:root {
  --layout-padding: clamp(24px, 5vw, 72px);
  --layout-padding-wide: clamp(32px, 7vw, 96px);
  --color-background: #0f172a;
  --color-surface: #ffffff;
  --color-muted: #f5f6f8;
  --color-primary: #b82020;
  --color-primary-dark: #991616;
  --color-text: #101828;
  --color-text-soft: #475467;
  --radius-large: 20px;
  --radius-medium: 16px;
  --radius-small: 12px;
  --shadow-shell: 0 24px 60px rgba(15, 23, 42, 0.25);
  --shadow-raised: 0 16px 30px rgba(15, 23, 42, 0.12);
  font-size: 16px;
}

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

.app-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: #121826;
  padding: 0;
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
}

.app-shell {
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  background: radial-gradient(circle at top left, rgba(220, 38, 38, 0.07), transparent 55%),
              radial-gradient(circle at bottom right, rgba(37, 99, 235, 0.08), transparent 50%),
              var(--color-surface);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.screen__body {
  flex: 1;
  width: 100%;
  padding: 0 var(--layout-padding) var(--layout-padding);
}

.screen__body--compact {
  padding-top: 16px;
}

.screen__body--wide {
  padding: 0 var(--layout-padding-wide) var(--layout-padding-wide);
}

.form-wrapper {
  width: min(640px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 4vw, 32px);
}

.content-wide {
  width: min(1200px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 5vw, 64px);
}

.status-screen .content-wide,
.numero-screen .content-wide,
.montant-screen .content-wide,
.presentation-body .content-wide,
.home-screen .content-wide {
  align-items: stretch;
}

.screen-lead {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 18px;
}

.screen-helper {
  font-size: 0.9rem;
  color: var(--color-text-soft);
}

.screen__footer {
  padding: 16px var(--layout-padding) var(--layout-padding);
  background: var(--color-surface);
  display: flex;
  justify-content: center;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px var(--layout-padding);
  position: relative;
  border-bottom: 1px solid #eceff5;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.top-bar__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.top-bar__leading,
.top-bar__trailing {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  width: 32px;
  color: #111827;
  text-decoration: none;
}

.top-bar__leading {
  left: var(--layout-padding);
}

.top-bar__trailing {
  right: var(--layout-padding);
}

.icon-arrow {
  display: inline-block;
  width: 10px;
  height: 18px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.section-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text-soft);
}

.card {
  border-radius: var(--radius-medium);
  padding: 20px;
  background: #f7f9fc;
  border: 1px solid #dfe3eb;
}

.primary-button {
  width: min(100%, 420px);
  padding: 18px;
  border: none;
  border-radius: 28px;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 16px 30px rgba(184, 32, 32, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.primary-button:focus {
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 20px 35px rgba(184, 32, 32, 0.28);
}

.primary-button:active {
  transform: translateY(0);
  box-shadow: 0 12px 24px rgba(184, 32, 32, 0.2);
  background: var(--color-primary-dark);
}

.list-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.network-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius-medium);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  border: 2px solid transparent;
  background: #f8fafc;
}

.network-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e5e7eb;
  overflow: hidden;
}

.network-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.network-card__label {
  font-size: 1rem;
  font-weight: 600;
}

.input-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-soft);
  text-transform: lowercase;
}

.field-control {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  border: 1.5px solid #d9dde3;
  background: #f8fafc;
  transition: border 0.2s ease, background 0.2s ease;
}

.field-control:focus-within {
  border-color: #70a8ff;
  background: #ffffff;
}

.field-prefix {
  font-weight: 600;
  color: var(--color-text);
}

.field-input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  width: 100%;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  border: 2px solid transparent;
  background: #f5f9ff;
  font-weight: 600;
  color: var(--color-text);
}

.pill__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.numero-pill {
  border-color: var(--pill-accent);
  background: var(--pill-tint);
  margin-bottom: 28px;
}

.numero-pill .pill__icon {
  background: var(--pill-accent);
}

.numero-pill img {
  border-radius: 10px;
}
@media (min-width: 900px) {
  .numero-screen .content-wide,
  .montant-screen .content-wide {
    align-items: center;
  }
}

.numero-screen .form-wrapper,
.montant-screen .form-wrapper {
  max-width: 520px;
  margin: 0 auto;
  width: 100%;
}

.status-card {
  border-radius: 24px;
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  width: min(100%, 560px);
  margin-left: auto;
  margin-right: auto;
}

.status-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 600;
}

.status-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.status-card__subtitle {
  font-size: 0.9rem;
  color: var(--color-text-soft);
  margin: 0;
  line-height: 1.5;
}

.status-card--success {
  background: #ecfdf3;
  border: 1.5px solid #bbf7d0;
}

.status-card--success .status-card__icon {
  background: #22c55e;
  color: #f6fdf8;
}

.status-card--success .status-card__title {
  color: #166534;
}

.status-card--danger {
  background: #fef2f2;
  border: 1.5px solid #fecaca;
}

.status-card--danger .status-card__icon {
  background: #ef4444;
  color: #fff5f5;
}

.status-card--danger .status-card__title {
  color: #991b1b;
}

.status-card--info {
  background: #eef2ff;
  border: 1.5px solid #c7d2fe;
}

.status-card--info .status-card__icon {
  background: #6366f1;
  color: #f8faff;
}

.status-card--info .status-card__title {
  color: #3730a3;
}

.status-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: min(100%, 560px);
  margin: 0 auto;
}

.status-details__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f8f9fc;
  padding: 14px 18px;
  border-radius: 16px;
  border: 1px solid #e2e6f2;
}

.status-details__item dt {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-soft);
}

.status-details__item dd {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

@media (max-width: 520px) {
  :root {
    --layout-padding: 18px;
    --layout-padding-wide: 24px;
  }

  .screen__body {
    padding: 0 var(--layout-padding) 24px;
  }

  .screen__footer {
    padding: 16px var(--layout-padding) 24px;
  }

  .top-bar {
    padding: 18px var(--layout-padding);
  }
}

@media (max-width: 480px) {
  .content-wide,
  .form-wrapper,
  .status-details,
  .status-card {
    width: 100%;
  }

  .status-card {
    border-radius: 20px;
  }
}

@media (min-width: 600px) {
  .top-bar {
    padding: 24px var(--layout-padding);
  }
}

@media (min-width: 900px) {
  .top-bar {
    padding: 32px var(--layout-padding-wide);
  }

  .top-bar__leading {
    left: var(--layout-padding-wide);
  }

  .top-bar__trailing {
    right: var(--layout-padding-wide);
  }
}

@media (min-width: 1100px) {
  .screen__body--compact {
    padding-top: 32px;
  }
}