static/style.css

:root {
  --primary-color: #3a5a80;
  --primary-hover: #2d4560;
  --accent-color: #dee6ef;
  --background-color: #f8f9fb;
  --border-color: #d0d7de;
  --text-color: #333;
}

body {
  font-family: "Segoe UI", sans-serif;
  background: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  height: 100vh;
  overflow: hidden;
}

.page-wrapper {
  display: flex;
  height: 100vh;
  width: 100%;
  position: relative;
}

/* Sidebar chat */
#chat-sidebar {
  width: 600px;
  background: #ffffff;
  border-right: 1px solid #ddd;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  z-index: 999;
}

#chat-sidebar.collapsed {
  width: 0;
  border: none;
}

#chat-header {
  padding: 15px;
  background: #007bff;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
}

#chat-box {
  flex-grow: 1;
  overflow-y: auto;
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-message {
  max-width: 80%;
  padding: 10px 15px;
  border-radius: 15px;
  background-color: #f1f1f1;
  align-self: flex-start;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.chat-message.user {
  background-color: #dcf8c6;
  align-self: flex-end;
}

#chat-footer {
  padding: 10px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 10px;
}

#chat-input {
  flex-grow: 1;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid #ccc;
  font-size: 15px;
  font-family: "Segoe UI", sans-serif;
  line-height: 1.4;
  resize: none;
  outline: none;
  background-color: #f9fbfd;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#chat-input:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
  background-color: #fff;
}

#chat-input::placeholder {
  color: #999;
  font-style: italic;
  font-size: 14px;
}

#chat-input {
  caret-color: #007bff;
}

#chat-footer button {
  background: #007bff;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

#chat-footer button:hover {
  background: #0056b3;
  transform: scale(1.05);
}

#chat-footer button:disabled {
  background: #ccc;
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.toggle-chat-button {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1001;
  padding: 12px 14px;
  font-size: 18px;
  border-radius: 50%;
  background: #007bff;
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: opacity 0.3s ease;
}

.toggle-chat-button.hidden {
  opacity: 0;
  pointer-events: none;
}


/* Le main-container prend tout l’espace restant */
.main-container {
  flex-grow: 1;
  transition: margin-left 0.3s ease;
  overflow: auto;
  padding: 20px 20px 20px 80px; 
}

#chat-sidebar,
.main-container {
  transition: all 0.3s ease-in-out;
}

#chat-sidebar.collapsed {
  width: 0;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: none;
}

/* Empêche l'affichage des enfants */
#chat-sidebar.collapsed * {
  display: none !important;
}

.stepper {
  display: flex;
  gap: 16px;
  align-items: center;
  margin: 10px 0 20px;
}

.stepper .step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #f4f7fa;
  border: 1px solid #d0d7de;
  border-radius: 12px;
  color: #4a5568;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.stepper .step::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  width: 16px;
  height: 2px;
  margin-left: 1px;
  background: #d0d7de;
  transform: translateY(-50%);
  z-index: 0;
}

.stepper .step:last-child::after {
  display: none;
}

.stepper .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #e6eef7;
  color: #2563eb;
  font-weight: 700;
  font-size: 13px;
  border: 1px solid #cbd5e1;
}

.stepper .step.active {
  border-color: #2563eb;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.15);
  transform: translateY(-2px);
  background: #eef4ff;
}

.stepper .step.locked {
  opacity: 0.45;
  cursor: not-allowed;
  background: #f8fafc;
  border-color: #e2e8f0;
}

.stepper .step:not(.locked):hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.12);
}

.stepper .step.active .step-index {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
}

.stepper .step.done {
  border-color: #28a745;
  color: #2563eb;
}

.stepper .step.done .step-index {
  background: #28a745;
  color: #fff;
  border-color: #28a745;
}

