/* ==========================================================================
   Buku Induk Siswa Madrasah — Design System
   Palette: emerald/teal madrasah + amber aksen, netral slate
   ========================================================================== */
:root{
  --brand-50:#ecfdf5; --brand-100:#d1fae5; --brand-200:#a7f3d0;
  --brand-400:#34d399; --brand-500:#10b981; --brand-600:#059669; --brand-700:#047857; --brand-800:#065f46; --brand-900:#064e3b;
  --accent:#f59e0b; --accent-soft:#fef3c7;
  --ink:#0f172a; --muted:#64748b; --line:#e2e8f0; --bg:#f4f7f9; --card:#ffffff;
  --radius:16px; --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow:0 10px 25px -12px rgba(15,23,42,.18), 0 4px 10px -6px rgba(15,23,42,.08);
  --shadow-lg:0 25px 50px -20px rgba(6,78,59,.35);
  --sidebar-w:262px;
  --font:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font); background:var(--bg); color:var(--ink);
  font-size:14.5px; line-height:1.55; -webkit-font-smoothing:antialiased;
}
a{color:var(--brand-700);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .35rem;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h1{font-size:1.5rem} h2{font-size:1.2rem} h3{font-size:1.02rem}
p{margin:.25rem 0 .75rem}
img{max-width:100%}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:20px;border:2px solid var(--bg)}

/* ---------------- Layout ---------------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w); flex:0 0 var(--sidebar-w); position:fixed; inset:0 auto 0 0; z-index:60;
  background:linear-gradient(180deg,#064e3b 0%,#065f46 45%,#043c2c 100%);
  color:#d1fae5; display:flex; flex-direction:column; transition:transform .28s ease;
  box-shadow:inset -1px 0 0 rgba(255,255,255,.06);
}
.sidebar__brand{display:flex;gap:.7rem;align-items:center;padding:1.1rem 1.15rem .95rem}
.sidebar__logo{
  width:42px;height:42px;border-radius:12px;flex:0 0 42px;display:grid;place-items:center;
  background:linear-gradient(145deg,#10b981,#0d9488); color:#fff; font-weight:800; font-size:1rem;
  box-shadow:0 8px 18px -8px rgba(16,185,129,.9);
}
.sidebar__title{font-weight:700;font-size:.95rem;color:#fff;line-height:1.2}
.sidebar__sub{font-size:.72rem;color:#6ee7b7;letter-spacing:.06em;text-transform:uppercase}
.sidebar__nav{flex:1;overflow-y:auto;padding:.4rem .7rem 1.2rem}
.sidebar__group{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:#6ee7b7;opacity:.8;
  padding:1rem .55rem .35rem;font-weight:700}
.sidebar__link{
  display:flex;align-items:center;gap:.65rem;padding:.6rem .7rem;border-radius:10px;
  color:#d1fae5;font-size:.875rem;font-weight:500;margin-bottom:2px;text-decoration:none;
  transition:background .18s ease, color .18s ease, transform .12s ease;
}
.sidebar__link:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.sidebar__link.active{background:#fff;color:var(--brand-800);font-weight:700;box-shadow:0 8px 18px -12px #000}
.sidebar__link svg{width:18px;height:18px;flex:0 0 18px;opacity:.95}
.sidebar__foot{padding:.8rem 1rem;border-top:1px solid rgba(255,255,255,.1);font-size:.72rem;color:#a7f3d0}

.main{flex:1;min-width:0;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:.85rem;
  padding:.7rem 1.35rem;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar__title{font-weight:700;font-size:.95rem}
.topbar__title small{display:block;font-weight:500;color:var(--muted);font-size:.74rem}
.topbar__spacer{flex:1}
.icon-btn{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--muted);transition:.18s;
}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-200);background:var(--brand-50)}
.avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.8rem;
  background:linear-gradient(145deg,var(--brand-500),#0d9488);color:#fff;
}
.user-chip{display:flex;align-items:center;gap:.6rem;padding:.25rem .6rem .25rem .25rem;border:1px solid var(--line);
  border-radius:40px;background:#fff}
.user-chip__meta{font-size:.78rem;line-height:1.15}
.user-chip__meta strong{display:block;font-size:.82rem}
.user-chip__meta span{color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em}
.content{padding:1.35rem 1.35rem 2.5rem;flex:1}
.page-head{display:flex;flex-wrap:wrap;gap:.8rem;align-items:flex-end;justify-content:space-between;margin-bottom:1.1rem}
.page-head p{color:var(--muted);margin:0;font-size:.85rem}
.breadcrumb{font-size:.75rem;color:var(--muted);margin-bottom:.3rem}
.breadcrumb a{color:var(--muted)}

