/* Variables de couleur et de style */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #357abd;
    --background-color: #f4f7f9;
    --card-background: #ffffff;
    --text-color: #333;
    --text-light: #7f8c8d;
    --border-color: #e0e0e0;
    --danger-color: #e74c3c;
    --warning-color: #f1c40f;
    --success-color: #2ecc71;
    --shadow: 0 4px 8px rgba(0,0,0,0.1);
    --border-radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

/* ========================================= */
/* --- LOGIN SCREEN --- */
/* ========================================= */
#login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

#login-form {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

#login-form h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

#login-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

#login-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
}

#login-form button {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#login-form button:hover {
    background-color: var(--secondary-color);
}

.error-message {
    color: var(--danger-color);
    font-size: 0.9em;
    margin-bottom: 15px;
    font-weight: bold;
}

/* ========================================= */
/* --- LAYOUT PRINCIPAL --- */
/* ========================================= */

#app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

#top-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.user-greeting {
    font-family: "Segoe UI", sans-serif;
    color: var(--primary-color);
    font-weight: bold;
}

#logout-btn {
    background-color: var(--danger-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9em;
    transition: background-color 0.3s;
}

#logout-btn:hover {
    background-color: #c0392b;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
}

header h1 {
    color: var(--primary-color);
    margin: 0;
    text-align: center;
    flex-grow: 1;
}

/* --- MENU PRINCIPAL --- */
#main-menu h1 {
    width: 100%;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.menu-cards-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.menu-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 280px;
    height: 180px;
    padding: 20px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-top: 5px solid var(--primary-color);
}

.menu-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}

.menu-card h2 {
    margin: 0 0 10px 0;
    font-size: 1.5em;
    color: var(--primary-color);
}

.construction-message {
    text-align: center;
    padding: 50px;
    font-size: 1.5em;
    color: var(--text-light);
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-top: 20px;
}

.back-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px 15px;
    position: absolute;
    left: 20px;
    cursor: pointer;
    border-radius: 4px;
}

#add-task-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

/* --- NAVIGATION VUES --- */
#view-navigation {
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.view-btn {
    background: none;
    padding: 10px 20px;
    color: var(--text-light);
    font-weight: 600;
    border: none;
    border-radius: 0;
    cursor: pointer;
    font-size: 1rem;
}

.view-btn.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

/* Titres dynamiques */
.title-en-cours { color: var(--primary-color); }
.title-archives { color: var(--warning-color); }
.title-corbeille { color: var(--danger-color); }


/* ========================================= */
/* --- TABLEAU --- */
/* ========================================= */
#task-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-background);
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-top: 15px;
}

#task-table th, #task-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

#task-table th {
    background-color: #f8f9fa;
    font-size: 0.85em;
    text-transform: uppercase;
}

#task-table tbody tr:hover {
    background-color: #f1f1f1;
}

.expand-column { width: 40%; min-width: 250px; }
.actions-cell { display: flex; align-items: center; gap: 8px; }

.action-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    padding: 5px;
    font-size: 1.1em;
    transition: transform 0.2s;
}

.action-btn:hover {
    transform: scale(1.1);
    background-color: #eee;
}

.priority-icon, .high-priority-icon {
    font-size: 1.5em;
    cursor: pointer;
    transition: transform 0.2s;
}

.priority-icon:hover, .high-priority-icon:hover { transform: scale(1.2); }
.priority-cell, .discussion-cell { text-align: center; }

.comment-badge {
    background-color: var(--primary-color);
    color: white;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.85em;
    cursor: pointer;
    display: inline-block;
}

/* Slider tableau */
.progress-container { display: flex; align-items: center; gap: 10px; }
.table-progress-slider {
    width: 100px;
    height: 6px;
    -webkit-appearance: none;
    background: #e0e0e0;
    border-radius: 3px;
    cursor: pointer;
}
.table-progress-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: #fff;
    border: 2px solid #7f8c8d;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Tri des colonnes */
th.sortable {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}

th.sortable:hover {
    background-color: #e2e6ea; 
}

th.sortable span {
    font-size: 0.8em;
    margin-left: 5px;
    color: var(--text-light);
}

th.sortable.active-sort {
    background-color: #dbeafe; 
    color: var(--primary-color);
}

