/* ═══════════════════════════════════════════════════
   DEV MODE DASHBOARD
   ═══════════════════════════════════════════════════ */

.dev-trigger {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dev-trigger::after {
  content: '⚙';
  font-size: 18px;
}

.dev-trigger:hover {
  opacity: 1 !important;
  border-color: var(--neon-primary);
}

/* Show trigger in debug mode */
body.debug-mode .dev-trigger {
  opacity: 0.4;
}

/* Overlay */
.dev-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(6, 6, 14, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out-expo);
}

.dev-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Panel */
.dev-panel {
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  border-radius: 24px;
  background: rgba(15, 15, 30, 0.95);
  border: 1px solid var(--border-glass);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.dev-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border-glass);
}

.dev-panel-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.dev-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all 0.3s;
}

.dev-close-btn:hover {
  background: rgba(255, 50, 50, 0.1);
  border-color: rgba(255, 50, 50, 0.3);
  color: #ff5555;
}

/* Panel Body */
.dev-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

.dev-teacher-block {
  margin-bottom: 32px;
  padding: 24px;
  border-radius: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
}

.dev-teacher-block h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--neon-primary);
}

.dev-field {
  margin-bottom: 14px;
}

.dev-field label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.dev-field input,
.dev-field textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-family: var(--font-ar);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s;
  direction: rtl;
}

.dev-field input:focus,
.dev-field textarea:focus {
  border-color: var(--neon-primary);
  box-shadow: 0 0 12px var(--neon-glow-soft);
}

.dev-field textarea {
  min-height: 60px;
  resize: vertical;
}

.dev-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Panel Toolbar (top action bar — ربط الملف + إضافة معلم) */
.dev-panel-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 28px;
  border-bottom: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.02);
  position: sticky;
  top: 0;
  z-index: 2;
}

/* Panel Footer */
.dev-panel-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 28px;
  border-top: 1px solid var(--border-glass);
  justify-content: flex-end;
}

.dev-btn {
  padding: 10px 24px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s var(--ease-out-quart);
}

.dev-btn-save {
  background: var(--neon-gradient);
  color: white;
}

.dev-btn-save:hover {
  box-shadow: 0 0 24px var(--neon-glow);
  transform: translateY(-2px);
}

.dev-btn-reset {
  background: rgba(255, 50, 50, 0.1);
  border: 1px solid rgba(255, 50, 50, 0.2);
  color: #ff5555;
}

.dev-btn-reset:hover {
  background: rgba(255, 50, 50, 0.2);
}

.dev-btn-export {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

.dev-btn-export:hover {
  border-color: var(--neon-primary);
  color: var(--text-primary);
}

.dev-btn-link {
  background: rgba(80, 140, 255, 0.12);
  border: 1px solid rgba(80, 140, 255, 0.35);
  color: #7bb8ff;
}
.dev-btn-link:hover {
  background: rgba(80, 140, 255, 0.22);
}
.dev-btn-link.linked {
  background: rgba(40, 200, 120, 0.14);
  border-color: rgba(40, 200, 120, 0.45);
  color: #6be3a4;
}

.dev-btn-add {
  background: rgba(120, 80, 255, 0.16);
  border: 1px solid rgba(120, 80, 255, 0.4);
  color: #c0a8ff;
}
.dev-btn-add:hover {
  background: rgba(120, 80, 255, 0.26);
}

/* Image row — preview thumbnail + text input side by side */
.dev-image-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dev-image-preview {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border-glass);
  background: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
  display: none; /* hidden until src is set */
}

.dev-image-preview.secure-img-loaded,
.dev-image-preview[src] {
  display: block;
}

.dev-image-row input[type="text"] {
  flex: 1;
  min-width: 0;
}

/* Toast Notification */
.dev-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  border-radius: 14px;
  background: rgba(15, 15, 30, 0.95);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 10001;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s var(--ease-out-expo);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.dev-toast.show {
  transform: translateY(0);
  opacity: 1;
}

.dev-toast.success {
  border-color: rgba(80, 200, 120, 0.3);
}

.dev-toast.error {
  border-color: rgba(255, 50, 50, 0.3);
}