:root {
    --tsena-primary: #0f766e;
    --tsena-primary-dark: #115e59;
    --tsena-accent: #f59e0b;
    --tsena-ink: #1f2937;
    --tsena-muted: #6b7280;
    --tsena-bg: #f6f8f7;
    --tsena-surface: #ffffff;
    --tsena-border: #e5e7eb;
}

html,
body {
    min-height: 100%;
}


a {
    color: var(--tsena-primary);
}
a:hover {
    color: var(--tsena-primary-dark);
}

.btn-primary {
    background-color: var(--tsena-primary);
}
.btn-primary:hover {
    background-color: var(--tsena-primary-dark);
}
body.tsena-body {
    background: var(--tsena-bg);
    color: var(--tsena-ink);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.tsena-main {
    flex: 1 0 auto;
}

.tsena-navbar {
    background: var(--tsena-primary);
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.12);
}

.tsena-navbar .navbar-brand {
    font-weight: 700;
    letter-spacing: .01em;
}

.tsena-brand-logo {
    display: block;
    width: 2rem;
    height: 2rem;
    flex: 0 0 auto;
    border-radius: .55rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .16);
}

.tsena-hero {
    background: linear-gradient(135deg, var(--tsena-primary-dark), var(--tsena-primary) 55%, #0d9488);
    color: #ffffff;
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    box-shadow: 0 12px 30px rgba(15, 118, 110, 0.18);
}

.tsena-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: .75rem;
}

.tsena-eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .75rem;
    font-weight: 700;
    opacity: .85;
    margin-bottom: .75rem;
}

.tsena-hero-lead {
    max-width: 42rem;
    font-size: 1.05rem;
    opacity: .95;
    margin-bottom: 1.5rem;
}

.tsena-card {
    background: var(--tsena-surface);
    border: 1px solid var(--tsena-border);
    border-radius: .85rem;
    padding: 1.25rem;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

.tsena-card h2 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: .5rem;
}

.tsena-card p:last-child {
    margin-bottom: 0;
}

.tsena-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: .7rem;
    background: #ecfdf5;
    color: var(--tsena-primary);
    font-size: 1.25rem;
    margin-bottom: .85rem;
}

.tsena-footer {
    flex-shrink: 0;
    background: #ffffff;
    border-top: 1px solid var(--tsena-border);
    color: var(--tsena-muted);
    font-size: .875rem;
    padding: 1rem 0;
    margin-top: 2rem;
}

/* ------------------------------------------------------------------ */
/* Administration                                                      */
/* ------------------------------------------------------------------ */

body.tsena-admin-body {
    background: #f4f6f9;
    color: var(--tsena-ink);
    margin: 0;
}

.tsena-admin-shell {
    display: flex;
    min-height: 100vh;
}

.tsena-admin-sidebar {
    width: 240px;
    background: #1a2035;
    color: #c8d0e0;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.tsena-admin-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid #273050;
}

.tsena-admin-brand strong {
    display: block;
    color: #ffffff;
    font-size: 1rem;
    line-height: 1.1;
}

.tsena-admin-brand small {
    color: #7a8fb5;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.tsena-admin-nav {
    display: flex;
    flex-direction: column;
    padding: .75rem 0;
    gap: .15rem;
}

.tsena-admin-link {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .6rem 1.25rem;
    color: #a0aec0;
    text-decoration: none;
    font-size: .9rem;
    transition: background .15s, color .15s;
}

.tsena-admin-link:hover,
.tsena-admin-link.active {
    background: #273050;
    color: #ffffff;
}

.tsena-admin-sidebar-footer {
    margin-top: auto;
    padding: 1rem 1.25rem;
    border-top: 1px solid #273050;
    font-size: .85rem;
}

.tsena-admin-sidebar-footer a {
    color: #7a8fb5;
    text-decoration: none;
}

.tsena-admin-sidebar-footer a:hover {
    color: #ffffff;
}

.tsena-admin-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.tsena-admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: #ffffff;
    border-bottom: 1px solid var(--tsena-border);
    padding: .75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.tsena-admin-topbar h1 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
}

.tsena-admin-user {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .875rem;
    color: var(--tsena-muted);
}

.tsena-admin-user a {
    color: var(--tsena-muted);
    text-decoration: none;
}

.tsena-admin-user a:hover {
    color: #dc2626;
}

.tsena-admin-content {
    padding: 1.5rem;
}

@media (max-width: 767.98px) {
    .tsena-admin-shell {
        flex-direction: column;
    }

    .tsena-admin-sidebar {
        width: 100%;
    }

    .tsena-admin-nav {
        flex-direction: row;
        flex-wrap: wrap;
        padding: .5rem;
    }

    .tsena-admin-link {
        padding: .45rem .75rem;
    }

    .tsena-admin-topbar {
        padding: .75rem 1rem;
    }

    .tsena-admin-content {
        padding: 1rem;
    }

    .tsena-hero {
        padding: 1.75rem 1.25rem;
    }
}

.tsena-logo-preview {
    max-width: 140px;
    max-height: 140px;
    border-radius: .75rem;
    border: 1px solid var(--tsena-border);
    background: #ffffff;
    object-fit: contain;
    padding: .25rem;
}

