:root {
  --primary-color: #635bff;
  --primary-hover: #0a2540;
  --bg-gradient: linear-gradient(135deg, #0a2540 0%, #1a1f36 100%);
  --panel-bg: #ffffff;
  --aside-bg: #f8f9fc;
  --text-main: #1a1f36;
  --text-muted: #697386;
  --text-light: #a3acb9;
  --border-color: #e3e8ee;
  --input-bg: #ffffff;
  --input-focus-border: #635bff;
  --input-focus-shadow: rgba(99, 91, 255, 0.15);
  --error-color: #df1b41;
  --error-bg: #fff8f8;
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-lg: 16px;
  --radius-md: 8px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 50px 100px -20px rgba(50, 50, 93, 0.25), 0 30px 60px -30px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.checkout-wrapper {
  background: var(--panel-bg);
  width: 100%;
  max-width: 1000px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 360px 1fr;
  overflow: hidden;
}

/* Left Panel Adjustment: Compact top alignment */
.order-summary {
  background-color: var(--aside-bg);
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.summary-top-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: #fff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.brand-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-hover);
}

.amount-container {
  display: flex;
  flex-direction: column;
}

.amount-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.amount-value {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.15rem;
  line-height: 1.1;
}

.amount-value .currency {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Trust Badges Area - Positioned tightly right under amount */
.trust-container {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.trust-title {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.85rem;
}

.payment-badges-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.trust-card-logo {
  height: 22px;
  width: auto;
  object-fit: contain;
  display: block;
}

.security-seals {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.seal-item {
  font-size: 0.72rem;
  font-weight: 700;
  color: #4f566b;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.seal-item i {
  color: #00d4b1;
}

/* Form Styles */
.payment-form-container {
  padding: 2.5rem;
}

.form-section {
  margin-bottom: 2rem;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-hover);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group {
  margin-bottom: 1.1rem;
  display: flex;
  flex-direction: column;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-row .form-group { flex: 1; }
.form-row .flex-2 { flex: 2; }
.form-row .flex-1 { flex: 1; }

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.req { color: var(--error-color); }

.input-wrapper, .select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-light);
  font-size: 0.95rem;
  pointer-events: none;
}

input, select {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text-main);
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
}

select { appearance: none; cursor: pointer; }

.uppercase-input { text-transform: uppercase; }

input:focus, select:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 4px var(--input-focus-shadow);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.card-brand-badge {
  position: absolute;
  right: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.svg-card-logo {
  height: 20px;
  width: auto;
}

.form-group.error input,
.form-group.error select {
  border-color: var(--error-color);
  background-color: var(--error-bg);
}

.error-msg {
  font-size: 0.78rem;
  color: var(--error-color);
  margin-top: 0.3rem;
  min-height: 1rem;
  font-weight: 500;
}

.pay-btn {
  width: 100%;
  padding: 1rem;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: var(--transition);
}

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

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
  display: none;
}

.form-alert {
  margin-top: 15px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
}

.form-alert.hidden {
  display: none;
}

.form-alert.error {
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.form-alert.info {
  background-color: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}


@keyframes spin { to { transform: rotate(360deg); } }

.pay-btn.loading #payButtonText, .pay-btn.loading i { display: none; }
.pay-btn.loading .spinner { display: block; }

@media (max-width: 850px) {
  .checkout-wrapper { grid-template-columns: 1fr; }
  .order-summary { border-right: none; border-bottom: 1px solid var(--border-color); }
}