:root {
  --bg: #f4f0e8;
  --card: rgba(255,255,255,.88);
  --text: #1a2030;
  --muted: #6b7280;
  --primary: #0f766e;
  --primary2: #115e59;
  --gold: #b9892f;
  --border: rgba(29,36,51,.11);
  --danger: #b42318;
  --warn: #b7791f;
  --ok: #047857;
  --shadow: 0 20px 60px rgba(20,30,60,.11);
  --shadow-sm: 0 4px 18px rgba(20,30,60,.07);
  --radius: 24px;
  --radius-sm: 16px;
}
* { box-sizing: border-box; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(15,118,110,.3); border-radius: 999px; }

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 95% 0%, rgba(15,118,110,.18), transparent),
    radial-gradient(ellipse 60% 40% at 5% 100%, rgba(185,137,47,.15), transparent),
    radial-gradient(ellipse 50% 60% at 50% 50%, rgba(255,255,255,.4), transparent),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.7;
}

/* ── Loading Overlay ── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20,30,60,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}
.loading-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 48px 56px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  max-width: 380px;
}
.loading-card h3 {
  margin: 20px 0 8px;
  font-size: 20px;
  color: var(--primary2);
  font-weight: 900;
}
.loading-card p { color: var(--muted); font-size: 14px; margin: 0; line-height: 1.7; }
.spinner {
  width: 52px; height: 52px;
  border: 5px solid rgba(15,118,110,.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .9s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Layout ── */
.container { width: min(1440px, calc(100% - 48px)); margin: 0 auto; }
header { padding: 40px 0 22px; }

/* ── Hero ── */
.hero { display: grid; grid-template-columns: 1fr 380px; gap: 24px; align-items: stretch; }
.hero-card, .panel, .result-card {
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}
.hero-card {
  padding: 36px 40px;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  border: 50px solid rgba(15,118,110,.06);
  border-radius: 50%;
  left: -120px; top: -120px;
  pointer-events: none;
}
.hero-card::after {
  content: "";
  position: absolute;
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(185,137,47,.09), transparent 70%);
  bottom: -40px; right: -40px;
  pointer-events: none;
}
.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  background: rgba(15,118,110,.1);
  color: var(--primary2);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .3px;
}
h1 {
  margin: 18px 0 12px;
  font-size: clamp(26px, 3.2vw, 50px);
  line-height: 1.18;
  letter-spacing: -1.2px;
  font-weight: 900;
}
.lead { color: var(--muted); font-size: clamp(14px, 1.1vw, 17px); line-height: 1.95; max-width: 680px; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 28px; }
.stat {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.65);
  border: 1px solid var(--border);
  transition: transform .2s, box-shadow .2s;
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.stat strong { display:block; font-size: 18px; color: var(--primary2); font-weight: 900; }
.stat span { font-size: 12px; color: var(--muted); }

/* ── Side note ── */
.side-note { padding: 28px 26px; display: flex; flex-direction: column; gap: 16px; }
.note-title {
  font-size: 17px; font-weight: 900; color: var(--primary2);
  display: flex; align-items: center; gap: 8px;
}
.note-title::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 3px;
  background: var(--gold);
  flex-shrink: 0;
}
.note {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(185,137,47,.1);
  border: 1px solid rgba(185,137,47,.22);
  color: #5a3d0e;
  font-size: 13.5px;
  line-height: 1.85;
}
.mini-list { margin: 0; padding: 0 20px 0 0; color: var(--muted); line-height: 2; font-size: 13.5px; }

/* ── Main grid ── */
main { padding: 20px 0 60px; }
.grid { display: grid; grid-template-columns: 460px 1fr; gap: 26px; align-items: start; }

/* ── Form panel ── */
.panel {
  padding: 28px 26px;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.panel h2 { margin: 0 0 20px; font-size: 20px; font-weight: 900; }
.section-title {
  margin: 24px 0 12px;
  color: var(--primary2);
  font-weight: 900;
  font-size: 13.5px;
  letter-spacing: .5px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: "";
  flex-shrink: 0;
  width: 20px; height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), rgba(185,137,47,.3));
}
label { display: block; margin-bottom: 6px; color: #374151; font-weight: 700; font-size: 13px; }
input, select {
  width: 100%;
  border: 1.5px solid var(--border);
  background: rgba(255,255,255,.92);
  border-radius: 12px;
  padding: 11px 13px;
  color: var(--text);
  outline: none;
  font-size: 14px;
  font-family: inherit;
  transition: border-color .18s, box-shadow .18s;
}
input:focus, select:focus {
  border-color: rgba(15,118,110,.55);
  box-shadow: 0 0 0 4px rgba(15,118,110,.1);
  background: #fff;
}
input:hover, select:hover { border-color: rgba(15,118,110,.3); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.field { margin-bottom: 12px; }
.help { font-size: 12px; color: var(--muted); margin-top: 5px; line-height: 1.6; }
.btns { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
button {
  border: 0;
  border-radius: 12px;
  padding: 12px 20px;
  cursor: pointer;
  font-weight: 800;
  font-size: 14px;
  font-family: inherit;
  transition: transform .15s, box-shadow .15s, filter .15s;
  white-space: nowrap;
}
button:hover { transform: translateY(-2px); filter: brightness(1.05); }
button:active { transform: translateY(0); }
.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: white;
  box-shadow: 0 8px 22px rgba(15,118,110,.28);
  flex: 1;
  min-width: 140px;
}
.secondary { background: rgba(15,118,110,.1); color: var(--primary2); }
.danger { background: rgba(180,35,24,.09); color: var(--danger); }

