:root{
  --p1:#5d1c69;
  --p2:#424dc7;
  --p3:#7c3aed;
  --bg:#f4f2fb;
  --surface:#ffffff;
  --text:#241533;
  --muted:#7a6f8c;
  --border:#e8e3f3;
  --success:#16a34a;
  --success-bg:#e9f8ef;
  --danger:#dc2626;
  --danger-bg:#fdecec;
  --warn:#d97706;
  --warn-bg:#fff4e3;
  --radius:16px;
  --shadow:0 8px 24px -8px rgba(93,28,105,.18);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}
h1,h2,h3,h4,.brand,.btn,.navlabel{font-family:'Poppins',sans-serif;}
button{font-family:inherit;cursor:pointer;}
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:#d9d2ec;border-radius:8px;}

/* ---------- LOGIN ---------- */
#login-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--p1) 0%, var(--p2) 100%);
  padding:20px;
}
.login-card{
  background:var(--surface);border-radius:24px;width:100%;max-width:420px;
  padding:36px 32px;box-shadow:0 30px 60px -20px rgba(0,0,0,.4);
}
.login-logo{
  width:64px;height:64px;border-radius:18px;
  background:linear-gradient(135deg,var(--p1),var(--p2));
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
  box-shadow:var(--shadow);
}
.login-title{text-align:center;font-size:22px;font-weight:800;margin:0 0 4px;
  background:linear-gradient(135deg,var(--p1),var(--p2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.login-sub{text-align:center;color:var(--muted);font-size:13px;margin:0 0 24px;}
.role-tabs{display:flex;background:var(--bg);border-radius:12px;padding:4px;margin-bottom:20px;}
.role-tab{flex:1;text-align:center;padding:10px;border:none;background:transparent;border-radius:9px;font-weight:600;font-size:13px;color:var(--muted);transition:.2s;}
.role-tab.active{background:var(--surface);color:var(--p1);box-shadow:0 2px 8px rgba(93,28,105,.15);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px;}
.field select,.field input{
  width:100%;padding:11px 13px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;
  background:#fbfaff;outline:none;transition:.2s;
}
.field select:focus,.field input:focus{border-color:var(--p2);background:#fff;}
.btn-primary{
  width:100%;padding:12px;border:none;border-radius:10px;color:#fff;font-weight:700;font-size:14px;
  background:linear-gradient(135deg,var(--p1),var(--p2));box-shadow:0 8px 20px -6px rgba(66,77,199,.5);
  margin-top:6px;transition:.2s;
}
.btn-primary:hover{transform:translateY(-1px);}
.login-error{color:var(--danger);font-size:12.5px;text-align:center;margin-top:10px;min-height:16px;}
.login-hint{margin-top:18px;padding:12px;border-radius:10px;background:var(--bg);font-size:11.5px;color:var(--muted);line-height:1.6;}

/* ---------- APP SHELL ---------- */
#app-shell{min-height:100vh;}
.sidebar{
  width:250px;min-height:100vh;position:fixed;left:0;top:0;
  background:linear-gradient(160deg,var(--p1) 0%, var(--p2) 100%);
  padding:22px 16px;display:flex;flex-direction:column;z-index:20;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;padding:0 8px 22px;}
.brand-badge{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;}
.brand-text b{display:block;font-size:15px;}
.brand-text span{display:block;font-size:10.5px;opacity:.7;}
.nav-item{
  display:flex;align-items:center;gap:11px;color:rgba(255,255,255,.82);padding:11px 12px;border-radius:11px;
  font-size:13.5px;font-weight:500;margin-bottom:3px;border:none;background:transparent;width:100%;text-align:left;transition:.15s;
}
.nav-item svg{flex-shrink:0;width:18px;height:18px;}
.nav-item:hover{background:rgba(255,255,255,.1);color:#fff;}
.nav-item.active{background:rgba(255,255,255,.94);color:var(--p1);font-weight:700;box-shadow:0 6px 14px rgba(0,0,0,.15);}
.nav-section{margin-top:14px;}
.nav-title{color:rgba(255,255,255,.5);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:0 12px;margin-bottom:6px;}
.sidebar-foot{margin-top:auto;padding-top:10px;}

.main{margin-left:250px;min-height:100vh;}
.topbar{
  background:var(--surface);padding:16px 30px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;
}
.topbar h2{margin:0;font-size:19px;}
.topbar .sub{color:var(--muted);font-size:12.5px;margin-top:2px;}
.user-chip{display:flex;align-items:center;gap:10px;background:var(--bg);padding:6px 14px 6px 6px;border-radius:30px;}
.user-chip img,.avatar-fallback{width:32px;height:32px;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,var(--p1),var(--p2));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;}
.content{padding:26px 30px 50px;}

