/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Variables */
:root {
    --invoice-primary-blue: #4f46e5;
    --invoice-primary-green: #10b981;
    --invoice-primary-red: #ef4444;
    --invoice-gray-50: #f9fafb;
    --invoice-gray-100: #f3f4f6;
    --invoice-gray-200: #e5e7eb;
    --invoice-gray-300: #d1d5db;
    --invoice-gray-400: #9ca3af;
    --invoice-gray-500: #6b7280;
    --invoice-gray-600: #4b5563;
    --invoice-gray-700: #374151;
    --invoice-gray-800: #1f2937;
    --invoice-gray-900: #111827;
    --invoice-white: #ffffff;
    --invoice-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --invoice-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --invoice-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --invoice-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --invoice-radius-sm: 0.125rem;
    --invoice-radius: 0.25rem;
    --invoice-radius-md: 0.375rem;
    --invoice-radius-lg: 0.5rem;
    --invoice-radius-xl: 0.75rem;
    --invoice-radius-2xl: 1rem;
}

/* Base Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    color: var(--invoice-gray-900);
    background-color: #f3ffec;
}

/* Typography */
.invoice-h1 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.invoice-h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.invoice-h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.invoice-text-sm {
    font-size: 0.875rem;
}

.invoice-text-xs {
    font-size: 0.75rem;
}

.invoice-text-lg {
    font-size: 1.125rem;
}

.invoice-text-xl {
    font-size: 1.25rem;
}

.invoice-text-2xl {
    font-size: 1.5rem;
}

.invoice-text-3xl {
    font-size: 1.875rem;
}

.invoice-font-bold {
    font-weight: 700;
}

.invoice-font-semibold {
    font-weight: 600;
}

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

.invoice-font-normal {
    font-weight: 400;
}

/* Layout */
.invoice-container {
    width: 100%;
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.invoice-flex {
    display: flex;
}

.invoice-flex-col {
    flex-direction: column;
}

.invoice-flex-row {
    flex-direction: row;
}

.invoice-flex-wrap {
    flex-wrap: wrap;
}

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

.invoice-justify-center {
    justify-content: center;
}

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

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

.invoice-items-start {
    align-items: flex-start;
}

.invoice-items-end {
    align-items: flex-end;
}

.invoice-gap-1 {
    gap: 0.25rem;
}

.invoice-gap-2 {
    gap: 0.5rem;
}

.invoice-gap-3 {
    gap: 0.75rem;
}

.invoice-gap-4 {
    gap: 1rem;
}

.invoice-gap-6 {
    gap: 1.5rem;
}

.invoice-grid {
    display: grid;
}

.invoice-grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.invoice-grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.invoice-grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.invoice-grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Spacing */
.invoice-p-0 {
    padding: 0;
}

.invoice-p-1 {
    padding: 0.25rem;
}

.invoice-p-2 {
    padding: 0.5rem;
}

.invoice-p-3 {
    padding: 0.75rem;
}

.invoice-p-4 {
    padding: 1rem;
}

.invoice-p-6 {
    padding: 1.5rem;
}

.invoice-p-8 {
    padding: 2rem;
}

.invoice-px-2 {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.invoice-px-3 {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

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

.invoice-py-1 {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
}

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

.invoice-py-3 {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.invoice-py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.invoice-m-0 {
    margin: 0;
}

