:root {
    --black: #000000;
    --white: #FFFFFF;
    --red: #d32f2f;
    --light-gray: #f3f4f6;
    --gray-border: #e5e7eb;
    --dark-gray: #374151;
    --soft-red-hover: #fecaca;
    --alt-row-blue: #f2f9ff;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-gray);
    transition: background-color 0.3s, color 0.3s;
    color: var(--black);
    margin: 0;
    padding: 0;
}

.dark {
    --black: #FFFFFF;
    --white: #000000;
    --red: #d32f2f;
    --light-gray: #1f2937;
    --gray-border: #374151;
    --dark-gray: #e5e7eb;
    --soft-red-hover: #b91c1c;
    --alt-row-blue: #1e3a8a;
    color: var(--white);
}

/* Hide scrollbar but keep functionality */
.hide-scrollbar::-webkit-scrollbar {
    height: 0;
    width: 0;
    display: none;
}

.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Card Row Styling */
.flex-nowrap {
    display: flex;
    flex-wrap: nowrap;
}

.overflow-x-auto {
    overflow-x: auto;
}

/* Compact Input Styles */
.compact-input {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.25;
    height: 2.5rem;
    min-height: 2.5rem;
    width: 100%;
    background-color: #f9fafb;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
}

.compact-input:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 1px var(--red);
}

/* Compact Button Styles */
.compact-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    min-height: 2.5rem;
    white-space: nowrap;
}

/* Header Styles */
.app-header {
    background-color: var(--black);
    color: var(--white);
    padding: 1rem;
}

.header-title {
    font-weight: 700;
}

.header-text {
    color: var(--gray-border);
}

/* Theme Toggle */
.toggle-container {
    background-color: #9ca3af;
    position: relative;
    border-radius: 9999px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 50px;
    height: 25px;
}

.dark .toggle-container {
    background-color: var(--red);
}

.toggle-ball {
    width: 21px;
    height: 21px;
    background-color: white;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform 0.3s ease;
}

.dark .toggle-ball {
    transform: translateX(25px);
}

/* Navigation Styles */
.heading-container {
    background-color: var(--white);
    display: flex;
    justify-content: space-between;
    padding: 0;
    margin: 0;
    border-bottom: 2px solid #eee;
}

.heading-tab {
    flex: 1;
    text-align: center;
    padding: 1rem;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    background-color: #e0e0e0;
    color: #000;
    border: none;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.heading-tab:hover {
    background-color: #d0d0d0;
}

.heading-tab.active {
    background-color: var(--red);
    color: var(--white);
}

.sub-heading-container {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.5rem;
    background-color: var(--white);
    border-bottom: 2px solid var(--red);
    margin: 0;
    padding: 0.75rem;
}

.sub-heading {
    background-color: #000;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
    text-transform: uppercase;
    border: none;
}

.sub-heading:hover {
    background-color: #333;
}

.sub-heading.active {
    background-color: var(--red);
    color: #fff;
}

/* Button Styles */
.btn-red {
    background-color: var(--red);
    color: var(--white);
}

.btn-red:hover {
    background-color: #b71c1c;
    transform: translateY(-1px);
}

.btn-black {
    background-color: var(--black);
    color: var(--white);
}

.btn-black:hover {
    background-color: #333;
    transform: translateY(-1px);
}

.btn-white {
    background-color: var(--white);
    color: var(--black);
    border: 1px solid var(--black);
}

.btn-white:hover {
    background-color: #f5f5f5;
    transform: translateY(-1px);
}

/* Table Styles */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    background-color: var(--white);
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.table-container thead th {
    background-color: var(--black);
    color: var(--white);
    font-weight: bold;
    text-transform: uppercase;
    white-space: nowrap;
    padding: 0.75rem;
    text-align: center;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.table-container tbody tr {
    background-color: var(--white);
    transition: background-color 0.2s ease;
}

/* Alternating Row Colors */
.table-container tbody tr:nth-child(even) {
    background-color: var(--alt-row-blue);
}

.table-container tbody tr:hover {
    background-color: var(--soft-red-hover);
}

.table-container td {
    text-align: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--gray-border);
    white-space: normal;
    word-wrap: break-word;
    font-size: 0.875rem;
}

/* Tab styling for Supply Management */
#supply-management .border-b {
    border-bottom-width: 1px;
}

#supply-management .border-transparent {
    border-color: transparent;
}

#supply-management .border-red-600 {
    border-color: var(--red);
}

#supply-management .text-red-600 {
    color: var(--red);
}

#supply-management .text-gray-500 {
    color: #6b7280;
}

#supply-management .text-gray-700 {
    color: #374151;
}

#supply-management .hover\:text-gray-700:hover {
    color: #374151;
}

/* Report Summary Cards */
.report-summary-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.report-summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.report-summary-card p:first-child {
    margin-bottom: 0.5rem;
}

.report-summary-card p:last-child {
    margin: 0;
}

/* Special styling for pending approval card */
.pending-card {
    background: linear-gradient(135deg, #fff8e6 0%, #fffbf2 100%);
    border: 1px solid #fef3c7;
}

.pending-card:hover {
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.15);
}

/* Dashboard Section */
.dashboard-section {
    background-color: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.dashboard-section:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Mobile Responsive Table */
@media (max-width: 768px) {

    .table-container table,
    .table-container thead,
    .table-container tbody,
    .table-container th,
    .table-container td,
    .table-container tr {
        display: block;
    }

    .table-container thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    .table-container tr {
        border: 1px solid var(--gray-border);
        margin-bottom: 0.75rem;
        border-radius: 0.5rem;
        overflow: hidden;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        background-color: var(--white);
    }

    .table-container tr:nth-child(even) {
        background-color: var(--alt-row-blue);
    }

