/* Design Tokens & Theme Variables */
:root {
  --color-bg-main: #0f172a;
  --color-bg-card: #1e293b;
  --color-bg-input: #0f172a;
  
  --color-border: #334155;
  --color-border-focus: #d97706;
  
  --color-text-primary: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-gold: #f59e0b;
  --color-text-gold-dark: #b45309;
  
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-error: #ef4444;
  --color-error-bg: rgba(239, 68, 68, 0.1);
  
  --font-academic: 'Cinzel', serif;
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  
  --transition-speed: 0.25s;
}

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

body {
  background-color: var(--color-bg-main);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  padding: 2rem 1rem;
  min-height: 100vh;
}

.app-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header Styling */
.app-header {
  text-align: center;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 2rem;
  margin-bottom: 1rem;
}

.emblem-container {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.emblem {
  font-size: 3rem;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, rgba(15, 23, 42, 0) 70%);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.title-primary {
  font-family: var(--font-academic);
  font-size: 1.25rem;
  letter-spacing: 0.25em;
  color: var(--color-text-gold);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.title-secondary {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Main Content Layout */
.main-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 900px) {
  .main-content {
    grid-template-columns: 450px 1fr;
  }
}

/* Card Component */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text-gold);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Forms & Inputs */
.field-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.field-group label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.text-area {
  min-height: 200px;
  resize: vertical;
  line-height: 1.5;
}

.char-counter {
  text-align: right;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

/* Toggle Switch Buttons */
.setting-group {
  margin-bottom: 1.25rem;
}

.setting-group label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.toggle-container {
  display: flex;
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 3px;
}

.toggle-btn {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  padding: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.toggle-btn:hover {
  color: var(--color-text-primary);
}

.toggle-btn.active {
  background-color: var(--color-text-gold-dark);
  color: var(--color-text-primary);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.settings-subgroup {
  margin-top: 1.25rem;
  border-top: 1px dashed var(--color-border);
  padding-top: 1.25rem;
}

.settings-tip {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
  line-height: 1.4;
}

.settings-tip code {
  background-color: var(--color-bg-input);
  padding: 2px 4px;
  border-radius: 4px;
}

/* Action Buttons */
.btn {
  width: 100%;
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all var(--transition-speed);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-text-gold) 0%, var(--color-text-gold-dark) 100%);
  color: #0f172a;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-primary:disabled {
  background: var(--color-border);
  color: var(--color-text-secondary);
  cursor: not-allowed;
}

/* Sample Topics Loading */
.sample-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.sample-card {
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.sample-card:hover {
  border-color: var(--color-text-gold);
  transform: translateX(4px);
}

.sample-card h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-gold);
  margin-bottom: 0.25rem;
}

.sample-card h5 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

/* Right Panel: State Styling */
.empty-state, .loading-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-secondary);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.empty-state h3, .loading-state h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text-gold);
  margin-bottom: 0.75rem;
}

.empty-state p, .loading-state p {
  max-width: 500px;
  margin: 0 auto;
}

/* Loading Spinner & Animations */
.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(15, 23, 42, 0.2);
  border-top-color: #0f172a;
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

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

.loading-animation {
  width: 60px;
  height: 60px;
  position: relative;
  margin: 0 auto 1.5rem;
}

.double-bounce1, .double-bounce2 {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--color-text-gold);
  opacity: 0.6;
  position: absolute;
  top: 0;
  left: 0;
  animation: bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
  animation-delay: -1.0s;
}

@keyframes bounce {
  0%, 100% { transform: scale(0.0) }
  50% { transform: scale(1.0) }
}

/* Quiz Board Layout */
.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 1.25rem 1.75rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.quiz-header h3 {
  font-family: var(--font-serif);
  color: var(--color-text-gold);
}

.score-badge {
  background-color: var(--color-text-gold-dark);
  color: #ffffff;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

