/* Base Theme and Variables */
:root {
  --bg-app: #080c14;
  --bg-sidebar: rgba(15, 22, 38, 0.75);
  --bg-workspace: #0b0f19;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-focus: #6366f1;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #1e293b;
  --secondary-hover: #334155;
  --pne-color: #f59e0b;
  --pne-bg: rgba(245, 158, 11, 0.12);
  --pne-border: #f59e0b;
  --pne-visual-bg: rgba(139, 92, 246, 0.12);
  --pne-visual-border: #8b5cf6;
  --pne-auditiva-bg: rgba(249, 115, 22, 0.12);
  --pne-auditiva-border: #f97316;
  --pne-motora-bg: rgba(20, 184, 166, 0.12);
  --pne-motora-border: #14b8a6;
  --pne-intelectual-bg: rgba(59, 130, 246, 0.12);
  --pne-intelectual-border: #3b82f6;
  --pne-tdah-bg: rgba(245, 158, 11, 0.12);
  --pne-tdah-border: #f59e0b;
  --pne-tea-bg: rgba(99, 102, 241, 0.12);
  --pne-tea-border: #6366f1;
  --door-color: #f43f5e;
  --window-color: #38bdf8;
  --board-color: #059669;
  --board-border: #047857;
  --font-family: 'Outfit', sans-serif;
  --transition-speed: 0.25s;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* App Container Layout */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Sidebar - Glassmorphism style */
.sidebar {
  width: 380px;
  background-color: var(--bg-sidebar);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100%;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--primary);
  filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.5));
}

.app-logo h1 {
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 30%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-header .subtitle {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
  padding-left: 38px;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Config Sections */
.config-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.config-section h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-num {
  font-size: 10px;
  background-color: var(--primary);
  color: #fff;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Input Fields & Controls */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 10px 14px;
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 14px;
  transition: all var(--transition-speed) ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  background-color: rgba(0, 0, 0, 0.4);
}

/* Dimension Controls with +/- buttons */
.grid-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.number-control {
  display: flex;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.number-control input {
  border: none;
  background: transparent;
  text-align: center;
  width: 100%;
  padding: 10px 0;
  -moz-appearance: textfield;
}

.number-control input::-webkit-outer-spin-button,
.number-control input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.btn-qty {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 600;
  width: 36px;
  height: 100%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-speed), color var(--transition-speed);
}

.btn-qty:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

/* Doors & Windows Custom selectors */
.feature-selector {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px;
  margin-top: 4px;
}

.feature-selector h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  border-left: 2.5px solid var(--primary);
  padding-left: 6px;
}

.selector-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Save / Load styles */
.save-load-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.saved-classes-row {
  display: flex;
  gap: 8px;
}

.saved-classes-row select {
  flex: 1;
}

.btn-delete-icon {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border-radius: 8px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.btn-delete-icon:hover:not(:disabled) {
  background-color: #ef4444;
  color: #fff;
  border-color: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.3);
}

.btn-delete-icon:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  border: none;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
}

/* Sidebar Footer & PDF Options */
.sidebar-footer {
  padding: 24px;
  border-top: 1px solid var(--border-color);
  background-color: rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pdf-orientation-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pdf-orientation-toggle label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.toggle-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3px;
}

.btn-toggle {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.btn-toggle.active {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.2);
}

/* Main Workspace */
.workspace {
  flex: 1;
  background-color: var(--bg-workspace);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

/* Grid overlay background to make it look like an architectural plan */
.workspace::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
}

.workspace-header {
  padding: 20px 30px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}

.class-info-display {
  display: flex;
  gap: 24px;
}

.info-tag {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.info-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.info-value {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.board-indicator {
  background: linear-gradient(90deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.8));
  border: 1px solid var(--border-color);
  padding: 8px 30px;
  border-radius: 30px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

/* Classroom Canvas Area */
.classroom-canvas-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow: auto;
  z-index: 1;
}

/* Real classroom walls representation */
.classroom-walls {
  background-color: rgba(15, 23, 42, 0.4);
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 800px;
  max-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 35px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 0 20px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

/* Door and Window Placement */
.wall-feature {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 800;
  color: white;
  letter-spacing: 0.5px;
  z-index: 10;
  user-select: none;
  border-radius: 3px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.wall-feature.door {
  background-color: var(--door-color);
  border: 1.5px solid #991b1b;
  box-shadow: 0 0 10px rgba(244, 63, 94, 0.3);
}

.wall-feature.window {
  background-color: var(--window-color);
  border: 1.5px solid #0284c7;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
  color: #0b0f19;
}

.wall-feature.board {
  background-color: var(--board-color);
  border: 1.5px solid var(--board-border);
  box-shadow: 0 0 10px rgba(5, 150, 105, 0.3);
  color: #ffffff;
}