.stepper .step.done::after {
  background: #28a745;
}

.stepper .step.highlight {
  animation: pulseBorder 1.2s ease-in-out infinite;
}

@keyframes pulseBorder {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.25); }
  70% { box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  cursor: help;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
  flex-shrink: 0;
}

.dropzone {
  border: 2px dashed #cbd5e1;
  background: #f8fafc;
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 16px;
}

.dropzone.drag-over {
  border-color: #2563eb;
  background: #eef4ff;
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.12);
}

.dropzone-title {
  margin: 0;
  font-weight: 700;
  color: #1f2937;
}

.dropzone-subtitle {
  margin: 4px 0 12px 0;
  color: #4b5563;
}

.csv-upload-row {
  display: none !important;
}

#csv-upload-section .csv-upload-row,
#csv-upload-section .csv-upload-row .custom-upload-button,
#csv-upload-section .csv-upload-row #csv-file-info,
#csv-upload-section .csv-upload-row #preview-loading {
  display: none !important;
}

.wizard-panel {
  display: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.wizard-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.wizard-panel.locked {
  pointer-events: none;
  opacity: 0.4;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.quality-good {
  background-color: #e8f5e9;
}
.quality-warn {
  background-color: #fff9e6;
}
.quality-bad {
  background-color: #ffeaea;
}

.close-button {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #555; 
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  line-height: 1;
  transition: color 0.2s ease;
}

.close-button:hover {
  color: #000; 
}


.settings-container {
  position: absolute;
  top: 16px;
  right: 20px;
  z-index: 1001;
}

.settings-button {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.2s;
}

.settings-button:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.settings-button .icon {
  width: 24px;
  height: 24px;
  color: #333;
}

.settings-menu {
  position: absolute;
  top: 40px;
  right: 0;
  width: 200px;
  background: white;
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  padding: 16px;
  z-index: 999;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.settings-menu.hidden {
  display: none;
}

.menu-group {
  margin-bottom: 12px;
}

.menu-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #444;
}

.menu-group select {
  width: 100%;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
  background: #f9f9f9;
  transition: border-color 0.2s;
}

.menu-group select:focus {
  border-color: #007bff;
  outline: none;
}

/* ── Dark mode toggle widget ─────────────────────────────────────────── */
.dark-mode-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #444;
  cursor: default;
}

.dm-toggle-track {
  display: inline-block;
  width: 36px;
  height: 20px;
  background: #ccc;
  border-radius: 20px;
  position: relative;
  cursor: pointer;
  transition: background 0.25s;
  flex-shrink: 0;
  margin-left: auto;
}

.dm-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s;
  pointer-events: none;
}

.dm-toggle-thumb.dm-on {
  transform: translateX(16px);
}

.dm-toggle-track:has(.dm-on) {
  background: #2563eb;
}

/* ── Dark mode overrides ─────────────────────────────────────────────── */
body.dark-mode {
  --background-color: #0f1117;
  --text-color: #dde1e7;
  --border-color: #2e3347;
  --primary-color: #5b8ab8;
  --accent-color: #1e2a38;
  background: #0f1117;
  color: #dde1e7;
}

/* Broad text-color reset — covers h*, p, label, span, td, li, small */
body.dark-mode h1, body.dark-mode h2, body.dark-mode h3,
body.dark-mode h4, body.dark-mode h5, body.dark-mode h6 { color: #dde1e7; }
body.dark-mode h2 { color: #7aafd4; }
body.dark-mode p, body.dark-mode li,
body.dark-mode small, body.dark-mode strong { color: #dde1e7; }
body.dark-mode label { color: #c8d0db; }

/* Panels & surfaces */
body.dark-mode section { background: #1c1f2e !important; border-color: #2e3347; }
body.dark-mode .result-section {
  background-color: #1c1f2e !important;
  border-color: #2e3347;
}
body.dark-mode .result-section h3 { color: #dde1e7; }
body.dark-mode .card { background: #1c1f2e !important; }
body.dark-mode .subsection { background: #1c1f2e !important; border-color: #2e3347; }
body.dark-mode .wizard-content { background: #1c1f2e; border-color: #2e3347; }

