/* =======================================================
   OB Gümrük Vergisi Hesaplayıcı (Trendyol Temalı - Mavi)
   ======================================================= */

:root {
  --ob-primary: #2563eb;       /* Canlı Mavi (Ana Renk) */
  --ob-primary-hover: #1d4ed8;
  --ob-dark-bg: #1e293b;       /* Koyu Lacivert/Siyah */
  --ob-dark-surface: #0f172a;
  --ob-light-bg: #f8fafc;
  --ob-border: #e2e8f0;
  --ob-text: #334155;          /* Genel Metin */
  --ob-input-text: #1e293b;    /* Koyu Metin */
  --ob-text-muted: #64748b;    /* Silik Metin */
  --ob-success: #10b981;       /* Kâr/Toplam Yeşili */
  --ob-danger: #ef4444;        /* Hata Kırmızısı */
  --ob-radius: 12px;
  --ob-shadow: none;           /* Gölge Yok */
}

/* ---- Genel Yapı ---- */
.ob-gumruk {
  max-width: 1200px;
  margin: 1.5rem auto; 
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  color: var(--ob-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.ob-gumruk * { box-sizing: border-box; }

.ob-gumruk__title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 1.2rem; 
  color: #1e293b;
  letter-spacing: -0.02em;
  text-align: center;
}

/* ---- Grid Sistemi ---- */
.ob-gumruk__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem; 
  align-items: stretch; 
}

/* ---- Kartlar ---- */
.ob-gumruk__card {
  background: #ffffff;
  border-radius: var(--ob-radius);
  border: 1px solid var(--ob-border);
  box-shadow: var(--ob-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Sol Kart: Form */
.ob-gumruk__grid > .ob-gumruk__card:first-child { 
  padding: 1.25rem; 
}

/* Sağ Kart: Sonuçlar */
.ob-gumruk__grid > .ob-gumruk__card:last-child {
  background: linear-gradient(145deg, var(--ob-dark-bg), var(--ob-dark-surface));
  color: #f1f5f9;
  border: none;
  padding: 1.25rem; 
}

/* ---- Form Bileşenleri ---- */
.ob-gumruk .row { margin-bottom: 0.75rem; }

.ob-gumruk .row.two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.75rem;
}

.ob-gumruk .row__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ob-text);
  margin-bottom: 0.3rem; 
  letter-spacing: 0.01em;
}

.ob-gumruk .hint {
  font-size: 12px;
  color: var(--ob-text-muted);
  margin-top: 4px;
  display: block;
}

/* Input Wrapper */
.ob-gumruk .inp-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

/* İkonlar / Prefix */
.ob-gumruk .inp-prefix {
  position: absolute;
  left: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ob-text-muted);
  z-index: 2;
  pointer-events: none;
  display: flex;
  align-items: center;
  height: 100%;
  top: 0;
}

/* Text Inputlar */
.ob-gumruk .inp {
  width: 100%;
  height: 48px; 
  padding: 0 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ob-input-text);
  background-color: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  outline: none;
  transition: all 0.2s ease-in-out;
}

.ob-gumruk .inp-prefix + .inp {
  padding-left: 32px; /* Prefix varsa boşluk bırak */
}

.ob-gumruk .inp:focus {
  background-color: #fff;
  border-color: var(--ob-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15); /* Mavi Odaklanma */
}

.ob-gumruk .inp:disabled {
  background-color: #e2e8f0;
  color: #94a3b8;
  cursor: not-allowed;
}

/* Checkbox Alanları */
.ob-gumruk .check {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 13px;
  font-weight: 500;
  color: var(--ob-text);
  cursor: pointer;
  user-select: none;
  margin-bottom: 0.4rem;
}

.ob-gumruk .check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--ob-primary);
  cursor: pointer;
  margin: 0;
  flex-shrink: 0;
}

/* Ek Masraflar Yan Yana */
.ob-gumruk__fees--inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.ob-gumruk__fees--inline .fee {
  display: flex;
  flex-direction: column;
}
.ob-gumruk__fees--inline .check { margin-bottom: 0.25rem; }

/* ---- Hesapla / Temizle Butonları ---- */
.ob-gumruk .actions {
  margin-top: 1rem; 
  display: flex;
  gap: 1rem;
}

.ob-gumruk .btn.lg {
  height: 40px; 
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ob-gumruk .btn.primary {
  flex: 1;
  background: var(--ob-primary);
  color: #fff;
  border: none;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.ob-gumruk .btn.primary:hover {
  background: var(--ob-primary-hover);
  transform: translateY(-1px);
}

.ob-gumruk .btn.ghost {
  flex: 1;
  background: #fff;
  border: 1px solid var(--ob-border);
  color: var(--ob-text-muted);
}
.ob-gumruk .btn.ghost:hover {
  background: #f8fafc;
  color: var(--ob-text);
}

/* ---- Sonuç Kartı İçeriği ---- */
.ob-gumruk__grid > .ob-gumruk__card:last-child .sec-hd {
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: normal;
  margin-top: 0; 
  margin-bottom: 0.4rem;
  padding-bottom: 0;
  border: none;
}

