/* General transitions */
body {
  transition: background-color 0.3s ease, color 0.3s ease;
  background-color: #f8fafc;
  color: #0f172a;

  /* Toggle-switch colors */
  --toggle-bg-off: #cbd5e1;
  --toggle-bg-on:  #dde4ef;
  --toggle-handle: #ffffff;
}

body.dark {
  background-color: #e7e7e7;
  color: #f8fafc;

  --toggle-bg-off: #475569;
  --toggle-bg-on:  #2563eb;
  --toggle-handle: #f8fafc;
}

/* Cards*/
.card {
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Table Styling */
.table-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid #e2e8f0;
  transition: background-color 0.3s ease;
}

.table-row:hover {
  background-color: rgba(100, 116, 139, 0.1);
}

.table-header {
  font-weight: 700;
  border-bottom: 2px solid #94a3b8;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.table-item {
  flex: 1;
  word-wrap: break-word;
}

/* Input Fields */
.futuristic-input {
  padding: 0.5rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px);
  color: inherit;
}

.futuristic-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5);
}

/* Buttons */
button {
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

button:hover {
  transform: scale(1.02);
}

/* Add Book Button */
.add-btn {
  background: linear-gradient(to right, #3b82f6, #06b6d4);
  color: white;
  font-weight: 600;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  transition: transform 0.2s ease, background 0.3s;
}

.add-btn:hover {
  background: linear-gradient(to right, #2563eb, #0ea5e9);
  transform: scale(1.03);
}

/* ✨ Delete Button Update */
.delete-button {
  background: linear-gradient(to right, #6366f1, #ec4899);
  color: white;
  padding: 0.4rem 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: transform 0.2s ease, background 0.3s ease;
}

.delete-button:hover {
  transform: scale(1.05);
  background: linear-gradient(to right, #4f46e5, #db2777);
}

/* Gradient Background */
body.gradient {
  background: linear-gradient(to top right, #0f172a, #1e3a8a);
}

/* Toastify Notifications */
.toastify {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  border-radius: 8px;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
  color: #f8fafc;
  animation: toastPulse 0.3s ease-out;
}

.toastify.success {
  background: linear-gradient(to right, #00c9ff, #92fe9d);
  border-left: 5px solid #22c55e;
}

.toastify.error {
  background: linear-gradient(to right, #ff6a6a, #b30000);
  border-left: 5px solid #ef4444;
}

body.dark .toastify.success {
  background: linear-gradient(to right, #0f766e, #14b8a6);
  border-left: 5px solid #22c55e;
  color: #e0f2fe;
}

body.dark .toastify.error {
  background: linear-gradient(to right, #7f1d6a, #921666);
  border-left: 5px solid #ef4483;
  color: #fee2e2;
}

@keyframes toastPulse {
  0% {
    transform: scale(0.95);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Toggle-Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--toggle-bg-off);
  transition: background-color 0.3s;
  border-radius: 28px;
}

.slider::before {
  content: "";
  position: absolute;
  height: 24px;
  width: 24px;
  left: 2px;
  bottom: 2px;
  background-color: var(--toggle-handle);
  transition: transform 0.3s;
  border-radius: 50%;
}

.switch input:checked + .slider {
  background-color: var(--toggle-bg-on);
}

.switch input:checked + .slider::before {
  transform: translateX(24px);
}