.invoice-m-1 {
    margin: 0.25rem;
}

.invoice-m-2 {
    margin: 0.5rem;
}

.invoice-m-3 {
    margin: 0.75rem;
}

.invoice-m-4 {
    margin: 1rem;
}

.invoice-m-6 {
    margin: 1.5rem;
}

.invoice-m-8 {
    margin: 2rem;
}

.invoice-mb-1 {
    margin-bottom: 0.25rem;
}

.invoice-mb-2 {
    margin-bottom: 0.5rem;
}

.invoice-mb-3 {
    margin-bottom: 0.75rem;
}

.invoice-mb-4 {
    margin-bottom: 1rem;
}

.invoice-mb-6 {
    margin-bottom: 1.5rem;
}

.invoice-mb-8 {
    margin-bottom: 2rem;
}

.invoice-mt-1 {
    margin-top: 0.25rem;
}

.invoice-mt-2 {
    margin-top: 0.5rem;
}

.invoice-mt-3 {
    margin-top: 0.75rem;
}

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

.invoice-mt-6 {
    margin-top: 1.5rem;
}

.invoice-mt-8 {
    margin-top: 2rem;
}

.invoice-ml-1 {
    margin-left: 0.25rem;
}

.invoice-ml-2 {
    margin-left: 0.5rem;
}

.invoice-ml-3 {
    margin-left: 0.75rem;
}

.invoice-mr-1 {
    margin-right: 0.25rem;
}

.invoice-mr-2 {
    margin-right: 0.5rem;
}

.invoice-mr-3 {
    margin-right: 0.75rem;
}

.invoice-mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* Width & Height */
.invoice-w-full {
    width: 100%;
}

