/* ============================================================
   JAGUA MASCOTAS — Estilos globales
   Paleta: marrón cálido del logo
   ============================================================ */
:root {
    --primary:        #7B5C5C;
    --primary-dark:   #5A3F3F;
    --primary-light:  #A68080;
    --primary-xlight: #F0E8E8;
    --sidebar-bg:     #3D2B2B;
    --sidebar-text:   #F5EDE8;
    --sidebar-hover:  #5A3F3F;
    --sidebar-active: #7B5C5C;
    --bg:             #FAF7F5;
    --card-bg:        #FFFFFF;
    --border:         #E0D4D4;
    --text:           #3A2E2E;
    --text-muted:     #8A7070;
    --success:        #5A8A5A;
    --success-light:  #EAF4EA;
    --danger:         #8A3A3A;
    --danger-light:   #F4EAEA;
    --warning:        #8A7030;
    --warning-light:  #F4F0E0;
    --info:           #3A6A8A;
    --info-light:     #E0EDF4;
    --shadow:         0 2px 8px rgba(61,43,43,.10);
    --shadow-md:      0 4px 16px rgba(61,43,43,.14);
    --radius:         8px;
    --sidebar-w:      240px;
    --topbar-h:       60px;
    --transition:     .2s ease;
}

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

html, body {
    height: 100%;
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ============================================================
   LOGIN
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3D2B2B 0%, #7B5C5C 100%);
}

.login-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.login-card .logo {
    width: 160px;
    margin-bottom: 28px;
}

.login-card h1 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 28px;
    font-weight: 600;
}

/* ============================================================
   LAYOUT ADMIN
   ============================================================ */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-logo {
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.sidebar-logo img {
    width: 130px;
}

.sidebar-user {
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    font-size: .82rem;
    color: rgba(245,237,232,.7);
}
.sidebar-user strong { color: var(--sidebar-text); display: block; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: rgba(245,237,232,.8);
    font-size: .88rem;
    transition: background var(--transition), color var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text);
}

.sidebar-nav a.active {
    background: var(--sidebar-active);
    color: #fff;
    border-left-color: var(--primary-light);
    font-weight: 600;
}

.sidebar-nav .nav-section {
    padding: 14px 20px 4px;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(245,237,232,.35);
}

.sidebar-nav .icon { width: 18px; text-align: center; font-size: 1rem; }

.sidebar-footer {
    padding: 14px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(245,237,232,.6);
    font-size: .85rem;
    transition: color var(--transition);
}
.sidebar-footer a:hover { color: var(--danger-light); }

/* MAIN */
.main-wrap {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* TOPBAR */
.topbar {
    height: var(--topbar-h);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 4px rgba(61,43,43,.07);
}

.topbar-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary-dark);
    flex: 1;
}

.topbar-badge {
    background: var(--primary-xlight);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 600;
}

/* CONTENT */
.content {
    flex: 1;
    padding: 28px 28px 40px;
}

/* ============================================================
   CARDS / STATS
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px 22px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    border-left: 4px solid var(--primary);
}

.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.danger  { border-left-color: var(--danger);  }
.stat-card.info    { border-left-color: var(--info);    }

.stat-icon {
    font-size: 1.8rem;
    width: 48px;
    text-align: center;
}

.stat-body { flex: 1; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--primary-dark); }
.stat-label { font-size: .78rem; color: var(--text-muted); margin-top: 2px; }

/* ============================================================
   TABLA
   ============================================================ */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    flex: 1;
}

.card-body { padding: 20px; }

.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .87rem;
}

thead th {
    background: var(--primary-xlight);
    color: var(--primary-dark);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

tbody tr { transition: background var(--transition); }
tbody tr:hover { background: #fdf9f9; }
tbody tr:nth-child(even) { background: #fdf6f4; }
tbody tr:nth-child(even):hover { background: #f8f0ee; }

tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.td-img img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.td-img .no-img {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    background: var(--primary-xlight);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary-light);
}

/* ============================================================
   BADGES / PILLS
   ============================================================ */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: .75rem;
    font-weight: 600;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger  { background: var(--danger-light);  color: var(--danger);  }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-info    { background: var(--info-light);    color: var(--info);    }
.badge-primary { background: var(--primary-xlight); color: var(--primary-dark); }

