/* Modern, attractive styles for Web Siswa */
:root{
  --bg:#f4f7fb;
  --card:#ffffff;
  --accent:#2563eb;
  --accent-2:#06b6d4;
  --muted:#6b7280;
  --border:#e6e9ef;
  --success:#10b981;
  --danger:#ef4444;
}
*{box-sizing:border-box}
body{font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; background:linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%); color:#0f172a; margin:0; padding:28px}
.container{max-width:1100px;margin:0 auto;background:transparent}
h1{font-size:1.6rem;margin:0 0 16px;letter-spacing:0.2px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px;box-shadow:0 8px 30px rgba(15,23,42,0.06);transition:transform .14s ease,box-shadow .14s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(15,23,42,0.08)}
form{display:block}
label{display:block;margin:12px 0;font-size:0.95rem;color:var(--muted)}
input[type="text"], textarea, input[type="password"], select{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:0.95rem}
input[type="date"]{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:0.95rem;color:inherit}
input[type="date"]:focus{outline:none;box-shadow:0 6px 20px rgba(37,99,235,0.08)}
/* improve calendar icon appearance */
input[type="date"]::-webkit-calendar-picker-indicator{cursor:pointer;padding:6px;filter:grayscale(20%)}
textarea{resize:vertical}
.select{appearance:none;-webkit-appearance:none;position:relative;padding-right:40px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) calc(50% - 3px),calc(100% - 13px) calc(50% - 3px);background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.select:focus{outline:none;box-shadow:0 6px 20px rgba(37,99,235,0.08)}
.actions{margin-top:14px}
button{background:var(--accent);color:#fff;border:none;padding:10px 14px;border-radius:10px;cursor:pointer;font-weight:700;box-shadow:0 6px 18px rgba(37,99,235,0.12)}
button:hover{transform:translateY(-1px)}
a.button{display:inline-block;background:#fff;color:var(--accent);padding:9px 12px;border-radius:10px;border:1px solid var(--border);text-decoration:none;font-weight:700}
a.button:hover{filter:brightness(0.98)}
table{width:100%;border-collapse:collapse;margin-top:12px}
th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left}
th{background:#fafafa;font-weight:800}
tbody tr:nth-child(odd) td{background:linear-gradient(180deg, #fff 0%, #fbfdff 100%)}
tr:hover td{background:linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%)}
.muted{color:var(--muted);font-size:0.9rem}
@media (max-width:640px){
  body{padding:12px}
  .card{padding:14px}
  th,td{font-size:0.92rem;padding:8px}
}

/* Sidebar layout */
.app{display:flex;gap:22px;align-items:flex-start}
.sidebar{width:240px;flex:0 0 240px}
.sidebar .card{padding:14px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:#0f172a;text-decoration:none;margin:8px 0;border:1px solid transparent;font-weight:600}
.nav a:hover{background:linear-gradient(90deg,#f3f6ff,#f7fbff);border-color:var(--border)}
.nav a svg{width:18px;height:18px;flex:0 0 18px}
.nav a span{display:inline-block}
.nav a.active{background:linear-gradient(90deg,#eef2ff,#f8fbff);border-color:var(--border);color:var(--accent);font-weight:800}
.main{flex:1}

@media (max-width:800px){
  .app{flex-direction:column}
  .sidebar{width:100%;order:2}
}

/* Modal (popup) */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(2,6,23,0.45);z-index:60;padding:20px}
.modal.show{display:flex}
.modal-card{width:100%;max-width:760px;background:var(--card);border-radius:14px;padding:20px;border:1px solid var(--border);box-shadow:0 20px 50px rgba(2,6,23,0.14)}
.modal-card h2{margin-top:0}
.modal-close{position:absolute;right:18px;top:18px;background:transparent;border:none;font-size:20px;cursor:pointer}

/* Icon buttons for table actions */
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;text-decoration:none}
.icon-btn svg{width:20px;height:20px}
.icon-btn:hover{background:linear-gradient(90deg,#f3f6ff,#f7fbff);color:var(--accent);border-color:var(--border)}
.icon-btn.delete:hover{background:linear-gradient(90deg,#fff0f0,#fff5f5);color:var(--danger)}
.icon-btn.delete{color:var(--danger)}
.icon-btn.edit{color:var(--accent)}

/* Per-aspek buttons (distinct colors + spacing) */
.button.small{padding:8px 10px;font-size:0.86rem;border-radius:8px}
.perk-btn{margin:0 8px 8px 0;padding:8px 12px;border-radius:10px;border:1px solid transparent;cursor:pointer;font-weight:700;box-shadow:0 8px 20px rgba(0,0,0,0.04)}
.perk-btn:hover{transform:translateY(-2px)}
.perk-btn.akademik{background:#1d4ed8;color:#fff;border-color:#1e40af}
.perk-btn.karakter{background:var(--success);color:#fff;border-color:#059669}
.perk-btn.sosial{background:#f59e0b;color:#fff;border-color:#d97706}
.perk-btn.kedisiplinan{background:var(--danger);color:#fff;border-color:#b91c1c}
.perk-btn.potensi{background:#7c3aed;color:#fff;border-color:#6d28d9}

/* ensure table cell wraps buttons nicely */
td > .perk-btn{display:inline-block}

/* Month/Year selector styles */
.month-year{flex-wrap:wrap}
.month-year label{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);padding:8px 12px;border-radius:10px}
.month-year select{border:none;padding:6px 8px;background:transparent;font-weight:700;cursor:pointer}
.month-year select:focus{outline:none;box-shadow:none}
.month-year .info{font-size:0.92rem;color:var(--muted);margin-left:6px}

@media (max-width:520px){
  .month-year{flex-direction:column;align-items:flex-start}
  .month-year label{width:100%}
}

/* Toast / notification */
.toast {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
  color: #111;
  background: #fff;
  font-weight: 600;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 220ms ease, transform 220ms ease;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast--success { background: #16a34a; color: #fff; }
.toast--info { background: #0ea5e9; color: #fff; }
.toast--error { background: #ef4444; color: #fff; }

/* Highlight for search matches */
mark{background:#fff59a;color:inherit;padding:0 4px;border-radius:3px}