/* =================================================================
   TRINITY CAPITAL TEACHER DASHBOARD - MODERN UI
   ================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

/* CSS Custom Properties */
:root {
  /* Primary Colors */
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #00ffcc;
  --accent-secondary: #ff6b6b;

  /* Gradients */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --accent-gradient: linear-gradient(135deg, #00ffcc 0%, #00d4aa 100%);
  --error-gradient: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
  --success-gradient: linear-gradient(135deg, #00ffcc 0%, #00d4aa 100%);

  /* Glass Morphism */
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.1);
  --bg-glass-strong: rgba(255, 255, 255, 0.15);

  /* Background */
  --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --bg-secondary: rgba(26, 32, 44, 0.8);
  --bg-card: rgba(255, 255, 255, 0.08);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-accent: #00ffcc;

  /* Shadows */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;

  /* Border Radius */
  --radius-sm: 10px;
  --radius-md: 15px;
  --radius-lg: 20px;
  --radius-xl: 25px;
}

/* =================================================================
   GLOBAL STYLES
   ================================================================= */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background Effects */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(102, 126, 234, 0.2) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(118, 75, 162, 0.2) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(0, 255, 204, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
  z-index: -1;
}

/* Selection styling */
::selection {
  background: var(--accent-gradient);
  color: #1a202c;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gradient);
}

/* =================================================================
   NAVBAR STYLES
   ================================================================= */

.navbar {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
  margin: 1rem;
  border-radius: var(--radius-lg);
  padding: 1rem 2rem;
  position: relative;
  z-index: 1000;
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--accent-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.navbar-text {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Hide until login */
.hidden-until-login {
  display: none;
}

/* =================================================================
   DASHBOARD LAYOUT
   ================================================================= */

.dashboard {
  display: flex;
  gap: 2rem;
  padding: 0 2rem 2rem 2rem;
  min-height: calc(100vh - 140px);
}

/* =================================================================
   SIDEBAR STYLES
   ================================================================= */

.sidebar {
  width: 320px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  height: fit-content;
  position: sticky;
  top: 2rem;
}

.sidebar h4 {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 2rem;
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.sidebar-action {
  width: 100%;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-medium);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.sidebar-action::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--accent-gradient);
  transition: left var(--transition-medium);
  z-index: -1;
}

.sidebar-action:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-color);
  color: #ffffff;
}

.sidebar-action:hover::before {
  left: 0;
}

.sidebar-action:active {
  transform: translateY(0);
}

.sidebar .btn:hover {
  background-color: #4c0e8a;
}

.class-health-score {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
  font-weight: bold;
  color: #00ffcc;
}

/* =================================================================
   STUDENTS CONTAINER
   ================================================================= */

.students-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  overflow-y: auto;
  max-height: calc(100vh - 140px);
  padding-right: 1rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 204, 0.3) transparent;
}

.students-container::-webkit-scrollbar {
  width: 8px;
}

.students-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}

.students-container::-webkit-scrollbar-thumb {
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
}

.students-container::-webkit-scrollbar-thumb:hover {
  background: var(--primary-gradient);
}

.class-period {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 3rem; /* Further increased margin between periods */
  position: relative;
  overflow: hidden;
  max-height: 750px; /* Significantly increased max height */
  display: flex;
  flex-direction: column;
}

.class-period::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-gradient);
}

.class-period h4 {
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0; /* Prevent header from shrinking */
  position: sticky;
  top: 0;
  background-color: var(--bg-glass);
  backdrop-filter: blur(20px);
  z-index: 2;
  padding: 0.5rem 0;
  margin: -0.5rem -1.5rem 1.5rem -1.5rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.class-period h4::before {
  content: "📚";
  font-size: 1.2rem;
}

.students-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  row-gap: 1rem; /* Exactly 1rem vertical space between cards */
  column-gap: 1.5rem; /* Horizontal spacing */
  overflow-y: auto;
  flex: 1;
  padding-right: 0.5rem;
  padding-bottom: 1rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 204, 0.3) transparent;
  align-items: start;
  grid-auto-rows: min-content; /* Let rows size to their content */
}

