:root {
  --bg-primary: #0a0e14;
  --bg-card: #111318;
  --bg-input: #0d1117;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #fff;
  --text-secondary: rgba(255, 255, 255, 0.5);
  --accent-green: #10b981;
  --accent-cyan: #06b6d4;
  --accent-red: #ef4444;
  --accent-blue: #3b82f6;
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  padding-bottom: calc(70px + env(safe-area-inset-bottom));
}

.header {
  display: flex;
  align-items: center;
  padding: 1rem;
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 10;
  border-bottom: 1px solid var(--border-color);
}

.back-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

.header-title {
  flex: 1;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  margin-right: 40px;
}

.main-content {
  padding: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.info-banner {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 0.75rem;
}

.info-banner svg {
  flex-shrink: 0;
  color: var(--accent-orange);
}

.info-banner p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.section {
  margin-bottom: 1.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
}

.add-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 0.5rem;
  color: var(--accent-orange);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.add-btn:hover {
  background: rgba(245, 158, 11, 0.25);
}

.payment-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.payment-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.payment-icon.bank {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
}

.payment-icon.wallet {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

.payment-icon.card {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
}

.payment-info {
  flex: 1;
  min-width: 0;
}

.payment-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.payment-value {
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.payment-secondary {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.payment-actions {
  display: flex;
  gap: 0.5rem;
}

.action-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(13, 17, 23, 0.9) !important;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.action-btn.delete:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.3);
}

.empty-card {
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-secondary);
}

.empty-card svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
  margin-bottom: 0.75rem;
}

.empty-card p {
  font-size: 0.85rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-radius: 1.5rem 1.5rem 0 0;
  max-height: 85vh;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  overflow: hidden;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  max-height: calc(85vh - 60px);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--accent-orange);
}

.form-input::placeholder {
  color: var(--text-secondary);
}

.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

.form-select option {
  background: var(--bg-input);
  color: var(--text-primary);
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent-orange), #ea580c);
  border: none;
  border-radius: 0.75rem;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.submit-btn:hover {
  filter: brightness(1.05);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Toast */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--accent-green);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transition: all 0.3s;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.error {
  background: var(--accent-red);
}