[hidden] { display: none !important; }

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

:root {
  --bg: #f0f2f5;
  --surface: rgba(255, 255, 255, 0.85);
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --accent: #7c3aed;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: rgba(226, 232, 240, 0.8);
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --font-main: 'Inter', system-ui, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --gold: #f59e0b;
}

:root[data-theme="dark"] {
  --bg: #0f172a;
  --surface: rgba(30, 41, 59, 0.85);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(51, 65, 85, 0.8);
  --primary-light: rgba(79, 70, 229, 0.1);
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f172a;
    --surface: rgba(30, 41, 59, 0.85);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(51, 65, 85, 0.8);
    --primary-light: rgba(79, 70, 229, 0.1);
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
  }
}

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

body {
  font-family: var(--font-main);
  background: var(--bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(79, 70, 229, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(124, 58, 237, 0.05) 0px, transparent 50%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

@keyframes slideIn {
  from { transform: translateX(-20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Glass Effect Utility */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
}

/* Login View */
.login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.login-container {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 48px;
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-logo-img {
  width: 100px;
  height: 100px;
  max-width: 100%;
  object-fit: contain;
  margin: 0 auto 20px;
  display: block;
  filter: drop-shadow(0 8px 12px rgba(0,0,0,0.08));
}

.header-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 8px;
  background: white;
  padding: 2px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.login-logo {
  display: none;
}

.login-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 8px;
}

.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 40px;
}

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

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

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.login-theme-toggle {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  cursor: pointer;
  z-index: 1001;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-size: 1.25rem;
}

.login-theme-toggle:hover {
  transform: scale(1.1);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.login-theme-toggle:active {
  transform: scale(0.95);
}

/* App Layout */
.app-container {
  max-width: 1200px; /* Increased from 800px for dual-pane */
  margin: 0 auto;
  padding: 32px 16px;
  animation: fadeIn 0.4s ease-out;
}

.header {
  margin-bottom: 32px;
}

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

.app-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.role-badge {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--border);
}

/* Tabs */
.tab-bar {
  display: flex;
  padding: 6px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  margin-bottom: 32px;
  gap: 4px;
  border: 1px solid var(--border);
}

.tab {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab:hover {
  color: var(--text);
  background: rgba(0,0,0,0.03);
}

.tab.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

/* UI Elements */
.btn {
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
}

.btn-login, .btn-add, .btn-save, .btn-export {
  background: var(--primary);
  color: white;
}

.btn-login:hover, .btn-add:hover, .btn-save:hover, .btn-export:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 16px;
}

/* Section Cards */
section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  animation: slideIn 0.4s ease-out;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

/* Criteria Sliders (NEW) */
.criteria-item {
  margin-bottom: 24px;
}

.criteria-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.criteria-label {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
}

.criteria-value {
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 10px;
  border-radius: 6px;
  font-size: 0.875rem;
}

.slider-container {
  position: relative;
  display: flex;
  align-items: center;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  background: var(--border);
  border-radius: 5px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  background: var(--primary);
  border: 4px solid white;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Timer */
.timer-card {
  background: #0f172a;
  color: white;
  padding: 24px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  border: 1px solid transparent;
}

@media (prefers-color-scheme: dark) {
  .timer-card {
    background: #1e293b;
    border-color: rgba(255,255,255,0.1);
  }
}

.timer-display {
  font-family: 'Outfit', monospace;
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 20px rgba(255,255,255,0.2);
  margin-bottom: 16px;
}

.timer-controls {
  display: flex;
  gap: 16px;
}

.timer-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
}

.timer-btn:hover { background: rgba(255,255,255,0.2); }
.timer-btn.active { background: var(--success); border-color: var(--success); }

/* Feedback Status (NEW) */
.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}

.status-done { background: var(--success); box-shadow: 0 0 10px var(--success); }
.status-pending { background: var(--warning); box-shadow: 0 0 10px var(--warning); }

/* Form Controls */
.form-input, select, textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

/* Table styling */
.results-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
}

