/**
 * Insertabot Admin Styles (refactored with CSS variables + a11y + reduced-motion)
 */

:root {
  --insertabot-max-width: 1200px;

  --insertabot-radius-sm: 6px;
  --insertabot-radius-md: 8px;
  --insertabot-radius-lg: 12px;

  --insertabot-shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.05);
  --insertabot-shadow-welcome: 0 10px 30px rgba(102, 126, 234, 0.3);
  --insertabot-shadow-upgrade: 0 10px 30px rgba(240, 147, 251, 0.3);

  --insertabot-border: 1px solid #ccd0d4;
  --insertabot-text-muted: #555;

  --insertabot-primary: #667eea;

  --insertabot-welcome-grad: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --insertabot-upgrade-grad: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);

  --insertabot-glass-bg: rgba(255, 255, 255, 0.1);
  --insertabot-glass-bg-strong: rgba(255, 255, 255, 0.15);
  --insertabot-glass-border: 1px solid rgba(255, 255, 255, 0.2);
  --insertabot-glass-border-strong: 2px solid rgba(255, 255, 255, 0.4);
}

/* Wrapper */
.insertabot-admin-wrap {
  max-width: var(--insertabot-max-width);
  margin: 20px 0;
}

/* Cards base */
.insertabot-settings-card,
.insertabot-help-card {
  background: #fff;
  border: var(--insertabot-border);
  border-radius: var(--insertabot-radius-md);
  padding: 30px;
  margin: 20px 0;
}

.insertabot-settings-card {
  box-shadow: var(--insertabot-shadow-soft);
}

.insertabot-settings-card.insertabot-has-key {
  border-left: 4px solid var(--insertabot-primary);
}

/* Welcome Card */
.insertabot-welcome-card {
  background: var(--insertabot-welcome-grad);
  border-radius: var(--insertabot-radius-lg);
  padding: 40px;
  margin: 20px 0 30px;
  color: #fff;
  display: flex;
  gap: 40px;
  align-items: center;
  box-shadow: var(--insertabot-shadow-welcome);
}

.insertabot-welcome-content {
  flex: 1;
}

.insertabot-welcome-card h2 {
  font-size: 32px;
  margin: 0 0 10px;
  color: #fff;
}

.insertabot-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin: 0 0 30px;
}

/* Glass panels */
.insertabot-step,
.insertabot-features,
.insertabot-upgrade-col {
  background: var(--insertabot-glass-bg);
  padding: 20px;
  border-radius: var(--insertabot-radius-md);
  border: var(--insertabot-glass-border);
}

/* Prefer progressive enhancement for blur */
@supports ((-webkit-backdrop-filter: blur(10px)) or (backdrop-filter: blur(10px))) {
  .insertabot-step,
  .insertabot-upgrade-col {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}

.insertabot-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.insertabot-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.insertabot-step-number {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}

.insertabot-step-content h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #fff;
}

.insertabot-step-content p {
  margin: 0 0 12px;
  opacity: 0.9;
}

.insertabot-features h3 {
  margin: 0 0 12px;
  color: #fff;
}

.insertabot-features ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.insertabot-features li {
  padding: 8px 0;
  opacity: 0.95;
}

.insertabot-welcome-image {
  flex-shrink: 0;
  width: 300px;
}

.insertabot-welcome-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Toggle Switch */
.insertabot-toggle {
  position: relative;
  display: inline-block;
  width: 54px;
  height: 28px;
  margin-right: 8px;
}

.insertabot-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.insertabot-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #ccc;
  transition: background-color 0.3s, opacity 0.3s;
  border-radius: 28px;
}

.insertabot-toggle-slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: #fff;
  transition: transform 0.3s;
  border-radius: 50%;
}

.insertabot-toggle input:checked + .insertabot-toggle-slider {
  background-color: var(--insertabot-primary);
}

.insertabot-toggle input:checked + .insertabot-toggle-slider::before {
  transform: translateX(26px);
}

.insertabot-toggle input:disabled + .insertabot-toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Keyboard focus visibility */
.insertabot-toggle input:focus-visible + .insertabot-toggle-slider {
  outline: 2px solid rgba(255, 255, 255, 0.9);
  outline-offset: 2px;
}

/* Upgrade Card */
.insertabot-upgrade-card {
  background: var(--insertabot-upgrade-grad);
  border-radius: var(--insertabot-radius-lg);
  padding: 40px;
  margin: 30px 0;
  color: #fff;
  text-align: center;
  box-shadow: var(--insertabot-shadow-upgrade);
}

.insertabot-upgrade-icon {
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 20px;
}

.insertabot-upgrade-card h2 {
  font-size: 32px;
  margin: 0 0 10px;
  color: #fff;
}

.insertabot-upgrade-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin: 0 0 30px;
}

.insertabot-upgrade-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 30px 0;
  text-align: left;
}

.insertabot-upgrade-col {
  padding: 24px;
}

.insertabot-upgrade-col-pro {
  border: var(--insertabot-glass-border-strong);
  background: var(--insertabot-glass-bg-strong);
}

.insertabot-upgrade-col h3 {
  margin: 0 0 16px;
  font-size: 20px;
  color: #fff;
}

.insertabot-upgrade-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.insertabot-upgrade-col li {
  padding: 8px 0;
  opacity: 0.95;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.insertabot-upgrade-col li:last-child {
  border-bottom: 0;
}

.insertabot-upgrade-note {
  margin: 20px 0 0;
  opacity: 0.9;
  font-size: 14px;
}

/* Help Card */
.insertabot-help-card h2 {
  margin: 0 0 20px;
}

.insertabot-help-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.insertabot-help-item {
  padding: 20px;
  background: #f7f8fa;
  border-radius: var(--insertabot-radius-sm);
  border-left: 3px solid var(--insertabot-primary);
}

.insertabot-help-item h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.insertabot-help-item p {
  margin: 0;
  font-size: 14px;
  color: var(--insertabot-text-muted);
}

.insertabot-help-item code {
  background: #e3e4e8;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
  .insertabot-welcome-card {
    flex-direction: column;
    padding: 30px 20px;
  }

  .insertabot-welcome-image {
    width: 100%;
    max-width: 250px;
  }

  .insertabot-upgrade-features {
    grid-template-columns: 1fr;
  }

  .insertabot-help-grid {
    grid-template-columns: 1fr;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .insertabot-toggle-slider,
  .insertabot-toggle-slider::before {
    transition: none;
  }
}