/**
 * Styles principaux du board Kanban BMad.
 * Gère la disposition des colonnes, header, et layout général.
 */

/* ===== VARIABLES CSS ===== */
:root {
    --couleur-primaire: #3498db;
    --couleur-secondaire: #2c3e50;
    --couleur-danger: #e74c3c;
    --couleur-warning: #f39c12;
    --couleur-success: #27ae60;
    --couleur-info: #3498db;

    --fond-principal: #ecf0f1;
    --fond-secondaire: #ffffff;
    --fond-carte: #ffffff;
    --fond-header: #2c3e50;

    --texte-principal: #2c3e50;
    --texte-secondaire: #7f8c8d;
    --texte-inverse: #ffffff;

    --bordure-couleur: #bdc3c7;
    --bordure-radius: 8px;
    --ombre-carte: 0 2px 4px rgba(0, 0, 0, 0.1);
    --ombre-hover: 0 4px 8px rgba(0, 0, 0, 0.15);

    --espacement-xs: 4px;
    --espacement-sm: 8px;
    --espacement-md: 16px;
    --espacement-lg: 24px;
    --espacement-xl: 32px;
}

/* ===== LAYOUT PRINCIPAL ===== */
.board-page {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background-color: var(--fond-principal);
    color: var(--texte-principal);
    overflow-x: hidden;
}

/* ===== HEADER BOARD ===== */
.board-header {
    background-color: var(--fond-header);
    color: var(--texte-inverse);
    padding: var(--espacement-md) var(--espacement-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: var(--espacement-sm);
}

.board-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.board-stats {
    display: flex;
    gap: var(--espacement-lg);
    font-size: 0.9rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--espacement-xs);
}

.stat-item.critiques {
    color: var(--couleur-danger);
    font-weight: 600;
}

.stat-label {
    opacity: 0.8;
}

.stat-value {
    font-weight: 700;
    font-size: 1.1rem;
}

.stat-unit {
    font-size: 0.8rem;
    opacity: 0.7;
}

.header-right {
    display: flex;
    gap: var(--espacement-sm);
}

.btn-icon {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 200ms ease;
    color: var(--texte-inverse);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.btn-icon:active {
    transform: scale(0.95);
}

/* ===== CONTENEUR COLONNES ===== */
.board-container {
    display: grid;
    grid-template-columns: repeat(7, minmax(280px, 1fr));
    gap: var(--espacement-md);
    padding: var(--espacement-lg);
    overflow-x: auto;
    height: calc(100vh - 120px);
}

/* ===== COLONNES KANBAN ===== */
.colonne-board {
    background-color: var(--fond-secondaire);
    border-radius: var(--bordure-radius);
    box-shadow: var(--ombre-carte);
    display: flex;
    flex-direction: column;
    min-width: 280px;
    max-width: 350px;
    transition: box-shadow 200ms ease;
}

.colonne-board.drag-over {
    box-shadow: 0 0 0 3px var(--couleur-primaire);
    background-color: rgba(52, 152, 219, 0.05);
}

.colonne-header {
    padding: var(--espacement-md);
    border-bottom: 2px solid var(--bordure-couleur);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--fond-secondaire) 0%, var(--fond-principal) 100%);
    border-top-left-radius: var(--bordure-radius);
    border-top-right-radius: var(--bordure-radius);
}

.colonne-titre {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--texte-principal);
}

.colonne-compteur {
    background-color: var(--bordure-couleur);
    color: var(--texte-inverse);
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 24px;
    text-align: center;
}

.colonne-compteur.has-tickets {
    background-color: var(--couleur-primaire);
}

.colonne-description {
    padding: var(--espacement-sm) var(--espacement-md);
    font-size: 0.75rem;
    color: var(--texte-secondaire);
    font-style: italic;
    border-bottom: 1px solid var(--bordure-couleur);
}

.colonne-contenu {
    flex: 1;
    padding: var(--espacement-sm);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--espacement-sm);
    min-height: 200px;
}