/* Chat */
body.dark-mode #chat-sidebar { background: #1c1f2e; border-color: #2e3347; }
body.dark-mode #chat-box { background: #151722; }
body.dark-mode .chat-message { background-color: #252a3a; color: #dde1e7; }
body.dark-mode .chat-message.user { background-color: #1e3a2f; }
body.dark-mode #chat-input {
  background-color: #1c1f2e;
  border-color: #2e3347;
  color: #dde1e7;
}

/* Settings menu */
body.dark-mode .settings-menu {
  background: #1c1f2e;
  border-color: #2e3347;
  box-shadow: 0 6px 16px rgba(0,0,0,0.5);
}
body.dark-mode .menu-group label,
body.dark-mode .dark-mode-label { color: #aab4c4; }
body.dark-mode .menu-group select {
  background: #252836;
  border-color: #2e3347;
  color: #dde1e7;
}

/* Tables */
body.dark-mode table { border-color: #2e3347; }
body.dark-mode th {
  background-color: #252836 !important;
  border-color: #2e3347;
  color: #dde1e7;
}
body.dark-mode td {
  background-color: #1c1f2e;
  border-color: #2e3347;
  color: #dde1e7;
}
body.dark-mode tr:nth-child(even) td { background-color: #1a1d2a; }
body.dark-mode .missing-cell { background-color: #3a1a1a !important; color: #fca5a5 !important; }

body.dark-mode #csv-file-info {
  background-color: #1c1f2e;
  border-color: #2e3347;
  color: #dde1e7;
}

/* Form inputs */
body.dark-mode input[type="text"],
body.dark-mode input[type="number"],
body.dark-mode input[type="email"],
body.dark-mode select,
body.dark-mode textarea {
  background-color: #252836;
  border-color: #2e3347;
  color: #dde1e7;
}

/* Dropzone */
body.dark-mode .dropzone {
  background: #1c1f2e;
  border-color: #2e3347;
}
body.dark-mode .dropzone-title,
body.dark-mode .dropzone p { color: #aab4c4; }
body.dark-mode .dropzone.drag-over {
  background: #1a263a;
  border-color: #5b8ab8;
}

/* Stepper */
body.dark-mode .stepper .step {
  background: #1c1f2e;
  border-color: #2e3347;
  color: #aab4c4;
}
body.dark-mode .stepper .step.active {
  background: #1a263a;
  border-color: #5b8ab8;
  color: #dde1e7;
}
body.dark-mode .stepper .step.done { color: #86efac; }

/* Tabs */
body.dark-mode .tab-radio-group {
  background: #1c1f2e;
  border-color: #2e3347;
}
body.dark-mode .tab-radio-group label { color: #aab4c4; }

/* Modal */
body.dark-mode .modal-content {
  background: #1c1f2e;
  border-color: #2e3347;
  color: #dde1e7;
}
body.dark-mode .modal-content input {
  background: #252836;
  border-color: #2e3347;
  color: #dde1e7;
}

/* Training progress panel */
body.dark-mode .training-panel { background: #1c1f2e; border-color: #2e3347; }
body.dark-mode .tp-header {
  background: linear-gradient(135deg, #1a263a 0%, #1e1e35 100%);
  border-color: #2e3347;
}
body.dark-mode .tp-info-pill { background: #252836; color: #aab4c4; }
body.dark-mode .tp-info-pill--target { background: #2a1e40; color: #a78bfa; }
body.dark-mode .tp-model-row.pending { background: #1c1f2e; color: #64748b; }
body.dark-mode .tp-model-row.training { background: #1a263a; color: #93c5fd; }
body.dark-mode .tp-model-row.done { background: #0f2a1e; color: #86efac; }
body.dark-mode .tp-model-row span { color: inherit; }

