/* ===================================================================
   FEEDBACK-HUB CSS - Cleaned Version
   =================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;500;700&family=Poppins:wght@400;600;700&display=swap');

:root { 
  --primary-color: #3498db;
  --info-color: #6A7282;
  --success-color: #27ae60;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --secondary-bg: #9998b3;
  --text-color: #333;
  --heading-color: #2c3e50;
  --border-color: #e0e0e0;
}

/* Global Styles */
body {
  padding-top: 80px;
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.85;
  font-size: 1rem;
  margin: 0;
  color: var(--text-color);
}

.content-wrapper { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 20px; 
  box-sizing: border-box; 
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--heading-color);
}

.page-header { margin-bottom: 20px; }
.form-switch-link a { text-decoration: none; }

/* Welcome Section */
.welcome-split {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background-color: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.07);
}

.welcome-split ul,
.welcome-split h1,
.welcome-split h2,
.welcome-split p {
  margin: 20px;
}

.welcome-intro {
  order: 1;
  background: azure;
  text-align: center;
  font-size: 1.2rem;
  font-family: 'Poppins';
}

.welcome-features {
  order: 2;
}

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

.welcome-features li {
  background-color: #f8f9fa;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 8px;
}

.welcome-header {
  background: linear-gradient(135deg, #4ea8de, var(--heading-color));
  color: white; 
  padding: 40px 30px; 
  border-radius: 8px; 
  margin-bottom: 30px;
  text-align: center; 
  box-shadow: 0 4px 20px rgba(52, 152, 219, 0.3);
}

.welcome-header h1 {
  color: white; 
  margin: 5px 0 10px 0; 
  font-size: 2.5rem;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  border: none;
  box-shadow: none;
  z-index: 10000;
}

header .header-inner {
  max-width: 1200px;
  margin: 0 auto;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  border-radius: 0 0 10px 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  box-sizing: border-box;
  width: 100%;
}

.logo-container { 
  display: inline; 
  align-items: center; 
  text-decoration: none; 
}

.logo-text { 
  font-size: 1.5rem; 
  font-weight: bold; 
  color: var(--primary-color); 
}

.logo-now { 
  font-size: 1.5rem; 
  font-weight: bold; 
  color: var(--danger-color); 
}

.nav-links {
  list-style: none; 
  margin: 0; 
  padding: 0; 
  gap: 5px;
}

.nav-links li {
  display: block;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: block;
  text-decoration: none; 
  color: #555;
  padding: 10px 15px; 
  font-weight: 500;
  transition: color 0.2s, background-color 0.2s;
  border-radius: 5px;
  cursor: pointer;
}

.nav-links a:hover { 
  color: var(--primary-color); 
  background-color: #f8f9fa; 
}

/* Mobile hamburger */
.mobile-nav-toggle {
  display: none;
  position: absolute;
  top: 1.2rem; 
  right: 2rem;
  background: transparent; 
  border: 0;
  width: 2.2rem; 
  height: 2.2rem;
  cursor: pointer;
  z-index: 100000;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.4rem 0;
}

.mobile-nav-toggle .sr-only {
  position: absolute; 
  left: -9999px;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 300ms ease;
}

.mobile-nav-toggle span:nth-child(1) { transform-origin: top left; }
.mobile-nav-toggle span:nth-child(3) { transform-origin: bottom left; }

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translateY(7px);
}
.mobile-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7px);
}

/* Dashboard Layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

.dashboard-left,
.dashboard-right {
  width: 100%;
}

/* Two columns on wide screens */
@media (min-width: 768px) {
  .dashboard-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* Footer */
footer {
  background: transparent;
  padding: 40px 0;
  text-align: center;
  color: #7f8c8d;
  font-size: 0.9em;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-radius: 10px 10px 0 0;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
  padding: 20px;
}

.footer-content p {
  margin: 8px 0;
  line-height: 1.6;
}

/* Buttons */
.btn, .btn-primary, .btn-secondary, .btn-success, .btn-danger, .btn-login, .btn-warning, .btn-info {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: background-color 0.2s, transform 0.1s;
}

.btn-info { background-color: var(--info-color); color: white; }
.btn-primary { background-color: var(--primary-color); color: white; }
.btn-secondary { background-color: var(--secondary-bg); color: #333; }
.btn-success { background-color: var(--success-color); color: white; }
.btn-danger { background-color: var(--danger-color); color: white; }
.btn-warning { background-color: var(--warning-color); color: white; }
.btn-sm { padding: 5px 12px; font-size: 0.85em; }
.btn-login { background-color: var(--primary-color); color: white; }
.btn-login:hover { background-color: #2980b9; }

/* Forms */
.form-container {
  max-width: 600px; 
  margin: 40px auto;
  padding: 30px; 
  background: white;
  border-radius: 8px; 
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: bold; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; 
  padding: 10px;
  border: 1px solid #ccc; 
  border-radius: 4px;
  box-sizing: border-box; 
  font-size: 1rem; 
  font-family: inherit;
}

.form-group small {
  display: block;
  margin-top: 5px;
  font-size: 0.85em;
  color: #666;
}

.form-link { text-align: center; margin-top: 15px; font-size: 0.9em; }
.form-link a {
  color: #6c757d; 
  text-decoration: none; 
  font-weight: 500;
  transition: color 0.2s ease-in-out;
}
.form-link a:hover { color: var(--primary-color); }

.radio-group { display: flex; gap: 20px; margin-top: 10px; }
.radio-label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }

.error {
  color: #721c24; 
  background: #f8d7da; 
  border: 1px solid #f5c6cb;
  padding: 10px; 
  border-radius: 4px; 
  margin-bottom: 15px;
}

