/* ==========================================================================
   PAYMENT FORM - DESIGN SYSTEM
   Studies Learning - Payment Aggregator
   Version 3.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Primary Colors */
  --color-primary: #e63946;
  --color-primary-hover: #c1121f;
  --color-primary-light: #fee2e2;
  --color-primary-dark: #9d0208;

  /* Secondary */
  --color-secondary: #1d3557;
  --color-secondary-hover: #14253d;
  --color-secondary-light: #457b9d;

  /* Status Colors */
  --color-success: #22c55e;
  --color-success-light: #dcfce7;
  --color-success-dark: #166534;

  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-warning-dark: #92400e;

  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;
  --color-danger-dark: #991b1b;

  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  --color-info-dark: #1e40af;

  /* Neutrals */
  --color-background: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-focus: #cbd5e1;
  --color-text-main: #1e293b;
  --color-text-light: #64748b;
  --color-text-muted: #94a3b8;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.3);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: 12px;
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

  /* Typography */
  --font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--color-text-main);
  padding: var(--space-lg);
  overflow-x: hidden;
}

#app {
  min-height: calc(100vh - var(--space-xl) - 40px);
}

/* --------------------------------------------------------------------------
   3. LOADING SCREEN
   -------------------------------------------------------------------------- */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-background);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  z-index: 9999;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* --------------------------------------------------------------------------
   4. MAIN CONTAINER
   -------------------------------------------------------------------------- */
.payment-container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   5. SIDEBAR - ORDER SUMMARY
   -------------------------------------------------------------------------- */
.payment-sidebar {
  background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-secondary-hover) 100%);
  color: white;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.payment-sidebar::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.payment-sidebar__header {
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.payment-sidebar__logo {
  width: 60px;
  height: 60px;
  background: white;
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.payment-sidebar__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.payment-sidebar__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  opacity: 0.95;
}

.payment-sidebar__subtitle {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  margin-top: var(--space-xs);
}

.order-details {
  flex: 1;
}

.order-details__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.order-details__label {
  font-size: var(--font-size-sm);
  opacity: 0.75;
}

.order-details__value {
  font-weight: 500;
  font-size: var(--font-size-base);
}

.order-details__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  margin-top: auto;
}

.order-details__total-label {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.order-details__total-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fbbf24;
}

/* --------------------------------------------------------------------------
   6. MAIN FORM AREA
   -------------------------------------------------------------------------- */
.payment-main {
  padding: var(--space-xl);
  background: var(--color-surface);
}

.payment-header {
  margin-bottom: var(--space-xl);
}

.payment-steps {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 4px;
  background: var(--color-background);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.payment-step {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.payment-step__index {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.payment-step--active {
  background: white;
  box-shadow: var(--shadow-sm);
  color: var(--color-primary);
}

.payment-step--active .payment-step__index {
  border-color: transparent;
  background: var(--color-primary);
  color: white;
}

.payment-step--done {
  background: white;
  color: var(--color-success-dark);
}

.payment-step--done .payment-step__index {
  border-color: transparent;
  background: var(--color-success);
  color: white;
}

.payment-header__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: var(--space-xs);
}

.payment-header__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   7. FORM ELEMENTS
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.phone-input {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.phone-prefix {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--color-background);
  border: 1.5px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  min-width: 72px;
  text-align: center;
}

.phone-input__field {
  flex: 1;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-main);
  margin-bottom: var(--space-sm);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 14px 16px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--color-text-main);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder,
.form-select::placeholder {
  color: var(--color-text-muted);
}

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

.form-input.error:focus {
  box-shadow: 0 0 0 3px var(--color-danger-light);
}

.form-input:disabled,
.form-select:disabled {
  background: var(--color-background);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-help {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.form-error {
  display: none;
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

.form-input.error+.form-error,
.form-select.error+.form-error,
.form-error.visible {
  display: block;
}

.currency-select {
  width: auto;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-color: rgba(255, 255, 255, 0.2);
  font-size: var(--font-size-sm);
}

.currency-select option {
  color: var(--color-text-main);
  background: var(--color-surface);
}

/* --------------------------------------------------------------------------
   8. COUNTRY SELECTOR
   -------------------------------------------------------------------------- */
.country-select {
  position: relative;
}

.country-trigger {
  width: 100%;
  padding: 14px 16px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  color: var(--color-text-main);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-fast);
  outline: none;
}

.country-trigger:hover,
.country-trigger:focus {
  border-color: var(--color-primary);
}

.country-trigger__flag {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.country-trigger__flag img {
  width: 24px;
  height: 16px;
  object-fit: cover;
  border-radius: 3px;
}

.country-placeholder {
  color: var(--color-text-muted);
}

.country-trigger__arrow {
  transition: transform var(--transition-fast);
}

.country-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  max-height: 320px;
  overflow: hidden;
  display: none;
}