/* ========================================= */
/* --- MODALE --- */
/* ========================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-background);
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 1200px;
    height: 90vh;
    position: relative;
    box-shadow: 0 15px 50px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    color: #aaa;
    cursor: pointer;
}

#task-form {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.form-group { margin-bottom: 15px; }

/* Styles pour le split Date / Switch */
.form-row-split {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.half-width {
    flex: 1;
}

.switch-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.75em;
    text-transform: uppercase;
    color: #666;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid transparent;
    border-radius: 8px;
    box-sizing: border-box;
    background-color: #f8f9fa;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    background-color: #ffffff;
    border-color: var(--primary-color);
    outline: none;
}

/* --- SWITCH (BOUTON BASCULE) STYLE --- */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #ccc;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background-color: white;
  transition: .4s;
}

input:checked + .slider { background-color: var(--danger-color); }
input:focus + .slider { box-shadow: 0 0 1px var(--danger-color); }
input:checked + .slider:before { transform: translateX(26px); }
.slider.round { border-radius: 34px; }
.slider.round:before { border-radius: 50%; }

.task-title-input {
    font-size: 1.6em;
    font-weight: bold;
    border: none !important;
    background: transparent !important;
    padding: 5px 0 !important;
    width: 100%;
    color: var(--text-color);
}

.modal-body-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 20px;
    flex-grow: 1;
    overflow: hidden;
    min-height: 0;
    padding-bottom: 10px;
}

.column-details { overflow-y: auto; padding-right: 15px; }

.column-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-left: 1px solid #eee;
    border-right: 1px solid #eee;
    padding: 0 20px;
}

.progress-slider { width: 100%; margin-top: 20px; cursor: pointer; }

.column-chat {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-radius: 8px;
    background-color: #fcfcfc;
    padding: 10px;
}

.modal-footer {
    margin-top: auto;
    border-top: 1px solid #eee;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-right { display: flex; gap: 10px; }

.modal-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    font-weight: 600;
}

.cancel-btn { background-color: #ecf0f1; color: var(--text-color); }
#save-task-btn, .confirm-btn { background-color: var(--primary-color); color: white; }

/* Chat Styles */
#chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 4px;
    margin-bottom: 10px;
}

.message-bubble {
    padding: 10px 15px;
    border-radius: 18px;
    margin-bottom: 8px;
    max-width: 80%;
    word-wrap: break-word;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.message-own { background-color: var(--primary-color); color: white; align-self: flex-end; }
.message-other { background-color: #e0e0e0; color: var(--text-color); align-self: flex-start; }
.message-meta { font-size: 0.75em; margin-bottom: 4px; color: inherit; opacity: 0.8; }

#chat-input {
    border-radius: 25px;
    padding: 12px 18px;
    border: 1px solid #ddd;
    flex-grow: 1;
}

#send-chat-btn {
    border-radius: 50%;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modes Modale (Focus Chat) */
.modal-body-grid.modal-chat-only .column-details,
.modal-body-grid.modal-chat-only .column-progress { display: none; }
.modal-body-grid.modal-chat-only { grid-template-columns: 1fr; }
.modal-content.modal-chat-focus-mode { height: 600px; width: 500px; max-width: 95%; }

/* Petite modale confirm */
#confirmation-modal .modal-content { width: 400px; height: auto; text-align: center; padding: 30px; }
#confirmation-modal .modal-buttons { display: flex; justify-content: center; gap: 20px; margin-top: 20px; }


/* ========================================= */
/* --- CLASSES DYNAMIQUES & ANIMATIONS --- */
/* ========================================= */

@keyframes blink-red {
    0% { background-color: rgba(231, 76, 60, 0.1); }
    50% { background-color: rgba(231, 76, 60, 0.5); }
    100% { background-color: rgba(231, 76, 60, 0.1); }
}

.row-high-priority, .fiscal-urgent {
    animation: blink-red 2s infinite;
    border-left: 4px solid var(--danger-color) !important;
    font-weight: bold;
}

.task-locked {
    opacity: 0.6;
    background-color: #fcfcfc;
    pointer-events: none;
}

