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

:root {
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --sidebar-bg: #ffffff;
  --border-color: #e2e8f0;
  
  
  --border-contrast: #475569; 
  --input-bg: #ffffff; 
  --placeholder-color: #64748b; 
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #f5f3ff;
  --primary-ring: rgba(79, 70, 229, 0.18);
  
  --secondary: #0ea5e9;
  --secondary-light: #f0f9ff;
  
  --success: #10b981;
  --success-light: #ecfdf5;
  
  --error: #ef4444;
  --error-bg: #fef2f2;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}


:root.dark-theme {
  --bg-color: #0b0f19;
  --card-bg: #111827;
  --sidebar-bg: #111827;
  --border-color: #1f2937;
  
  
  --border-contrast: #94a3b8; 
  --input-bg: #1f2937; 
  --placeholder-color: #94a3b8;
  
  --primary-light: rgba(79, 70, 229, 0.15);
  --primary-ring: rgba(79, 70, 229, 0.3);
  
  --secondary-light: rgba(14, 165, 233, 0.08);
  
  --success-light: rgba(16, 185, 129, 0.08);
  
  --error-bg: rgba(239, 68, 68, 0.08);
  
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-light: #4b5563;
}

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

html {
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  max-width: 100%;
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
}


@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}


.login-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  width: 100%;
  max-width: 400px;
  padding: 40px 32px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.logo-section {
  margin-bottom: 28px;
}

.logo-icon {
  background: var(--primary-light);
  color: var(--primary);
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 22px;
}

.logo-section h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-main);
}

.logo-section p {
  color: var(--text-muted);
  font-size: 13.5px;
  margin-top: 6px;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  padding-left: 40px;
  background: var(--input-bg);
  border: 2px solid var(--border-contrast); 
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder {
  color: var(--placeholder-color);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-ring);
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  display: flex;
  align-items: center;
}

.btn {
  width: 100%;
  padding: 12px 18px;
  background-color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 8px;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  outline: none;
}

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

.btn-secondary {
  background-color: var(--card-bg);
  border: 2px solid var(--border-contrast);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  padding: 9px 14px;
  width: auto;
  font-size: 13px;
  font-weight: 600;
}

.btn-secondary:hover {
  background-color: var(--bg-color);
  border-color: var(--text-main);
}

.alert {
  background: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.1);
  color: var(--error);
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  display: none;
}


.app-layout {
  display: flex;
  min-height: 100vh;
  max-width: 100%;
  overflow-x: hidden;
}


.sidebar {
  width: 260px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
  z-index: 50;
  padding: 24px;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.brand-icon {
  background: var(--primary-light);
  color: var(--primary);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text h2 {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-main);
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
}

.sidebar-close-btn {
  display: none; 
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 8px;
  transition: var(--transition);
  text-align: left;
  outline: none;
}

.nav-item:hover {
  color: var(--text-main);
  background-color: var(--bg-color);
}

.nav-item.active {
  color: var(--primary);
  background-color: var(--primary-light);
  font-weight: 600;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.theme-toggle-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}

.user-info {
  margin-bottom: 2px;
}

.user-status {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.1);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}

.logout-action {
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.logout-action:hover {
  color: var(--error);
}


.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
  transition: background-color 0.2s ease;
  max-width: 100%;
  overflow-x: hidden;
}

.mobile-header {
  display: none; 
}

.content-header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 24px 40px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.content-header h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.4px;
}

.view-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.content-body {
  padding: 32px 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}


.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}


.search-form {
  display: flex;
  gap: 10px;
  width: 100%;
}

.search-form .btn {
  width: auto;
  min-width: 120px;
  flex-shrink: 0;
}

.search-input-group {
  flex: 1;
  position: relative;
  min-width: 0; 
}

.search-input {
  width: 100%;
  padding: 13px 14px;
  padding-left: 42px;
  background: var(--input-bg);
  border: 2px solid var(--border-contrast); 
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14.5px;
  outline: none;
  transition: var(--transition);
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

.search-input::placeholder {
  color: var(--placeholder-color);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-ring);
}

.search-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--border-contrast); 
  display: flex;
  align-items: center;
}


.select-query-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.form-select-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-select-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-select {
  width: 100%;
  padding: 12px;
  background-color: var(--input-bg);
  border: 2px solid var(--border-contrast); 
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-ring);
}

.form-select:disabled {
  background-color: var(--border-color);
  color: var(--text-light);
  border-color: var(--border-color);
  cursor: not-allowed;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
}

.form-submit-btn {
  width: auto;
  min-width: 180px;
}


.loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 0;
  display: none;
}

.spinner {
  border: 3px solid rgba(79, 70, 229, 0.1);
  border-left-color: var(--primary);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.results-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.results-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.results-icon {
  color: var(--primary);
  display: flex;
  align-items: center;
}