/* ---------------- Cards ---------------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card__head{padding:.9rem 1.15rem;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}
.card__head h2,.card__head h3{margin:0;font-size:.98rem}
.card__head .spacer{flex:1}
.card__body{padding:1.15rem}
.card__body.tight{padding:.6rem}
.card__foot{padding:.8rem 1.15rem;border-top:1px solid var(--line);background:#fafcfb;border-radius:0 0 var(--radius) var(--radius)}

.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-sidebar{grid-template-columns:minmax(0,2.1fr) minmax(0,1fr)}

/* ---------------- Stat cards ---------------- */
.stat{position:relative;overflow:hidden;padding:1.05rem 1.1rem;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.stat__label{font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700}
.stat__value{font-size:1.9rem;font-weight:800;letter-spacing:-.03em;margin:.15rem 0 0;line-height:1.1}
.stat__meta{font-size:.76rem;color:var(--muted)}
.stat__icon{position:absolute;right:.9rem;top:.9rem;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand-700)}
.stat--amber .stat__icon{background:var(--accent-soft);color:#b45309}
.stat--sky .stat__icon{background:#e0f2fe;color:#0369a1}
.stat--violet .stat__icon{background:#ede9fe;color:#6d28d9}
.stat::after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--brand-500),#14b8a6)}
.stat--amber::after{background:linear-gradient(90deg,#f59e0b,#fbbf24)}
.stat--sky::after{background:linear-gradient(90deg,#0ea5e9,#38bdf8)}
.stat--violet::after{background:linear-gradient(90deg,#8b5cf6,#a78bfa)}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;gap:.45rem;justify-content:center;
  padding:.55rem .95rem;border-radius:11px;border:1px solid transparent;background:var(--brand-600);color:#fff;
  font-weight:600;font-size:.83rem;cursor:pointer;transition:.18s;font-family:inherit;white-space:nowrap;
}
.btn:hover{background:var(--brand-700);text-decoration:none;color:#fff;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn svg{width:16px;height:16px}
.btn--light{background:#fff;color:var(--brand-700);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn--light:hover{background:var(--brand-50);color:var(--brand-800);border-color:var(--brand-200)}
.btn--ghost{background:transparent;color:var(--muted);border-color:transparent}
.btn--ghost:hover{background:#f1f5f9;color:var(--ink)}
.btn--danger{background:#e11d48}
.btn--danger:hover{background:#be123c}
.btn--amber{background:var(--accent);color:#422006}
.btn--amber:hover{background:#d97706;color:#fff}
.btn--sm{padding:.35rem .65rem;font-size:.76rem;border-radius:9px}
.btn--block{width:100%}
.btn-group{display:flex;gap:.4rem;flex-wrap:wrap}

/* ---------------- Forms ---------------- */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem 1rem}
.form-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.form-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.field{display:flex;flex-direction:column;gap:.3rem;min-width:0}
.field--full{grid-column:1/-1}
.field label{font-size:.78rem;font-weight:600;color:#334155}
.field label .req{color:#e11d48}
.field .hint{font-size:.72rem;color:var(--muted)}
input[type=text],input[type=number],input[type=date],input[type=email],input[type=password],input[type=tel],
input[type=search],input[type=file],select,textarea{
  width:100%;padding:.55rem .7rem;border:1px solid var(--line);border-radius:10px;background:#fff;
  font-family:inherit;font-size:.85rem;color:var(--ink);transition:.16s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(16,185,129,.14)}
input:disabled,select:disabled,textarea:disabled{background:#f8fafc;color:var(--muted)}
textarea{min-height:82px;resize:vertical}
select[multiple]{min-height:120px}
.check{display:inline-flex;align-items:center;gap:.45rem;font-size:.84rem}
.check input{width:16px;height:16px;accent-color:var(--brand-600)}
.form-section{border:1px dashed var(--line);border-radius:12px;padding:1rem;background:#fcfefd}
.form-section__title{display:flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;color:var(--brand-700);margin-bottom:.8rem}
.form-section__title::before{content:'';width:4px;height:16px;border-radius:4px;background:var(--brand-500)}

