/* Inventario 2026 - Estilos */
:root {
    --primary: #1e3a5f;
    --primary-light: #2d5a8a;
    --accent: #e8b923;
    --success: #2e7d32;
    --danger: #c62828;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-600: #6c757d;
    --gray-800: #343a40;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--gray-100); color: var(--gray-800); line-height: 1.5; min-height: 100vh; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1rem; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); }
.login-box { background: #fff; padding: 2rem; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.15); width: 100%; max-width: 380px; }
.login-box h1 { color: var(--primary); margin-bottom: 1.5rem; font-size: 1.5rem; text-align: center; }
.login-logo { display:flex; flex-direction:column; align-items:center; gap:0.5rem; margin-bottom:1.5rem; }
.login-logo img { height:32px; width:auto; }
.login-logo span { color: var(--primary); font-weight:700; font-size:1.3rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; font-weight: 600; font-size: 0.9rem; }
.form-group input { width: 100%; padding: 0.65rem 0.9rem; border: 1px solid var(--gray-200); border-radius: 8px; font-size: 1rem; }
.form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,95,0.15); }
.form-group select { width: 100%; padding: 0.65rem 0.9rem; border: 1px solid var(--gray-200); border-radius: 8px; font-size: 1rem; background: #fff; }
.form-group select:focus { outline: none; border-color: var(--primary); }
.form-group textarea { width: 100%; padding: 0.65rem 0.9rem; border: 1px solid var(--gray-200); border-radius: 8px; font-size: 1rem; font-family: inherit; }
.btn { display: inline-block; padding: 0.65rem 1.25rem; border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none; text-align: center; transition: background 0.2s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-block { width: 100%; }
.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-danger { background: #ffebee; color: var(--danger); border: 1px solid #ffcdd2; }
.alert-success { background: #e8f5e9; color: var(--success); border: 1px solid #a5d6a7; }

/* Layout */
.navbar { background: var(--primary); color: #fff; padding: 0.75rem 1.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.navbar-brand { font-weight: 700; font-size: 1.2rem; color: #fff; text-decoration: none; display:flex; align-items:center; gap:0.5rem; }
.navbar-logo { height: 18px; width:auto; display:inline-block; }
.navbar-nav { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.navbar-nav a { color: rgba(255,255,255,0.9); text-decoration: none; padding: 0.4rem 0.8rem; border-radius: 6px; font-size: 0.95rem; }
.navbar-nav a:hover { background: rgba(255,255,255,0.15); color: #fff; }
.navbar-nav .active { background: rgba(255,255,255,0.2); color: #fff; }
.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

/* Cards y tablas */
.card { background: #fff; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); overflow: hidden; margin-bottom: 1.5rem; }
.card-header { background: var(--gray-100); padding: 1rem 1.25rem; font-weight: 600; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; }
.card-body { padding: 1.25rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--gray-200); }
th { background: var(--gray-100); font-weight: 600; font-size: 0.85rem; color: var(--gray-800); }
tr:hover { background: var(--gray-100); }
.actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.85rem; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b71c1c; filter: brightness(1.05); }
.btn-secondary { background: var(--gray-600); color: #fff; }
.btn-secondary:hover { background: #5a6268; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #1b5e20; filter: brightness(1.05); }

/* Formularios */
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.form-horizontal .form-group { margin-bottom: 1rem; }
.img-thumb { max-width: 80px; max-height: 80px; border-radius: 8px; object-fit: cover; border: 1px solid var(--gray-200); display: block; }
.img-thumb.zoomable { cursor: zoom-in; transition: transform 0.18s ease, box-shadow 0.18s ease; }
.table-wrap td { position: relative; overflow: visible; }
.table-wrap .img-thumb.zoomable:hover {
    transform: scale(3);
    z-index: 20;
    position: absolute;
    top: 50%;
    left: 0;
    transform-origin: left center;
    box-shadow: 0 6px 20px rgba(0,0,0,0.35);
    background: #fff;
}
.badge { display: inline-block; padding: 0.25rem 0.6rem; border-radius: 6px; font-size: 0.8rem; font-weight: 600; }
.badge-entrada { background: #e8f5e9; color: var(--success); }
.badge-salida { background: #ffebee; color: var(--danger); }
.badge-admin { background: var(--primary); color: #fff; }
.badge-usuario { background: var(--gray-600); color: #fff; }

/* Utilidades */
.mt-2 { margin-top: 0.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.text-muted { color: var(--gray-600); font-size: 0.9rem; }
.stock-zero { color: var(--danger); font-weight: 700; }

/* Searchable select */
.searchable-select { position: relative; width: 100%; }
.searchable-select .ss-input-wrap { position: relative; display: flex; align-items: center; border: 1px solid var(--gray-200); border-radius: 8px; background: #fff; }
.searchable-select .ss-input { flex: 1; padding: 0.65rem 0.9rem; border: none; background: transparent; font-size: 1rem; border-radius: 8px; }
.searchable-select .ss-input:focus { outline: none; }
.searchable-select .ss-input::placeholder { color: var(--gray-600); }
.searchable-select.focused .ss-input-wrap { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,95,0.15); }
.searchable-select .ss-arrow { padding: 0 0.6rem; color: var(--gray-600); pointer-events: none; user-select: none; }
.searchable-select .ss-dropdown { position: absolute; top: 100%; left: 0; right: 0; max-height: 220px; overflow-y: auto; margin-top: 2px; background: #fff; border: 1px solid var(--gray-200); border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); z-index: 100; display: none; }
.searchable-select.open .ss-dropdown { display: block; }
.searchable-select .ss-option { padding: 0.5rem 0.9rem; cursor: pointer; font-size: 0.95rem; }
.searchable-select .ss-option:hover { background: var(--gray-100); }
.searchable-select .ss-option.selected { background: rgba(30,58,95,0.1); color: var(--primary); font-weight: 600; }
.searchable-select .ss-option.hidden { display: none !important; }
.searchable-select .ss-empty { padding: 0.75rem 0.9rem; color: var(--gray-600); font-size: 0.9rem; }
.searchable-select .ss-empty.hidden { display: none !important; }