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: .87rem;
    font-weight: 600;
    transition: background var(--transition), transform .1s;
    white-space: nowrap;
    text-decoration: none;
}
.btn:active { transform: scale(.97); }

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-secondary {
    background: var(--primary-xlight);
    color: var(--primary-dark);
}
.btn-secondary:hover { background: var(--border); }

.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover { background: #3d6b3d; color: #fff; }

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #6b2a2a; color: #fff; }

.btn-warning {
    background: var(--warning);
    color: #fff;
}
.btn-warning:hover { background: #6b5520; color: #fff; }

.btn-sm {
    padding: 5px 10px;
    font-size: .8rem;
    border-radius: 6px;
}

.btn-icon {
    padding: 6px 8px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid var(--border);
    cursor: pointer;
    font-size: .95rem;
    transition: background var(--transition);
}
.btn-icon:hover { background: var(--primary-xlight); }

/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full { grid-column: 1 / -1; }

label {
    font-weight: 600;
    font-size: .83rem;
    color: var(--primary-dark);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: .9rem;
    color: var(--text);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
    font-family: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(123,92,92,.12);
}

textarea { resize: vertical; min-height: 90px; }

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.search-bar {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

/* ============================================================
   ALERTAS FLASH
   ============================================================ */
.alert {
    padding: 12px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: .9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid;
}
.alert-success { background: var(--success-light); color: var(--success); border-color: var(--success); }
.alert-danger   { background: var(--danger-light);  color: var(--danger);  border-color: var(--danger);  }
.alert-warning  { background: var(--warning-light); color: var(--warning); border-color: var(--warning); }
.alert-info     { background: var(--info-light);    color: var(--info);    border-color: var(--info);    }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 500;
    align-items: center;
    justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    max-width: 480px;
    width: 90%;
    box-shadow: var(--shadow-md);
}
.modal h3 { color: var(--primary-dark); margin-bottom: 12px; }
.modal p  { color: var(--text-muted); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ============================================================
   IMAGEN UPLOAD
   ============================================================ */
.img-upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    color: var(--text-muted);
    font-size: .9rem;
}
.img-upload-zone:hover {
    border-color: var(--primary-light);
    background: var(--primary-xlight);
}

.img-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.img-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg);
    position: relative;
}
.img-card.principal { border-color: var(--primary); border-width: 2px; }

.img-card img {
    width: 100%;
    height: 110px;
    object-fit: cover;
    display: block;
}

.img-card-actions {
    padding: 6px;
    display: flex;
    gap: 4px;
    justify-content: center;
    flex-wrap: wrap;
    background: #fff;
}

.img-badge-principal {
    position: absolute;
    top: 6px; left: 6px;
    background: var(--primary);
    color: #fff;
    font-size: .65rem;
    padding: 2px 6px;
    border-radius: 8px;
    font-weight: 700;
}

/* ============================================================
   VENTAS / POS
   ============================================================ */
.pos-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
    align-items: start;
}

.pos-panel {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.pos-panel-header {
    padding: 14px 18px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
}

.pos-panel-body { padding: 18px; }

.articulo-info-box {
    background: var(--primary-xlight);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-top: 10px;
    display: none;
}
.articulo-info-box.visible { display: block; }
.articulo-info-box .precio { font-size: 1.4rem; font-weight: 700; color: var(--primary-dark); }
.articulo-info-box .stock-disp { font-size: .85rem; color: var(--text-muted); }

.total-box {
    background: var(--primary-dark);
    color: #fff;
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    margin-top: 12px;
}
.total-box .label { font-size: .8rem; opacity: .8; }
.total-box .monto { font-size: 2rem; font-weight: 700; margin-top: 4px; }

/* ============================================================
   CAJA
   ============================================================ */
.caja-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-weight: 600;
}
.caja-status.abierta  { background: var(--success-light); color: var(--success); }
.caja-status.cerrada  { background: var(--danger-light);  color: var(--danger);  }
.caja-status .dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: currentColor;
}

/* ============================================================
   STOCK BAJO INDICATOR
   ============================================================ */
.stock-low { color: var(--danger); font-weight: 700; }
.stock-ok  { color: var(--success); }

/* ============================================================
   MISCELÁNEOS
   ============================================================ */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.flex  { display: flex; }
.gap-8 { gap: 8px; }
.gap-12{ gap: 12px; }
.align-center { align-items: center; }

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}
.empty-state .icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { margin-top: 6px; }