/* Rence Alert - Authentic Material Design 3 Styles */
:root {
  --md-sys-color-primary: #6750A4;
  --md-sys-color-surface: #FFFFFF;
  --md-sys-color-on-surface: #1D1B20;
  --md-sys-color-on-surface-variant: #49454F;
  --md-shadow-elevation: 0px 10px 40px rgba(0, 0, 0, 0.15), 0px 4px 10px rgba(0, 0, 0, 0.1);
  --md-radius: 28px;
}

.rence-container {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  background-color: rgba(0, 0, 0, 0.5); z-index: 9999;
  backdrop-filter: blur(2px); opacity: 0; transition: opacity 0.3s ease;
  font-family: 'Roboto', 'Inter', system-ui, sans-serif;
}
.rence-visible { opacity: 1; }

.rence-modal {
  background-color: var(--md-sys-color-surface);
  border-radius: var(--md-radius);
  box-shadow: var(--md-shadow-elevation);
  width: 90%; max-width: 420px; padding: 36px 24px 28px;
  text-align: center;
  transform: scale(0.85) translateY(20px);
  transition: all 0.4s cubic-bezier(0.2, 1.2, 0.4, 1.1); /* Authentic M3 Spring bounce */
}
.rence-visible .rence-modal { transform: scale(1) translateY(0); }

/* Material Design specific UI */
.rence-icon {
  width: 88px; height: 88px; margin: 0 auto 24px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; border: 4px solid transparent; 
  /* Material animation */
  animation: md-pop-in 0.6s cubic-bezier(0.2, 1.2, 0.4, 1.1);
}
.rence-icon svg { width: 44px; height: 44px; }

@keyframes md-pop-in {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.rence-icon-success { color: #4CAF50; border-color: rgba(76, 175, 80, 0.2); background: rgba(76, 175, 80, 0.05); }
.rence-icon-error { color: #F44336; border-color: rgba(244, 67, 54, 0.2); background: rgba(244, 67, 54, 0.05); }
.rence-icon-warning { color: #FF9800; border-color: rgba(255, 152, 0, 0.2); background: rgba(255, 152, 0, 0.05); }
.rence-icon-info { color: #2196F3; border-color: rgba(33, 150, 243, 0.2); background: rgba(33, 150, 243, 0.05); }

.rence-title { font-size: 1.55rem; font-weight: 700; margin-bottom: 12px; color: var(--md-sys-color-on-surface); }
.rence-text { font-size: 1.05rem; color: var(--md-sys-color-on-surface-variant); line-height: 1.6; margin-bottom: 36px; padding: 0 10px; }

.rence-footer { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.rence-button {
  padding: 12px 32px; border-radius: 100px; font-weight: 600; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.5px;
  cursor: pointer; transition: all 0.2s cubic-bezier(0.2, 0, 0, 1); border: none; outline: none;
}
.rence-btn-confirm { background-color: var(--md-sys-color-primary); color: #fff; box-shadow: 0px 4px 8px rgba(103, 80, 164, 0.25); }
.rence-btn-confirm:hover { background-color: #57408f; box-shadow: 0px 6px 14px rgba(103, 80, 164, 0.35); transform: translateY(-1px); }
.rence-btn-confirm:active { transform: scale(0.98); background-color: #46307a; }

.rence-btn-cancel { background-color: #f1f3f5; color: #495057; }
.rence-btn-cancel:hover { background-color: #e9ecef; transform: translateY(-1px); }
.rence-btn-cancel:active { transform: scale(0.98); }

/* Toasts Material 3 / SweetAlert2 Snackbar style */
.rence-toast-container { position: fixed; top: 20px; right: 20px; z-index: 10000; display: flex; flex-direction: column; gap: 12px; }

.rence-toast {
  background-color: #ffffff; border: 1px solid #f1f3f5;
  color: #333; padding: 14px 20px; border-radius: 12px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); display: flex; align-items: center; gap: 14px; min-width: 250px;
  transform: translateX(150%); transition: transform 0.4s cubic-bezier(0.2, 1.2, 0.4, 1.1); font-family: 'Roboto', 'Inter', sans-serif;
}
.rence-toast-visible { transform: translateX(0); }
.rence-toast-title { font-weight: 600; font-size: 0.95rem; color: #333; }