/* ---------------- Tables ---------------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius-sm)}
table.table{width:100%;border-collapse:collapse;font-size:.83rem;background:#fff}
table.table th{
  text-align:left;padding:.6rem .7rem;background:#f8fafc;color:#475569;font-weight:700;
  font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.table td{padding:.58rem .7rem;border-bottom:1px solid #eef2f6;vertical-align:middle}
table.table tbody tr:hover{background:#f7fdfa}
table.table tbody tr:last-child td{border-bottom:none}
.table--compact td,.table--compact th{padding:.4rem .55rem}
.num{text-align:center;font-variant-numeric:tabular-nums}
.table-actions{display:flex;gap:.3rem;justify-content:flex-end}
.avatar-sm{width:32px;height:32px;border-radius:9px;object-fit:cover;background:var(--brand-100);color:var(--brand-800);
  display:grid;place-items:center;font-weight:700;font-size:.72rem;flex:0 0 32px}
.person{display:flex;align-items:center;gap:.6rem;min-width:0}
.person__meta{min-width:0}
.person__meta strong{display:block;font-size:.83rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.person__meta span{color:var(--muted);font-size:.72rem}

/* ---------------- Badges & alerts ---------------- */
.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.22rem .55rem;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.02em}
.badge-success{background:#d1fae5;color:#065f46}
.badge-info{background:#dbeafe;color:#1e40af}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-danger{background:#ffe4e6;color:#9f1239}
.badge-secondary{background:#e2e8f0;color:#334155}
.badge-primary{background:#e0e7ff;color:#3730a3}
.alert{display:flex;gap:.65rem;align-items:flex-start;padding:.8rem .95rem;border-radius:12px;font-size:.84rem;
  margin-bottom:.9rem;border:1px solid transparent;box-shadow:var(--shadow-sm)}
.alert svg{width:18px;height:18px;flex:0 0 18px;margin-top:1px}
.alert-success{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.alert-danger{background:#fff1f2;border-color:#fecdd3;color:#9f1239}
.alert-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}
.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}

/* ---------------- Tabs ---------------- */
.tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--line);margin-bottom:1rem;overflow-x:auto}
.tabs button{
  padding:.6rem .85rem;border:none;background:transparent;font-family:inherit;font-size:.83rem;font-weight:600;
  color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;
}
.tabs button.active{color:var(--brand-700);border-bottom-color:var(--brand-500)}
.tab-pane{display:none}
.tab-pane.active{display:block;animation:fade .22s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------------- Filter bar ---------------- */
.filter{display:flex;gap:.6rem;flex-wrap:wrap;align-items:flex-end}
.filter .field{min-width:150px;flex:1}
.filter .field--narrow{max-width:150px;flex:0 0 150px}

/* ---------------- Pagination ---------------- */
.pagination{display:flex;gap:.25rem;flex-wrap:wrap;align-items:center}
.pagination a,.pagination span{padding:.35rem .6rem;border-radius:8px;border:1px solid var(--line);font-size:.78rem;
  background:#fff;color:#475569}
.pagination .current{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:700}
.pagination .disabled{opacity:.45}
.pagination-info{font-size:.76rem;color:var(--muted);margin-left:auto}

