/* ==========================================================================
   AYDIN İŞ AHŞAP - GÜVENLİ ÖDEME PORTALI
   Kurumsal, Sade & Güvenilir Tasarım Sistemi
   ========================================================================== */

:root {
  /* Renk Paleti - Sade, Ferah, Kurumsal */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-hover: #f8fafc;

  --border-light: #f1f5f9;
  --border-base: #e2e8f0;
  --border-focus: #0f172a;

  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --primary: #0f172a;
  --primary-hover: #1e293b;

  --brand-wood: #7c4720;
  --brand-wood-hover: #5d3517;

  --success: #047857;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;

  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;

  /* Tipografi */
  --font-display: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Yuvarlama ve Gölgeler */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-pop: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
}

/* Sıfırlama */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--brand-wood);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   Header (Sade, Beyaz, Temiz)
   ========================================================================== */
.header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-base);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.brand-fallback {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-badge {
  background-color: var(--brand-wood);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.brand-text strong {
  display: block;
  font-size: 1rem;
  color: var(--text-main);
  font-weight: 700;
}

.brand-text small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.header-security {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.security-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--text-muted);
}

.security-item svg {
  color: var(--success);
}

.header-sep {
  color: var(--border-base);
}

.bank-subtext strong {
  color: var(--text-main);
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
}
.header-phone:hover {
  color: var(--brand-wood);
  text-decoration: none;
}

/* ==========================================================================
   Alerts
   ========================================================================== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0 0.5rem;
  font-size: 0.875rem;
}

.alert-error {
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
}

.alert-success {
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success);
}

.alert-content strong {
  display: block;
  font-weight: 600;
  margin-bottom: 0.125rem;
}

/* ==========================================================================
   Layout (2 Sütunlu Temiz Checkout)
   ========================================================================== */
.main {
  flex: 1;
  padding: 2rem 0 3rem;
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Form Kartları */
.form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.form-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  background-color: #ffffff;
}

.form-card-header.flex-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.form-card-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.form-card-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.125rem;
}

.form-card-body {
  padding: 1.5rem;
}

/* Form Elemanları */
.form-group {
  margin-bottom: 1.125rem;
}
.form-group:last-child {
  margin-bottom: 0;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.span-full {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.375rem;
}

.req {
  color: var(--danger);
}
.opt {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
}

.form-control {
  width: 100%;
  height: 44px;
  padding: 0 0.875rem;
  background-color: #ffffff;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-main);
  transition: border-color 150ms, box-shadow 150ms;
}

.form-control::placeholder {
  color: var(--text-light);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--border-focus);
}

.mono-font {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.uppercase {
  text-transform: uppercase;
}

/* Tutar Girişi (Büyük, Net, Güven Verici) */
.amount-field-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.currency-prefix {
  position: absolute;
  left: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-muted);
  pointer-events: none;
}

.amount-input {
  width: 100%;
  height: 56px;
  padding-left: 2.75rem;
  padding-right: 1rem;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  transition: border-color 150ms, box-shadow 150ms;
}

.amount-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--border-focus);
}

/* Hızlı Tutar Çipleri (Temiz, Düz Butonlar) */
.quick-amounts-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.chip-btn {
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-body);
  background-color: #ffffff;
  border: 1px solid var(--border-base);
  border-radius: 20px;
  transition: all 150ms ease;
}

.chip-btn:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

.chip-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Kart Numarası Alanı & Marka İkonları */
.card-number-wrapper {
  position: relative;
}

.card-number-wrapper .form-control {
  padding-right: 110px;
}

.input-card-brands {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.brand-mini-icon {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid var(--border-base);
  color: var(--text-light);
  background-color: #ffffff;
  transition: all 150ms ease;
}

.brand-mini-icon.active {
  color: var(--primary);
  border-color: var(--primary);
  font-weight: 800;
  background-color: var(--bg-subtle);
}

#brand-icon-visa.active {
  color: #1a1f71;
  border-color: #1a1f71;
}

#brand-icon-master.active {
  color: #eb001b;
  border-color: #eb001b;
}

#brand-icon-troy.active {
  color: #009ee2;
  border-color: #009ee2;
}

/* Tespit Edilen Banka Etiketi */
.bank-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 4px 10px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
}

.bank-tag svg {
  color: var(--success);
}

.installment-bank-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-wood);
  background-color: #fdf8f4;
  border: 1px solid #edd6c2;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* SKT ve CVV */
.expiry-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.select-field {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 14px;
  padding-right: 2rem;
  cursor: pointer;
}

.expiry-slash {
  color: var(--text-light);
  font-size: 1.125rem;
  font-weight: 300;
}

.label-with-help {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cvv-hint {
  font-size: 0.6875rem;
  color: var(--text-muted);
  cursor: help;
  text-decoration: underline dotted;
}

/* ==========================================================================
   Taksit Tablosu (Sade, Ferah, Kurumsal)
   ========================================================================== */
.installment-table-container {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.installment-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