/* Positioning wall items dynamic logic styles from JS:
   Top/Bottom walls have width: 80px, height: 12px
   Left/Right walls have width: 12px, height: 80px */
.wall-feature.h-feature {
  width: 80px;
  height: 12px;
}

.wall-feature.v-feature {
  width: 12px;
  height: 80px;
}

/* Board is larger than doors/windows */
.wall-feature.board.h-feature {
  width: 110px;
}

.wall-feature.board.v-feature {
  height: 110px;
}

/* Classroom Grid */
.classroom-grid {
  display: grid;
  gap: 16px;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-content: center;
  transition: all 0.3s ease;
}

/* Desk Card Component */
.desk {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all var(--transition-speed) cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.desk:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Special Needs Desk Highlight */
.desk.special {
  background-color: var(--pne-bg);
  border-color: var(--pne-border);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.15);
}

.desk.special:hover {
  background-color: rgba(245, 158, 11, 0.18);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.25);
  border-color: #fbbf24;
}

.desk-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.desk-id {
  font-size: 8px;
  font-weight: 700;
  color: var(--text-muted);
}

/* PNE checkbox/toggle badge */
.btn-pne-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  border-radius: 4px;
  transition: all var(--transition-speed) ease;
}

.btn-pne-toggle:hover {
  color: rgba(255, 255, 255, 0.4);
  background-color: rgba(255, 255, 255, 0.05);
}

.desk.special .btn-pne-toggle {
  color: var(--pne-color);
}

.desk.special .btn-pne-toggle:hover {
  color: #fbbf24;
  background-color: rgba(245, 158, 11, 0.1);
}

/* Desk header actions: groups PNE toggle + type badge */
.desk-header-actions {
  display: flex;
  align-items: center;
  gap: 3px;
}

/* PNE type badge button */
.btn-pne-type {
  background-color: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #f59e0b;
  font-size: 7px;
  font-weight: 800;
  letter-spacing: 0.3px;
  padding: 1px 4px;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.4;
  transition: all var(--transition-speed) ease;
  white-space: nowrap;
}
.btn-pne-type:hover {
  background-color: rgba(245, 158, 11, 0.3);
}

/* Type-specific badge colors */
.desk.pne-visual   .btn-pne-type { background-color: rgba(139,92,246,0.15); border-color: rgba(139,92,246,0.4); color: #8b5cf6; }
.desk.pne-auditiva .btn-pne-type { background-color: rgba(249,115,22,0.15); border-color: rgba(249,115,22,0.4); color: #f97316; }
.desk.pne-motora   .btn-pne-type { background-color: rgba(20,184,166,0.15); border-color: rgba(20,184,166,0.4); color: #14b8a6; }
.desk.pne-intelectual .btn-pne-type { background-color: rgba(59,130,246,0.15); border-color: rgba(59,130,246,0.4); color: #3b82f6; }
.desk.pne-tdah     .btn-pne-type { background-color: rgba(245,158,11,0.15); border-color: rgba(245,158,11,0.4); color: #f59e0b; }
.desk.pne-tea      .btn-pne-type { background-color: rgba(99,102,241,0.15); border-color: rgba(99,102,241,0.4); color: #6366f1; }

/* Student input field inside desk */
.student-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1.5px dashed rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 0;
  text-align: center;
  transition: border-color var(--transition-speed);
}

.student-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
  font-style: italic;
  font-size: 11px;
}

.student-input:focus {
  outline: none;
  border-bottom-color: var(--primary);
  border-bottom-style: solid;
}

.desk.special .student-input {
  border-bottom-color: rgba(245, 158, 11, 0.3);
}

.desk.special .student-input:focus {
  border-bottom-color: var(--pne-border);
}

/* Student behavior badge (texto livre manual) */
.btn-behavior-toggle {
  background-color: rgba(219, 234, 254, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #1E40AF;
  font-size: 7px;
  font-weight: 800;
  padding: 1px 4px;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.4;
  transition: all var(--transition-speed) ease;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 14px;
}

.btn-behavior-toggle:hover {
  background-color: rgba(219, 234, 254, 0.3);
  border-color: rgba(59, 130, 246, 0.5);
}

.student-behavior {
  margin-top: 4px;
  background-color: #DBEAFE;
  color: #1E40AF;
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: 6px;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.student-behavior-input {
  width: 100%;
  background-color: rgba(219, 234, 254, 0.2);
  color: #1E40AF;
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: 6px;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 4px;
  outline: none;
  margin-top: 4px;
  text-align: center;
}

.student-behavior-input::placeholder {
  color: rgba(30, 64, 175, 0.6);
  font-weight: 600;
  font-style: italic;
}

