:root {
    /* Ocean Blue - Updated to #3F8FB0 */
    --primary-color: #3F8FB0;
    --primary-gradient: linear-gradient(135deg, #3F8FB0 0%, #2c6f8a 100%);
    --primary-hover: #347a98;
    --primary-rgb: 63, 143, 176;
    --bg-body: #f1f8fb;
    --bg-card: #ffffff;
    --sidebar-bg: var(--primary-gradient);

    --bs-primary: var(--primary-color);
    --bs-primary-rgb: var(--primary-rgb);
    --bs-link-color: var(--primary-color);
    --bs-link-hover-color: var(--primary-hover);

    --app-font: 'Inter', sans-serif;
}

/* Theme Definitions */

[data-theme="ocean"] {
    --primary-color: #3F8FB0;
    --primary-gradient: linear-gradient(135deg, #3F8FB0 0%, #2c6f8a 100%);
    --primary-hover: #347a98;
    --primary-rgb: 63, 143, 176;
    --bg-body: #f1f8fb;
}

[data-theme="royal"] {
    --primary-color: #4f46e5;
    --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
    --primary-hover: #4338ca;
    --primary-rgb: 79, 70, 229;
    --bg-body: #f5f3ff;
}

[data-theme="berry"] {
    --primary-color: #e11d48;
    --primary-gradient: linear-gradient(135deg, #e11d48 0%, #9f1239 100%);
    --primary-hover: #be123c;
    --primary-rgb: 225, 29, 72;
    --bg-body: #fff1f2;
}

[data-theme="sunset"] {
    --primary-color: #d97706;
    --primary-gradient: linear-gradient(135deg, #d97706 0%, #92400e 100%);
    --primary-hover: #b45309;
    --primary-rgb: 217, 119, 6;
    --bg-body: #fffbeb;
}

[data-theme="forest"] {
    --primary-color: #059669;
    --primary-gradient: linear-gradient(135deg, #059669 0%, #065f46 100%);
    --primary-hover: #047857;
    --primary-rgb: 5, 150, 105;
    --bg-body: #f0fdf4;
}

[data-theme="amethyst"] {
    --primary-color: #7c3aed;
    --primary-gradient: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
    --primary-hover: #6d28d9;
    --primary-rgb: 124, 58, 237;
    --bg-body: #f9f7ff;
}

body {
    background-color: var(--bg-body);
    font-size: 14px;
    font-family: var(--app-font);
}

.navbar-dark {
    background-color: var(--primary-color) !important;
}


.navbar .nav-link {
    padding: 0.35rem 0.75rem;
    font-size: 0.9rem;
}

.card-body {
    padding: 0.9rem 1rem;
}

.table-sm th,
.table-sm td {
    padding: 0.35rem 0.5rem;
    font-size: 0.9rem;
}

.sidebar-purple {
    background: var(--primary-gradient);
}

.sidebar-purple .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}


.sidebar-purple .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.bg-purple {
    background: var(--primary-color) !important;
}

.btn-outline-purple {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-purple:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.border-primary {
    border-color: var(--primary-color) !important;
}

/* Theme Previews */
.theme-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.theme-swatch:hover {
    transform: scale(1.1);
}

.theme-swatch.active {
    border-color: #000;
}


@media (max-width: 767.98px) {
    body {
        font-size: 13px;
    }

    .h3,
    h3 {
        font-size: 1.25rem;
    }

    .btn-sm {
        padding: 0.25rem 0.4rem;
        font-size: 0.75rem;
    }
}

.btn-xs {
    padding: 0.125rem 0.25rem;
    font-size: 0.7rem;
    line-height: 1.2;
}

.font-option.active {
    background-color: var(--primary-color) !important;
    color: white !important;
    border-color: var(--primary-color) !important;
}

/* Global Loader */
#global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(2px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(var(--primary-rgb), 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* DataTables wrapper margins */
#salesTable_wrapper,
#purchasesTable_wrapper,
#itemsTable_wrapper {
    margin: 10px;
}

/* Layout Styles */
@media (max-width: 991.98px) {
    .sidebar-desktop {
        display: none !important;
    }

    .content-area {
        padding-top: 60px !important;
    }
}

@media (min-width: 992px) {
    .navbar-mobile {
        display: none !important;
    }

    .sidebar-desktop {
        width: 250px;
        min-height: 100vh;
        position: fixed;
        left: 0;
        top: 0;
        z-index: 1000;
        transition: width 0.3s ease;
    }

    .content-area {
        margin-left: 250px;
        transition: margin-left 0.3s ease;
    }

    .sidebar-collapsed .sidebar-desktop {
        width: 70px;
    }

    .sidebar-collapsed .content-area {
        margin-left: 70px;
    }

    .sidebar-collapsed .sidebar-desktop .nav-link span {
        display: none;
    }

    .sidebar-collapsed .sidebar-desktop .fs-4 {
        display: none;
    }

    .sidebar-collapsed .sidebar-desktop strong {
        display: none;
    }

    .sidebar-collapsed .sidebar-desktop .dropdown-toggle::after {
        display: none;
    }