/* Question Cards */
.question-card {
  animation: fadeIn 0.5s ease-out;
}

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

.question-meta {
  font-size: 0.8rem;
  color: var(--color-text-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.question-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  color: var(--color-text-primary);
  line-height: 1.5;
  white-space: pre-line;
}

/* UPSC statement blocks styling */
.statement-block {
  background-color: var(--color-bg-main);
  border-left: 3px solid var(--color-text-gold);
  padding: 0.75rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.statement-block ol {
  padding-left: 1.25rem;
}

.statement-block li {
  margin-bottom: 0.5rem;
}

/* MCQ Options list */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.option-btn {
  display: flex;
  align-items: center;
  width: 100%;
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 0.9rem 1.25rem;
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: all var(--transition-speed);
}

.option-btn:hover:not(:disabled) {
  border-color: var(--color-text-gold);
  background-color: rgba(245, 158, 11, 0.03);
  transform: translateX(4px);
}

.option-label {
  font-weight: 700;
  color: var(--color-text-gold);
  margin-right: 0.75rem;
  border: 1px solid var(--color-border);
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-speed);
}

.option-btn:hover:not(:disabled) .option-label {
  border-color: var(--color-text-gold);
}

/* Option Verification Classes */
.option-btn.correct {
  border-color: var(--color-success) !important;
  background-color: var(--color-success-bg) !important;
}

.option-btn.correct .option-label {
  border-color: var(--color-success) !important;
  background-color: var(--color-success) !important;
  color: #0f172a !important;
}

.option-btn.incorrect {
  border-color: var(--color-error) !important;
  background-color: var(--color-error-bg) !important;
}

.option-btn.incorrect .option-label {
  border-color: var(--color-error) !important;
  background-color: var(--color-error) !important;
  color: #ffffff !important;
}

.option-btn:disabled {
  cursor: not-allowed;
  opacity: 0.75;
}

/* Explanation Cards */
.explanation-block {
  background-color: var(--color-bg-main);
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-top: 1rem;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.explanation-block h5 {
  color: var(--color-text-gold);
  font-size: 0.9rem;
  font-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.explanation-block p {
  font-size: 0.95rem;
  color: var(--color-text-primary);
  line-height: 1.5;
}

/* RAG Reference Panel (UPSC PYQs) */
.rag-references-card {
  margin-top: 2.5rem;
  border-top: 3px double var(--color-text-gold);
}

.rag-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.rag-header h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-text-gold);
}

.rag-icon {
  font-size: 1.25rem;
}

.rag-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
}

.rag-item {
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.rag-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background-color: rgba(51, 65, 85, 0.2);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  transition: background-color var(--transition-speed);
}

.rag-item-header:hover {
  background-color: rgba(51, 65, 85, 0.4);
}

.rag-badge {
  background-color: var(--color-border);
  color: var(--color-text-primary);
  padding: 0.15rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
}

.rag-item-body {
  padding: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: none; /* Controlled by js toggle */
}

.rag-item.active .rag-item-body {
  display: block;
  animation: slideDown 0.2s ease-out;
}

.rag-question {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  white-space: pre-line;
}

.rag-options-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

@media (min-width: 600px) {
  .rag-options-list {
    grid-template-columns: 1fr 1fr;
  }
}

.rag-option {
  padding: 0.4rem 0.75rem;
  background-color: var(--color-bg-card);
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.rag-option.correct {
  border-color: var(--color-success);
  background-color: var(--color-success-bg);
}

.rag-explanation {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-top: 1px dashed var(--color-border);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

/* Footer Styling */
.app-footer {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  margin-top: 2rem;
}

/* Utilities */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* ==========================================
   AUTHENTICATION & USER MANAGEMENT STYLES
   ========================================== */

/* Auth Screen Layout */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: 1rem;
}

.auth-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  border-top: 3px solid var(--color-text-gold);
  animation: fadeIn 0.4s ease-out;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header .emblem {
  margin: 0 auto 1rem;
}

.auth-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.auth-form h3 {
  font-family: var(--font-serif);
  color: var(--color-text-gold);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.auth-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth-switch-text {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.auth-switch-text a {
  color: var(--color-text-gold);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-speed);
}