/* Visual chair representation attached to desk */
.desk-chair {
  height: 8px;
  width: 40%;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: none;
  border-radius: 3px 3px 0 0;
  margin: 6px auto 0 auto;
  transition: all var(--transition-speed) ease;
}

.desk:hover .desk-chair {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.desk.special .desk-chair {
  background-color: rgba(245, 158, 11, 0.2);
  border-color: rgba(245, 158, 11, 0.4);
}

/* Hide Chairs toggle */
.classroom-walls.hide-chairs .desk-chair {
  display: none;
}

/* PNE type desk variants */
.desk.pne-visual {
  background-color: var(--pne-visual-bg);
  border-color: var(--pne-visual-border);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.15);
}
.desk.pne-auditiva {
  background-color: var(--pne-auditiva-bg);
  border-color: var(--pne-auditiva-border);
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.15);
}
.desk.pne-motora {
  background-color: var(--pne-motora-bg);
  border-color: var(--pne-motora-border);
  box-shadow: 0 0 12px rgba(20, 184, 166, 0.15);
}
.desk.pne-intelectual {
  background-color: var(--pne-intelectual-bg);
  border-color: var(--pne-intelectual-border);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.15);
}
.desk.pne-tdah {
  background-color: var(--pne-tdah-bg);
  border-color: var(--pne-tdah-border);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.15);
}
.desk.pne-tea {
  background-color: var(--pne-tea-bg);
  border-color: var(--pne-tea-border);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.15);
}

/* Workspace header action button */
.workspace-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-workspace-action {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.btn-workspace-action:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-workspace-action.active {
  background-color: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* Footer Legend */
.workspace-footer {
  padding: 20px 30px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}

.legend {
  display: flex;
  gap: 20px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  display: inline-block;
}

.color-standard {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.color-special {
  background-color: var(--pne-bg);
  border: 1.5px solid var(--pne-border);
}

.color-door {
  background-color: var(--door-color);
}

.color-window {
  background-color: var(--window-color);
}

.color-board {
  background-color: var(--board-color);
  border: 1px solid var(--board-border);
}

.tip-box {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  background-color: rgba(255, 255, 255, 0.01);
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px dashed var(--border-color);
}

.tip-icon {
  color: var(--primary);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: -320px;
  width: 280px;
  padding: 14px 18px;
  background-color: #1e293b;
  border-left: 4px solid var(--primary);
  border-radius: 0 6px 6px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  z-index: 100;
  transition: right 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
  right: 24px;
}

.toast.error {
  border-left-color: #ef4444;
}

.toast.success {
  border-left-color: #10b981;
}

/* Landscape adjustment in main container if chosen (just scaling helper) */
.landscape-view .classroom-walls {
  max-width: 900px;
  max-height: 480px;
}

/* Print Preview Modal */
.preview-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
}

.preview-modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.preview-modal-container {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}

.preview-modal-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background-color: rgba(15, 22, 38, 0.95);
  border-bottom: 1px solid var(--border-color);
  z-index: 1;
  flex-shrink: 0;
}

.preview-toolbar-left,
.preview-toolbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.preview-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.preview-zoom-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.preview-zoom-label {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-zoom {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.btn-zoom:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.btn-zoom.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn-preview-close {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.btn-preview-close:hover {
  background-color: #ef4444;
  color: #fff;
}

.preview-modal-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 24px;
}

.preview-pdf-wrapper {
  background-color: #fff;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  border-radius: 4px;
  overflow: hidden;
  transform-origin: top center;
  transition: transform 0.3s ease;
}

.preview-iframe {
  display: block;
  border: none;
  width: 794px;
  height: 1123px;
}

/* PNE Popover */
.pne-popover {
  position: fixed;
  z-index: 300;
  background-color: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  min-width: 180px;
  animation: popoverIn 0.15s ease;
}

@keyframes popoverIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

.pne-popover-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 0 4px 8px 4px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 6px;
}

.pne-options {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.pne-option {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition-speed);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pne-option:hover {
  background-color: rgba(255, 255, 255, 0.07);
}

.pne-option[data-type="none"] { color: #94a3b8; }
.pne-option[data-type="visual"]:hover { background-color: rgba(139, 92, 246, 0.15); }
.pne-option[data-type="auditiva"]:hover { background-color: rgba(249, 115, 22, 0.15); }
.pne-option[data-type="motora"]:hover { background-color: rgba(20, 184, 166, 0.15); }
.pne-option[data-type="intelectual"]:hover { background-color: rgba(59, 130, 246, 0.15); }
.pne-option[data-type="tdah"]:hover { background-color: rgba(245, 158, 11, 0.15); }
.pne-option[data-type="tea"]:hover { background-color: rgba(99, 102, 241, 0.15); }