/* BrandSync Orange Theme - Generated from EG BrandSync Design System */

:root {
    /* Orange Primary Palette (BrandSync Official) */
    --primary-50: #FAEEE9;
    --primary-100: #F9DDD0;
    --primary-200: #F7B997;
    --primary-300: #F08C50;
    --primary-400: #D26D2B;
    --primary-500: #BA5400;
    --primary-600: #A24907; /* Base */
    --primary-700: #873D07;
    --primary-800: #642C04;
    --primary-900: #411B02;
    --primary-950: #301302;

    /* Neutral Scale (BrandSync) */
    --neutral-25: #FBFBFC;
    --neutral-50: #F8F9FB;
    --neutral-100: #F2F4F7;
    --neutral-200: #EAECF0;
    --neutral-300: #D0D5DD;
    --neutral-400: #98A2B3;
    --neutral-500: #667085;
    --neutral-600: #475467;
    --neutral-700: #344054;
    --neutral-800: #1D2939;
    --neutral-900: #101828;
    --neutral-950: #0C111D;

    /* Semantic Colors (BrandSync) */
    --success-600: #11714E;
    --error-600: #D92D20;
    --warning-600: #DC6803;
    --information-500: #2E90FA;

    /* Semantic Tokens - Light Mode (BrandSync Structure) */
    --color-primary-default: var(--primary-600);
    --color-primary-hover: var(--primary-700);
    --color-primary-focused: var(--primary-700);
    --color-primary-pressed: var(--primary-800);
    --color-primary-container: var(--primary-50);
    --color-primary-container-hover: var(--primary-100);

    --color-neutral-default: var(--neutral-700);
    --color-neutral-hover: var(--neutral-800);
    --color-neutral-container: var(--neutral-25);
    --color-neutral-container-hover: var(--neutral-50);

    /* Typography - Roboto */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */

    /* Spacing Scale (BrandSync - 8px base) */
    --spacing-0: 0px;
    --spacing-25: 2px;
    --spacing-50: 4px;
    --spacing-75: 6px;
    --spacing-100: 8px;
    --spacing-150: 12px;
    --spacing-200: 16px;
    --spacing-250: 20px;
    --spacing-300: 24px;
    --spacing-350: 28px;
    --spacing-400: 32px;
    --spacing-500: 40px;
    --spacing-550: 44px;
    --spacing-600: 48px;
    --spacing-700: 56px;
    --spacing-800: 64px;
    --spacing-1000: 80px;
    --spacing-1200: 96px;
    --spacing-1500: 120px;

    /* Border Radius (BrandSync) */
    --radius-0: 0px;
    --radius-50: 4px;
    --radius-75: 6px;
    --radius-100: 8px;
    --radius-150: 12px;
    --radius-200: 16px;
    --radius-300: 24px;
    --radius-full: 120px;

    /* Elevation (BrandSync shadows) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--neutral-900);
    background-color: var(--neutral-50);
}

/* Typography */
h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary-default);
    margin-bottom: var(--spacing-600);
}

h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary-default);
    margin-bottom: var(--spacing-500);
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-neutral-default);
    margin-bottom: var(--spacing-400);
}

/* Navbar / Topbar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white;
    border-bottom: 1px solid var(--neutral-200);
    height: 60px;
    display: flex;
    align-items: center;
    padding: var(--spacing-100) var(--spacing-300);
    gap: var(--spacing-500);
    box-shadow: 0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-150);
    text-decoration: none;
    color: var(--neutral-700);
    font-weight: 700;
    font-size: var(--font-size-md);
    flex-shrink: 0;
    height: 44px;
    transition: transform 0.2s ease;
}

.logo:hover {
    text-decoration: none;
    color: var(--neutral-700);
    transform: translateY(-1px);
}

.logo span {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--neutral-700);
    white-space: nowrap;
}

.logo-img {
    height: 44px;
    width: auto;
    flex-shrink: 0;
    display: block;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: background 0.15s;
    padding: var(--spacing-100);
    margin-left: auto;
}

.mobile-menu-toggle:hover {
    background: var(--neutral-50);
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--neutral-700);
    transition: all 0.2s ease;
    border-radius: 2px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-100);
    margin-left: auto;
    flex-shrink: 0;
}

.language-toggle-btn {
    padding: 6px var(--spacing-300);
    font-size: var(--font-size-sm);
    border: 1px solid var(--neutral-300);
    background-color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--neutral-700);
    font-family: inherit;
    min-width: 80px;
    font-weight: 500;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.language-toggle-btn:hover {
    border-color: var(--color-primary-default);
    background-color: var(--color-primary-container);
}