/* Misc */
body.dark-mode #time-limit-display { background-color: #1c1f2e; color: #aab4c4; }
body.dark-mode .quality-good { background-color: #0f2a1e !important; color: #86efac !important; }
body.dark-mode .quality-warn { background-color: #2a2000 !important; color: #fde68a !important; }
body.dark-mode .quality-bad  { background-color: #2a0f0f !important; color: #fca5a5 !important; }
body.dark-mode .plot-card img { box-shadow: 0 0 8px rgba(0,0,0,0.5); }

/* Results section dividers */
body.dark-mode .result-section h3 { border-bottom-color: #2e3347; }

/* Metrics table */
body.dark-mode .metrics-table,
body.dark-mode .metrics-table th,
body.dark-mode .metrics-table td { border-color: #2e3347; }
body.dark-mode .metrics-table th { background-color: #252836 !important; color: #dde1e7; }

/* Training panel model badges */
body.dark-mode .tp-model-row.pending .tp-model-badge { background: #252836; color: #94a3b8; }
body.dark-mode .tp-model-row.training .tp-model-badge { background: #1a263a; color: #93c5fd; }
body.dark-mode .tp-model-row.done .tp-model-badge { background: #0f2a1e; color: #86efac; }
body.dark-mode .tp-divider { background: #2e3347; }

/* Chat footer */
body.dark-mode #chat-footer { border-top-color: #2e3347; }

/* Close button */
body.dark-mode .close-button { color: #aab4c4; }
body.dark-mode .close-button:hover { color: #dde1e7; }

/* Modal text */
body.dark-mode .modal-content p { color: #c8d0db; }

/* Advanced options panel — has inline styles so needs !important */
body.dark-mode #advanced-options-body {
  background: #1c1f2e !important;
  border-color: #2e3347 !important;
  color: #dde1e7 !important;
}
/* Inline color:#555 on the toggle row */
body.dark-mode #advanced-options-section [onclick] { color: #aab4c4 !important; }

/* Settings gear icon — <i class="fas fa-cog"> not .icon */
body.dark-mode .settings-button i { color: #dde1e7; }
body.dark-mode .settings-button:hover { background-color: rgba(255,255,255,0.08); }

/* Upload file info box */
body.dark-mode #csv-file-info,
body.dark-mode #csv-file-info-drop,
body.dark-mode #predict-file-info {
  background-color: #1c1f2e !important;
  border-color: #2e3347 !important;
  color: #dde1e7 !important;
}
body.dark-mode #csv-file-name,
body.dark-mode #csv-file-name-drop,
body.dark-mode #predict-file-name { color: #dde1e7 !important; }

.right-content {
  flex: 2;
  overflow-y: auto;
  padding-right: 10px;
  height: 100%;
}

#csv-file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  margin-top: 0;
  background-color: #f0f4f8; 
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 14px;
  color: #333;
  border: 1px solid #d0d7de;
}

#csv-file-name {
  font-weight: 500;
  color: #1a202c;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 80%;
}

.remove-btn {
  background-color: transparent;
  border: none;
  color: #e53e3e;
  font-size: 16px;
  cursor: pointer;
  transition: color 0.2s ease-in-out;
}

.remove-btn:hover {
  color: #c53030;
}

section {
  background: white;
  padding: 20px;
  margin-bottom: 30px;
  border-radius: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-top: 20px;
}

h2 {
  color: #005aaa;
}

input[type="file"], select, input[type="text"] {
  margin: 10px 0;
  padding: 5px;
  font-size: 16px;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 10px;
}

th, td {
  border: 1px solid #ccc;
  padding: 5px;
  text-align: left;
}

#chat-box {
  background: #eef2f7;
  height: 150px;
  overflow-y: auto;
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.download-buttons-container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
  justify-content: flex-start;
}

.stat-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.stat-table th, .stat-table td {
  border: 1px solid #ddd;
  padding: 8px;
  font-size: 14px;
}