.results-table th {
  background: var(--bg);
  padding: 16px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
}

.results-table td {
  padding: 16px;
  border-top: 1px solid var(--border);
}

/* Bulk Import Section */
.bulk-import-section {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px dashed var(--border);
}

.file-input-label {
  display: block;
  padding: 48px 32px; /* Increased padding */
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--surface);
}

.file-input-label:hover, .file-input-label.drag-over {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: scale(1.02);
}

.file-input-label.drag-over {
  border-style: solid;
  box-shadow: 0 0 20px var(--primary-light);
}

.file-input { display: none; }

/* Roster List */
.roster-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }

.student-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.student-card:hover { transform: translateX(4px); border-color: var(--primary); }

/* Sub-tab Bar Styling */
.sub-tab-bar {
  display: flex;
  gap: 8px;
  background: var(--primary-light);
  padding: 6px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  width: fit-content;
}

.sub-tab {
  border: none;
  background: transparent;
  padding: 8px 16px;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: calc(var(--radius-sm) - 4px);
  cursor: pointer;
  transition: all 0.2s;
}

.sub-tab:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text);
}

.sub-tab.active {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Setup Specific Layouts */
.setup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.setup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.setup-card .section-title {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

/* User Card visuals */
.user-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.user-info-name {
  font-weight: 600;
  color: var(--text);
}

.user-info-role {
  font-size: 0.75rem;
  padding: 2px 8px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 100px;
  margin-left: 8px;
  text-transform: capitalize;
}

/* Judging Layout & Pro Tools */
.judging-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: start;
}

.workspace-header-grid {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.judging-sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: calc(100vh - 240px);
  overflow-y: auto;
  padding-right: 8px;
}

.sidebar-student-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.sidebar-student-item:hover {
  transform: translateX(4px);
  border-color: var(--primary);
}

.sidebar-student-item.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.judging-empty-state {
  padding: 32px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  grid-column: span 1;
}

.sidebar-student-item.evaluated .status-dot {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0,0,0,0.1);
  margin-right: 12px;
}

.score-pill-row {
  display: grid;
  grid-template-columns: repeat(10, 1fr); /* Force 1-10 in one line */
  gap: 6px;
  margin-top: 12px;
}

.score-pill {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.score-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.score-pill.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.2);
}

/* Rank Badges & Leaderboard */
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  margin-right: 8px;
}

.rank-1 { background: #ffd700; color: #856404; box-shadow: 0 0 15px rgba(255, 215, 0, 0.4); }
.rank-2 { background: #c0c0c0; color: #383d41; }
.rank-3 { background: #cd7f32; color: #ffffff; }

.table-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* General Layout helpers */
.actions-dashboard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .judging-layout {
    grid-template-columns: 1fr;
  }
  
  .judging-sidebar {
    flex-direction: row;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 12px;
    margin-bottom: 20px;
  }
  
  .sidebar-student-item {
    min-width: 180px;
    flex-shrink: 0;
  }

  .workspace-header-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-container {
    padding: 16px 8px;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .student-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .score-pill-row {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }

  .score-pill {
    min-width: 35px;
    height: 40px;
    font-size: 0.8rem;
  }
  
  .actions-dashboard {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  color: var(--text);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  border-left: 4px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  backdrop-filter: blur(12px);
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.success {
  border-left-color: var(--success);
}

.toast.hide {
  animation: toastFadeOut 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}


/* Actions Dashboard Layout */
.actions-dashboard {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.actions-dashboard .form-input, 
.actions-dashboard .custom-select {
  height: 48px;
  margin-bottom: 0 !important;
}

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

/* Bulk Actions */
.bulk-actions-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.custom-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary);
}

.student-card-checkbox {
  margin-right: 16px;
}


/* Evaluation Validation Highlighting */
.criteria-item {
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.criteria-item.has-error {
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-left: -16px;
  margin-right: -16px;
  animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

.criteria-item.has-error .criteria-label {
  color: var(--danger);
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}