/* ---------- COMPONENTS ---------- */
.card{background:var(--surface);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);border:1px solid var(--border);}
.card + .card{margin-top:20px;}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.card-head h3{margin:0;font-size:15.5px;}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px;}
.stat-card{background:var(--surface);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);border:1px solid var(--border);position:relative;overflow:hidden;}
.stat-card .icn{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;}
.stat-card .val{font-size:22px;font-weight:800;font-family:'Poppins';}
.stat-card .lbl{font-size:12px;color:var(--muted);margin-top:2px;}

.btn{border:none;border-radius:9px;padding:9px 16px;font-size:13px;font-weight:600;transition:.15s;display:inline-flex;align-items:center;gap:6px;}
.btn svg{width:15px;height:15px;}
.btn-grad{background:linear-gradient(135deg,var(--p1),var(--p2));color:#fff;box-shadow:0 6px 14px -4px rgba(66,77,199,.5);}
.btn-grad:hover{transform:translateY(-1px);}
.btn-ghost{background:var(--bg);color:var(--text);}
.btn-ghost:hover{background:#e9e4f7;}
.btn-danger{background:var(--danger-bg);color:var(--danger);}
.btn-danger:hover{background:#fbdada;}
.btn-sm{padding:6px 11px;font-size:12px;}
.btn-icon{padding:7px;border-radius:8px;}

table{width:100%;border-collapse:collapse;font-size:13.5px;}
th{text-align:left;color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;padding:10px 12px;border-bottom:1.5px solid var(--border);}
td{padding:11px 12px;border-bottom:1px solid var(--border);vertical-align:middle;}
tr:last-child td{border-bottom:none;}
.table-wrap{overflow-x:auto;}
.pill{padding:4px 11px;border-radius:20px;font-size:11.5px;font-weight:700;display:inline-block;}
.pill-lunas{background:var(--success-bg);color:var(--success);}
.pill-belum{background:var(--warn-bg);color:var(--warn);}
.pill-berat{background:var(--danger-bg);color:var(--danger);}
.pill-sedang{background:var(--warn-bg);color:var(--warn);}
.pill-ringan{background:#e8ecfb;color:var(--p2);}
.empty{text-align:center;padding:40px 20px;color:var(--muted);font-size:13.5px;}
.avatar-sm{width:34px;height:34px;border-radius:50%;object-fit:cover;flex-shrink:0;}
.row-flex{display:flex;align-items:center;gap:10px;}
.search-box{position:relative;flex:1;max-width:320px;}
.search-box input{width:100%;padding:9px 13px 9px 34px;border:1.5px solid var(--border);border-radius:9px;font-size:13px;background:var(--bg);outline:none;}
.search-box svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--muted);}

/* modal */
.modal-bg{display:none;position:fixed;inset:0;background:rgba(36,21,51,.55);z-index:100;align-items:center;justify-content:center;padding:20px;}
.modal-bg.show{display:flex;}
.modal{background:#fff;border-radius:18px;max-width:480px;width:100%;max-height:88vh;overflow-y:auto;padding:26px;box-shadow:0 40px 80px -20px rgba(0,0,0,.4);}
.modal h3{margin:0 0 18px;font-size:17px;}
.modal .field label{font-size:12.5px;}
.modal-actions{display:flex;gap:10px;margin-top:18px;justify-content:flex-end;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.avatar-upload{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.avatar-upload .preview{width:64px;height:64px;border-radius:14px;object-fit:cover;background:var(--bg);border:1.5px dashed var(--border);}

/* siswa dashboard */
.profile-hero{
  text-align:center;padding:34px 20px 26px;background:linear-gradient(150deg,var(--p1),var(--p2));border-radius:20px;color:#fff;margin-bottom:22px;position:relative;overflow:hidden;
}
.profile-hero img,.profile-hero .fallback{width:92px;height:92px;border-radius:50%;object-fit:cover;border:4px solid rgba(255,255,255,.5);margin:0 auto 14px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.25);font-size:30px;font-weight:800;}
.profile-hero h2{margin:0;font-size:19px;}
.profile-hero p{margin:4px 0 0;font-size:12.5px;opacity:.85;}

.toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:#fff;padding:13px 20px;border-radius:11px;font-size:13.5px;font-weight:500;box-shadow:0 12px 30px rgba(0,0,0,.3);z-index:300;display:flex;align-items:center;gap:8px;animation:toastin .25s ease;}
@keyframes toastin{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.detail-item{background:var(--bg);padding:12px 14px;border-radius:11px;}
.detail-item .k{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;margin-bottom:3px;}
.detail-item .v{font-size:13.5px;font-weight:600;}

@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:.25s;box-shadow:20px 0 40px rgba(0,0,0,.2);}
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;}
  .detail-grid{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  #menu-toggle{display:flex !important;}
}
#menu-toggle{display:none;background:var(--bg);border:none;border-radius:9px;padding:8px;margin-right:6px;}
.overlay-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:19;}
.overlay-bg.show{display:block;}