.colonne-vide {
    text-align: center;
    color: var(--texte-secondaire);
    font-size: 0.9rem;
    padding: var(--espacement-xl) var(--espacement-md);
    font-style: italic;
}

/* ===== SCROLLBAR PERSONNALISÉE ===== */
.colonne-contenu::-webkit-scrollbar {
    width: 8px;
}

.colonne-contenu::-webkit-scrollbar-track {
    background: transparent;
}

.colonne-contenu::-webkit-scrollbar-thumb {
    background: var(--bordure-couleur);
    border-radius: 4px;
}

.colonne-contenu::-webkit-scrollbar-thumb:hover {
    background: var(--texte-secondaire);
}

/* ===== MESSAGES ERREUR ===== */
.erreur-board {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--espacement-xl);
    background: var(--fond-secondaire);
    border-radius: var(--bordure-radius);
}

.erreur-icone {
    font-size: 3rem;
    margin: 0;
}

.erreur-message {
    font-size: 1.1rem;
    color: var(--couleur-danger);
    margin: var(--espacement-md) 0;
}

/* ===== BOUTONS ===== */
.btn-primaire {
    background-color: var(--couleur-primaire);
    color: var(--texte-inverse);
    border: none;
    border-radius: var(--bordure-radius);
    padding: var(--espacement-sm) var(--espacement-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 200ms ease;
}

.btn-primaire:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: var(--ombre-hover);
}

.btn-primaire:active {
    transform: translateY(0);
}

/* ===== TOASTS ===== */
.toast {
    position: fixed;
    bottom: var(--espacement-lg);
    right: var(--espacement-lg);
    background-color: var(--fond-secondaire);
    color: var(--texte-principal);
    padding: var(--espacement-md) var(--espacement-lg);
    border-radius: var(--bordure-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 300ms ease;
}

.toast.visible {
    opacity: 1;
    transform: translateY(0);
}

.toast-erreur {
    background-color: var(--couleur-danger);
    color: var(--texte-inverse);
}

/* ===== SECTION FILTRES (Story 8.3) ===== */
.board-header {
    flex-direction: column;
    align-items: stretch;
}

.section-filtres {
    display: flex;
    flex-direction: column;
    gap: var(--espacement-sm);
    margin-top: var(--espacement-md);
    padding-top: var(--espacement-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.filtres-ligne-1 {
    display: flex;
    gap: var(--espacement-sm);
    align-items: center;
    flex-wrap: wrap;
}

.filtres-ligne-2 {
    display: flex;
    gap: var(--espacement-xs);
    flex-wrap: wrap;
    align-items: center;
}

/* ===== BARRE RECHERCHE ===== */
.barre-recherche {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--bordure-radius);
    padding: var(--espacement-xs) var(--espacement-sm);
    width: 400px;
    box-shadow: var(--ombre-carte);
}

.icone-recherche {
    font-size: 1rem;
    margin-right: var(--espacement-xs);
    color: var(--texte-secondaire);
}

.barre-recherche input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.9rem;
    padding: var(--espacement-xs);
    color: var(--texte-principal);
}

.barre-recherche input::placeholder {
    color: var(--texte-secondaire);
    opacity: 0.7;
}

.btn-clear-recherche {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--texte-secondaire);
    cursor: pointer;
    padding: 0 var(--espacement-xs);
    line-height: 1;
    transition: color 150ms ease;
}

.btn-clear-recherche:hover {
    color: var(--couleur-danger);
}

.indicateur-resultats {
    margin-top: var(--espacement-xs);
    font-size: 0.85rem;
}

.compteur-resultats {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.aucun-resultat {
    color: var(--couleur-warning);
    margin: 0;
}

.suggestion {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    margin: var(--espacement-xs) 0 0 0;
}

/* ===== DROPDOWNS FILTRES ===== */
#dropdowns-container {
    display: flex;
    gap: var(--espacement-sm);
    flex-wrap: wrap;
    flex: 1;
}

