:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #ccfbf1;
    --secondary: #0284c7;
    --dark-bg: #0f172a;
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --sidebar-active: #0d9488;
    --content-bg: #f8fafc;
    --card-border: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--content-bg);
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
    margin: 0;
}

/* ========================================================
   TOP TITLE BAR & FULL-WIDTH APPLICATION LAYOUT
   ======================================================== */
#wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    position: relative;
    background-color: var(--content-bg);
}

/* 1. Sleek Top Title Bar (All Navigation in Title Bar) */
.top-titlebar {
    background: #0f172a; /* Deep Slate Dark Header */
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
    position: sticky;
    top: 0;
    z-index: 1050;
    width: 100%;
    flex-shrink: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.top-titlebar .brand-logo-badge {
    width: 38px;
    height: 38px;
    background: rgba(13, 148, 136, 0.18);
    border: 1px solid rgba(45, 212, 191, 0.4);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.top-titlebar .brand-title {
    letter-spacing: -0.3px;
}

/* Title Bar Navigation Buttons & Links */
.titlebar-nav-links {
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.top-titlebar .nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 12px;
    border-radius: 9px;
    color: #cbd5e1;
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    background: transparent;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
}

.top-titlebar .nav-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.12);
}

.top-titlebar .nav-btn.active {
    background: #0d9488;
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(13, 148, 136, 0.45);
}

.top-titlebar .nav-btn.nav-btn-pos {
    background: rgba(13, 148, 136, 0.25);
    border: 1px solid rgba(45, 212, 191, 0.45);
    color: #ffffff;
    font-weight: 700;
}

.top-titlebar .nav-btn.nav-btn-pos:hover {
    background: #0d9488;
    color: #ffffff;
}

/* Hover / Cursor Touch Dropdown for Title Bar Navigation */
@media (min-width: 768px) {
    .titlebar-dropdown-hover {
        position: relative;
    }
    .titlebar-dropdown-hover:hover > .dropdown-menu {
        display: block !important;
        margin-top: 2px !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
        pointer-events: auto !important;
        animation: titlebarDropdownFadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    .titlebar-dropdown-hover > .dropdown-toggle::after {
        transition: transform 0.2s ease;
    }
    .titlebar-dropdown-hover:hover > .dropdown-toggle::after {
        transform: rotate(180deg);
    }
}

@keyframes titlebarDropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.top-titlebar.nav-collapsed .titlebar-nav-links {
    display: none !important;
}

.top-titlebar.nav-collapsed {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* 2. Independent Full-Width Content Container */
#content {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 54px);
    overflow-y: auto;
    overflow-x: hidden;
    background-color: var(--content-bg);
}

.main-body {
    padding: 22px 28px;
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

/* Full-Screen View Mode (Hides secondary toolbar for ultra-wide screen) */
body.full-page-mode .desktop-erp-toolbar {
    display: none !important;
}
body.full-page-mode #content {
    height: calc(100vh - 52px) !important;
}

body.mobile-preview-mode {
    background-color: #0b1120 !important;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 15px 0;
}
body.mobile-preview-mode #wrapper {
    max-width: 440px !important;
    width: 440px !important;
    height: 94vh !important;
    max-height: 890px !important;
    border-radius: 36px !important;
    border: 10px solid #1e293b !important;
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 0 2px rgba(45, 212, 191, 0.5) !important;
    overflow: hidden !important;
    position: relative;
    background: #f8fafc;
}

.main-body > * {
    max-width: 1680px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    box-sizing: border-box;
}

/* Custom Scrollbar for Main Content */
.main-body::-webkit-scrollbar {
    width: 7px;
}
.main-body::-webkit-scrollbar-track {
    background: #f1f5f9;
}
.main-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
.main-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Cards & Stats */
.card-stat {
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: #fff;
    padding: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card-stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.stat-sales { background: #e0f2fe; color: #0284c7; }
.stat-purchase { background: #fef3c7; color: #d97706; }
.stat-medicine { background: #ccfbf1; color: #0f766e; }
.stat-customers { background: #f3e8ff; color: #7e22ce; }
.stat-alert { background: #fee2e2; color: #b91c1c; }

/* POS Terminal Layout */
.pos-container {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 20px;
    height: 100%;
}

.pos-products-pane {
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pos-cart-pane {
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pos-cart-table {
    flex-grow: 1;
    overflow-y: auto;
}