.country-dropdown.open {
  display: block;
  animation: dropDown 0.2s ease;
}

@keyframes dropDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.country-search {
  padding: var(--space-md);
  border: none;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  outline: none;
  width: 100%;
}

.country-list {
  list-style: none;
  max-height: 260px;
  overflow-y: auto;
  padding: 0;
  margin: 0;
}

.country-list__item {
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.country-list__item:hover {
  background: var(--color-background);
}

.country-list__item.selected {
  background: var(--color-primary-light);
}

.country-list__item img {
  width: 24px;
  height: 16px;
  object-fit: cover;
  border-radius: 3px;
}

/* --------------------------------------------------------------------------
   9. PURCHASE TYPE
   -------------------------------------------------------------------------- */
.purchase-type {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.purchase-type__option {
  position: relative;
}

.purchase-type__option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.purchase-type__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
}

.purchase-type__option input:checked+.purchase-type__card {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.purchase-type__option input:checked+.purchase-type__card .purchase-type__label {
  color: var(--color-primary);
}

.purchase-type__card:hover {
  border-color: var(--color-primary-light);
}

.purchase-type__icon {
  width: 32px;
  height: 32px;
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

.purchase-type__option input:checked+.purchase-type__card .purchase-type__icon {
  color: var(--color-primary);
}

.purchase-type__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   10. PAYMENT METHODS
   -------------------------------------------------------------------------- */
.payment-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.payment-method {
  position: relative;
}

.payment-method input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.payment-method__card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-normal);
}

.payment-method input:checked+.payment-method__card {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.payment-method input:checked+.payment-method__card .payment-method__label {
  color: var(--color-primary);
}

.payment-method__card:hover {
  border-color: var(--color-primary-light);
}

.payment-method__icon {
  width: 28px;
  height: 28px;
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

.payment-method input:checked+.payment-method__card .payment-method__icon {
  color: var(--color-primary);
}

.payment-method__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   11. BENEFICIARY SECTION
   -------------------------------------------------------------------------- */
.beneficiary-section {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  border: 1px solid var(--color-border);
}

.beneficiary-section__title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.beneficiary-section__title svg {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   12. EMAIL VERIFICATION
   -------------------------------------------------------------------------- */
.verify-section {
  background: var(--color-info-light);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.verify-section__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.verify-section__icon {
  width: 48px;
  height: 48px;
  background: var(--color-info);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.verify-section__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-info-dark);
}

.verify-section__text {
  font-size: var(--font-size-sm);
  color: var(--color-info-dark);
  margin-bottom: var(--space-lg);
}

.verify-section__code {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.verify-section__input {
  flex: 1;
  padding: var(--space-md);
  font-size: var(--font-size-xl);
  font-family: monospace;
  text-align: center;
  letter-spacing: 0.5em;
  border: 2px solid var(--color-info);
  border-radius: var(--radius-md);
  outline: none;
}

.verify-section__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.verify-section__resend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.verify-section__cancel {
  text-align: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid #bfdbfe;
}

/* --------------------------------------------------------------------------
   13. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-family: var(--font-family);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-background);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-light);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-background);
  color: var(--color-text-main);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-danger-dark);
}

/* Submit Button */
.submit-btn {
  width: 100%;
  padding: var(--space-lg);
  font-size: var(--font-size-lg);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-normal);
  margin-top: var(--space-xl);
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.submit-btn__text {
  flex: 1;
  text-align: left;
}

.submit-btn__amount {
  font-size: var(--font-size-xl);
}

/* --------------------------------------------------------------------------
   14. TOAST NOTIFICATIONS
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 320px;
  max-width: 420px;
  animation: toastIn 0.3s ease;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.toast--out {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.toast--success .toast__icon {
  background: var(--color-success-light);
  color: var(--color-success);
}

.toast--error .toast__icon {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.toast--warning .toast__icon {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.toast--info .toast__icon {
  background: var(--color-info-light);
  color: var(--color-info);
}

.toast__content {
  flex: 1;
}

.toast__title {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  margin-bottom: 2px;
}

.toast__message {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.toast__close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.toast__close:hover {
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   15. FOOTER
   -------------------------------------------------------------------------- */
.payment-footer {
  text-align: center;
  padding: var(--space-lg);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.payment-footer svg {
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   16. MESSAGES
   -------------------------------------------------------------------------- */
.message {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message--error {
  background: var(--color-danger-light);
  border: 1px solid #fecaca;
  color: var(--color-danger-dark);
}

.message--success {
  background: var(--color-success-light);
  border: 1px solid #bbf7d0;
  color: var(--color-success-dark);
}

.message--warning {
  background: var(--color-warning-light);
  border: 1px solid #fde68a;
  color: var(--color-warning-dark);
}

.message--info {
  background: var(--color-info-light);
  border: 1px solid #bfdbfe;
  color: var(--color-info-dark);
}

/* --------------------------------------------------------------------------
   17. LOADING STATES
   -------------------------------------------------------------------------- */
.btn--loading {
  position: relative;
  color: transparent !important;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-background) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* --------------------------------------------------------------------------
   18. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .payment-container {
    grid-template-columns: 1fr;
  }

