/* USSD Simulator Styles */

.ussd-sim-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
  background-color: #f8f9fa;
  position: relative;
  overflow: hidden;
}

.ussd-phone-frame {
  width: 320px;
  height: 650px;
  background-color: #222;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), inset 0 0 0 2px #555;
  position: relative;
}

/* Notch */
.ussd-phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 25px;
  background-color: #222;
  border-bottom-left-radius: 15px;
  border-bottom-right-radius: 15px;
  z-index: 10;
}

/* Screen */
.ussd-screen {
  width: 100%;
  height: 100%;
  background-color: #fff;
  border-radius: 30px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Status Bar */
.ussd-status-bar {
  display: flex;
  justify-content: space-between;
  padding: 8px 20px 0;
  font-size: 12px;
  font-weight: 600;
  color: #333;
  z-index: 5;
}
.ussd-status-icons {
  display: flex;
  gap: 5px;
}

/* Dialer UI */
.ussd-dialer {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
  justify-content: flex-end;
}
.ussd-dial-display {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 300;
  color: #111;
  word-break: break-all;
  text-align: center;
}
.ussd-dialpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-bottom: 20px;
}
.ussd-key {
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: #f0f0f0;
  border: none;
  font-size: 24px;
  font-weight: 500;
  color: #333;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background-color 0.1s;
}
.ussd-key:active {
  background-color: #e0e0e0;
}
.ussd-key-sub {
  font-size: 10px;
  font-weight: 400;
  color: #777;
  letter-spacing: 1px;
}
.ussd-call-btn-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}
.ussd-call-btn {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: #34c759;
  color: white;
  border: none;
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.1s, background-color 0.2s;
  box-shadow: 0 4px 10px rgba(52,199,89,0.3);
}
.ussd-call-btn:active {
  transform: scale(0.95);
  background-color: #2db94d;
}

/* USSD Overlay Modal */
.ussd-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.6);
  z-index: 20;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.ussd-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.ussd-modal {
  width: 85%;
  background-color: #e9e9eb;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  transform: scale(0.95);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.ussd-overlay.active .ussd-modal {
  transform: scale(1);
}

.ussd-content {
  padding: 15px;
  font-family: monospace;
  font-size: 14px;
  color: #000;
  line-height: 1.4;
  white-space: pre-wrap;
  min-height: 60px;
}

.ussd-input-area {
  padding: 0 15px 15px;
}
.ussd-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 2px solid #007aff;
  font-family: monospace;
  font-size: 16px;
  color: #000;
  padding: 5px 0;
  outline: none;
}

.ussd-modal-actions {
  display: flex;
  border-top: 1px solid #ccc;
}
.ussd-action-btn {
  flex: 1;
  padding: 12px 0;
  background: transparent;
  border: none;
  font-size: 16px;
  color: #007aff;
  font-weight: 500;
  cursor: pointer;
}
.ussd-action-btn:active {
  background-color: #d1d1d6;
}
.ussd-action-btn.cancel {
  border-right: 1px solid #ccc;
  font-weight: 400;
}

/* Loading State inside Modal */
.ussd-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 15px;
  color: #555;
  font-size: 14px;
}
.ussd-spinner {
  width: 30px;
  height: 30px;
  border: 3px solid rgba(0,0,0,0.1);
  border-top-color: #555;
  border-radius: 50%;
  animation: ussd-spin 1s linear infinite;
  margin-bottom: 15px;
}
@keyframes ussd-spin {
  to { transform: rotate(360deg); }
}

/* Presentation Mode Controls */
.ussd-presentation-controls {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: white;
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 30;
  border: 1px solid #eee;
}
.ussd-badge {
  background-color: var(--primary, #1a6b3c);
  color: white;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 20px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.ussd-badge i {
  color: #ffb300;
}
.ussd-play-btn {
  background-color: #007aff;
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.ussd-play-btn:hover {
  opacity: 0.9;
}
.ussd-play-btn.playing {
  background-color: #ff3b30;
}

@media (max-width: 768px) {
  .ussd-sim-wrapper {
    padding: 1rem 0;
    flex-direction: column;
  }
  .ussd-phone-frame {
    width: 100%;
    max-width: 400px;
  }
  .ussd-presentation-controls {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: 20px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 400px;
  }
}

@media (max-width: 480px) {
  .ussd-sim-wrapper {
    padding: 0;
  }
  .ussd-phone-frame {
    width: 100%;
    height: 80vh; /* Takes most of the real screen */
    min-height: 550px;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    border: none;
    background-color: transparent;
  }
  .ussd-phone-notch {
    display: none; /* Hide fake notch on real mobile devices */
  }
  .ussd-screen {
    border-radius: 0;
  }
  .ussd-presentation-controls {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}