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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #2a2a2a;
  height: 100vh;
  overflow: hidden;
}

button {
  touch-action: manipulation;
}

/* Container principal avec ratio mobile */
.app-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #2a2a2a;
}

.mobile-frame {
  width: 100%;
  max-width: 375px;
  height: 100vh;
  max-height: 812px;
  background-color: #f5f5f5;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  padding: 15px 16px 12px;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
}

.settings-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background-color 0.2s;
  position: relative;
  z-index: 10;
}

.settings-icon {
  display: block;
  pointer-events: none;
}

.settings-btn:hover {
  background-color: #f0f0f0;
}

.header h1 {
  flex: 1;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin-left: -36px;
}

/* Section total */
.total-section {
  padding: 16px 16px;
  background-color: #fff;
  text-align: center;
  border-bottom: 1px solid #e0e0e0;
}

.total-primary {
  font-size: 26px;
  font-weight: bold;
  color: #333;
  margin-bottom: 2px;
}

.total-primary.over-budget {
  color: #e74c3c;
}

.total-secondary {
  font-size: 15px;
  color: #666;
}

.budget-warning {
  font-size: 12px;
  color: #e74c3c;
  margin-top: 8px;
  font-weight: 500;
  text-align: center;
}

.budget-warning-line {
  margin-bottom: 2px;
}

/* Section historique */
.history-section {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  background-color: #f8f9fa;
}

.history-placeholder {
  text-align: center;
  color: #999;
  font-style: italic;
  margin-top: 40px;
}

.history-item {
  background-color: #fff;
  padding: 10px 14px;
  margin-bottom: 6px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-content {
  flex: 1;
}

.history-primary {
  font-size: 16px;
  font-weight: 600;
  color: #333;
  margin-bottom: 2px;
}

.history-secondary {
  font-size: 13px;
  color: #888;
  font-weight: 400;
}

.delete-item-btn {
  background-color: #ff6b6b;
  color: white;
  border: none;
  border-radius: 6px;
  width: 30px;
  height: 30px;
  font-size: 13px;
  cursor: pointer;
  transition: background-color 0.2s;
  flex-shrink: 0;
  margin-left: 10px;
}

.delete-item-btn:hover {
  background-color: #ff5252;
}

/* Section saisie */
.input-section {
  padding: 8px 16px;
  background-color: #fff;
  border-top: 1px solid #e0e0e0;
}

.input-display {
  display: flex;
  align-items: center;
  margin-bottom: 2px;
}

.input-field {
  flex: 1;
  font-size: 22px;
  font-weight: 500;
  border: none;
  outline: none;
  text-align: right;
  padding: 6px 0;
  background: transparent;
  color: #333;
}

.currency-label {
  font-size: 16px;
  color: #666;
  margin-left: 8px;
  font-weight: 500;
}

.converted-display {
  text-align: right;
  font-size: 13px;
  color: #666;
  padding: 1px 0;
  margin-bottom: 6px;
}

/* Clavier virtuel */
.keyboard {
  padding: 8px 16px 12px;
  background-color: #fff;
  border-top: 1px solid #e0e0e0;
}

.keyboard-row {
  display: flex;
  gap: 8px;
  margin-bottom: 5px;
}

.keyboard-row:last-child {
  margin-bottom: 0;
}

.key {
  flex: 1;
  height: 55px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.number-key {
  background-color: #f8f9fa;
  color: #333;
}

.number-key:hover {
  background-color: #e9ecef;
}

.number-key:active {
  background-color: #dee2e6;
  transform: scale(0.95);
}

.delete-key {
  background-color: #ff6b6b;
  color: white;
}

.delete-key:hover {
  background-color: #ff5252;
}

.ok-key {
  background-color: #4caf50;
  color: white;
  font-weight: 600;
}

.ok-key:hover {
  background-color: #45a049;
}

/* Page paramètres */
.settings-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 1000;
}

.settings-overlay.active {
  display: flex;
  justify-content: center;
  align-items: center;
}

.settings-page {
  width: 100%;
  max-width: 375px;
  height: 100%;
  max-height: 812px;
  background-color: #fff;
  display: flex;
  flex-direction: column;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 16px 16px;
  border-bottom: 1px solid #e0e0e0;
}

.settings-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: #333;
}

.close-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background-color 0.2s;
}

.close-btn:hover {
  background-color: #f0f0f0;
}

.settings-content {
  flex: 1;
  padding: 24px 16px;
}

.setting-group {
  margin-bottom: 24px;
}

.setting-group label {
  display: block;
  font-size: 16px;
  font-weight: 500;
  color: #333;
  margin-bottom: 8px;
}

.setting-group select,
.setting-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  background-color: #fff;
  color: #333;
}

.setting-group select:focus,
.setting-group input:focus {
  outline: none;
  border-color: #4caf50;
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.budget-input-group {
  display: flex;
  align-items: center;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}

.budget-input-group input {
  flex: 1;
  border: none;
  margin: 0;
  border-radius: 0;
}

.budget-currency {
  padding: 12px 16px;
  background-color: #f8f9fa;
  color: #666;
  font-size: 14px;
  font-weight: 500;
  border-left: 1px solid #ddd;
}

/* Responsive pour mobile */
@media (max-width: 480px) {
  body {
    background-color: #f5f5f5;
  }

  .app-container {
    background-color: transparent;
  }

  .mobile-frame {
    max-width: none;
    max-height: none;
    height: 100vh;
  }

  .settings-page {
    max-width: none;
    max-height: none;
  }
}

/* Forcer le mode portrait sur mobile */
@media screen and (orientation: landscape) and (max-width: 768px) {
  body::before {
    content: "Veuillez tourner votre appareil en mode portrait";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #333;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    text-align: center;
    z-index: 9999;
    padding: 20px;
  }
}