.stat-table th {
  background-color: #f2f2f2;
  text-align: left;
}

.card {
  background: #f9f9f9;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stats-grid {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-size: 14px;
}

.stats-grid div {
  min-width: 150px;
}

.missing-cell {
  background-color: #ffe2e2;
}


.remove-btn {
  background-color: transparent;
  border: none;
  color: red;
  font-size: 16px;
  cursor: pointer;
  margin-left: 10px;
}

#training-results {
  margin-top: 40px;
}

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

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3; /* cercle extérieur */
  border-top: 3px solid #3498db; /* couleur du spinner */
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-left: 10px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}



.csv-upload-row {
  display: inline-flex;     /* mismo eje para botón + spinner */
  align-items: center;      /* centra verticalmente */
  gap: 12px;
}

#preview-loading {
  align-self: center;
  margin: 0 0 0 8px;
  width: 24px;
  height: 24px;
  border-width: 3px;
  display: none;
}


/* ── Training Progress Panel ───────────────────────────────────────────────── */
.training-panel {
  position: fixed;
  top: 20px;
  right: -360px;
  width: 300px;
  max-height: calc(100vh - 40px);
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 8px 40px rgba(15, 23, 42, 0.16), 0 2px 8px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.12);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: right 0.4s cubic-bezier(0.34, 1.4, 0.64, 1);
}
.training-panel.visible {
  right: 20px;
}

/* Header */
.tp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 10px;
  background: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 100%);
  border-bottom: 1px solid #e8eaf6;
}
.tp-status {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tp-pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  animation: tp-pulse 1.6s ease-in-out infinite;
}
@keyframes tp-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
.tp-title {
  font-weight: 700;
  font-size: 13px;
  color: #1e293b;
  letter-spacing: 0.1px;
}
.tp-stop-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #94a3b8;
  font-size: 17px;
  padding: 4px 6px;
  border-radius: 7px;
  line-height: 1;
  transition: color 0.15s, background 0.15s;
}
.tp-stop-btn:hover {
  color: #ef4444;
  background: #fee2e2;
}

/* Dataset info pills */
.tp-dataset-info {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  padding: 8px 14px 4px;
}
.tp-info-pill {
  background: #f1f5f9;
  color: #475569;
  font-size: 10.5px;
  padding: 3px 9px;
  border-radius: 999px;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}
.tp-info-pill--target {
  background: #ede9fe;
  color: #6d28d9;
}

/* Circular timer ring */
.tp-timer-wrap {
  position: relative;
  width: 116px;
  height: 116px;
  margin: 10px auto 2px;
  flex-shrink: 0;
}
.tp-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.tp-ring-track {
  fill: none;
  stroke: #e2e8f0;
  stroke-width: 7;
}
.tp-ring-fill {
  fill: none;
  stroke: url(#tp-gradient);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 238.76;
  stroke-dashoffset: 238.76;
  transition: stroke-dashoffset 1s linear;
}
.tp-timer-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
}
.tp-time {
  font-size: 21px;
  font-weight: 800;
  color: #1e40af;
  letter-spacing: -0.5px;
  font-variant-numeric: tabular-nums;
}
.tp-time-label {
  font-size: 9.5px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* Progress bar */
.tp-progress-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 10px;
}
.tp-progress-bar {
  flex: 1;
  height: 5px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}
.tp-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #6366f1);
  border-radius: 999px;
  width: 0%;
  transition: width 1s linear;
}
.tp-progress-pct {
  font-size: 10.5px;
  font-weight: 600;
  color: #64748b;
  min-width: 28px;
  text-align: right;
}

