/* ==========================================================================
   Variables & Reset
   ========================================================================== */

:root {
    --color-primary:    #123F6D;
    --color-accent:     #1B6CFF;
    --color-accent-light: #e8f0fe;
    --color-bg:         #F5F7FA;
    --color-text:       #1A1A1A;
    --color-text-muted: #6B7280;
    --color-white:      #FFFFFF;
    --color-border:     #E5E7EB;
    --color-success:    #10B981;
    --color-warning:    #F59E0B;
    --color-danger:     #EF4444;
    --color-fav:        #F59E0B;

    --sidebar-width: 280px;
    --topbar-height: 60px;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,.15);
    --transition: .2s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

/* ==========================================================================
   Topbar
   ========================================================================== */

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 24px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.topbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    text-decoration: none;
    flex-shrink: 0;
}

.topbar__logo-icon {
    font-size: 1.5rem;
}

.topbar__logo-text {
    font-size: 1.1rem;
    letter-spacing: .3px;
}

.topbar__search {
    flex: 1;
    max-width: 520px;
}

.topbar__search-input {
    width: 100%;
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: .95rem;
    background: rgba(255,255,255,.15);
    color: var(--color-white);
    transition: var(--transition);
}
.topbar__search-input::placeholder {
    color: rgba(255,255,255,.6);
}
.topbar__search-input:focus {
    outline: none;
    background: rgba(255,255,255,.25);
    box-shadow: 0 0 0 3px rgba(27,108,255,.4);
}

.topbar__actions {
    flex-shrink: 0;
}

.topbar__btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: .9rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,.3);
}
.topbar__btn:hover,
.topbar__btn.active {
    background: rgba(255,255,255,.2);
}
.topbar__btn.active {
    border-color: var(--color-fav);
    color: var(--color-fav);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.layout {
    display: flex;
    margin-top: var(--topbar-height);
    min-height: calc(100vh - var(--topbar-height));
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-white);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    z-index: 900;
    transition: transform var(--transition);
}

.sidebar__toggle {
    display: none;
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 1.2rem;
    color: var(--color-text-muted);
    z-index: 10;
}

.sidebar__nav {
    padding: 20px 0;
}

.sidebar__section {
    margin-bottom: 8px;
}

.sidebar__title {
    padding: 8px 20px;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--color-text-muted);
}

.sidebar__list {
    list-style: none;
}

.sidebar__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 20px;
    font-size: .9rem;
    color: var(--color-text);
    text-align: left;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.sidebar__item:hover {
    background: var(--color-bg);
}
.sidebar__item.active {
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-weight: 600;
    border-left-color: var(--color-accent);
}

.sidebar__item-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar__badge {
    margin-left: auto;
    background: var(--color-bg);
    color: var(--color-text-muted);
    font-size: .75rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}
.sidebar__item.active .sidebar__badge {
    background: var(--color-accent);
    color: var(--color-white);
}

.sidebar__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 4px 20px 16px;
}

/* ==========================================================================
   Main content
   ========================================================================== */

.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 28px 32px;
    min-width: 0;
}

.main__header {
    margin-bottom: 20px;
}

.main__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.main__subtitle {
    font-size: .9rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Active filters chips */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.active-filters:empty {
    display: none;
}
.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: 20px;
    font-size: .82rem;
    font-weight: 500;
}
.filter-chip__remove {
    font-size: 1rem;
    line-height: 1;
    color: var(--color-accent);
    opacity: .6;
    transition: var(--transition);
}
.filter-chip__remove:hover {
    opacity: 1;
}

/* ==========================================================================
   Cards grid
   ========================================================================== */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--color-border);
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.card.hidden {
    display: none;
}

.card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.card__univers {
    font-size: .78rem;
    font-weight: 600;
    color: var(--color-accent);
    background: var(--color-accent-light);
    padding: 3px 10px;
    border-radius: 20px;
}

.card__fav {
    font-size: 1.3rem;
    color: var(--color-border);
    transition: var(--transition);
    line-height: 1;
}
.card__fav:hover,
.card__fav.is-fav {
    color: var(--color-fav);
}
.card__fav.is-fav::after {
    content: '';
}

.card__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.card__produit {
    font-size: .82rem;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.card__preview {
    font-size: .85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    flex: 1;
    margin-bottom: 16px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.card__actions {
    display: flex;
    gap: 8px;
}

/* ==========================================================================
   Tags
   ========================================================================== */

.tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--color-bg);
    color: var(--color-text-muted);
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}
.tag:hover,
.tag.active {
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn--sm {
    padding: 6px 12px;
    font-size: .82rem;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-white);
}
.btn--primary:hover {
    background: #1559d6;
}

.btn--secondary {
    background: var(--color-accent-light);
    color: var(--color-accent);
}
.btn--secondary:hover {
    background: #d4e4fc;
}

.btn--outline {
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    background: var(--color-white);
}
.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ==========================================================================
   No results
   ========================================================================== */