    .table-container td {
        border-bottom: 1px solid var(--gray-border);
        position: relative;
        padding-left: 50%;
        text-align: right;
        white-space: normal;
        word-break: break-word;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }

    .table-container td:before {
        position: absolute;
        top: 0.75rem;
        left: 0.75rem;
        width: 40%;
        padding-right: 0.5rem;
        white-space: nowrap;
        text-align: left;
        font-weight: 600;
        color: var(--dark-gray);
        content: attr(data-label) ": ";
    }

    .table-container td:last-child {
        border-bottom: none;
    }

    .compact-input {
        font-size: 0.8rem;
        padding: 0.4rem 0.6rem;
        min-height: 2.25rem;
    }

    .compact-btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
        min-height: 2.25rem;
    }
}

/* Mobile Navigation */
@media (max-width: 640px) {
    .sub-heading-container {
        padding: 0.5rem;
        gap: 0.375rem;
    }

    .sub-heading {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }

    .heading-tab {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    .app-header {
        padding: 0.75rem;
    }

    .header-title {
        font-size: 1.125rem;
    }
}

/* Form Controls */
input[type="text"],
input[type="number"],
input[type="date"],
input[type="file"],
select {
    transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 1px var(--red);
}

/* Modal Improvements */
.fixed.inset-0 {
    backdrop-filter: blur(2px);
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
}

/* Toast Notification */
#toast-message {
    max-width: 90%;
    font-size: 0.875rem;
    font-weight: 500;
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--red);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 50;
    transition: transform 0.3s, opacity 0.3s;
}

.translate-y-24 {
    transform: translateY(6rem) translateX(-50%);
}

.translate-y-0 {
    transform: translateY(0) translateX(-50%);
}

.opacity-0 {
    opacity: 0;
}

.opacity-100 {
    opacity: 1;
}

/* Action Button Styling */
.action-btn {
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.approve-btn {
    background-color: var(--red);
    color: white;
}

.approve-btn:hover {
    background-color: #b71c1c;
    transform: translateY(-1px);
}

/* Improved checkbox styling */
input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--red);
    cursor: pointer;
}

/* Dark mode specific improvements */
.dark .dashboard-section {
    background-color: #374151;
    border: 1px solid #4b5563;
}

.dark .table-container tbody tr {
    background-color: #374151;
}

.dark .table-container tbody tr:nth-child(even) {
    background-color: var(--alt-row-blue);
}

.dark .report-summary-card {
    background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
    border-color: #4b5563;
    color: var(--white);
}

.dark .pending-card {
    background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
    border-color: #b45309;
}

.dark .report-summary-card p {
    color: var(--white);
}

.dark .report-summary-card p:first-child {
    color: #d1d5db;
}

.dark .compact-input {
    background-color: #374151;
    border-color: #4b5563;
    color: var(--white);
}

.dark .compact-input:focus {
    border-color: var(--red);
}

/* File input styling */
input[type="file"] {
    border: 2px dashed var(--gray-border);
    border-radius: 0.5rem;
    padding: 0.25rem;
    background-color: #f9fafb;
    transition: all 0.2s ease;
}

input[type="file"]:hover {
    border-color: var(--red);
    background-color: #fef2f2;
}

input[type="file"]:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 1px var(--red);
}

/* Enhanced responsive layout */
@media (max-width: 1024px) {
    .flex-col.lg\:flex-row {
        flex-direction: column;
        align-items: stretch;
    }

    .lg\:max-w-md {
        max-width: 100%;
    }
}

/* Additional Utilities */
.min-w-\[200px\] {
    min-width: 200px;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.pb-2 {
    padding-bottom: 0.5rem;
}

.justify-end {
    justify-content: flex-end;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.gap-3 {
    gap: 0.75rem;
}

.mt-4 {
    margin-top: 1rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.font-medium {
    font-weight: 500;
}

.text-amber-600 {
    color: #d97706;
}

.dark .text-amber-600 {
    color: #fbbf24;
}

/* Day-wise due container */
#daywise-due-container {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

#daywise-due-container::-webkit-scrollbar {
    height: 6px;
}

#daywise-due-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

#daywise-due-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

#daywise-due-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Purchase Management Cards */
.due-date-card {
    transition: all 0.2s ease;
}

.due-date-card:hover {
    transform: translateY(-2px);
}

.due-date-card.active,
.due-date-card:active {
    background-color: #fef2f2;
    border-color: #f87171;
}

/* Print Styles */
@media print {
    body {
        font-size: 12px;
        color: #000;
        background: white;
    }
    
    .print-container {
        max-width: none;
        margin: 0;
        padding: 20px;
    }
    
    .print-header {
        text-align: center;
        margin-bottom: 30px;
        border-bottom: 2px solid #000;
        padding-bottom: 20px;
    }
    
    .print-title {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 10px;
    }
    
    .print-date {
        font-size: 14px;
        color: #666;
    }
    
    .print-table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }
    
    .print-table th,
    .print-table td {
        border: 1px solid #000;
        padding: 8px;
        text-align: left;
        font-size: 11px;
    }
    
    .print-table th {
        background-color: #f0f0f0;
        font-weight: bold;
    }
    
    .print-table tr:nth-child(even) {
        background-color: #f9f9f9;
    }
    
    .print-summary {
        margin-top: 30px;
        padding: 15px;
        border: 1px solid #000;
        background-color: #f5f5f5;
    }
    
    .print-summary h3 {
        margin-top: 0;
        font-size: 16px;
    }
    
    .print-footer {
        margin-top: 30px;
        text-align: center;
        font-size: 10px;
        color: #666;
    }
    
    /* Hide non-printable elements */
    .no-print {
        display: none !important;
    }
}