:root {
  --primary-color: #e63946;
  --bg-color: #ffe4e6; /* Default Light Pink */
  --popup-bg: #ffccd5; /* Default Light Red */
  --bg-image: none;
  --text-color: #2d3436;
  --secondary-text: #636e72;
  --border-color: rgba(0,0,0,0.05);
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-color);
  background-image: var(--bg-image);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text-color);
  font-family: var(--font-family);
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
}

.admin-controls {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 100;
  align-items: flex-end;
}

.control-buttons {
  display: flex;
  gap: 0.5rem;
}

.admin-controls button {
  background: rgba(255, 255, 255, 0.8);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
  color: var(--secondary-text);
}

.admin-controls button:hover {
  background: #fff;
  color: var(--primary-color);
  transform: scale(1.1);
}

.settings-panel {
  background: white;
  padding: 1rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 200px;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.settings-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.settings-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--secondary-text);
}

.settings-group input[type="color"] {
  width: 100%;
  height: 30px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
}

.settings-group .btn-small {
  padding: 4px 8px;
  font-size: 0.7rem;
  background: #f1f2f6;
  border: 1px solid #dfe4ea;
  border-radius: 4px;
  cursor: pointer;
}

.container {
  max-width: 500px;
  width: 90%;
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: 20px;
  background: var(--popup-bg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
  color: var(--primary-color);
}

.image-preview-container {
  width: 100%;
  height: 250px;
  background-color: rgba(255, 255, 255, 0.5);
  border: 2px solid rgba(0,0,0,0.05);
  border-radius: 12px;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.image-preview-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.button-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  position: relative;
  min-height: 60px;
}

.btn {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.1s ease, font-size 0.2s ease, background-color 0.2s ease;
  white-space: nowrap;
}

.btn-yes {
  background-color: var(--primary-color);
  color: white;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

.btn-yes:hover {
  background-color: #d62839;
}

.btn-no {
  background-color: #fff;
  color: var(--text-color);
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

#success-message {
  display: none;
  animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.success-text {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.redirect-hint {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--secondary-text);
  font-style: italic;
}

#image-input, #bg-image-input {
  display: none;
}