.invoice-w-1-2 {
    width: 50%;
}

.invoice-w-1-3 {
    width: 33.333333%;
}

.invoice-w-2-3 {
    width: 66.666667%;
}

.invoice-w-1-4 {
    width: 25%;
}

.invoice-w-3-4 {
    width: 75%;
}

.invoice-w-24 {
    width: 6rem;
}

.invoice-w-32 {
    width: 8rem;
}

.invoice-w-48 {
    width: 12rem;
}

.invoice-w-64 {
    width: 16rem;
}

.invoice-max-w-xs {
    max-width: 20rem;
}

.invoice-max-w-sm {
    max-width: 24rem;
}

.invoice-max-w-md {
    max-width: 28rem;
}

.invoice-max-w-lg {
    max-width: 32rem;
}

.invoice-max-w-xl {
    max-width: 36rem;
}

.invoice-max-w-2xl {
    max-width: 42rem;
}

.invoice-max-w-3xl {
    max-width: 48rem;
}

.invoice-max-w-4xl {
    max-width: 56rem;
}

.invoice-max-w-5xl {
    max-width: 64rem;
}

.invoice-max-w-6xl {
    max-width: 72rem;
}

.invoice-max-w-7xl {
    max-width: 80rem;
}

.invoice-max-w-full {
    max-width: 100%;
}

.invoice-h-full {
    height: 100%;
}

.invoice-h-screen {
    height: 100vh;
}

.invoice-min-h-screen {
    min-height: 100vh;
}

/* Colors */
.invoice-text-white {
    color: var(--invoice-white);
}

.invoice-text-gray-50 {
    color: var(--invoice-gray-50);
}

.invoice-text-gray-100 {
    color: var(--invoice-gray-100);
}

.invoice-text-gray-200 {
    color: var(--invoice-gray-200);
}

.invoice-text-gray-300 {
    color: var(--invoice-gray-300);
}

.invoice-text-gray-400 {
    color: var(--invoice-gray-400);
}

.invoice-text-gray-500 {
    color: var(--invoice-gray-500);
}

.invoice-text-gray-600 {
    color: var(--invoice-gray-600);
}

.invoice-text-gray-700 {
    color: var(--invoice-gray-700);
}

.invoice-text-gray-800 {
    color: var(--invoice-gray-800);
}

.invoice-text-gray-900 {
    color: var(--invoice-gray-900);
}

.invoice-text-blue-600 {
    color: var(--invoice-primary-blue);
}

.invoice-text-green-500 {
    color: var(--invoice-primary-green);
}

.invoice-text-red-500 {
    color: var(--invoice-primary-red);
}

.invoice-bg-white {
    background-color: var(--invoice-white);
}

.invoice-bg-gray-50 {
    background-color: var(--invoice-gray-50);
}

.invoice-bg-gray-100 {
    background-color: var(--invoice-gray-100);
}

.invoice-bg-gray-200 {
    background-color: var(--invoice-gray-200);
}

.invoice-bg-gray-300 {
    background-color: var(--invoice-gray-300);
}

.invoice-bg-gray-400 {
    background-color: var(--invoice-gray-400);
}

.invoice-bg-gray-500 {
    background-color: var(--invoice-gray-500);
}

.invoice-bg-gray-600 {
    background-color: var(--invoice-gray-600);
}

.invoice-bg-gray-700 {
    background-color: var(--invoice-gray-700);
}

.invoice-bg-gray-800 {
    background-color: var(--invoice-gray-800);
}

.invoice-bg-gray-900 {
    background-color: var(--invoice-gray-900);
}

.invoice-bg-blue-600 {
    background-color: var(--invoice-primary-blue);
}

.invoice-bg-green-500 {
    background-color: var(--invoice-primary-green);
}

.invoice-bg-red-500 {
    background-color: var(--invoice-primary-red);
}

.invoice-border-gray-200 {
    border-color: var(--invoice-gray-200);
}

.invoice-border-gray-300 {
    border-color: var(--invoice-gray-300);
}

.invoice-border-gray-400 {
    border-color: var(--invoice-gray-400);
}

.invoice-border-gray-500 {
    border-color: var(--invoice-gray-500);
}

/* Borders */
.invoice-border {
    border-width: 1px;
    border-style: solid;
}

.invoice-border-0 {
    border-width: 0;
}

.invoice-border-t {
    border-top-width: 1px;
    border-top-style: solid;
}

.invoice-border-b {
    border-bottom-width: 1px;
    border-bottom-style: solid;
}

.invoice-border-l {
    border-left-width: 1px;
    border-left-style: solid;
}

.invoice-border-r {
    border-right-width: 1px;
    border-right-style: solid;
}

.invoice-rounded {
    border-radius: var(--invoice-radius);
}

.invoice-rounded-sm {
    border-radius: var(--invoice-radius-sm);
}

.invoice-rounded-md {
    border-radius: var(--invoice-radius-md);
}

.invoice-rounded-lg {
    border-radius: var(--invoice-radius-lg);
}

.invoice-rounded-xl {
    border-radius: var(--invoice-radius-xl);
}

.invoice-rounded-2xl {
    border-radius: var(--invoice-radius-2xl);
}

.invoice-rounded-full {
    border-radius: 9999px;
}

/* Shadows */
.invoice-shadow-sm {
    box-shadow: var(--invoice-shadow-sm);
}

.invoice-shadow {
    box-shadow: var(--invoice-shadow);
}

.invoice-shadow-lg {
    box-shadow: var(--invoice-shadow-lg);
}

.invoice-shadow-xl {
    box-shadow: var(--invoice-shadow-xl);
}

.invoice-shadow-none {
    box-shadow: none;
}

/* Display */
.invoice-block {
    display: block;
}

.invoice-inline-block {
    display: inline-block;
}

.invoice-inline {
    display: inline;
}

.invoice-hidden {
    display: none;
}

/* Position */
.invoice-relative {
    position: relative;
}

.invoice-absolute {
    position: absolute;
}

.invoice-fixed {
    position: fixed;
}

.invoice-sticky {
    position: sticky;
}

/* Overflow */
.invoice-overflow-auto {
    overflow: auto;
}

.invoice-overflow-hidden {
    overflow: hidden;
}

.invoice-overflow-y-auto {
    overflow-y: auto;
}

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

/* Text Alignment */
.invoice-text-left {
    text-align: left;
}

.invoice-text-center {
    text-align: center;
}

.invoice-text-right {
    text-align: right;
}

/* Cursor */
.invoice-cursor-pointer {
    cursor: pointer;
}

.invoice-cursor-default {
    cursor: default;
}

/* Resize */
.invoice-resize-none {
    resize: none;
}

/* Custom Components */
.invoice-a4-page {
    width: 56rem;
    min-height: 297mm;
    margin: 2rem auto;
    padding: 30px;
    background: var(--invoice-white);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    box-sizing: border-box;
}

.invoice-input {
    border: 1px dashed var(--invoice-gray-300);
    padding: 0.25rem 0.5rem;
    border-radius: var(--invoice-radius);
    transition: all 0.2s;
    background-color: var(--invoice-gray-50);
    font-size: 0.875rem;
    width: 100%;
}