.auth-switch-text a:hover {
  color: #fbbf24;
}

/* User Status Bar */
.user-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-display-name {
  font-weight: 600;
  font-family: var(--font-serif);
}

.role-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--color-text-gold-dark);
  color: #ffffff;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.credit-count-badge {
  font-size: 0.85rem;
  font-weight: 600;
  background-color: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-text-gold);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}

.bar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-console {
  background: none;
  border: 1px solid var(--color-text-gold);
  color: var(--color-text-gold);
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.btn-console:hover {
  background-color: var(--color-text-gold);
  color: #0f172a;
}

.btn-logout-link {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: color var(--transition-speed);
}

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

/* Modals & Admin Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  animation: fadeIn 0.35s ease-out;
}

.modal-content {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border-top: 3px solid var(--color-text-gold);
  animation: slideDown 0.3s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-family: var(--font-serif);
  color: var(--color-text-gold);
  margin-bottom: 0;
}

.btn-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.75rem;
  cursor: pointer;
  transition: color var(--transition-speed);
}

.btn-close:hover {
  color: var(--color-text-primary);
}

.modal-body {
  padding: 1.75rem;
}

.admin-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Users Table styles */
.table-container {
  overflow-x: auto;
}

.users-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.users-table th {
  background-color: rgba(51, 65, 85, 0.3);
  color: var(--color-text-gold);
  font-family: var(--font-serif);
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
}

.users-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.users-table tr:hover {
  background-color: rgba(51, 65, 85, 0.1);
}

/* Table Controls */
.admin-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: 600;
}

.admin-badge.status-approved {
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.admin-badge.status-pending {
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.admin-badge.role-admin {
  background-color: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--color-text-gold);
  color: var(--color-text-gold);
}

.admin-badge.role-user {
  background-color: rgba(148, 163, 184, 0.15);
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
}

.credit-adjust {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.input-credit {
  width: 60px;
  padding: 0.25rem 0.4rem;
  font-size: 0.85rem;
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-radius: 4px;
  text-align: center;
  outline: none;
}

.input-credit:focus {
  border-color: var(--color-text-gold);
}

.btn-small {
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  background-color: var(--color-border);
  color: var(--color-text-primary);
  transition: all var(--transition-speed);
}

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

.btn-action-approve {
  background-color: var(--color-success);
  color: #0f172a;
  font-weight: 600;
}

.btn-action-approve:hover {
  background-color: #34d399;
}

.btn-action-disapprove {
  background-color: var(--color-error);
  color: #ffffff;
}

.btn-action-disapprove:hover {
  background-color: #f87171;
}

.btn-action-delete {
  background-color: transparent;
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.btn-action-delete:hover {
  background-color: var(--color-error);
  color: #ffffff;
}

.btn-action-save {
  background-color: var(--color-text-gold-dark);
  color: #ffffff;
}

.btn-action-save:hover {
  background-color: var(--color-text-gold);
  color: #0f172a;
}

.actions-cell {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ==========================================
   EVALUATOR COMPARISON & ADMIN TABS STYLES
   ========================================== */

/* Model Lock Indicator */
.model-locked-indicator {
  display: flex;
  align-items: center;
  background-color: rgba(30, 41, 59, 0.4);
  border: 1px solid var(--color-border);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--color-text-gold);
  animation: slideDown 0.3s ease-out;
}

.lock-icon {
  font-size: 1.5rem;
  margin-right: 1rem;
}

.lock-details h4 {
  color: var(--color-text-gold);
  margin: 0 0 0.2rem 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.lock-details p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Evaluator Workspace Tabs */
.nav-tabs-container {
  display: flex;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.35rem;
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

.nav-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border-radius: 6px;
  transition: all var(--transition-speed);
}

.nav-tab:hover {
  color: var(--color-text-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.nav-tab.active {
  background-color: var(--color-text-gold-dark);
  color: #ffffff;
}

