/* ================================================================
   SIGMA FOOD ERP - ADAPTIVE DUAL LAYOUT ENGINE (MOBILE & DESKTOP)
   WITH DYNAMIC PINNING / FAVORITING CAPABILITY
   ================================================================ */

/* --- Layout Switcher & Pin Buttons in Topbar --- */
.sigma-topbar-controls {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.sigma-layout-toggle,
.sigma-pin-customizer-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 9999px;
    padding: 0.35rem 0.85rem;
    cursor: pointer;
    font-family: 'Cairo', sans-serif;
    font-size: 0.825rem;
    font-weight: 700;
    color: #e2e8f0;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    user-select: none;
}

.sigma-pin-customizer-btn {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.sigma-layout-toggle:hover,
.sigma-pin-customizer-btn:hover {
    background: rgba(51, 65, 85, 0.9);
    border-color: #f59e0b;
    color: #ffffff;
    transform: translateY(-1px);
}

.sigma-layout-toggle .toggle-icon {
    font-size: 1rem;
}

.sigma-layout-toggle .toggle-badge {
    background: #f59e0b;
    color: #0f172a;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.1rem 0.45rem;
    border-radius: 9999px;
}

/* --- Mobile Bottom Navigation Bar --- */
.sigma-mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 99999;
    padding: 0.25rem 0.5rem;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.5);
    direction: rtl;
    font-family: 'Cairo', sans-serif;
}

.sigma-mobile-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.725rem;
    font-weight: 700;
    padding: 0.35rem 0.5rem;
    border-radius: 0.75rem;
    transition: all 0.2s ease-in-out;
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sigma-mobile-bottom-nav .nav-item .nav-icon {
    font-size: 1.25rem;
    line-height: 1;
    transition: transform 0.2s ease;
}

.sigma-mobile-bottom-nav .nav-item:hover,
.sigma-mobile-bottom-nav .nav-item.active {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
}

.sigma-mobile-bottom-nav .nav-item.active .nav-icon {
    transform: scale(1.15);
}

/* Modal for Customizing Mobile Pinned Items */
.sigma-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    direction: rtl;
    font-family: 'Cairo', sans-serif;
}

.sigma-modal-content {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 1.25rem;
    width: 100%;
    max-width: 540px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    padding: 1.5rem;
    color: #f8fafc;
}

.sigma-pin-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sigma-pin-item-row:hover {
    background: rgba(51, 65, 85, 0.7);
    border-color: rgba(245, 158, 11, 0.4);
}

.sigma-pin-item-row.is-pinned {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
}

.sigma-pin-item-row .pin-btn {
    font-size: 1.25rem;
    transition: transform 0.2s ease;
}

.sigma-pin-item-row:hover .pin-btn {
    transform: scale(1.2);
}

/* ================================================================
   MOBILE MODE ACTIVE STYLES (.layout-mobile-mode)
   ================================================================ */
body.layout-mobile-mode {
    padding-bottom: 75px !important;
}

body.layout-mobile-mode .sigma-mobile-bottom-nav {
    display: flex !important;
}

/* Mobile Touch Optimization & Forms */
body.layout-mobile-mode .fi-main {
    padding: 0.75rem !important;
}

body.layout-mobile-mode input,
body.layout-mobile-mode select,
body.layout-mobile-mode textarea,
body.layout-mobile-mode .fi-btn {
    min-height: 44px !important;
    font-size: 0.95rem !important;
    border-radius: 0.6rem !important;
}

/* Automatic Activation on Screens Under 768px */
@media (max-width: 768px) {
    body:not(.force-desktop-mode) {
        padding-bottom: 75px !important;
    }
    body:not(.force-desktop-mode) .sigma-mobile-bottom-nav {
        display: flex !important;
    }
}