/* ============================================================
   iCe Akıllı Ev - Teklif Sistemi v2.0
   Mobil-öncelikli, profesyonel, minimalist tasarım
   ============================================================ */

:root {
  --primary: #0f3460;
  --accent: #0ea5e9;
  --accent-light: #e0f2fe;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* ---- HEADER ---- */
.header {
  background: linear-gradient(135deg, #0d1117, var(--primary));
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 10px; }
.header img { height: 32px; }
.header h1 { color: #fff; font-size: 15px; font-weight: 300; letter-spacing: 0.5px; }
.header h1 strong { font-weight: 700; }
.header-badge {
  background: var(--accent);
  color: #fff;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* ---- CONTAINER ---- */
.container { max-width: 960px; margin: 0 auto; padding: 12px; }

/* ---- CARD ---- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title .icon {
  width: 26px; height: 26px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: #fff; flex-shrink: 0;
}
.card-title .right { margin-left: auto; }

/* ---- SABLON SECICI ---- */
.sablon-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.sablon-btn {
  flex: 1;
  min-width: 120px;
  padding: 12px 10px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  font-family: inherit;
}
.sablon-btn:hover { border-color: var(--accent); background: var(--accent-light); }
.sablon-btn.active { border-color: var(--accent); background: var(--accent); color: #fff; }
.sablon-btn .sablon-icon { font-size: 22px; display: block; margin-bottom: 4px; }
.sablon-btn .sablon-ad { font-size: 11px; font-weight: 700; display: block; }
.sablon-btn .sablon-desc { font-size: 9px; color: var(--muted); display: block; margin-top: 2px; }
.sablon-btn.active .sablon-desc { color: rgba(255,255,255,0.7); }

/* ---- FORM ---- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}
.form-row.three { grid-template-columns: 1fr 1fr 1fr; }
.form-row.four { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 10px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  background: #f8fafc;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}
.form-group textarea { resize: vertical; min-height: 44px; }

/* ---- OZELLIKLER ---- */
.oz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}
.oz-kat-row {
  grid-column: 1 / -1;
  padding: 5px 10px;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 4px;
  margin: 6px 0 2px;
}
.oz-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-bottom: 1px solid #f1f5f9;
  border-radius: 4px;
}
.oz-row.dahil { background: #f0fdf4; }
.oz-row.haric { background: #f8fafc; opacity: 0.55; }
.oz-row.opsiyonel { background: #fffbeb; }
.oz-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  text-align: center;
  min-width: 36px;
  transition: all 0.15s;
}
.oz-badge.dahil { background: var(--success); color: #fff; }
.oz-badge.haric { background: #cbd5e1; color: #fff; }
.oz-badge.opsiyonel { background: var(--warning); color: #fff; }
.oz-ad { font-weight: 600; color: var(--text); flex: 1; font-size: 11px; }
.oz-adet input {
  width: 48px;
  padding: 3px 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
  text-align: center;
  font-family: inherit;
}

/* ---- URUN TABLOSU ---- */
.urun-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.urun-table thead th {
  background: var(--primary);
  color: #fff;
  padding: 8px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: left;
}
.urun-table thead th:first-child { border-radius: 8px 0 0 0; }
.urun-table thead th:last-child { border-radius: 0 8px 0 0; }
.urun-table tbody td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-size: 12px;
}
.urun-table tbody tr:nth-child(even) { background: #f8fafc; }
.urun-table .urun-gorsel {
  width: 44px; height: 44px;
  object-fit: contain;
  background: #fff;
  padding: 2px;
  box-sizing: border-box;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.urun-table input, .urun-table select {
  width: 100%;
  padding: 5px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  background: #fff;
  font-family: inherit;
}
.urun-table input:focus { outline: none; border-color: var(--accent); }
.urun-table .toplam-cell {
  font-weight: 700;
  color: var(--primary);
  text-align: right;
  padding-right: 10px;
  white-space: nowrap;
}
.urun-kat-row td {
  background: var(--primary) !important;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 10px !important;
}
.urun-kat-toplam td {
  background: #e0f2fe !important;
  font-weight: 700;
  color: var(--primary);
  font-size: 12px;
  text-align: right;
  padding: 6px 10px !important;
}

/* ---- HIZLI EKLE BUTONLARI ---- */
.hazir-urunler {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}
.hazir-urun-btn {
  background: var(--accent-light);
  border: 1px solid #bae6fd;
  color: #0369a1;
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.hazir-urun-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.btn-urun-ekle {
  background: var(--accent-light);
  color: var(--accent);
  border: 1px dashed var(--accent);
  padding: 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 6px;
  font-family: inherit;
  transition: all 0.2s;
}
.btn-urun-ekle:hover { background: var(--accent); color: #fff; }

.btn-urun-sil {
  background: #fef2f2;
  color: var(--danger);
  border: none;
  padding: 5px 9px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  transition: all 0.15s;
}
.btn-urun-sil:hover { background: var(--danger); color: #fff; }