/* ── Result card ── */
.result-card { padding: 28px 26px; min-height: 480px; }
.result-card > h2 { margin: 0 0 20px; font-size: 20px; font-weight: 900; }

/* ── Summary boxes ── */
.summary { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 20px; }
.summary .box {
  background: rgba(255,255,255,.72);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  transition: box-shadow .2s;
}
.summary .box:hover { box-shadow: var(--shadow-sm); }
.summary .box span { display:block; font-size: 11px; color: var(--muted); margin-bottom: 5px; letter-spacing: .3px; }
.summary .box strong { color: var(--primary2); font-size: 17px; font-weight: 900; }

/* ── Alerts ── */
.alert {
  padding: 13px 16px;
  border-radius: 14px;
  margin: 10px 0;
  line-height: 1.8;
  border: 1px solid;
  font-size: 14px;
}
.alert.warn { background: rgba(183,121,31,.09); border-color: rgba(183,121,31,.25); color: #6a470f; }
.alert.err  { background: rgba(180,35,24,.08);  border-color: rgba(180,35,24,.2);  color: var(--danger); }
.alert.ok   { background: rgba(4,120,87,.08);   border-color: rgba(4,120,87,.2);   color: var(--ok); }

/* ── Tables ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius-sm); }
table { width: 100%; border-collapse: separate; border-spacing: 0 8px; min-width: 560px; }
th {
  text-align: right;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 0 12px 6px;
  white-space: nowrap;
}
td {
  background: rgba(255,255,255,.78);
  padding: 13px 12px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-size: 13.5px;
}
td:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); border-right: 1px solid var(--border); }
td:last-child  { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; border-left: 1px solid var(--border); }
tr:hover td { background: rgba(255,255,255,.96); }

/* ── Tags / Pills ── */
.tag { display:inline-flex; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight:800; background: rgba(15,118,110,.1); color: var(--primary2); }
.pill { display:inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 800; }
.pill.fard  { background: rgba(15,118,110,.12); color: var(--primary2); }
.pill.tasib { background: rgba(185,137,47,.18); color: #6a4a10; }
.pill.mix   { background: linear-gradient(135deg, rgba(15,118,110,.12), rgba(185,137,47,.15)); color: #3a3a1d; }
.pill.block { background: rgba(180,35,24,.1); color: var(--danger); }

/* ── Empty state ── */
.empty { text-align:center; padding: 80px 20px; color: var(--muted); }
.empty .icon { font-size: 52px; margin-bottom: 14px; display: block; }
.empty strong { display: block; font-size: 17px; margin-bottom: 8px; }
.footer-note { color: var(--muted); line-height: 1.8; font-size: 12.5px; margin-top: 18px; border-top: 1px dashed var(--border); padding-top: 14px; }

/* ── Result blocks ── */
.result-block { margin-top: 26px; }
.result-block h3 {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 900;
  color: var(--primary2);
  display: flex;
  align-items: center;
  gap: 10px;
}
.result-block h3::before {
  content: "";
  flex-shrink: 0;
  width: 14px; height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--gold), rgba(185,137,47,.5));
}

/* ── Steps ── */
.steps {
  background: rgba(255,255,255,.65);
  border: 1.5px dashed rgba(15,118,110,.2);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
}
.steps ol { margin: 0; padding-right: 22px; line-height: 2.2; color: #1e2a30; font-size: 13.5px; }
.steps li { padding: 2px 0; }
.steps li code {
  background: rgba(15,118,110,.09);
  color: var(--primary2);
  padding: 2px 8px;
  border-radius: 7px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12.5px;
}