/* Models list */
.tp-models-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 0 14px 14px;
  min-height: 0;
}
.tp-models-wrap::-webkit-scrollbar { width: 4px; }
.tp-models-wrap::-webkit-scrollbar-track { background: transparent; }
.tp-models-wrap::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }
.tp-models-header {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 6px;
  font-size: 10.5px;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.tp-models-hint {
  font-size: 9.5px;
  color: #94a3b8;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.tp-models-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.tp-model-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  border-radius: 8px;
  font-size: 12.5px;
  transition: background 0.25s, color 0.25s;
}
.tp-model-row.pending {
  color: #94a3b8;
  background: #f8fafc;
}
.tp-model-row.training {
  color: #1d4ed8;
  background: #eff6ff;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px #bfdbfe;
}
.tp-model-row.done {
  color: #15803d;
  background: #f0fdf4;
}
.tp-model-icon {
  font-size: 11px;
  width: 14px;
  text-align: center;
  flex-shrink: 0;
}
.tp-model-icon.spin {
  display: inline-block;
  animation: spin 0.9s linear infinite;
}
.tp-model-name {
  flex: 1;
}
.tp-model-badge {
  font-size: 9.5px;
  padding: 2px 6px;
  border-radius: 999px;
  font-weight: 600;
}
.pending .tp-model-badge  { background: #e2e8f0; color: #64748b; }
.training .tp-model-badge { background: #dbeafe; color: #1d4ed8; }
.done .tp-model-badge     { background: #dcfce7; color: #15803d; }

.tp-pulse-dot.finalizing {
  background: #f59e0b;
  animation: tp-pulse-amber 1.6s ease-in-out infinite;
}
@keyframes tp-pulse-amber {
  0%   { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}
.tp-divider {
  height: 1px;
  background: #e2e8f0;
  margin: 6px 0;
}


.result-section {
  margin-bottom: 30px;
  padding: 20px;
  background-color: #f9f9fc;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.result-section h3 {
  margin-bottom: 15px;
  color: #2a2a2a;
  font-size: 1.2em;
  border-bottom: 1px solid #ddd;
  padding-bottom: 5px;
}

.metrics-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.metrics-table th, .metrics-table td {
  padding: 10px 15px;
  border: 1px solid #ccc;
  text-align: center;
}

.metrics-table th {
  background-color: #efefef;
}

.plot-card {
  margin-top: 16px;
  text-align: center;
}

.plot-card img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

.custom-upload-button {
  display: inline-block;
  padding: 10px 20px;
  background-color: #007BFF;
  color: white;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
  margin-bottom: 10px;
  transition: background-color 0.3s ease;
}

.custom-upload-button:hover {
  background-color: #0056b3;
}

.neutral-button {
  display: inline-block;
  padding: 10px 20px;
  background-color: #6c757d;  /* Gris doux, neutre */
  color: white;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 10px;
  transition: background-color 0.3s ease;
  border: none;
}

.neutral-button:hover {
  background-color: #5a6268;
}

.primary-action-button {
  display: inline-block;
  padding: 10px 20px;
  background-color: #28a745;
  color: white;
  font-weight: bold;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 10px;
  transition: background-color 0.3s ease;
}

.primary-action-button:hover {
  background-color: #218838;
}

.download-button {
  all: unset; 
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  height: 50px;
  min-width: 250px;
  font-weight: bold;
  font-size: 16px;
  text-align: center;
  color: white;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  margin-top: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
  border: none;
}

a.download-button {
  text-decoration: none;
}

button.download-button {
  border: none;
}

.download-model {
  background-color: #6f42c1;
}
.download-model:hover {
  background-color: #5936a4;
}

.download-plots {
  background-color: #17a2b8;
}
.download-plots:hover {
  background-color: #117a8b;
}

.download-pdf {
  background-color: #e67e22;  
}

.download-pdf:hover {
  background-color: #ca6c1d;  
}

.generate-shap-button {
  all: unset;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  background-color: #ffb347; 
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.1s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin-top: 10px;
}

.generate-shap-button:hover {
  background-color: #ff9f1c;
  transform: scale(1.02);
}

