/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #1c4a62;
  --navy-dk: #12303f;
  --navy-lt: #e8f1f5;
  --green:   #3fc495;
  --green-lt:#d6f5eb;
  --sand:    #f7f4ef;
  --warn:    #fff7e0;
  --warn-tx: #92600a;
  --gray-1:  #f5f5f3;
  --gray-2:  #e8e6e1;
  --gray-3:  #a8a49d;
  --gray-4:  #6b6762;
  --dark:    #1e1c1a;
  --white:   #ffffff;
  --radius:  10px;
  --shadow:  0 2px 12px rgba(28,74,98,.08);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--sand);
  color: var(--dark);
  min-height: 100vh;
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  background: var(--navy);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,.18);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  height: 100%;
  max-width: 310px;
  overflow: hidden;
}

.logo-img {
  max-height: 78px;
  max-width: 280px;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
}

.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--green);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg { width: 18px; height: 18px; fill: white; }

.logo-text { line-height: 1.2; }
.logo-text .brand { font-family: 'DM Serif Display', serif; font-size: 15px; color: white; }
.logo-text .sub   { font-size: 10px; color: rgba(255,255,255,.55); letter-spacing: .04em; }

.header-badge {
  font-size: 11px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.15);
}

/* ============================================================
   LAYOUT
============================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 28px 72px;
}

.page-title {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 38px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--navy);
  margin-bottom: 8px;
}

.page-sub {
  font-size: 16px;
  color: var(--gray-4);
  margin-bottom: 28px;
}

/* ============================================================
   CARDS
============================================================ */
.card {
  background: var(--white);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-3);
  margin-bottom: 18px;
}

/* ============================================================
   FORM ELEMENTS
============================================================ */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
.g4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }

.field { display: flex; flex-direction: column; gap: 5px; }

.field label {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-4);
}

.field input,
.field select {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  border: 1px solid var(--gray-2);
  border-radius: 7px;
  background: var(--gray-1);
  color: var(--dark);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
}

.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%231c4a62' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px 16px;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--navy);
  background-color: var(--white);
  box-shadow: 0 0 0 3px rgba(28,74,98,.08);
}

.note {
  font-size: 11px;
  color: var(--gray-3);
  margin-top: 6px;
  line-height: 1.5;
}

/* ============================================================
   SKEMA PICKER
============================================================ */
.skema-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.skema-btn {
  padding: 18px;
  border: 1.5px solid var(--gray-2);
  border-radius: var(--radius);
  background: var(--gray-1);
  cursor: pointer;
  text-align: left;
  transition: all .15s;
}

.skema-btn:hover { border-color: var(--navy); background: var(--navy-lt); }

.skema-btn.active {
  border-color: var(--navy);
  background: var(--navy-lt);
  box-shadow: 0 0 0 3px rgba(28,74,98,.1);
}

.sk-icon { font-size: 20px; margin-bottom: 6px; }
.sk-name { font-size: 16px; font-weight: 700; color: var(--dark); }
.sk-desc { font-size: 13px; color: var(--gray-4); margin-top: 5px; line-height: 1.45; }
.skema-btn.active .sk-name { color: var(--navy); }

.skema-section { display: none; }
.skema-section.show { display: block; }

/* ============================================================
   JENJANG
============================================================ */
.jenjang-row {
  display: grid;
  grid-template-columns: 90px 1fr 1fr auto;
  gap: 8px;
  align-items: end;
  margin-bottom: 8px;
}

.btn-add {
  font-size: 12px;
  font-family: 'DM Sans', sans-serif;
  padding: 7px 14px;
  border: 1px dashed var(--gray-2);
  border-radius: 7px;
  background: transparent;
  color: var(--gray-4);
  cursor: pointer;
  transition: .15s;
}
.btn-add:hover { border-color: var(--navy); color: var(--navy); background: var(--navy-lt); }

.btn-del {
  width: 30px; height: 30px;
  border: none; background: transparent;
  color: var(--gray-3); cursor: pointer;
  font-size: 18px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  transition: .15s;
}
.btn-del:hover { background: #fee2e2; color: #dc2626; }