/* ---------------- Misc ---------------- */
.empty{text-align:center;padding:2.2rem 1rem;color:var(--muted)}
.empty svg{width:44px;height:44px;color:#cbd5e1;margin-bottom:.5rem}
.muted{color:var(--muted)}
.small{font-size:.78rem}
.tiny{font-size:.72rem}
.nowrap{white-space:nowrap}
.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}
.flex{display:flex}.flex-center{display:flex;align-items:center}.gap-1{gap:.5rem}.gap-2{gap:1rem}
.between{justify-content:space-between}.wrap{flex-wrap:wrap}
.divider{height:1px;background:var(--line);margin:1rem 0}
.kv{display:grid;grid-template-columns:150px 1fr;gap:.35rem .8rem;font-size:.84rem}
.kv dt{color:var(--muted);font-weight:600}
.kv dd{margin:0}
.profile-card{text-align:center;padding:1.4rem 1rem}
.profile-card__photo{width:96px;height:96px;border-radius:24px;object-fit:cover;margin:0 auto .8rem;
  border:3px solid #fff;box-shadow:0 12px 26px -14px rgba(6,78,59,.7);background:var(--brand-100);
  display:grid;place-items:center;font-size:1.8rem;font-weight:800;color:var(--brand-800)}
.progress{height:7px;background:#eef2f6;border-radius:20px;overflow:hidden}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand-500),#14b8a6);border-radius:20px}
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:55;backdrop-filter:blur(2px)}
.overlay-open .sidebar-backdrop{display:block}

/* ---------------- Login ---------------- */
.auth{
  min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;background:#fff;
}
.auth__aside{
  position:relative;overflow:hidden;padding:3rem 2.6rem;color:#ecfdf5;display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(1200px 600px at 10% 0%,#0f766e 0%,#064e3b 45%,#032b21 100%);
}
.auth__aside::before{
  content:'';position:absolute;inset:auto -20% -40% -10%;height:120%;
  background:radial-gradient(circle at 30% 30%, rgba(16,185,129,.35), transparent 60%);
}
.auth__pattern{position:absolute;inset:0;opacity:.10;
  background-image:radial-gradient(circle at 20% 30%, #fff 1.5px, transparent 1.6px),
                   radial-gradient(circle at 70% 70%, #fff 1.5px, transparent 1.6px);
  background-size:46px 46px,64px 64px;}
.auth__aside h1{font-size:2.05rem;line-height:1.18;color:#fff;position:relative}
.auth__aside p{color:#a7f3d0;position:relative;max-width:38ch}
.auth__brand{display:flex;align-items:center;gap:.75rem;position:relative}
.auth__logo{width:46px;height:46px;border-radius:13px;background:rgba(255,255,255,.14);display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.25);font-weight:800;color:#fff}
.auth__features{position:relative;display:grid;gap:.6rem;margin-top:1.6rem}
.auth__feature{display:flex;gap:.6rem;align-items:center;font-size:.85rem;color:#d1fae5}
.auth__feature svg{width:18px;height:18px;color:#6ee7b7;flex:0 0 18px}
.auth__main{display:flex;align-items:center;justify-content:center;padding:2.4rem 1.4rem;background:#fbfdfc}
.auth__form{width:100%;max-width:390px}
.auth__form h2{font-size:1.45rem}
.demo-accounts{font-size:.75rem;color:var(--muted);background:#f1f5f9;border:1px dashed #cbd5e1;border-radius:10px;padding:.6rem .7rem;margin-top:1rem}

/* ---------------- Print ---------------- */
@media print{
  .sidebar,.topbar,.no-print,.btn,.pagination{display:none !important}
  .main{margin:0}
  .content{padding:0}
  body{background:#fff;font-size:11pt}
  .card{box-shadow:none;border:1px solid #000}
  a{color:#000;text-decoration:none}
  .page-break{page-break-before:always}
}

/* ---------------- Responsive ---------------- */
@media (max-width:1180px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-sidebar{grid-template-columns:1fr}
}
@media (max-width:980px){
  .auth{grid-template-columns:1fr}
  .auth__aside{display:none}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid--3,.form-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:820px){
  .sidebar{transform:translateX(-100%)}
  .overlay-open .sidebar{transform:none}
  .main{margin-left:0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-grid,.form-grid--3,.form-grid--4{grid-template-columns:1fr}
  .content{padding:1rem .85rem 2rem}
  .kv{grid-template-columns:120px 1fr}
  .user-chip__meta{display:none}
  .topbar{padding:.6rem .85rem}
}
@media (min-width:821px){ .sidebar-toggle{display:none} }