.invoice-input:focus {
    outline: none;
    border: 1px solid var(--invoice-primary-blue);
    background-color: var(--invoice-white);
    box-shadow: 0 0 0 1px var(--invoice-primary-blue);
}

.invoice-btn {
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    border-radius: var(--invoice-radius-lg);
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.invoice-btn-primary {
    background-color: var(--invoice-primary-blue);
    color: var(--invoice-white);
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
}

.invoice-btn-primary:hover {
    background-color: #4338ca;
}

.invoice-btn-secondary {
    background-color: var(--invoice-gray-200);
    color: var(--invoice-gray-800);
}

.invoice-btn-secondary:hover {
    background-color: var(--invoice-gray-300);
}

.invoice-btn-success {
    background-color: var(--invoice-primary-green);
    color: var(--invoice-white);
}

.invoice-btn-success:hover {
    background-color: #0d9666;
}

.invoice-btn-danger {
    background-color: var(--invoice-primary-red);
    color: var(--invoice-white);
}

.invoice-btn-danger:hover {
    background-color: #dc2626;
}

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

.invoice-table-header th {
    color: var(--invoice-white);
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    background-color: var(--invoice-gray-700);
}

.invoice-table-row td {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--invoice-gray-100);
    vertical-align: middle;
}

.invoice-table-row input {
    border: none;
    background: none;
    padding: 0;
}

.invoice-table-row input:focus {
    border: none;
    box-shadow: none;
    background-color: #fffbeb;
}

.invoice-tax-select-container {
    position: relative;
    display: inline-block;
    width: 100%;
}

.invoice-tax-multiselect {
    width: 100%;
    padding: 0.25rem 0.5rem;
    border: 1px dashed var(--invoice-gray-300);
    border-radius: var(--invoice-radius);
    background-color: var(--invoice-gray-50);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.invoice-tax-multiselect-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--invoice-white);
    border: 1px solid var(--invoice-gray-300);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 10;
    max-height: 200px;
    overflow-y: auto;
    display: none;
}

.invoice-tax-multiselect-dropdown label {
    display: block;
    padding: 5px 10px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.1s;
}

.invoice-tax-multiselect-dropdown label:hover {
    background-color: var(--invoice-gray-100);
}

.invoice-tax-multiselect-dropdown input[type="checkbox"] {
    margin-right: 8px;
}

.invoice-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.invoice-modal-content {
    background: var(--invoice-white);
    padding: 2rem;
    border-radius: var(--invoice-radius-xl);
    max-width: 450px;
    width: 90%;
    text-align: center;
}

.invoice-preview-modal-content {
    background: var(--invoice-white);
    border-radius: var(--invoice-radius-xl);
    width: 95%;
    max-width: 1000px;
    height: 90%;
    display: flex;
    flex-direction: column;
}

.invoice-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--invoice-gray-200);
}

.invoice-preview-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--invoice-gray-500);
}

.invoice-preview-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.invoice-preview-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--invoice-gray-200);
}

.invoice-logo-preview {
    /* max-width: 150px; */
    /* max-height: 50px; */
    object-fit: contain;
    display: none;
}

#invoice-display-invoice-date,
#invoice-display-due-date {
    white-space: nowrap;
}


/* Red asterisk for required fields */
.required-label::after {
    content: " *";
    color: red;
    font-weight: bold;
}


.invoice-header-top{
    border-bottom: 3px solid var(--invoice-primary-blue);
    padding-bottom: 10px;
}

.invoice-header-line{
    display: flex;
    justify-content: space-between;
}

.invoice-general-settings{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

/* Responsive */
@media (max-width: 768px) {
    .invoice-grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .invoice-grid-cols-3 {
        grid-template-columns: 1fr;
    }
    
    .invoice-flex-row {
        flex-direction: column;
    }
    
    .invoice-w-1-2 {
        width: 100%;
    }
    
    .invoice-a4-page {
        width: 100%;
        margin: 1rem auto;
        padding: 15px;
    }
}

/* Print Styles */
@media print {
    .invoice-no-print {
        display: none !important;
    }
}