/* ============================================================
   INFO / WARN BOXES
============================================================ */
.info-box {
  background: var(--navy-lt);
  border-left: 3px solid var(--navy);
  border-radius: 0 7px 7px 0;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--navy);
  margin-top: 12px;
  line-height: 1.5;
}

.warn-box {
  background: var(--warn);
  border-left: 3px solid #f59e0b;
  border-radius: 0 7px 7px 0;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--warn-tx);
  margin-bottom: 10px;
  line-height: 1.5;
}

#warn-area:not(:empty) {
  margin-bottom: 16px;
}

/* ============================================================
   BUTTONS
============================================================ */
.btn-calc {
  width: 100%;
  padding: 16px;
  font-size: 17px;
  font-weight: 600;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--navy);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s, transform .1s;
  letter-spacing: .01em;
}
.btn-calc:hover  { background: var(--navy-dk); }
.btn-calc:active { transform: scale(.99); }

.btn-pdf {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px;
  font-size: 13px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  background: white;
  color: var(--dark);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  cursor: pointer;
  margin-top: 10px;
  transition: .15s;
}
.btn-pdf:hover { background: var(--gray-1); border-color: var(--gray-3); }

/* ============================================================
   HASIL
============================================================ */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.mcard {
  background: var(--gray-1);
  border: 1px solid var(--gray-2);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-width: 0; /* penting biar angka tidak overflow grid */
}
.mcard.accent { background: var(--navy-lt); border-color: #c0d8e4; }

.mcard .ml { font-size: 11px; color: var(--gray-4); margin-bottom: 4px; }
.mcard .mv {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.3;
  word-break: break-word;   /* angka panjang tetap di dalam card */
  overflow-wrap: break-word;
}
.mcard.accent .mv { color: var(--navy); }
.mcard .ms { font-size: 10px; color: var(--gray-3); margin-top: 3px; }

/* ============================================================
   TABLE
============================================================ */
.tbl-wrap { overflow-x: auto; }

table {
  width: 100%;
  font-size: 12.5px;
  border-collapse: collapse;
}

thead tr { background: var(--navy); }
thead th {
  text-align: left;
  padding: 9px 10px;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  white-space: nowrap;
}

tbody tr { border-bottom: 1px solid var(--gray-2); }
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--gray-1); }
tbody tr:hover { background: var(--navy-lt); }
td { padding: 8px 10px; color: var(--dark); }

.badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 500;
  display: inline-block;
}
.badge-fixed   { background: var(--navy-lt); color: var(--navy); }
.badge-float   { background: var(--gray-1);  color: var(--gray-4); border: 1px solid var(--gray-2); }
.badge-syariah { background: #d1fae5; color: #065f46; }
.badge-cash    { background: #fef3c7; color: #92600a; }

/* ============================================================
   BI RATE PILLS
============================================================ */
.rate-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.rate-pill {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--gray-1);
  border: 1px solid var(--gray-2);
  color: var(--gray-4);
}
.rate-pill b { color: var(--dark); }

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  text-align: center;
  padding: 20px;
  font-size: 11px;
  color: var(--gray-3);
  border-top: 1px solid var(--gray-2);
}

/* ============================================================
   HIDDEN
============================================================ */
.hidden { display: none !important; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 600px) {
  html { font-size: 15px; }
  .container { padding: 24px 16px 56px; }
  .card { padding: 20px; margin-bottom: 16px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .skema-grid { grid-template-columns: 1fr; }
  .jenjang-row { grid-template-columns: 80px 1fr 1fr auto; }
  .page-title { font-size: 32px; }
  .page-sub { font-size: 14px; }
  .field label { font-size: 12px; }
  .field input,
  .field select { font-size: 14px; padding: 10px 12px; }
  .field select { padding-right: 40px; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .logo-img { max-height: 60px; max-width: 165px; }
  .header-badge {
    display: inline-flex;
    font-size: 10px;
    padding: 4px 8px;
    white-space: nowrap;
  }
}