.generate-shap-button:active {
  transform: scale(0.98);
}

.generate-shap-button:disabled,
.generate-shap-button.disabled-button {
  background-color: #cccccc !important;
  color: #666 !important;
  cursor: not-allowed;
  box-shadow: none;
  transform: none !important;
}


.button-container {
  display: flex;
  align-items: center;
  gap: 12px; /* espace entre bouton et spinner */
  margin-top: 15px;
}

.leaderboard-table-container {
  overflow-x: auto;
  margin-top: 15px;
}

.metrics-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.metrics-table th, .metrics-table td {
  border: 1px solid #ccc;
  padding: 8px 12px;
  text-align: left;
}

.metrics-table th {
  background-color: #f4f4f4;
}

.slider-container {
  width: fit-content;
  margin-bottom: 20px;
  font-family: "Segoe UI", sans-serif;
  display: flex;
  align-items: center;
  gap: 2px;
}

.range-wrapper {
  position: relative;
  width: 500px;
  margin-top: 0; 
}

.slider-value-display {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 500;
  color: #3a3a3a;
  text-align: center;
  width: 100%;
}

#time-limit-display {
  background-color: #eef2f7;
  padding: 6px 10px;
  border-radius: 8px;
  display: inline-block;
  min-width: 60px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  margin-left: 8px;
}

.tooltip {
  position: absolute;
  top: -35px;
  left: 0;
  background: #3a5a80;
  color: white;
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 6px;
  white-space: nowrap;
  transform: translateX(-50%);
  pointer-events: none;
  transition: left 0.1s ease;
}


.tab-radio-group {
  display: flex;
  border-radius: 12px;
  overflow: hidden;
  background: #f4f7fa;
  border: 1px solid #d0d7de;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  width: fit-content;
  margin-bottom: 24px;
}

.tab-radio-group input[type="radio"] {
  display: none;
}

.tab-radio-group label {
  padding: 12px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: #4a5568;
  background: transparent;
  transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s;
  border-right: 1px solid #e2e8f0;
  flex: 1;
  text-align: center;
}

.tab-radio-group label:last-child {
  border-right: none;
}

.tab-radio-group input[type="radio"]:checked + label {
  background-color: #2563eb; /* blue-600 */
  color: white;
  box-shadow: inset 0 -2px 0 #1d4ed8; /* active underline */
}

@media (max-width: 600px) {
  .tab-radio-group {
    flex-direction: column;
  }

  .tab-radio-group label {
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }

  .tab-radio-group label:last-child {
    border-bottom: none;
  }
}

.custom-alert {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: #ff4d4f;
  color: white;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  font-size: 16px;
  transition: opacity 0.5s ease, transform 0.3s ease;
  max-width: 300px;
}

.custom-alert.success {
  background-color: #28a745;
}

.custom-alert.warning {
  background-color: #ffc107;
  color: #212529;
}

.custom-alert.hidden {
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  width: 90%;
  max-width: 420px;
  box-shadow: 0 10px 35px rgba(0,0,0,0.15);
}

.modal-content h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.modal-content p {
  margin: 0 0 12px 0;
  color: #4b5563;
  font-size: 14px;
}

.modal-content input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 14px;
  box-sizing: border-box;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.groq-link {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 13px;
  color: #2563eb;
  text-decoration: none;
}

.groq-link:hover {
  text-decoration: underline;
}

/* Styliser chaque ligne de colonne à drop */
#drop-columns-list div {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}

#drop-columns-list input[type="checkbox"] {
  margin-right: 10px;
  transform: scale(1.3);
  accent-color: #007bff;
}

/* Imputation select + input */
#imputation-controls > div {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  gap: 10px;
  flex-wrap: wrap;
}

#imputation-controls label {
  font-weight: 500;
  color: #333;
  min-width: 120px;
}



select{
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
  background: #fff;
  font-size: 14px;
  margin-top: 5px;
}

#target-column{
  margin-left: 20px;
}