.tsena-thumb,
.tsena-thumb-placeholder {
    width: 56px;
    height: 56px;
    border-radius: .5rem;
    border: 1px solid var(--tsena-border);
    background: #f9fafb;
    object-fit: cover;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--tsena-muted);
    font-size: 1.25rem;
}

.tsena-image-tile {
    position: relative;
    border: 1px solid var(--tsena-border);
    border-radius: .6rem;
    overflow: hidden;
    background: #ffffff;
    aspect-ratio: 4 / 3;
}

.tsena-image-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.tsena-image-badge {
    position: absolute;
    top: .4rem;
    left: .4rem;
}

.tsena-image-actions {
    position: absolute;
    right: .35rem;
    bottom: .35rem;
    display: flex;
    gap: .25rem;
}

.tsena-preview-placeholder {
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tsena-muted);
    font-size: 3rem;
    border: 1px dashed var(--tsena-border);
    border-radius: .6rem;
    background: #f9fafb;
}

/* Catalogue */
.tsena-product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #ffffff;
    border: 1px solid var(--tsena-border);
    border-radius: .8rem;
    overflow: hidden;
    color: inherit;
    text-decoration: none;
    transition: transform .15s ease, box-shadow .15s ease;
}

.tsena-product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, .10);
    color: inherit;
}

.tsena-product-media {
    aspect-ratio: 4 / 3;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.tsena-product-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.tsena-product-placeholder {
    color: var(--tsena-muted);
    font-size: 2rem;
}

.tsena-product-body {
    padding: .85rem .95rem 1rem;
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

.tsena-product-price {
    color: var(--tsena-primary);
    font-weight: 800;
    font-size: 1.1rem;
}

.tsena-product-title {
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tsena-product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem 1rem;
    color: var(--tsena-muted);
    font-size: .78rem;
}

.tsena-category-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    height: 100%;
    min-height: 116px;
    padding: .9rem .5rem;
    background: #ffffff;
    border: 1px solid var(--tsena-border);
    border-radius: .75rem;
    color: var(--tsena-ink);
    text-decoration: none;
    text-align: center;
    transition: border-color .15s, box-shadow .15s;
}

.tsena-category-tile:hover {
    border-color: var(--tsena-primary);
    box-shadow: 0 6px 16px rgba(15, 118, 110, .10);
    color: var(--tsena-primary);
}

.tsena-category-tile i {
    font-size: 1.6rem;
    color: var(--tsena-primary);
}

.tsena-category-tile span {
    font-weight: 600;
    font-size: .9rem;
}

.tsena-category-tile small {
    color: var(--tsena-muted);
    font-size: .72rem;
}

.tsena-category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tsena-category-list > li {
    margin-bottom: .55rem;
}

.tsena-category-list a {
    color: var(--tsena-ink);
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
}

.tsena-category-list a:hover {
    color: var(--tsena-primary);
}

.tsena-category-list ul {
    list-style: none;
    padding-left: 1.1rem;
    margin: .35rem 0 0;
}

.tsena-category-list ul a {
    font-weight: 400;
    color: var(--tsena-muted);
    font-size: .85rem;
}

.tsena-main-image {
    max-height: 520px;
    object-fit: contain;
    background: #f9fafb;
}

.tsena-shop-logo,
.tsena-shop-logo-placeholder {
    width: 96px;
    height: 96px;
    border-radius: .85rem;
    border: 1px solid var(--tsena-border);
    object-fit: contain;
    background: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--tsena-primary);
    font-size: 2rem;
}

/* Messagerie */
.tsena-chat {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    max-height: 62vh;
    overflow-y: auto;
    padding: .25rem;
}

.tsena-chat-row {
    display: flex;
}

.tsena-chat-row.mine {
    justify-content: flex-end;
}

.tsena-chat-bubble {
    max-width: min(78%, 620px);
    background: #f3f4f6;
    border: 1px solid var(--tsena-border);
    border-radius: .8rem;
    padding: .6rem .8rem;
}

.tsena-chat-row.mine .tsena-chat-bubble {
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.tsena-chat-text {
    white-space: normal;
    overflow-wrap: anywhere;
}

.tsena-chat-meta {
    margin-top: .3rem;
    font-size: .72rem;
    color: var(--tsena-muted);
    text-align: right;
}

/* Sélecteur de langue */
.tsena-lang-switcher {
    gap: .3rem;
}

.tsena-lang-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .15rem;
    border-radius: .3rem;
    opacity: .72;
    transition: opacity .15s ease, transform .15s ease, box-shadow .15s ease;
}

.tsena-lang-link:hover,
.tsena-lang-link.active {
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, .45);
}

.tsena-lang-flag {
    display: block;
    width: 24px;
    height: 16px;
    border-radius: 2px;
    object-fit: cover;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .35);
}