.students-grid::-webkit-scrollbar {
  width: 8px;
}

.students-grid::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}

.students-grid::-webkit-scrollbar-thumb {
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
}

.students-grid::-webkit-scrollbar-thumb:hover {
  background: var(--primary-gradient);
}

/* =================================================================
   STUDENT CARDS
   ================================================================= */

.student-card {
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: all var(--transition-medium);
  overflow: visible;
  height: auto;
  min-height: 450px;
  margin: 0; /* Remove all margins - use grid gap for spacing */
  z-index: 1;
}

.student-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-medium);
}

.student-card:hover {
  transform: translateY(-3px); /* Reduced hover lift to prevent overlap */
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 255, 204, 0.4);
  background: rgba(255, 255, 255, 0.18);
  z-index: 10; /* Ensure hovered card is on top */
}

.student-card:hover::before {
  transform: scaleX(1);
}

.student-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 0.75rem;
  position: relative;
  flex-shrink: 0; /* Prevent name section from shrinking */
}

.student-card .first-name {
  font-weight: 800;
  font-size: 1.3rem;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  margin: 0;
  text-align: center;
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  /* Fallback for better visibility */
  -webkit-text-stroke: 0.5px rgba(255, 255, 255, 0.8);
}

.student-card .last-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  margin: 0;
  text-align: center;
}

.student-pie {
  width: 100px;
  height: 100px;
  align-self: center;
  margin: 0.75rem auto; /* Reduced margin for better space usage */
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  flex-shrink: 0; /* Prevent the pie from shrinking */
  display: block; /* Ensure it maintains its dimensions */
}

.student-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: 1rem; /* Ensure space before buttons */
  min-height: 120px; /* Ensure minimum space for student info */
}

.student-info p {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  margin: 0;
  font-weight: 600;
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  font-size: 0.95rem;
}

.student-info p:hover {
  background: rgba(255, 255, 255, 0.15);
  border-left-color: var(--accent-color);
  color: #ffffff;
  transform: translateX(2px);
}

.student-info p strong {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.student-info p .value {
  color: var(--accent-color);
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.student-info p:nth-child(1) {
  border-left-color: #4ade80;
} /* Checking */
.student-info p:nth-child(2) {
  border-left-color: #60a5fa;
} /* Savings */
.student-info p:nth-child(3) {
  border-left-color: #f59e0b;
} /* Grade */
.student-info p:nth-child(4) {
  border-left-color: #8b5cf6;
} /* Lessons */

.student-card-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: auto; /* Push buttons to bottom */
  flex-shrink: 0; /* Prevent buttons from shrinking */
  padding-top: 0.5rem; /* Add some spacing from content above */
}

.message-btn,
.health-btn {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.message-btn {
  background: var(--bg-glass-strong);
  backdrop-filter: blur(15px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.message-btn:hover {
  background: var(--primary-gradient);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: #ffffff;
  border-color: transparent;
}

.health-btn {
  background: var(--accent-gradient);
  color: #1a202c;
  font-weight: 800;
  text-shadow: none;
}

.health-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 204, 0.4);
  filter: brightness(1.1);
}

.hidden-until-login {
  display: none !important;
}

/* Modern Responsive Enhancements */
@media (max-width: 1200px) {
  .students-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
  }

  .sidebar {
    width: 60px;
  }

  .sidebar .btn {
    padding: 0.5rem;
  }

  .sidebar .btn span {
    display: none;
  }

  .main-content {
    margin-left: 60px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 1rem;
  }

  .navbar {
    padding: 0.5rem 1rem;
  }

  .students-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .period-card {
    padding: 1rem;
  }
}

/* Loading States and Animations */
.student-card {
  animation: fadeInUp 0.4s ease forwards;
  opacity: 0;
  transform: translateY(20px);
}