.results-text {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-main);
}

.results-badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(79, 70, 229, 0.1);
}

.print-action-btn {
  font-size: 12.5px;
}

.table-card {
  padding: 0;
  overflow: hidden;
}


.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

th {
  background: var(--bg-color);
  color: var(--text-muted);
  padding: 14px 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  transition: border-color 0.2s ease;
}

tr:last-child td {
  border-bottom: none;
}

tr:nth-child(even) td {
  background-color: var(--bg-color);
}

tr:hover td {
  background-color: var(--primary-light) !important;
  color: var(--text-main);
}

.student-badge {
  font-family: monospace;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid rgba(79, 70, 229, 0.1);
  display: inline-block;
}

.personnel-badge {
  color: #be123c;
  background: #fff1f2;
  border: 1px solid rgba(190, 18, 60, 0.15);
}


:root.dark-theme .personnel-badge {
  color: #fda4af;
  background: rgba(253, 164, 175, 0.08);
  border-color: rgba(253, 164, 175, 0.2);
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-state-icon {
  margin-bottom: 12px;
  color: var(--text-light);
  display: flex;
  align-items: center;
}

.empty-state h3 {
  color: var(--text-main);
  font-size: 15px;
  margin-bottom: 4px;
}

.empty-state p {
  font-size: 13px;
}


.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}


@media (max-width: 768px) {
  
  .sidebar {
    position: fixed !important;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    height: 100vh;
    transform: translateX(-100%);
    z-index: 100;
    box-shadow: var(--shadow-lg);
    border-right: 1px solid var(--border-color);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    margin-left: auto; 
    transition: var(--transition);
  }
  
  .sidebar-close-btn:hover {
    background-color: var(--bg-color);
    color: var(--text-main);
  }

  .sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
  }
  
  
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 16px;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.2s ease, border-color 0.2s ease;
  }
  
  .mobile-menu-btn, .mobile-theme-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
  }
  
  .mobile-menu-btn:hover, .mobile-theme-btn:hover {
    background-color: var(--bg-color);
  }
  
  .mobile-brand {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-main);
  }
  
  
  .main-content {
    margin-left: 0 !important;
    min-height: calc(100vh - 60px);
  }
  
  .content-header {
    padding: 20px 16px 8px 16px;
    border-bottom: none;
  }
  
  .content-header h1 {
    font-size: 18px;
  }
  
  .content-body {
    padding: 8px 16px 24px 16px;
    gap: 16px;
  }
  
  .card {
    padding: 16px;
  }
  
  .search-form {
    flex-direction: column;
    gap: 8px;
  }
  
  .search-btn {
    width: 100%;
    padding: 12px;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .form-submit-btn {
    width: 100%;
  }
  
  .results-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .print-action-btn {
    width: 100%;
  }
  
  th, td {
    padding: 10px 12px;
    font-size: 12.5px;
  }
}


#print-section {
  display: none !important;
}

@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt !important;
    min-height: auto !important;
  }
  
  body > *:not(#print-section) {
    display: none !important;
  }
  
  #print-section {
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  .print-header {
    text-align: center;
    margin-bottom: 20px;
    border-bottom: 1.5px solid #000000;
    padding-bottom: 12px;
  }
  
  .print-header h1 {
    font-size: 16pt;
    font-weight: 700;
    margin-bottom: 4px;
  }
  
  .print-header h2 {
    font-size: 12pt;
    font-weight: 600;
    margin-bottom: 6px;
  }
  
  .print-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 12px;
    font-size: 9.5pt;
    color: #000000;
    text-align: left;
    gap: 4px;
    padding: 0 5px;
  }
  
  .print-table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin-top: 10px !important;
    margin-bottom: 15px !important;
    font-size: 9pt !important;
  }
  
  .print-table th,
  .print-table td {
    border: 0.75px solid #000000 !important;
    padding: 6px 8px !important;
    color: #000000 !important;
    background: transparent !important;
  }
  
  .print-table th {
    background-color: #f0f0f0 !important;
    font-weight: 700 !important;
    text-transform: none !important;
    font-size: 9pt !important;
  }
  
  .print-table tr {
    page-break-inside: avoid !important;
  }
  
  .print-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 30px;
    font-size: 9.5pt;
    page-break-inside: avoid !important;
  }
  
  .print-summary {
    font-weight: 600;
  }
  
  .print-signature-block {
    text-align: right;
    width: 180px;
  }
  
  .print-signature-line {
    margin-top: 40px;
    border-bottom: 0.75px dashed #000000;
    width: 100%;
  }
}