.success {
  color: #155724; 
  background: #d4edda; 
  border: 1px solid #c3e6cb;
  padding: 10px; 
  border-radius: 4px; 
  margin-bottom: 15px;
}

/* Tags */
.role-tag, .status-tag {
  padding: 4px 8px; 
  border-radius: 10px; 
  color: white;
  font-size: 0.8em; 
  font-weight: bold; 
  text-transform: capitalize;
}

/* New workflow status colors */
.status-tag.pending_moderation { 
    background-color: var(--warning-color); /* Orange/Yellow */
    color: white !important; 
}

.status-tag.returned_to_examiner { 
    background-color: var(--danger-color); /* Red */
    color: white !important; 
}

.role-tag.admin { background-color: var(--danger-color); }
.role-tag.teacher { background-color: var(--primary-color); }
.role-tag.student { background-color: var(--success-color); }

.status-tag.active { background-color: var(--success-color); }
.status-tag.inactive { background-color: #7f8c8d; }
.status-tag.pending, .status-tag.assigned { background-color: var(--warning-color); color: #fff !important;}
.status-tag.in_review { background-color: var(--info-color); }
.status-tag.feedback_provided { background-color: var(--success-color); }
.status-tag.closed { background-color: #6c757d; }
.status-tag.free { background-color: #95a5a6; }
.status-tag.paid { background-color: var(--success-color); }

/* Tables */
.data-table {
  width: 100%; 
  border-collapse: collapse;
  margin: 20px 0; 
  font-size: 0.95em;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  background-color: #ffffff; 
  border-radius: 8px; 
  overflow: hidden;
}

.data-table thead tr {
  background-color: #f8f9fa; 
  color: #343a40; 
  text-align: left;
  font-weight: bold; 
  border-bottom: 2px solid #dee2e6;
}

.data-table th, .data-table td { 
  padding: 12px 15px; 
  vertical-align: middle; 
}

.data-table tbody tr { border-bottom: 1px solid #f1f1f1; }
.data-table tbody tr:last-of-type { border-bottom: none; }
.data-table tbody tr:hover { background-color: #f5f5f5; }

.data-table .actions {
  white-space: nowrap;
  display: flex; 
  align-items: center; 
  gap: 8px;
}

.data-table td small { 
  display: block; 
  color: #7f8c8d; 
  font-size: 0.85em; 
  margin-top: 4px; 
}

/* Panel Sections */
.panel-section {
  background-color: #fff; 
  padding: 20px; 
  border-radius: 8px;
  margin-bottom: 30px; 
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow-x: auto;
}

.panel-section h2 { 
  margin-top: 0; 
  border-bottom: 1px solid #eee; 
  padding-bottom: 10px; 
}

.panel-section h3 {
  margin-top: 0;
  color: var(--heading-color);
}

.panel-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  margin-bottom: 20px; 
  flex-wrap: wrap;
  gap: 10px;
}

.panel-header h1 {
  margin: 0;
  font-size: 1.8rem;
  flex: 1;
}

/* Layout Helpers */
.content-split { 
  display: flex; 
  flex-direction: column; 
  gap: 30px; 
}

.split-main, .split-sidebar { width: 100%; }

/* Admin Panel */
.admin-container { display: flex; align-items: flex-start; gap: 30px; }

.admin-sidebar {
  flex: 0 0 220px; 
  background: #34495e; 
  color: #ecf0f1;
  padding: 20px; 
  border-radius: 8px; 
  margin-top: 20px;
}

.admin-sidebar h3 { 
  margin-top: 0; 
  color: #fff; 
  border-bottom: 1px solid #4a627a; 
  padding-bottom: 10px; 
}

.admin-sidebar nav { display: flex; flex-direction: column; }

.admin-sidebar nav a {
  color: #ecf0f1; 
  text-decoration: none; 
  padding: 12px 15px;
  border-radius: 5px; 
  margin-bottom: 5px;
}

.admin-sidebar nav a:hover { background-color: #4a627a; }
.admin-sidebar nav a.active { background-color: var(--primary-color); font-weight: bold; }
.admin-content { flex: 1; }

/* Responsive */
@media (max-width: 768px) {
  header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    z-index: 10000;
  }

  .main-nav {
    max-width: none;
    padding-right: 1rem;
    justify-content: space-between;
  }

  body {
    padding-top: 70px;
  }

  .mobile-nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; 
    right: 0; 
    bottom: 0;
    width: 70%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
    padding: min(20vh, 10rem) 2rem;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(1rem);
    z-index: 99999;
    transform: translateX(100%);
    transition: transform 350ms ease-out;
  }

  .nav-links[data-visible="true"] {
    transform: translateX(0%);
  }

  .nav-links a { font-size: 1.2rem; }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel-header h1 {
    font-size: 1.5rem;
  }

  .admin-container {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    margin-bottom: 20px;
  }

  .admin-content {
    width: 100%;
  }
  
  .data-table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-collapse: collapse;
    white-space: nowrap;
  }

  .data-table th,
  .data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
  }

  .data-table thead {
    background-color: #f9f9f9;
  }

  .welcome-split {
    flex-direction: column;
  }
}

@media (min-width: 768px) {
  .welcome-split {
    flex-direction: row;
  }

  .welcome-intro {
    flex: 1;
    order: 1;
  }

  .welcome-features {
    flex: 2;
    order: 2;
  }
}

@media (min-width: 992px) {
  .content-split { 
    flex-direction: row; 
    align-items: flex-start; 
  }

  .split-main { flex: 1; }
  .split-sidebar { width: 320px; flex-shrink: 0; }
  
  .nav-links {
    display: flex;
    align-items: center;
    position: relative;
    transform: none !important;
  }
}