/* Comparison Panel Layout */
.comparison-grid-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .comparison-grid-layout {
    grid-template-columns: 320px 1fr;
  }
}

.comparison-left-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comparison-right-panel {
  min-width: 0;
}

.model-checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-height: 200px;
  overflow-y: auto;
  padding: 0.75rem;
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  margin-top: 0.5rem;
}

.model-checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.2rem 0;
}

.model-checkbox-item input {
  cursor: pointer;
  width: 16px;
  height: 16px;
  accent-color: var(--color-text-gold);
}

.empty-models-text, .empty-reports-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  text-align: center;
  padding: 1.5rem 0;
  width: 100%;
}

/* Comparison Columns Grid */
.compare-columns-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .compare-columns-container {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

.compare-column {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.compare-column-header {
  background-color: rgba(245, 158, 11, 0.06);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--color-text-gold);
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

.compare-column-body {
  padding: 1.25rem;
  flex-grow: 1;
  overflow-y: auto;
  max-height: 550px;
}

.compare-column-error {
  color: var(--color-error);
  font-size: 0.85rem;
  text-align: center;
  padding: 2rem 1rem;
}

/* Evaluation Feedback Form */
.ranking-form-card {
  margin-top: 2rem;
  border-top: 3px double var(--color-text-gold);
}

.ranking-inputs-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border);
  padding: 1.25rem;
  border-radius: 8px;
}

.rank-input-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.rank-input-row select {
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 0.4rem 0.65rem;
  border-radius: 4px;
  outline: none;
  width: 140px;
  cursor: pointer;
}

/* Administrative Modal Tab Controls */
.admin-modal-content {
  max-width: 800px;
}

.admin-tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.25rem;
  padding: 0 1rem;
  gap: 0.5rem;
}

.admin-tab {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  padding: 0.75rem 1rem;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-speed);
}

.admin-tab:hover {
  color: var(--color-text-primary);
}

.admin-tab.active {
  color: var(--color-text-gold);
  border-bottom-color: var(--color-text-gold);
}

.admin-panel-content {
  padding: 0.25rem 0.5rem;
}

.admin-badge.role-evaluator {
  background-color: rgba(52, 211, 153, 0.12);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.admin-settings-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 450px;
  margin: 0.5rem 0;
}

/* Reports List Layout */
.reports-list-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-height: 450px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.report-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem;
}

.report-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.65rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.report-evaluator-name {
  font-weight: 600;
  color: var(--color-text-gold);
}

.report-date {
  color: var(--color-text-secondary);
}

.report-body-section {
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.report-body-section h5 {
  color: var(--color-text-gold);
  margin: 0 0 0.35rem 0;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.report-context-preview {
  background-color: var(--color-bg-main);
  padding: 0.6rem;
  border-radius: 4px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-sans);
}

.report-rankings-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0.5rem 0;
}

.report-ranking-item {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0.75rem;
  background-color: rgba(255, 255, 255, 0.01);
  border-radius: 4px;
  border-left: 3px solid var(--color-border);
}

.report-ranking-item.rank-1 {
  border-left-color: var(--color-text-gold);
  background-color: rgba(245, 158, 11, 0.02);
}

.report-justification {
  font-style: italic;
  background-color: var(--color-bg-main);
  padding: 0.65rem 0.75rem;
  border-radius: 4px;
  border-left: 2px solid var(--color-text-secondary);
  line-height: 1.4;
  color: var(--color-text-primary);
}

/* Compare Status Badge & Dots */
.compare-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border);
}

.compare-status-badge.queueing {
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.compare-status-badge.queueing .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-text-secondary);
}

.compare-status-badge.generating {
  color: var(--color-text-gold);
  border-color: rgba(245, 158, 11, 0.3);
  background-color: rgba(245, 158, 11, 0.05);
}
.compare-status-badge.generating .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-text-gold);
  animation: pulse-dot 1.5s infinite;
}