.pos-summary {
    background: #f8fafc;
    border-top: 1px solid var(--card-border);
    padding: 16px;
}

.pos-product-item {
    cursor: pointer;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px;
    transition: all 0.15s ease-in-out;
    background: #fff;
}

.pos-product-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(13,148,136,0.15);
    transform: translateY(-2px);
}

/* Online/Offline Status Indicator */
.sync-badge-online {
    background: #dcfce7;
    color: #15803d;
    border: 1px solid #86efac;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Floating AI Assistant Pulsing Glow Animation */
#floatingAiTriggerBtn {
    box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.7);
    animation: floatingAiPulse 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

#floatingAiTriggerBtn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.8) !important;
}

@keyframes floatingAiPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.7);
    }
    70% {
        box-shadow: 0 0 0 16px rgba(13, 148, 136, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(13, 148, 136, 0);
    }
}

.sync-badge-offline {
    background: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* Tables */
.table-custom {
    width: 100% !important;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-custom th {
    background: #f8fafc;
    font-weight: 600;
    color: #475569;
    border-bottom: 2px solid #e2e8f0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Barcode Label Sheet */
.label-sheet {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.barcode-sticker {
    border: 1px dashed #cbd5e1;
    border-radius: 6px;
    padding: 10px;
    text-align: center;
    background: #fff;
}

/* Thermal Receipt Styling */
.thermal-receipt {
    width: 80mm;
    margin: 0 auto;
    background: #fff;
    padding: 15px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
    color: #000;
}

@media print {
    /* Hide all layout sidebars, topbars, buttons, alerts */
    #sidebar,
    .topbar,
    .sidebar-footer,
    #sidebarCollapseBtn,
    .no-print,
    button,
    .btn,
    .btn-group,
    .modal,
    .modal-backdrop,
    .dropdown-menu,
    .toast-container,
    #btnToggleAlarmSound,
    #mobilePreviewBtn,
    #fullPageViewBtn,
    .sync-badge-status {
        display: none !important;
        visibility: hidden !important;
    }

    body, html, #wrapper, #content, .main-body, .container-fluid, .report-printable-area {
        visibility: visible !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        position: static !important;
        overflow: visible !important;
        background: #ffffff !important;
        color: #000000 !important;
        box-shadow: none !important;
    }

    .card, .table-responsive {
        border: none !important;
        box-shadow: none !important;
        overflow: visible !important;
        width: 100% !important;
    }

    table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin-top: 10px !important;
    }

    th, td {
        border: 1px solid #cbd5e1 !important;
        padding: 6px 8px !important;
        font-size: 11px !important;
        color: #0f172a !important;
    }

    th {
        background-color: #f1f5f9 !important;
        font-weight: 700 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .badge {
        border: 1px solid #94a3b8 !important;
        color: #0f172a !important;
        background: transparent !important;
    }

    .text-success {
        color: #15803d !important;
    }

    .text-danger {
        color: #b91c1c !important;
    }

    .text-primary {
        color: #0369a1 !important;
    }
}

/* Expand App & Full Window Controls */
.btn-outline-teal {
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline-teal:hover {
    background-color: var(--primary);
    color: #fff;
}

#expandAppToggleBtn.active, #fullscreenToggleBtn.active {
    background-color: var(--primary-light) !important;
    border-color: var(--primary) !important;
    color: var(--primary-dark) !important;
}

/* AI Chat Custom Bubble Styling */
.ai-text-content strong {
    color: #0f766e;
}
.ai-text-content ul, .ai-text-content ol {
    margin-bottom: 0.5rem;
    padding-left: 1.25rem;
}
.ai-msg-row:hover .btn-link {
    opacity: 1 !important;
}

/* Teal Theme Utilities */
.text-teal { color: #0d9488 !important; }
.text-teal-light { color: #2dd4bf !important; }
.bg-teal { background-color: #0d9488 !important; }
.border-teal { border-color: #0d9488 !important; }

/* User Profile Dropdown Styling */
.dropdown-toggle-no-caret::after {
    display: none !important;
}

.user-profile-dropdown-menu {
    border-radius: 14px !important;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45) !important;
}

.user-header-card {
    transition: background 0.2s ease;
}

.user-dd-link {
    color: #cbd5e1 !important;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.18s ease;
}

.user-dd-link:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    color: #ffffff !important;
    transform: translateX(3px);
}

.user-dd-link:hover i {
    transform: scale(1.15);
}

.user-dd-link i {
    transition: transform 0.18s ease;
}