.ob-gumruk__results {
  background: transparent;
  border: none;
  padding: 0;
}

.ob-gumruk .res {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 0; 
  font-size: 14px;
  color: #cbd5e1;
  border: none;
}

.ob-gumruk .res div:last-child {
  color: #fff;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.ob-gumruk hr {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.15);
  margin: 0.6rem 0; 
}

.ob-gumruk .res.strong {
  background: rgba(255,255,255,0.05);
  margin: 0.2rem -1.25rem; 
  padding: 6px 1.25rem;
  border: none;
}
.ob-gumruk .res.strong div:first-child { color: #fff; font-weight: 700; }
.ob-gumruk .res.strong div:last-child { font-size: 15px; }

/* "TAHMİNİ TOPLAM MALİYET" Vurgusu (Trendyol'daki Net Kâr stili) */
.ob-gumruk .res.strong.big {
  background: var(--ob-success);
  margin-top: 0.5rem; 
  margin-bottom: 0;
  padding: 10px 1.25rem;
  color: #fff;
  border-radius: 0;
}
.ob-gumruk .res.strong.big div:first-child { color: #ffffff; font-size: 16px; }
.ob-gumruk .res.strong.big div:last-child { font-size: 24px; font-weight: 800; }

.ob-gumruk__note {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 0.8rem;
  display: block;
}

.ob-gumruk__note--limit {
  margin-top: 0.45rem;
  padding: 0.55rem 0.6rem;
  border-radius: 8px;
  border: 1px solid rgba(59,130,246,0.25);
  background: rgba(59,130,246,0.08);
  color: #cbd5e1;
}

/* Hızlı Mantık İç Kutusu */
.ob-gumruk__mini-card--inside {
  margin-top: 1.5rem;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  padding: 1rem;
}

.ob-gumruk__mini-title {
  margin: 0 0 0.55rem;
  font-size: 13px;
  font-weight: 800;
  color: #e5e7eb;
}

.ob-gumruk__mini-list {
  margin: 0.1rem 0 0.75rem;
  padding-left: 1.05rem;
  color: #cbd5e1;
  font-size: 12px;
  line-height: 1.55;
}
.ob-gumruk__mini-list li { margin: 0.25rem 0; }

.ob-gumruk__formula {
  border: 1px dashed rgba(148,163,184,0.35);
  background: rgba(2,6,23,0.3);
  border-radius: 8px;
  padding: 0.8rem;
  display: grid;
  gap: 0.2rem;
}
.ob-gumruk__formula strong { font-size: 12px; color: #e5e7eb; }
.ob-gumruk__formula span { font-size: 12px; color: #cbd5e1; line-height: 1.5; }

.ob-gumruk__mini-note {
  margin: 0.7rem 0 0;
  font-size: 11px;
  color: #94a3b8;
  line-height: 1.5;
}

/* Hata Mesajı */
.ob-gumruk__result-error {
  margin-top: 0.7rem;
  padding: 0.7rem 0.65rem;
  border-radius: 8px;
  background: var(--ob-danger);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
}
.ob-gumruk__result--error-hidden { display: none; }

/* ---- Yasal Uyarı (Tam Genişlik - Alt Kısım) ---- */
.ob-gumruk__legal-wide {
  margin-top: 2rem;
}

.ob-gumruk__legal-wide-card {
  padding: 1.5rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-left: 5px solid var(--ob-danger);
  border-radius: 8px;
  font-size: 13px;
  color: #7f1d1d;
  box-shadow: none;
}

.ob-gumruk__legal-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: #991b1b;
}

.ob-gumruk__legal-ico {
  display: none; /* Temiz görünüm için ikonu gizledik, bold başlık yetiyor */
}

.ob-gumruk__legal-head strong {
  font-weight: 700;
  font-size: 14px;
}

.ob-gumruk__legal-text {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}
.ob-gumruk__legal-text:last-child {
  margin-bottom: 0;
}

/* ---- Responsive (Mobil) ---- */
@media (max-width: 900px) {
  .ob-gumruk__grid { grid-template-columns: 1fr; gap: 1.5rem; align-items: start; }
  .ob-gumruk__grid > .ob-gumruk__card:first-child { padding: 1.25rem; }
  .ob-gumruk__grid > .ob-gumruk__card:last-child { padding: 1.25rem; border-radius: var(--ob-radius); }
}

@media (max-width: 640px) {
  .ob-gumruk { padding: 0 0.5rem; margin: 0 auto 2rem; font-size: 13px; }
  .ob-gumruk__title { font-size: 20px; margin-bottom: 1.2rem; }
  
  .ob-gumruk .inp { padding-left: 16px; font-size: 16px; }
  .ob-gumruk .inp-prefix + .inp { padding-left: 28px; }
  .ob-gumruk .inp-prefix { left: 10px; }

  .ob-gumruk .res { padding: 2px 0; }
  .ob-gumruk .res.strong { margin: 0.2rem -1.25rem; padding: 6px 1.25rem; }
  
  .ob-gumruk__fees--inline { grid-template-columns: 1fr; gap: 0.8rem; }
}