.compare-status-badge.done {
  color: var(--color-success);
  border-color: rgba(16, 185, 129, 0.3);
  background-color: rgba(16, 185, 129, 0.05);
}
.compare-status-badge.done .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
}

.compare-status-badge.error {
  color: var(--color-error);
  border-color: rgba(239, 68, 68, 0.3);
  background-color: rgba(239, 68, 68, 0.05);
}
.compare-status-badge.error .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-error);
}

@keyframes pulse-dot {
  0% { transform: scale(0.8); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.8); opacity: 0.5; }
}

/* Skeleton Loading Animation */
.skeleton-loader {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skeleton-card {
  border: 1px dashed var(--color-border) !important;
  background-color: var(--color-bg-card);
  border-radius: 8px;
  pointer-events: none;
}

.skeleton-block {
  background: linear-gradient(90deg, var(--color-bg-card) 25%, var(--color-border) 50%, var(--color-bg-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite linear;
  border-radius: 4px;
}

.skeleton-title {
  height: 1.1rem;
  width: 85%;
  margin-bottom: 0.5rem;
}

.skeleton-text {
  height: 0.8rem;
  margin-bottom: 0.4rem;
}

.skeleton-option {
  height: 0.8rem;
  width: 95%;
  margin-bottom: 0.25rem;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Floating Countdown Timer */
.floating-timer-banner {
  position: fixed;
  top: 5.5rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-bg-card);
  border: 2px solid var(--color-text-gold);
  border-radius: 50px;
  padding: 0.5rem 1.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  animation: pulse-border 2s infinite ease-in-out;
}

@keyframes pulse-border {
  0%, 100% { border-color: var(--color-text-gold); }
  50% { border-color: var(--color-text-gold-dark); }
}

.floating-timer-banner .timer-icon {
  font-size: 1.25rem;
}

.floating-timer-banner .timer-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.floating-timer-banner .timer-value {
  font-family: var(--font-academic);
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--color-text-gold);
  min-width: 60px;
  text-align: right;
}

/* Database & Submission Tables */
.db-table, .submissions-history-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.db-table th, .submissions-history-table th {
  padding: 0.75rem 1rem;
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--color-text-gold);
  font-family: var(--font-academic);
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.db-table td, .submissions-history-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 0.9rem;
}

.db-table tbody tr:hover, .submissions-history-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Row Action Buttons */
.btn-action-edit, .btn-action-delete {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
  border-radius: 4px;
  transition: background var(--transition-speed);
}

.btn-action-edit {
  color: var(--color-text-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.btn-action-edit:hover {
  background-color: rgba(245, 158, 11, 0.1);
}

.btn-action-delete {
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.3);
  margin-left: 0.5rem;
}

.btn-action-delete:hover {
  background-color: rgba(239, 68, 68, 0.1);
}

/* Filter Bar Styling */
.filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

/* Exam Card layout in Hall */
.exam-question-card {
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--color-border);
  transition: border-color var(--transition-speed);
}

.exam-question-card:focus-within {
  border-left-color: var(--color-text-gold);
}

.exam-question-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
  font-size: 1rem;
}

.exam-question-statements {
  margin: 0.5rem 0 0.75rem 1rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.exam-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.exam-option-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-speed);
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.exam-option-label:hover {
  background-color: rgba(255, 255, 255, 0.02);
  border-color: rgba(245, 158, 11, 0.3);
}

.exam-option-label.selected {
  background-color: rgba(245, 158, 11, 0.04);
  border-color: var(--color-text-gold);
}

.exam-option-input {
  margin-top: 0.25rem;
  accent-color: var(--color-text-gold);
}

/* Review States for options */
.exam-option-label.correct {
  border-color: var(--color-success) !important;
  background-color: var(--color-success-bg) !important;
  color: var(--color-success) !important;
  font-weight: 600;
}

.exam-option-label.incorrect {
  border-color: var(--color-error) !important;
  background-color: var(--color-error-bg) !important;
  color: var(--color-error) !important;
}

/* History Chart Wrapper */
.chart-wrapper {
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
}