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}
.no-results__icon {
    font-size: 3rem;
    margin-bottom: 16px;
}
.no-results h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s, visibility .25s;
    padding: 20px;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius);
    width: 100%;
    max-width: 700px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: transform .25s;
}
.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
}

.modal__close {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}
.modal__close:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.modal__meta {
    padding: 12px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 1px solid var(--color-border);
}

.modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
}

.modal__content {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Segoe UI', Roboto, sans-serif;
    font-size: .92rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    padding: 20px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.modal__footer {
    display: flex;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   Template detail page
   ========================================================================== */

.template-detail {
    max-width: 800px;
}

.template-detail__back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
    font-size: .9rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}
.template-detail__back:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.template-detail__header {
    margin-bottom: 24px;
}

.template-detail__title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.template-detail__meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.template-detail__univers,
.template-detail__produit {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: .85rem;
    font-weight: 500;
}
.template-detail__univers {
    background: var(--color-accent-light);
    color: var(--color-accent);
}
.template-detail__produit {
    background: var(--color-bg);
    color: var(--color-text-muted);
}

.template-detail__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.template-detail__content {
    margin-bottom: 24px;
}
.template-detail__content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Segoe UI', Roboto, sans-serif;
    font-size: .95rem;
    line-height: 1.7;
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}

.template-detail__actions {
    display: flex;
    gap: 12px;
}

/* ==========================================================================
   Toast notification
   ========================================================================== */

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 24px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .3s, transform .3s;
    z-index: 3000;
    pointer-events: none;
}
.toast.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar__toggle {
        display: block;
    }

    .main {
        margin-left: 0;
        padding: 20px 16px;
    }

    .topbar {
        padding: 0 12px;
        gap: 12px;
    }

    .topbar__logo-text {
        display: none;
    }

    .topbar__search {
        max-width: 100%;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        max-height: 95vh;
    }

    .modal__footer {
        flex-direction: column;
    }

    /* Bouton hamburger visible en mobile */
    .mobile-menu-btn {
        display: flex;
    }
}

/* Bouton hamburger pour mobile */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-white);
    font-size: 1.3rem;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
}

/* Highlight pour la recherche */
mark {
    background: rgba(27, 108, 255, .15);
    color: var(--color-accent);
    padding: 1px 2px;
    border-radius: 2px;
}

/* Animation d'entrée des cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp .3s ease both;
}
.card:nth-child(2) { animation-delay: .03s; }
.card:nth-child(3) { animation-delay: .06s; }
.card:nth-child(4) { animation-delay: .09s; }
.card:nth-child(5) { animation-delay: .12s; }
.card:nth-child(6) { animation-delay: .15s; }

/* ==========================================================================
   Admin — formulaires, table, login
   ========================================================================== */

.topbar__actions--end {
    margin-left: auto;
}

.topbar__link {
    text-decoration: none;
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,.35);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: .88rem;
    font-weight: 500;
}
.topbar__link:hover {
    background: rgba(255,255,255,.15);
    text-decoration: none;
}

.topbar__muted {
    color: rgba(255,255,255,.75);
    font-size: .9rem;
}

/* Sans sidebar : annule la marge prévue pour la colonne latérale */
.main.main--admin,
.main.main--admin-login {
    margin-left: 0;
    max-width: 1100px;
}

.main.main--admin-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--topbar-height) - 80px);
}

.admin-login {
    background: var(--color-white);
    padding: 36px 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--color-border);
}

.admin-login__title {
    font-size: 1.35rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.admin-login__subtitle {
    color: var(--color-text-muted);
    font-size: .9rem;
    margin-bottom: 20px;
}

.admin-login__error {
    background: #fef2f2;
    color: var(--color-danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: .88rem;
}

.admin-login__hint {
    margin-top: 20px;
    text-align: center;
    font-size: .88rem;
}

.admin-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.admin-table-wrap {
    background: var(--color-white);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}

.admin-table th,
.admin-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-primary);
}

.admin-table__actions {
    white-space: nowrap;
}
.admin-table__actions .btn {
    margin-right: 6px;
}

.admin-empty {
    padding: 24px;
    color: var(--color-text-muted);
    text-align: center;
}

.btn--danger {
    background: #fef2f2;
    color: var(--color-danger);
    border: 1px solid #fecaca;
}
.btn--danger:hover {
    background: #fee2e2;
}

.admin-form {
    max-width: 420px;
}

.admin-form--wide {
    max-width: 100%;
}

.admin-form__label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    margin-top: 14px;
}
.admin-form__label:first-of-type,
.admin-form > .admin-form__label:first-child {
    margin-top: 0;
}

.admin-form__input,
.admin-form__textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-family: inherit;
}

.admin-form__textarea {
    resize: vertical;
    min-height: 200px;
}

.admin-form__submit {
    width: 100%;
    margin-top: 20px;
}

.admin-form__actions {
    margin-top: 20px;
}