.installment-table thead th {
  padding: 0.625rem 0.875rem;
  background-color: var(--bg-subtle);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-base);
}

.installment-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background-color 120ms ease;
}

.installment-table tbody tr:last-child {
  border-bottom: none;
}

.installment-table tbody tr:hover {
  background-color: var(--bg-hover);
}

.installment-table tbody tr.selected-row {
  background-color: #f8fafc;
  font-weight: 600;
}

.installment-table td {
  padding: 0.75rem 0.875rem;
  vertical-align: middle;
}

.radio-cell {
  width: 36px;
  text-align: center;
}

.custom-radio {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--text-light);
  position: relative;
  vertical-align: middle;
  transition: all 120ms ease;
}

.custom-radio.active {
  border-color: var(--primary);
  background-color: var(--primary);
}

.custom-radio.active::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #ffffff;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.installment-name {
  color: var(--text-main);
}

.installment-monthly {
  color: var(--text-main);
  font-weight: 600;
}

.installment-total {
  text-align: right;
  font-weight: 700;
  color: var(--text-main);
}

.badge-zero-interest {
  display: inline-block;
  padding: 2px 7px;
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success);
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
}

.badge-commission {
  display: inline-block;
  padding: 2px 7px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-base);
  color: var(--text-muted);
  border-radius: 4px;
  font-size: 0.6875rem;
}

/* ==========================================================================
   Sağ Sütun: Sipariş Özeti (Sticky)
   ========================================================================== */
.sticky-wrapper {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.summary-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
}

.summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.summary-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
}

.summary-secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--success);
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.merchant-box {
  margin: 1rem 0;
  padding: 0.75rem 0.875rem;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
}

.merchant-company {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-main);
}

.merchant-sub {
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.summary-rows {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.25rem;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

.summary-label {
  color: var(--text-muted);
}

.summary-val {
  font-weight: 600;
  color: var(--text-main);
}

.text-accent {
  color: var(--brand-wood);
}

.summary-divider {
  height: 1px;
  background-color: var(--border-base);
  margin: 0.5rem 0;
}

.summary-total-group {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 0.25rem;
}

.total-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.total-note {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 2px;
}

.total-price {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

/* Büyük Ödeme Butonu */
.btn-pay {
  width: 100%;
  height: 48px;
  background-color: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background-color 150ms ease, transform 100ms ease;
}

.btn-pay:hover {
  background-color: var(--primary-hover);
}

.btn-pay:active {
  transform: translateY(1px);
}

.btn-pay:disabled {
  opacity: 0.75;
  cursor: not-allowed;
}

.sms-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.75rem;
}

.sms-note svg {
  color: var(--success);
  flex-shrink: 0;
}

/* Güvenlik Kutusu */
.security-card {
  background-color: #ffffff;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sec-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.sec-icon {
  color: var(--text-muted);
  margin-top: 2px;
  flex-shrink: 0;
}

.sec-text strong {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-main);
  font-weight: 600;
}

.sec-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.4;
}

/* WhatsApp Destek */
.support-box {
  background-color: #ffffff;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  height: 40px;
  background-color: #ffffff;
  border: 1px solid #25d366;
  color: #128c7e;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 150ms ease;
}

.btn-whatsapp:hover {
  background-color: #f0fdf4;
  text-decoration: none;
}

.support-phone-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.625rem;
}

.support-phone-hint a {
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: #ffffff;
  border-top: 1px solid var(--border-base);
  padding: 2rem 0;
  margin-top: auto;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
  text-align: center;
}

.footer-info strong {
  color: var(--text-main);
  display: block;
  margin-bottom: 0.25rem;
}

.footer-info p {
  margin-top: 2px;
}

.footer-schemes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.scheme-pill {
  padding: 4px 10px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-body);
  letter-spacing: 0.05em;
}

.scheme-pill.bank {
  color: var(--brand-wood);
  font-weight: 600;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ==========================================================================
   Dekont / Sonuç Sayfası (result.ejs)
   ========================================================================== */
.result-card {
  max-width: 600px;
  margin: 3rem auto;
  background-color: #ffffff;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.5rem 2rem;
  text-align: center;
}

.result-status-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.result-status-icon.success {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.result-status-icon.error {
  background-color: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.result-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.result-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.receipt-box {
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
  text-align: left;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-base);
  font-size: 0.875rem;
}

.receipt-row:last-child {
  border-bottom: none;
}

.receipt-label {
  color: var(--text-muted);
}

.receipt-value {
  font-weight: 600;
  color: var(--text-main);
}

.receipt-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--border-base);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  background-color: #ffffff;
  transition: all 150ms ease;
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  text-decoration: none;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  .checkout-grid {
    grid-template-columns: 1fr;
  }

  .sticky-wrapper {
    position: static;
  }

  .summary-column {
    order: -1;
  }

  .hide-mobile {
    display: none !important;
  }
}

@media (max-width: 580px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .form-card-header.flex-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .amount-input {
    font-size: 1.375rem;
  }

  .total-price {
    font-size: 1.375rem;
  }
}