.task-locked .action-btn[data-action="restaurer"] { pointer-events: auto; cursor: pointer; }

.btn-green { background-color: var(--success-color) !important; color: white !important; }
.btn-red { color: var(--danger-color) !important; }
.btn-orange { color: var(--warning-color) !important; }


/* ========================================= */
/* --- VUE KANBAN (COMPLET) --- */
/* ========================================= */

#kanban-view {
    display: flex;
    flex-direction: column; /* Colonne pour empiler les cartes et la zone d'actions */
    height: calc(100vh - 200px);
    margin-top: 15px;
}

.kanban-board-wrapper {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    flex-grow: 1; /* Prend tout l'espace restant */
    padding-bottom: 10px;
}

.kanban-column {
    flex: 1;
    min-width: 300px;
    background-color: #ebecf0;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.k-header {
    padding: 15px;
    margin: 0;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    color: white;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

.header-todo { background-color: var(--primary-color); }
.header-review { background-color: var(--warning-color); }
.header-done { background-color: var(--success-color); }

.k-content {
    padding: 10px;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 100px; /* Zone de drop toujours active */
}

/* Carte Kanban */
.kanban-card {
    background: white;
    padding: 15px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    cursor: grab;
    border-left: 4px solid transparent;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.kanban-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.kanban-card:active { cursor: grabbing; }

/* Distinction Carte Admin vs Autres */
.kanban-card.card-admin {
    border-left: 5px solid var(--primary-color) !important;
    background-color: #f0f8ff; /* Bleu très pâle pour l'admin */
}

.kanban-card.card-other {
    border-left: 5px solid #95a5a6 !important; /* Gris pour les autres */
    background-color: #ffffff;
}

.user-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75em;
    font-weight: bold;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.badge-admin { background-color: var(--primary-color); color: white; }
.badge-collab { background-color: #95a5a6; color: white; }

/* Indicateurs visuels sur la carte */
.k-card-top {
    display: flex;
    justify-content: space-between;
    font-size: 0.8em;
    color: #777;
    margin-bottom: 8px;
}

.k-card-title {
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--text-color);
}

.k-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85em;
    margin-top: 10px;
    border-top: 1px solid #eee;
    padding-top: 8px;
}

.k-fiscal-tag {
    background-color: #ffebee;
    color: var(--danger-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7em;
    font-weight: bold;
}

/* Drag & Drop Feedback */
.kanban-card.dragging {
    opacity: 0.5;
    border: 2px dashed var(--primary-color);
}

.kanban-column.drag-over {
    background-color: #dbeafe; /* Surlignage de la colonne au survol */
    box-shadow: inset 0 0 10px rgba(0,0,0,0.1);
}

/* Zones de Dépôt (Actions Admin) */
#kanban-actions-zone {
    display: flex;
    gap: 20px;
    height: 80px;
    margin-top: 10px;
    flex-shrink: 0; /* Empêche le rétrécissement */
}

.drop-zone {
    flex: 1;
    border: 2px dashed #ccc;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #777;
    transition: all 0.3s;
    background-color: rgba(255,255,255,0.5);
    cursor: default;
}

.drop-zone strong { margin-left: 5px; }

/* Styles au survol (DragOver) des zones d'action */
.drop-zone.zone-archive:hover, .drop-zone.zone-archive.drag-over {
    background-color: #fff3e0;
    border-color: var(--warning-color);
    color: var(--warning-color);
    transform: scale(1.02);
}

.drop-zone.zone-delete:hover, .drop-zone.zone-delete.drag-over {
    background-color: #ffebee;
    border-color: var(--danger-color);
    color: var(--danger-color);
    transform: scale(1.02);
}

/* ========================================= */
/* --- RESPONSIVE --- */
/* ========================================= */
@media (max-width: 900px) {
    .modal-content { height: auto; max-height: 95vh; overflow-y: auto; }
    .modal-body-grid { grid-template-columns: 1fr; display: flex; flex-direction: column; gap: 25px; }
    .column-progress, .column-chat { border: none; border-top: 1px solid #eee; padding-top: 20px; }
    .column-chat { height: 300px; }
    
    #kanban-actions-zone { flex-direction: column; height: auto; }
    .drop-zone { padding: 15px; }
}