/* ---- OZET ---- */
.ozet-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-top: 10px;
}
.ozet-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 13px;
  color: var(--muted);
}
.ozet-row .value { font-weight: 600; color: var(--text); }
.ozet-row.indirim .value { color: var(--success); }
.ozet-total {
  display: flex;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--accent);
  border-radius: 8px;
  margin-top: 8px;
  color: #fff;
  font-weight: 700;
}
.ozet-total .label { font-size: 14px; }
.ozet-total .value { font-size: 18px; }

/* ---- BANKA ---- */
.banka-satir {
  display: grid;
  grid-template-columns: 90px 1fr 30px;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
}
.banka-satir label { font-size: 10px; font-weight: 600; color: var(--muted); }
.banka-satir input {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  background: #f8fafc;
  font-family: inherit;
}
.banka-satir input:focus { outline: none; border-color: var(--accent); }
.btn-banka-sil { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 18px; font-weight: 700; }
.btn-banka-ekle {
  background: var(--accent-light);
  color: var(--accent);
  border: 1px dashed var(--accent);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
  font-family: inherit;
}

/* ---- BUTONLAR ---- */
.submit-area {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 14px 0;
  flex-wrap: wrap;
}
.btn {
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.2s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-pdf {
  background: #fff;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-pdf:hover { background: var(--primary); color: #fff; }
.btn-whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 2px 8px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover { background: #1da851; transform: translateY(-1px); }
.btn-gonder {
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  box-shadow: 0 2px 10px rgba(14,165,233,0.3);
}
.btn-gonder:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(14,165,233,0.4); }
.btn-kaydet {
  background: var(--success);
  color: #fff;
}
.btn-kaydet:hover { background: #16a34a; }

/* ---- MESAJ / SONUC ---- */
.mesaj {
  display: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
  text-align: center;
}
.mesaj.basarili { display: block; background: #f0fdf4; color: var(--success); border: 1px solid var(--success); }
.mesaj.hata { display: block; background: #fef2f2; color: var(--danger); border: 1px solid var(--danger); }

.sonuc {
  display: none;
  text-align: center;
  padding: 16px;
  border-radius: 8px;
  margin-top: 10px;
}
.sonuc.ok { display: block; background: #f0fdf4; border: 2px solid var(--success); }
.sonuc.fail { display: block; background: #fef2f2; border: 2px solid var(--danger); }
.sonuc h3 { font-size: 14px; margin-bottom: 4px; }
.sonuc p { color: var(--muted); font-size: 12px; }

/* ---- FOOTER ---- */
.footer {
  background: #0d1117;
  padding: 12px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 10px;
}
.footer a { color: var(--accent); text-decoration: none; }

/* ---- LOGIN ---- */
.login-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #0d1117, var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.login-box {
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px;
  width: 360px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: center;
}
.login-box img { height: 44px; margin-bottom: 10px; }
.login-box h2 { font-size: 18px; color: var(--primary); margin-bottom: 4px; }
.login-box p { font-size: 12px; color: var(--muted); margin-bottom: 20px; }
.login-box input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 10px;
  background: #f8fafc;
  font-family: inherit;
}
.login-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14,165,233,0.12); }
.login-box .btn-login {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
  font-family: inherit;
  transition: all 0.2s;
}
.login-box .btn-login:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(14,165,233,0.4); }
.login-error { color: var(--danger); font-size: 12px; font-weight: 600; margin-top: 8px; display: none; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .header { padding: 10px 14px; }
  .header h1 { font-size: 13px; }
  .header-badge { font-size: 9px; padding: 3px 8px; }

  .container { padding: 8px; }
  .card { padding: 12px; }

  .form-row,
  .form-row.three,
  .form-row.four { grid-template-columns: 1fr 1fr; }

  .oz-grid { grid-template-columns: 1fr; }

  .sablon-grid { gap: 6px; }
  .sablon-btn { min-width: 100px; padding: 10px 6px; }

  .submit-area { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }

  .urun-table thead th { font-size: 8px; padding: 6px 4px; }
  .urun-table tbody td { padding: 4px; font-size: 11px; }
  .urun-table .urun-gorsel { width: 36px; height: 36px; }
  .urun-table input { font-size: 11px; padding: 4px; }
}

@media (max-width: 480px) {
  .header { flex-direction: column; gap: 6px; text-align: center; }

  .form-row,
  .form-row.three,
  .form-row.four { grid-template-columns: 1fr; }

  .sablon-btn { min-width: 80px; }
  .sablon-btn .sablon-icon { font-size: 18px; }

  .ozet-total .value { font-size: 16px; }

  .banka-satir { grid-template-columns: 80px 1fr 28px; }
}

/* ---- TABS ---- */
.tab-btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  background: #f8fafc;
  border-radius: 8px 8px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.tab-btn:hover:not(.active) { background: var(--accent-light); }

/* ---- GIZLI ALAN (PDF) ---- */
#pdfContent { position: absolute; left: -9999px; top: 0; }