    .sidebar-collapsed .sidebar-desktop .sidebar-logo-text {
        display: none;
    }

    .sidebar-collapsed .sidebar-desktop .app-logo {
        display: none;
    }

    .sidebar-collapsed .sidebar-desktop .nav-link {
        text-align: center;
        padding: 0.75rem 0;
    }

    .sidebar-collapsed .sidebar-desktop .nav-link i {
        margin-right: 0 !important;
        font-size: 1.25rem;
    }
}

.offcanvas-purple {
    background: var(--primary-gradient);
    color: white;
}

/* App Logo Styles */
.app-logo {
    position: relative;
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    flex-shrink: 0;
}

.app-logo::before,
.app-logo::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 6px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 3px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.app-logo::before {
    transform: rotate(-45deg) translate(-2px, -8px);
    width: 14px;
}

.app-logo::after {
    transform: rotate(-45deg) translate(2px, 8px);
    width: 14px;
}

.app-logo-inner {
    width: 24px;
    height: 24px;
    border: 3px solid #fff;
    border-radius: 5px;
    transform: rotate(45deg);
    position: relative;
}

.app-logo-inner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 2px;
}

/* Mobile Table Improvements (Sales & Purchase) */
@media (max-width: 768px) {

    #detailsTable input.form-control-sm,
    #detailsTable select.form-select-sm,
    #detailsTable .select2-container--bootstrap-5 .select2-selection--single {
        min-height: 45px !important;
        /* Larger touch target */
        font-size: 16px !important;
        /* Prevent iOS zoom */
        display: flex;
        align-items: center;
    }

    /* Ensure specific inputs have enough width for at least 6 digits */
    #detailsTable input[type="number"],
    #detailsTable input.amount,
    #detailsTable input.rate,
    #detailsTable input.weight,
    #detailsTable input.discount {
        min-width: 100px !important;
    }

    /* Item name needs more space */
    #detailsTable .select2-container,
    #detailsTable select {
        min-width: 200px !important;
    }

    /* Remarks field */
    #detailsTable input.remarks {
        min-width: 150px !important;
    }

    /* ensure table cells don't shrink below content */
    #detailsTable th,
    #detailsTable td {
        white-space: nowrap;
        vertical-align: middle;
    }
}

/* Pages/Sales.cshtml & Pages/Purchases.cshtml Specifics */
.fw-black {
    font-weight: 900;
}

#detailsTable input {
    border-radius: 4px;
}

#detailsTable .form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.sticky-top {
    top: -1px;
    z-index: 1020;
}

.business-header-area {
    background-color: #fff;
    min-height: 52px;
}

.business-header-area .business-title {
    color: var(--primary-color);
    letter-spacing: -0.01em;
}

@media (max-width: 991.98px) {
    .business-header-area {
        top: 60px; /* Below mobile navbar */
    }
}

/* Pages/PdfViewer.cshtml */
body.pdf-viewer-body {
    background-color: #525659;
    height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pdf-viewer-toolbar {
    background-color: var(--primary-color, #323639);
    color: white;
    padding: 0.5rem 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    z-index: 100;
}

#viewerContainer {
    flex: 1;
    overflow: auto;
    position: relative;
    background-color: #525659;
    padding: 20px;
}

#canvasContainer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    min-height: 100%;
}

#canvasContainer canvas {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    background-color: white;
    max-width: 100%;
}

.btn-toolbar-custom {
    color: #f1f1f1;
    background: transparent;
    border: 1px solid transparent;
}

.btn-toolbar-custom:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

/* Network Status Notification */
.offline-notification {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(220, 53, 69, 0.95);
    /* Bootstrap danger color with solid opacity */
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 10000;
    transition: bottom 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    /* Bouncy effect */
    font-weight: 600;
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.offline-notification.show {
    bottom: 30px;
}

.offline-notification i {
    animation: pulse-wifi 2s infinite;
}

@keyframes pulse-wifi {
    0% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.5;
    }
}

/* Print Styles for Reports */
@media print {
    @page {
        size: portrait;
        margin: 0;
        /* Remove all system margins */
    }

    html,
    body {
        height: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        background: white !important;
        overflow: hidden !important;
    }

    .pdf-viewer-toolbar,
    .btn,
    .alert,
    .spinner-border,
    .no-print,
    .swal2-container {
        display: none !important;
    }

    #viewerContainer {
        margin: 0 !important;
        padding: 0 !important;
        height: 100% !important;
        width: 100% !important;
        overflow: visible !important;
        display: block !important;
        background: white !important;
        position: static !important;
    }

    #canvasContainer {
        display: block !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 1mm !important;
        /* Tiny safety padding */
    }

    canvas {
        max-width: 100% !important;
        max-height: 98vh !important;
        /* Force fit within page height */
        height: auto !important;
        width: auto !important;
        margin: 0 auto !important;
        display: block !important;
        box-shadow: none !important;
        border: none !important;
        page-break-inside: avoid;
        break-inside: avoid;
    }

    /* Only force page break IF there are multiple pages */
    canvas:not(:last-child) {
        page-break-after: always;
    }
}