  .payment-sidebar {
    order: -1;
    padding: var(--space-lg);
  }

  .order-details__item {
    padding: var(--space-sm) 0;
  }

  .payment-main {
    padding: var(--space-lg);
  }

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

  .purchase-type,
  .payment-methods {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  body {
    padding: var(--space-md);
  }

  .payment-main {
    padding: var(--space-md);
  }

  .payment-header__title {
    font-size: var(--font-size-xl);
  }

  .submit-btn {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .submit-btn__text {
    text-align: center;
  }

  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
  }

  .toast {
    min-width: auto;
  }
}

/* --------------------------------------------------------------------------
   19. UTILITIES
   -------------------------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   20. PREMIUM STATUS PAGES (Success & Cancel)
   -------------------------------------------------------------------------- */
.status-page {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.status-card {
  max-width: 520px;
  width: 100%;
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--glass-shadow);
  animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.status-icon-wrapper {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-xl);
  position: relative;
}

.status-icon-wrapper::after {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border-radius: var(--radius-full);
  border: 2px dashed currentColor;
  opacity: 0.3;
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.status-icon--success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.status-icon--cancel {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.status-icon--failed {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.status-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.status-icon--success+.status-title {
  color: var(--color-success-dark);
}

.status-icon--cancel+.status-title {
  color: var(--color-warning-dark);
}

.status-icon--failed+.status-title {
  color: var(--color-danger-dark);
}

.status-message {
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.status-details {
  background: rgba(15, 23, 42, 0.03);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  text-align: left;
  border: 1px solid rgba(15, 23, 42, 0.05);
}

.status-details__title {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.status-detail {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}

.status-detail-label {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.status-detail-value {
  font-weight: 600;
  font-family: monospace;
  color: var(--color-text-main);
}

/* Animated Checkmark */
.checkmark-svg {
  width: 48px;
  height: 48px;
}

.checkmark-circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 2;
  stroke-miterlimit: 10;
  stroke: var(--color-success);
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
  100% {
    stroke-dashoffset: 0;
  }
}

.status-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

@media (max-width: 480px) {
  .status-actions {
    flex-direction: column;
  }
}

/* -------------------------------------------------------------------------
   21. PROCESSING SCREEN - Paiement en cours
    -------------------------------------------------------------------------- */
.processing-screen {
  display: none;
  min-height: 400px;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl);
}

.processing-screen.active {
  display: flex;
  animation: fadeIn 0.5s ease;
}

.processing-content {
  max-width: 420px;
  margin: 0 auto;
}

.processing-animation {
  margin-bottom: var(--space-xl);
}

.payment-pulse {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.payment-pulse__ring {
  position: absolute;
  inset: 0;
  border: 3px solid var(--color-primary-light);
  border-radius: 50%;
  opacity: 0;
  animation: pulseRing 2s ease-out infinite;
}

.payment-pulse__ring--delayed {
  animation-delay: 0.6s;
}

.payment-pulse__center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  box-shadow: var(--shadow-glow);
}

@keyframes pulseRing {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.processing-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-text-main);
}

.processing-message {
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-base);
}

.processing-details {
  background: var(--color-background);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  text-align: left;
}

.processing-detail {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
}

.processing-detail__label {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.processing-detail__value {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
}

.processing-progress {
  margin-bottom: var(--space-lg);
}

.processing-progress .progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  max-width: 300px;
  margin: 0 auto var(--space-sm);
}

.processing-progress .progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
  width: 0%;
}

.processing-progress .progress-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.processing-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding: var(--space-md);
  background: var(--color-info-light);
  border-radius: var(--radius-md);
  border: 1px solid #bfdbfe;
}

.processing-note i {
  color: var(--color-info);
}

/* -------------------------------------------------------------------------
   22. PAYMENT SCREENS - Navigation entre écrans
    -------------------------------------------------------------------------- */
.payment-screen {
  display: none;
}

.payment-screen--active {
  display: block;
  animation: fadeInScreen 0.4s ease;
}

@keyframes fadeInScreen {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -------------------------------------------------------------------------
   23. MICRO-INTERACTIONS
    -------------------------------------------------------------------------- */

/* Ripple effect pour les boutons */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

/* Shake animation pour les erreurs */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.form-input.error,
.form-select.error {
  animation: shake 0.5s ease;
}

/* Success checkmark animation */
@keyframes checkmarkDraw {
  0% {
    stroke-dashoffset: 50;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

/* -------------------------------------------------------------------------
   24. RESPONSIVE - Screens
    -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .processing-screen {
    padding: var(--space-lg);
  }
  
  .payment-pulse {
    width: 100px;
    height: 100px;
  }
  
  .payment-pulse__center {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .processing-title {
    font-size: var(--font-size-xl);
  }
  
  .processing-message {
    font-size: var(--font-size-sm);
  }
}