
  font-weight:700 !important;
  color:#fff !important;
  box-shadow: 0 12px 26px rgba(37,99,235,.20);
}

.btn-brand:hover{ opacity:.96; }
.btn-brand:active{ transform: translateY(1px); }
.btn-brand:focus{
  box-shadow: 0 0 0 .25rem rgba(37,99,235,.20) !important;
}

.badge-soft{
  background:rgba(37,99,235,.12);
  color:var(--brand2);
  padding:6px 12px;
  border-radius:999px;
  font-weight:700;
}

/* ✅ note-card: บังคับเป็นโทนดำ/เทาอ่านง่าย */
.note-card,
.note-card *{
  color: var(--text) !important;
}
.note-card .muted{
  color: var(--muted) !important;
}

/* ✅ text helper สำหรับหน้า Login */
.text-soft{ color: var(--muted) !important; }

/* Profile key-value */
.kv{
  display:grid;
  grid-template-columns: 200px 1fr;
  gap:12px;
}
.kv .k{ color:var(--muted); }
.kv .v{ font-weight:700; }

@media (max-width:768px){
  .kv{grid-template-columns:1fr;}
}

/* ===== Toast Modern 2026 (solid color) ===== */
.toast{
  border-radius:14px !important;
  box-shadow:0 14px 40px rgba(0,0,0,.18);
  overflow:hidden;
  backdrop-filter:none;
}
.toast .toast-body{ padding:12px 14px; }
.toast-ico{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background: rgba(255,255,255,.18);
  border:none;
  flex:0 0 auto;
}
.toast-title{ font-weight:800; line-height:1.1; }
.toast-msg{ opacity:.92; font-size:14px; margin-top:2px; }

.toast-info{ background:#1d4ed8; color:#fff; }
.toast-success{ background:#16a34a; color:#fff; }
.toast-warn{ background:#f59e0b; color:#fff; }
.toast-error{ background:#dc2626; color:#fff; }