.student-card:nth-child(1) {
  animation-delay: 0.1s;
}
.student-card:nth-child(2) {
  animation-delay: 0.2s;
}
.student-card:nth-child(3) {
  animation-delay: 0.3s;
}
.student-card:nth-child(4) {
  animation-delay: 0.4s;
}
.student-card:nth-child(5) {
  animation-delay: 0.5s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Enhanced Focus States for Accessibility */
.btn:focus,
.student-card:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-gradient);
}

/* Modern Dialog Styles */
dialog#globalDialog {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-radius: var(--radius-xl);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  box-shadow: var(--shadow-lg);
  padding: 0;
  overflow: hidden;
  max-height: 90vh;
  max-width: 90vw;
  width: 60vw;
  height: 80vh;
  flex-direction: column;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}

dialog#globalDialog[open] {
  display: flex;
}

dialog#globalDialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

#globalDialog .dialog-header {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  font-weight: 700;
  font-size: 1.3em;
  color: var(--text-primary);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(15px);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5em 2em;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#globalDialog .dialog-header > span {
  flex: 1;
  text-align: center;
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#globalDialog .dialog-body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  font-weight: 400;
  color: var(--text-primary);
  font-size: 1em;
  text-align: center;
  padding: 2em;
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

#globalDialog .dialog-body::-webkit-scrollbar {
  width: 8px;
}

#globalDialog .dialog-body::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}

#globalDialog .dialog-body::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: var(--radius-sm);
}

#closeGlobalDialog {
  color: var(--text-primary);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 1.2em;
  cursor: pointer;
  transition: all var(--transition-medium);
  display: flex;
  align-items: center;
  justify-content: center;
}

#closeGlobalDialog:hover {
  background: var(--accent-gradient);
  color: #1a202c;
  transform: scale(1.1);
}

/* --- Create Lesson Modal Layout --- */
.lesson-modal-layout {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.lesson-modal-footer {
  flex-shrink: 0; /* Prevent footer from shrinking */
  padding-top: 1.2em;
  margin-top: 1.5em;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  justify-content: flex-end;
  gap: 0.75em;
}

#saveLessonBtn {
  background: #00ffcc;
  color: #3b0a70;
  font-weight: 700;
}

/* --- Create Lesson Modal Styles --- */
.lesson-modal-container {
  display: flex;
  gap: 1.5em;
  flex-grow: 1; /* Fill available space */
  min-height: 0; /* Fix flexbox overflow */
  text-align: left;
}

.lesson-form-main {
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: 1.5em;
}

.lesson-actions-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  background: var(--bg-glass);
  backdrop-filter: blur(15px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  align-self: flex-start; /* Align to top */
  box-shadow: var(--shadow-md);
}

.lesson-actions-panel .btn {
  color: var(--text-primary); /* Bright white text */
  font-weight: 600; /* Bolder text */
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  transition: all var(--transition-medium);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
}

.lesson-actions-panel .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-color);
}

#createUnitBtn {
  background-color: #9575cd;
}
#assignToUnitBtn {
  background-color: #7e57c2;
  /* Ensure styles are maintained when moved out of the actions panel */
  color: #ffffff;
  font-weight: 600;
  border: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
}
#assignToUnitBtn:hover {
  transform: translateY(-2px);
  filter: brightness(1.15);
}
#assignToClassBtn {
  background-color: #5e35b1;
}
#uploadToWhirlpoolBtn {
  background-color: #00bfa5;
}

.dialog-section-title {
  font-weight: 700;
  color: var(--text-primary);
  background: var(--accent-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 1rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid rgba(0, 255, 204, 0.3);
  font-size: 1.2em;
  position: relative;
}

.dialog-section-title::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--accent-gradient);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}

.form-group label {
  font-weight: 700;
  font-size: 0.9em;
  color: rgba(255, 255, 255, 0.9);
}

.dialog-input,
.dialog-textarea,
.dialog-select {
  width: 100%;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 1em;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  transition: all var(--transition-medium);
}

.dialog-input:focus,
.dialog-textarea:focus,
.dialog-select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.2);
  background: var(--bg-glass-hover);
}