/* ── Siham grid ── */
.siham-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin-top: 10px; }
.siham-grid .sb {
  background: rgba(255,255,255,.8);
  border: 1px solid var(--border);
  padding: 14px 15px;
  border-radius: var(--radius-sm);
  transition: transform .18s, box-shadow .18s;
}
.siham-grid .sb:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.siham-grid .sb span { display:block; font-size: 11.5px; color: var(--muted); margin-bottom: 5px; }
.siham-grid .sb strong { color: var(--primary2); font-size: 15px; font-weight: 900; }

/* ── Breakdown ── */
.breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}
.breakdown div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed rgba(0,0,0,.06);
  padding: 7px 0;
  font-size: 13.5px;
  gap: 12px;
}
.breakdown div span:first-child { color: var(--muted); }
.breakdown div span:last-child  { font-weight: 700; text-align: left; }
.breakdown div:last-child,
.breakdown div:nth-last-child(2) { border-bottom: 0; font-weight: 900; color: var(--primary2); }

/* ── Assets ── */
.asset-wrap {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
  background: rgba(255,255,255,.5);
  transition: background .2s;
}
.asset-wrap:hover { background: rgba(255,255,255,.78); }
.asset-row {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr auto;
  gap: 10px;
  margin-bottom: 8px;
  align-items: end;
}
.asset-row .field { margin-bottom: 0; }
.asset-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

/* ── Checkboxes ── */
.chk {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #374151;
  font-size: 13.5px;
  padding: 8px 0;
  cursor: pointer;
}
.chk input[type=checkbox] { width: 17px; height: 17px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }

/* ── Collapsible ── */
details.coll {
  background: rgba(255,255,255,.55);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: 8px;
  transition: background .2s;
}
details.coll[open] { background: rgba(255,255,255,.88); }
details.coll > summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--primary2);
  font-size: 13.5px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
details.coll > summary::before { content: "▸"; transition: transform .2s; }
details.coll[open] > summary::before { transform: rotate(90deg); }

/* ── Utilities ── */
.muted { color: var(--muted); }
.text-ok { color: var(--ok); }
.text-danger { color: var(--danger); }

/* ── Child detail sub-rows ── */
.child-detail-row td {
  background: rgba(15,118,110,.04);
  font-size: 13px;
  padding: 9px 12px 9px 20px;
  border-top: 1px dashed rgba(15,118,110,.15);
  border-bottom: 0;
  color: var(--muted);
}
.child-detail-row td:first-child { border-right: 3px solid rgba(15,118,110,.25); border-radius: 0; }
.child-detail-row td:last-child { border-radius: 0; }
.child-detail-row strong { color: var(--primary2); }
.expand-btn {
  background: none;
  border: 1.5px solid rgba(15,118,110,.3);
  color: var(--primary2);
  border-radius: 8px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  margin-left: 8px;
  transition: background .15s;
  vertical-align: middle;
  transform: none;
  box-shadow: none;
  white-space: nowrap;
}
.expand-btn:hover { background: rgba(15,118,110,.1); transform: none; filter: none; }

/* ── Divider ── */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); margin: 22px 0; }

/* ─── RESPONSIVE ─── */
@media (min-width: 1441px) { .grid { grid-template-columns: 500px 1fr; } }

@media (max-width: 1200px) {
  .container { width: calc(100% - 36px); }
  .hero { grid-template-columns: 1fr 340px; }
  .grid { grid-template-columns: 400px 1fr; }
}

@media (max-width: 979px) {
  .hero { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .panel { position: static; max-height: none; overflow-y: visible; }
  .summary { grid-template-columns: repeat(2,1fr); }
  .breakdown { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .container { width: calc(100% - 24px); }
  header { padding: 24px 0 14px; }
  .hero-card { padding: 24px 20px; }
  .panel { padding: 20px 18px; }
  .result-card { padding: 20px 18px; }
  h1 { font-size: 28px; letter-spacing: -.5px; }
  .stats { grid-template-columns: repeat(3,1fr); gap: 8px; }
  .stat { padding: 12px; }
  .stat strong { font-size: 15px; }
  .row { grid-template-columns: 1fr 1fr; }
  .btns { flex-direction: column; }
  .btns .primary { flex: none; }
  .asset-row { grid-template-columns: 1fr 1fr; }
  .siham-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}

@media (max-width: 479px) {
  .container { width: calc(100% - 16px); }
  .hero-card, .panel, .result-card { border-radius: var(--radius-sm); }
  .row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats .stat:last-child { grid-column: span 2; }
  .summary { grid-template-columns: 1fr 1fr; }
  .breakdown { grid-template-columns: 1fr; padding: 12px 14px; }
  .asset-row { grid-template-columns: 1fr; }
  h1 { font-size: 24px; }
  button { width: 100%; text-align: center; }
}