.filtre-dropdown {
    position: relative;
}

.btn-dropdown {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--bordure-radius);
    padding: var(--espacement-xs) var(--espacement-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 150ms ease;
    color: var(--texte-principal);
    white-space: nowrap;
}

.btn-dropdown:hover {
    background: #ffffff;
    box-shadow: var(--ombre-carte);
}

.btn-dropdown[aria-expanded="true"] {
    background: #ffffff;
    box-shadow: 0 0 0 2px var(--couleur-primaire);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: #ffffff;
    border: 1px solid var(--bordure-couleur);
    border-radius: var(--bordure-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 200;
    min-width: 180px;
    max-height: 300px;
    overflow-y: auto;
    animation: dropdown-fade-in 200ms ease-out;
}

@keyframes dropdown-fade-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-option {
    display: flex;
    align-items: center;
    gap: var(--espacement-sm);
    padding: var(--espacement-sm) var(--espacement-md);
    cursor: pointer;
    transition: background-color 100ms ease;
    user-select: none;
}

.dropdown-option:hover {
    background-color: var(--fond-principal);
}

.dropdown-option input {
    cursor: pointer;
}

.dropdown-option span {
    flex: 1;
    font-size: 0.9rem;
    color: var(--texte-principal);
}

/* ===== BADGES FILTRES ACTIFS ===== */
.label-badges {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
    margin-right: var(--espacement-sm);
}

.badge-filtre {
    display: inline-flex;
    align-items: center;
    gap: var(--espacement-xs);
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 4px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--texte-inverse);
    animation: badge-fade-in 200ms ease-out;
}

@keyframes badge-fade-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge-priorite {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.3) 0%, rgba(243, 156, 18, 0.3) 100%);
}

.badge-categorie {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.3) 0%, rgba(41, 128, 185, 0.3) 100%);
}

.badge-module {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.3) 0%, rgba(46, 204, 113, 0.3) 100%);
}

.badge-tags {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.3) 0%, rgba(142, 68, 173, 0.3) 100%);
}

.badge-recherche {
    background: linear-gradient(135deg, rgba(241, 196, 15, 0.3) 0%, rgba(243, 156, 18, 0.3) 100%);
}

.btn-remove-badge {
    background: none;
    border: none;
    color: var(--texte-inverse);
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
    margin-left: 4px;
    line-height: 1;
    transition: transform 100ms ease;
}

.btn-remove-badge:hover {
    transform: scale(1.2);
}

/* ===== BOUTON RESET ===== */
.btn-reset-filtres {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--bordure-radius);
    padding: var(--espacement-xs) var(--espacement-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--texte-inverse);
    cursor: pointer;
    transition: all 150ms ease;
    white-space: nowrap;
}

.btn-reset-filtres:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-reset-filtres:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== ANIMATIONS FILTRAGE ===== */
.kanban-carte.carte-visible {
    animation: carte-fade-in 200ms ease-out;
}

.kanban-carte.carte-cachee {
    animation: carte-fade-out 150ms ease-in;
}

@keyframes carte-fade-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes carte-fade-out {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.95);
    }
}

.flash-highlight {
    animation: flash 300ms ease-in-out;
}

@keyframes flash {
    0%, 100% {
        background-color: transparent;
    }
    50% {
        background-color: rgba(243, 156, 18, 0.3);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .board-container {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .board-header {
        flex-direction: column;
        gap: var(--espacement-md);
        align-items: flex-start;
    }

    .board-stats {
        flex-direction: column;
        gap: var(--espacement-xs);
    }

    .board-container {
        grid-template-columns: 1fr;
        padding: var(--espacement-md);
    }

    .colonne-board {
        max-width: 100%;
    }

    .barre-recherche {
        width: 100%;
    }

    .filtres-ligne-1 {
        flex-direction: column;
        align-items: stretch;
    }

    #dropdowns-container {
        flex-direction: column;
    }

    .filtre-dropdown {
        width: 100%;
    }

    .btn-dropdown {
        width: 100%;
    }
}