.dialog-input::placeholder,
.dialog-textarea::placeholder {
  color: var(--text-muted);
}

.dialog-textarea {
  min-height: 150px;
  resize: vertical;
  flex-grow: 1; /* Allow textarea to fill space */
}

.dialog-select option,
select.dialog-input option {
  /* Set background to white and text to black for readability in dropdown */
  background-color: white;
  color: black;
}

/* Messages Dialog Styles */
.lesson-builder-section {
  background: var(--bg-glass);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.block-controls {
  display: flex;
  gap: 0.75em;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1em;
  margin-top: 0.5em;
}

.btn-modal-action {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-medium);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
}

.btn-modal-action:hover {
  background: var(--bg-glass-hover);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.content-block,
.condition-block {
  background: var(--bg-glass);
  backdrop-filter: blur(15px);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem 2rem 2rem;
  margin-bottom: 1.5rem;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition-medium);
}

.content-block:hover,
.condition-block:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: var(--bg-glass-hover);
}

.remove-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-medium);
  display: flex;
  align-items: center;
  justify-content: center;
}

.remove-btn:hover {
  background: var(--error-gradient);
  color: #ffffff;
  transform: scale(1.1);
  border-color: transparent;
}

.condition-block .form-group {
  display: flex;
  align-items: center;
  gap: 0.75em;
  flex-wrap: wrap;
}

.condition-block .form-group label {
  flex-shrink: 0;
  margin-bottom: 0;
}

.condition-block .dialog-input {
  flex-grow: 1;
}

.content-block label,
.condition-block label {
  font-weight: 600;
  font-size: 0.85em;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
}

.action-details {
  margin-top: 0.5em;
  padding-left: 1em;
  border-left: 2px solid #9575cd;
}
/* Messages Dialog Styles */
dialog#messagesDialog {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-radius: var(--radius-xl);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  box-shadow: var(--shadow-lg);
  padding: 0;
  overflow: hidden;
  max-height: 90vh;
  max-width: 90vw;
  width: 80vw; /* Wider for messenger layout */
  height: 80vh;
  flex-direction: column;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}

dialog#messagesDialog[open] {
  display: flex;
}

dialog#messagesDialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

#messagesDialog .dialog-header {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  font-weight: 700;
  font-size: 1.3em;
  color: var(--text-primary);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(15px);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5em 2em;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#messagesDialog .dialog-header > span {
  flex: 1;
  text-align: center;
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#closeMessagesDialog {
  color: var(--text-primary);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 1.2em;
  cursor: pointer;
  transition: all var(--transition-medium);
  display: flex;
  align-items: center;
  justify-content: center;
}

#closeMessagesDialog:hover {
  background: var(--accent-gradient);
  color: #1a202c;
  transform: scale(1.1);
}

#messagesDialog .messages-dialog-body {
  display: flex;
  flex: 1; /* Take up remaining space */
  overflow: hidden; /* Hide overflow from panels */
  padding: 0; /* Remove padding from dialog-body itself */
}

.threads-panel {
  width: 30%; /* Adjust as needed */
  min-width: 200px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(15px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  overflow-y: auto;
  padding: 1em 0;
}

.thread-item {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
}

.thread-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--accent-gradient);
  transform: scaleY(0);
  transition: transform var(--transition-medium);
}

.thread-item:hover {
  background: var(--bg-glass-hover);
  transform: translateX(5px);
}

.thread-item:hover::before {
  transform: scaleY(1);
}

.thread-item.active-thread {
  background: var(--bg-glass-hover);
  border-left: 3px solid var(--accent-color);
}

.thread-name {
  font-weight: 700;
  display: block;
  margin-bottom: 0.2em;
}

.thread-preview {
  font-size: 0.85em;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.messages-panel {
  flex: 1; /* Take up remaining space */
  display: flex;
  flex-direction: column;
  padding: 1em;
  overflow: hidden; /* Hide overflow from list and input */
}

