:root {
    --vet-azul: #1565c0;
    --vet-azul-oscuro: #0d47a1;
    --vet-azul-claro: #e3f2fd;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f0f4f8;
    color: #263238;
    font-size: 14px;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

/* ── Header ── */
.app-header {
    background: linear-gradient(90deg, var(--vet-azul-oscuro), var(--vet-azul));
    padding: 13px 24px;
    box-shadow: 0 2px 6px rgba(0,0,0,.18);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.app-header .marca {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: .3px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Layout ── */
.app-body { display: flex; flex: 1 0 auto; overflow: hidden; }

.sidebar {
    width: 215px;
    flex-shrink: 0;
    background: #fff;
    border-right: 1px solid #dde3ec;
    padding: 14px 10px;
    overflow-y: auto;
}
.menu-lateral { display: flex; flex-direction: column; gap: 2px; }
.item-menu {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 12px;
    border-radius: 7px;
    color: #455a64;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: background .1s;
}
.item-menu i { width: 17px; text-align: center; color: var(--vet-azul); font-size: 13px; }
.item-menu:hover { background: var(--vet-azul-claro); color: var(--vet-azul-oscuro); }
.item-menu:hover i { color: var(--vet-azul-oscuro); }
.item-menu.activo { background: var(--vet-azul); color: #fff; }
.item-menu.activo i { color: #fff; }

.contenido { flex: 1; padding: 22px 26px; min-width: 0; overflow-y: auto; }

/* ── Footer ── */
.footer-vet {
    background: #fff;
    border-top: 1px solid #dde3ec;
    text-align: center;
    color: #90a4ae;
    padding: 9px;
    font-size: 12px;
    flex-shrink: 0;
}

/* ── Componentes generales ── */
.page-title {
    color: var(--vet-azul-oscuro);
    border-left: 4px solid var(--vet-azul);
    padding-left: 10px;
    margin-bottom: 16px;
    font-size: 1.1rem;
    font-weight: 600;
}
.card-vet {
    border: none !important;
    border-top: 3px solid var(--vet-azul) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,.07);
    border-radius: 10px !important;
}
.table thead { background: var(--vet-azul); color: #fff; }
.table thead th { font-size: 13px; font-weight: 600; padding: 10px 12px; }
.table tbody td { font-size: 13px; vertical-align: middle; }
.table-vet tbody tr:hover { background: var(--vet-azul-claro); }

.btn-vet { background: var(--vet-azul); color: #fff; font-size: 13px; }
.btn-vet:hover { background: var(--vet-azul-oscuro); color: #fff; }

.thumb {
    width: 44px; height: 44px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid #c5d8f5;
    box-shadow: 0 1px 3px rgba(0,0,0,.12);
}
.foto-preview {
    max-width: 130px; max-height: 130px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ccc;
}

/* ── INICIO: banner bienvenida ── */
.bienvenida-banner {
    background: linear-gradient(135deg, #e8f0fe, #f0f7ff);
    border: none !important;
    border-left: 4px solid var(--vet-azul) !important;
    border-radius: 10px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
    margin-bottom: 22px;
}
.icono-banner {
    width: 52px; height: 52px;
    background: var(--vet-azul);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.icono-banner i { color: #fff; font-size: 1.3rem; }

/* ── INICIO: grid de tarjetas mascota ── */
.mascotas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.card-mascota {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .15s, box-shadow .15s;
    border: 1px solid #e8edf3;
}
.card-mascota:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(0,0,0,.12); }
.card-mascota .foto-top {
    width: 100%; height: 150px;
    object-fit: cover;
    display: block;
}
.card-mascota .no-foto {
    width: 100%; height: 150px;
    background: #f0f4f8;
    display: flex; align-items: center; justify-content: center;
}
.card-mascota .info-body {
    padding: 10px 12px 8px;
    flex: 1;
}
.card-mascota .info-body h6 {
    margin: 0 0 3px;
    font-size: 14px;
    font-weight: 700;
    color: var(--vet-azul-oscuro);
}
.card-mascota .info-body p {
    margin: 0;
    font-size: 12px;
    color: #607d8b;
    line-height: 1.5;
}
.card-mascota .card-footer-btn {
    padding: 8px 12px;
    border-top: 1px solid #f0f0f0;
}

/* ── Modales ── */
.modal-header-vet { background: var(--vet-azul); color: #fff; }
.info-table th { color: #78909c; font-weight: 400; width: 105px; font-size: 13px; }
.info-table td { font-size: 13px; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .app-body { flex-direction: column; }
    .sidebar { width: 100%; border-right: none; border-bottom: 1px solid #dde3ec; padding: 8px; }
    .menu-lateral { flex-direction: row; flex-wrap: wrap; gap: 4px; }
    .item-menu { flex: 1 1 auto; justify-content: center; font-size: 12px; padding: 6px 8px; }
    .item-menu span { display: none; }
    .item-menu i { width: auto; font-size: 16px; }
    .contenido { padding: 14px; }
    .mascotas-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}