/* ========================================== */
/* 💎 MÓDULO DE INVENTARIO PREMIUM            */
/* ========================================== */

.inv-tabs {
    display: flex;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 25px 0 25px;
    gap: 12px;
    overflow-x: auto;
}

.inv-tab {
    background: transparent;
    border: none;
    padding: 12px 20px;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 12px 12px 0 0;
    white-space: nowrap;
}

.inv-tab:hover {
    color: #0284c7;
    background: rgba(14, 165, 233, 0.06);
}

.inv-tab.active {
    color: #0284c7;
    background: var(--bg-color);
    box-shadow: inset 0 3px 0 #0284c7;
}

body.dark-theme .inv-tab.active,
body.dark-theme .inv-tab:hover {
    color: #38bdf8;
}

.inv-body-wrapper {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: var(--bg-color);
}

.inv-tab-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 25px;
    overflow-y: auto;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.inv-tab-content.hidden {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    z-index: -1;
}

.inv-cart-grid {
    display: flex;
    gap: 30px;
    height: 100%;
}

.inv-cart-form {
    flex: 1;
    overflow-y: auto;
    padding-right: 5px;
}

.inv-cart-summary {
    flex: 0 0 340px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    height: fit-content;
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    overflow: visible !important;
}

.inv-cart-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
    padding-top: 12px;
    padding-right: 12px;
}

.inv-cart-row {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.inv-cart-row .remove-item {
    position: absolute;
    top: -12px;
    right: -12px;
    background: var(--bg-color);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.inv-cart-row .remove-item:hover {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border-color: #ef4444;
}

.inv-cart-row label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.inv-cart-row input {
    background: var(--surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 15px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.btn-outline-dashed {
    background: transparent;
    border: 2px dashed var(--border-color);
    color: var(--text-muted);
    padding: 16px;
    border-radius: 14px;
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
    width: 100%;
}

.btn-outline-dashed:hover {
    border-color: #0284c7;
    color: #0284c7;
}

.inv-total-box {
    background: var(--surface-subtle);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
}

.inv-total-box span {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.inv-total-box strong {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-main);
}

/* TABLAS */
.inv-table-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.inv-table-wrapper table {
    width: 100%;
    border-collapse: collapse;
}

.inv-table-wrapper th {
    background: var(--surface-subtle);
    padding: 15px 20px;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.inv-table-wrapper td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

.inv-table-wrapper tr:last-child td {
    border-bottom: none;
}

/* DROPDOWNS INVENTARIO */
.inv-dd {
    position: relative;
    width: 100%;
    user-select: none;
    margin-top: 5px;
}

.inv-dd-sel {
    background: var(--surface-subtle);
    border: 1px solid var(--border-color);
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.inv-dd-opts {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-top: 5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    z-index: 999999;
    display: none;
    overflow: hidden;
}

.inv-dd.open .inv-dd-opts {
    display: block;
}

.inv-dd-opt {
    padding: 12px 15px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
}

.inv-dd-opt:last-child {
    border-bottom: none;
}

.inv-dd-opt:hover {
    background: var(--surface-subtle);
    color: #0284c7;
}

@media (max-width: 900px) {
    #modal-inventario-overlay {
        padding: 12px !important;
    }

    #modal-inventario-overlay .custom-modal-box {
        width: 100% !important;
        max-width: 100% !important;
        height: 94vh !important;
        max-height: 94vh !important;
        border-radius: 20px !important;
    }

    .inv-tabs {
        padding: 10px 6px 0 6px !important;
        gap: 4px !important;
        overflow-x: hidden !important;
    }

    .inv-tab {
        flex: 1 1 0% !important;
        width: 33.33% !important;
        padding: 10px 2px !important;
        font-size: 0.72rem !important;
        text-align: center !important;
        white-space: normal !important;
    }

    .inv-tab-content {
        padding: 15px !important;
    }

    .inv-table-wrapper {
        background: transparent !important;
        border: none !important;
    }

    .inv-table-wrapper thead {
        display: none !important;
    }

    .inv-table-wrapper tbody {
        display: flex !important;
        flex-direction: column !important;
        gap: 14px !important;
    }

    #inv-stock-body tr {
        display: grid !important;
        grid-template-columns: 1fr 1fr auto !important;
        gap: 12px !important;
        background: var(--card-bg) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 16px !important;
        padding: 16px !important;
        align-items: center !important;
    }

    #inv-stock-body td {
        border: none !important;
        padding: 0 !important;
    }

    #inv-stock-body td:nth-child(1) {
        grid-column: span 3 !important;
        border-bottom: 1px dashed var(--border-color) !important;
        padding-bottom: 12px !important;
    }

    #inv-historial-body tr {
        display: grid !important;
        grid-template-columns: 1fr auto !important;
        gap: 10px !important;
        background: var(--card-bg) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 16px !important;
        padding: 16px !important;
    }

    #inv-historial-body td {
        border: none !important;
        padding: 0 !important;
    }

    #inv-historial-body td:nth-child(2) {
        grid-column: span 2 !important;
        padding: 8px 0 !important;
        border-top: 1px dashed var(--border-color) !important;
        border-bottom: 1px dashed var(--border-color) !important;
    }

    .inv-cart-grid {
        flex-direction: column !important;
        gap: 20px !important;
    }

    .inv-cart-form {
        max-height: 42vh !important;
    }

    .inv-cart-summary {
        width: 100% !important;
        position: static !important;
    }
}