.messages-list {
  flex: 1; /* Take up available space */
  display: flex;
  flex-direction: column;
  gap: 0.5em; /* Add some space between bubbles */
  overflow-y: auto;
  padding-right: 0.5em; /* For scrollbar */
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 255, 0.3) transparent;
}

.messages-list::-webkit-scrollbar {
  width: 8px;
}

.messages-list::-webkit-scrollbar-track {
  background: transparent;
}

.messages-list::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
}

.message-wrapper {
  display: flex;
  flex-direction: column;
  max-width: 75%; /* Control width on the wrapper */
  gap: 4px; /* Space between bubble and timestamp */
}

.message-wrapper.sent {
  align-self: flex-end;
  align-items: flex-end; /* Align items inside to the right */
}

.message-wrapper.received {
  align-self: flex-start;
  align-items: flex-start; /* Align items inside to the left */
}

.message-item {
  padding: 0.7em 1em;
  border-radius: 15px;
  word-wrap: break-word;
}

.message-item p {
  margin: 0;
}

.message-item .message-content {
  color: #fff; /* Ensure text is white for both bubbles */
}

.message-wrapper.received .message-item {
  background-color: #9575cd; /* Lighter purple */
  border-bottom-left-radius: 5px;
}

.message-wrapper.sent .message-item {
  background-color: #5e35b1; /* Darker purple */
  border-bottom-right-radius: 5px;
}

.message-timestamp {
  font-size: 0.7em;
  color: rgba(255, 255, 255, 0.7);
  padding: 0 0.5em; /* Add some horizontal padding */
}

.message-input-area {
  display: flex;
  margin-top: 1em;
  gap: 0.5em;
}

.message-input-area input {
  flex: 1;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 1em;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  transition: all var(--transition-medium);
}

.message-input-area input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.2);
  background: var(--bg-glass-hover);
}

.message-input-area input::placeholder {
  color: var(--text-muted);
}

.message-input-area button {
  background: var(--accent-gradient);
  color: #1a202c;
  border: none;
  border-radius: var(--radius-xl);
  padding: 1rem 2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-medium);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  box-shadow: var(--shadow-md);
}

.message-input-area button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 204, 0.4);
}

/* Sign-On Dialog Styles */
dialog#signOnDialog {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-radius: var(--radius-xl);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  box-shadow: var(--shadow-lg);
  width: 400px;
  max-width: 90vw;
  max-height: 90vh;
  padding: 0;
  overflow: hidden;
  text-align: center;
  flex-direction: column;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}

dialog#signOnDialog[open] {
  display: flex;
}

dialog#signOnDialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
}

#signOnDialog .dialog-header {
  font-weight: 700;
  font-size: 1.3em;
  color: var(--text-primary);
  background: var(--bg-glass-strong);
  backdrop-filter: blur(15px);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  padding: 1.5em 2em 1em 2em;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#signOnDialog .dialog-body {
  font-weight: 400;
  color: var(--text-primary);
  font-size: 1em;
  padding: 2em 2.5em 2.5em 2.5em;
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

#signOnDialog .dialog-body::-webkit-scrollbar {
  width: 8px;
}

#signOnDialog .dialog-body::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}

#signOnDialog .dialog-body::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: var(--radius-sm);
}

#signOnDialog input {
  width: 100%;
  max-width: 300px;
  margin: 0.75em 0 1.5em 0;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-size: 1.1em;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  transition: all var(--transition-medium);
}

#signOnDialog input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.2);
  background: var(--bg-glass-hover);
}

#signOnDialog input::placeholder {
  color: var(--text-muted);
}

#signOnDialog button[type="submit"] {
  width: 100%;
  max-width: 300px;
  padding: 1rem 0;
  font-size: 1.1em;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  color: #1a202c;
  font-weight: 700;
  border: none;
  cursor: pointer;
  margin-top: 1rem;
  transition: all var(--transition-medium);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  box-shadow: var(--shadow-md);
}

#signOnDialog button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 255, 204, 0.4);
}

#signOnDialog .error-message {
  color: #ff6b6b;
  margin-bottom: 1rem;
  font-size: 1em;
  min-height: 1.5em;
  font-weight: 500;
}

/* --- Register Students Dialog --- */
.register-students-layout {
  display: flex;
  flex-direction: row; /* Changed from column */
  align-items: flex-start;
  gap: 1.5em;
  height: 100%;
}

.register-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1em;
  padding: 1.5em;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  height: 100%;
  overflow-y: auto; /* Add scroll if content overflows */
}

.vertical-divider {
  width: 1px;
  background-color: rgba(255, 255, 255, 0.2);
  align-self: stretch;
}

/* Responsive layout for the dialog */
@media (max-width: 992px) {
  .register-students-layout {
    flex-direction: column;
    overflow-y: auto;
  }
  .vertical-divider {
    display: none;
  }
}

/* Enhanced Lesson Builder Styles */
.condition-block {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.condition-block .remove-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: #e74c3c;
  color: white;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.condition-block .remove-btn:hover {
  background: #c0392b;
}

.btn-secondary {
  background-color: #6c757d !important;
  border-color: #6c757d !important;
}

.btn-secondary:hover {
  background-color: #5a6268 !important;
  border-color: #545b62 !important;
}

#templateSelector {
  animation: slideDown 0.3s ease-out;
}

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

.block-controls {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.lesson-builder-section {
  margin-bottom: 2rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
}

.dialog-section-title {
  color: #fff;
  margin-bottom: 1rem;
  font-weight: 600;
}

/* Action detail inputs */
.action-details {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.action-details .dialog-input,
.action-details .dialog-textarea {
  margin-bottom: 0.5rem;
}

/* Grouping styles for optgroups */
.dialog-input optgroup {
  font-weight: bold;
  font-style: normal;
}

.dialog-input option {
  font-weight: normal;
  padding: 4px 8px;
}

/* Template description styling */
#templateDescription {
  font-size: 0.9em;
  line-height: 1.4;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  border-left: 3px solid #3b0a70;
}

@media (max-width: 768px) {
  .dashboard {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    margin-bottom: 1rem;
  }

  .students-grid {
    grid-template-columns: 1fr;
  }

  .block-controls {
    flex-direction: column;
  }

  .condition-block {
    padding: 0.75rem;
  }
}

/* ===== LESSON COMPLETION SYSTEM STYLES ===== */

.lesson-completion-config {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0.5rem;
}

.lesson-completion-config label {
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.25rem;
  font-size: 0.9em;
}

.scoring-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.score-setting {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.score-setting label {
  font-size: 0.85em;
  font-weight: 500;
  color: #ffffff;
}

.score-setting input {
  padding: 0.4rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.9);
  color: #333;
}

.score-setting select {
  padding: 0.4rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.9);
  color: #333;
  cursor: pointer;
}

.score-setting input:focus,
.score-setting select:focus {
  outline: none;
  border-color: #00ffcc;
  box-shadow: 0 0 0 2px rgba(0, 255, 204, 0.3);
  background: white;
}

.score-setting small {
  font-size: 0.75em;
  color: rgba(255, 255, 255, 0.8);
  font-style: italic;
  margin-top: 0.15rem;
}

/* Lesson completion status indicators */
.lesson-status {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75em;
  font-weight: 600;
}

.lesson-status.completed {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.lesson-status.in-progress {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.lesson-status.not-started {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Score display styling */
.lesson-score {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, #3b0a70, #240a5e);
  color: white;
  border-radius: 15px;
  font-weight: 600;
  font-size: 0.8em;
  box-shadow: 0 2px 4px rgba(59, 10, 112, 0.3);
}

.lesson-score .score-value {
  font-size: 1.1em;
}

.lesson-score .score-max {
  opacity: 0.8;
  font-size: 0.9em;
}

/* ===== SMART GOAL TEMPLATE STYLES ===== */

/* Multi-condition template indicator */
.condition-block[data-template="smart_goal"] {
  border-left: 4px solid #00ffcc;
  background: linear-gradient(
    135deg,
    rgba(0, 255, 204, 0.1),
    rgba(59, 10, 112, 0.1)
  );
  position: relative;
}

.condition-block[data-template="smart_goal"]::before {
  content: "SMART Goal";
  position: absolute;
  top: -8px;
  left: 12px;
  background: #00ffcc;
  color: #3b0a70;
  font-size: 0.7em;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* SMART goal condition highlighting */
.condition-block .condition-type option[value^="goal_"] {
  background: linear-gradient(90deg, rgba(0, 255, 204, 0.1), transparent);
  font-weight: 600;
}

/* SMART goal action highlighting */
.condition-block .action-type option[value="validate_smart_goal"],
.condition-block .action-type option[value="guide_goal_improvement"],
.condition-block .action-type option[value="congratulate_smart_goal"] {
  background: linear-gradient(90deg, rgba(0, 255, 204, 0.1), transparent);
  font-weight: 600;
}

/* Template application animation */
.condition-block.template-applied {
  animation: templateGlow 0.6s ease-out;
}

@keyframes templateGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.7);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 20px 5px rgba(0, 255, 204, 0.3);
    transform: scale(1.02);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 255, 204, 0);
    transform: scale(1);
  }
}

/* Multi-condition template grouping */
.smart-goal-template-group {
  border: 2px dashed rgba(0, 255, 204, 0.3);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
  background: rgba(0, 255, 204, 0.02);
  position: relative;
}

.smart-goal-template-group::before {
  content: "SMART Goal Mastery Template";
  position: absolute;
  top: -12px;
  left: 20px;
  background: #3b0a70;
  color: #00ffcc;
  font-size: 0.8em;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 15px;
  border: 2px solid #00ffcc;
}

/* Template progress indicator */
.template-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
  font-size: 0.8em;
  color: rgba(255, 255, 255, 0.8);
}

.template-progress .progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.template-progress .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #00ffcc, #3b0a70);
  transition: width 0.3s ease;
}

/* Enhanced template selector */
#templateSelector {
  background: rgba(0, 255, 204, 0.05);
  border: 1px solid rgba(0, 255, 204, 0.2);
  border-radius: 8px;
  padding: 1rem;
}

#templateSelect option[value="smart_goal_mastery"] {
  background: linear-gradient(
    90deg,
    rgba(0, 255, 204, 0.2),
    rgba(59, 10, 112, 0.1)
  );
  font-weight: 700;
  color: #000;
}

/* Smart goal specific form styling */
.lesson-completion-config[data-smart-goal="true"] {
  border: 2px solid #00ffcc;
  background: linear-gradient(
    135deg,
    rgba(0, 255, 204, 0.1),
    rgba(59, 10, 112, 0.05)
  );
}

.lesson-completion-config[data-smart-goal="true"] label {
  color: #00ffcc;
}

.lesson-completion-config[data-smart-goal="true"] .scoring-options {
  background: rgba(0, 255, 204, 0.08);
  border-color: rgba(0, 255, 204, 0.3);
}

/* --- Feedback Modal Styles --- */
.feedback-options {
  text-align: center;
  padding: 2rem 0;
}

.feedback-subtitle {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.feedback-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.feedback-actions .btn-modal-action {
  min-width: 200px;
  font-size: 1.1em;
  padding: 1rem 2rem;
}

.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: left;
  animation: fadeInUp 0.4s ease forwards;
}

.feedback-form .form-group {
  gap: 0.75em;
}

.feedback-form .form-group label {
  font-weight: 600;
  font-size: 1em;
}

.feedback-form .dialog-textarea {
  min-height: 120px;
}

.feedback-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Register Students Modal Styles */
.register-students-modal {
  padding: 2rem;
  max-height: 80vh;
  overflow-y: auto;
}

.register-form-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.form-section {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-section h3 {
  margin: 0 0 1rem 0;
  color: #00ffcc;
  font-size: 1.2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-section h3::before {
  content: "▶";
  color: #00ffcc;
  font-size: 0.8rem;
}

.input-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.input-row label {
  flex: 1;
  font-weight: 500;
  color: white;
}