.language-icon {
    font-size: 14px;
    line-height: 1;
}

/* Invoice Container */
.invoice-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-800);
    width: 100%;
    box-sizing: border-box;
}

/* Invoice Content */
.invoice-content {
    background-color: white;
    border-radius: var(--radius-100);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-800);
}

/* Invoice Header */
.invoice-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-800);
    margin-bottom: var(--spacing-800);
    padding-bottom: var(--spacing-600);
    border-bottom: 2px solid var(--color-primary-default);
}

.invoice-header > :first-child {
    grid-column: 1 / 2;
}

.invoice-header > :nth-child(2) {
    grid-column: 1 / 2;
}

.invoice-header > :nth-child(3) {
    grid-column: 2 / 3;
    grid-row: 1;
    align-self: start;
    justify-self: end;
    text-align: right;
}

.organization-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary-default);
    margin-bottom: var(--spacing-200);
}

.organization-info p {
    font-size: var(--font-size-sm);
    color: var(--neutral-700);
    margin-bottom: var(--spacing-50);
    line-height: 1.4;
}

.invoice-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary-default);
    margin-bottom: var(--spacing-400);
}

.invoice-meta .meta-item {
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-200);
    margin-bottom: var(--spacing-200);
}

.meta-label {
    font-weight: 600;
    color: var(--neutral-700);
}

.meta-value {
    color: var(--neutral-900);
    text-align: left;
}

.customer-info h3 {
    font-size: var(--font-size-xl);
    color: var(--color-primary-default);
    font-weight: 700;
    margin-bottom: var(--spacing-300);
}

.customer-info p {
    font-size: var(--font-size-sm);
    color: var(--neutral-700);
    margin-bottom: var(--spacing-50);
    line-height: 1.4;
}

/* Invoice Line Items */
.invoice-line-items {
    margin-bottom: var(--spacing-1000);
}

.line-items-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-400);
}

.line-items-table thead {
    background-color: var(--color-primary-default);
    color: white;
}

.line-items-table th {
    padding: var(--spacing-300) var(--spacing-400);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.line-items-table td {
    padding: var(--spacing-300) var(--spacing-400);
    border-bottom: 1px solid var(--neutral-200);
}

.line-items-table tbody tr:hover {
    background-color: var(--neutral-50);
}

.line-items-table thead tr:hover {
    background-color: var(--color-primary-default);
}

.col-product {
    width: 40%;
    text-align: left;
}

.col-volume {
    width: 15%;
    text-align: center;
}

.col-price {
    width: 25%;
    text-align: center;
}

.col-amount {
    width: 20%;
    text-align: right;
}

.price-unit {
    font-size: var(--font-size-xs);
    color: var(--neutral-600);
    margin-left: var(--spacing-50);
}

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

.font-bold-italic {
    font-weight: 700;
    font-style: italic;
}

/* Invoice Summary */
.invoice-summary {
    background-color: white;
    border: 2px solid var(--color-primary-default);
    border-radius: var(--radius-100);
    padding: var(--spacing-600);
    margin-bottom: var(--spacing-800);
}

.summary-header h3 {
    font-size: var(--font-size-3xl);
    color: var(--color-primary-default);
    margin-bottom: var(--spacing-400);
}

.summary-amount {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-500);
    padding-bottom: var(--spacing-400);
    border-bottom: 1px solid var(--neutral-200);
}

.amount-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--neutral-900);
}

.amount-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary-default);
}

.summary-details {
    margin-bottom: var(--spacing-500);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-200) 0;
}

.detail-label {
    color: var(--neutral-700);
}

.detail-value {
    font-weight: 600;
    color: var(--neutral-900);
}

.summary-ocr {
    padding-top: var(--spacing-400);
    border-top: 1px solid var(--neutral-200);
}

.ocr-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-200) 0;
}

.ocr-label {
    color: var(--neutral-700);
}

.ocr-value {
    font-weight: 600;
    color: var(--neutral-900);
}

/* Payment Methods */
.payment-method-selector h3 {
    margin-bottom: var(--spacing-600);
}

.payment-methods-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-400);
    margin-bottom: var(--spacing-600);
    width: 100%;
    box-sizing: border-box;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

.payment-method-card {
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-100);
    padding: var(--spacing-600);
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background-color: white;
    box-sizing: border-box;
    width: 100%;
    max-width: 280px;
}

.payment-method-card:hover {
    border-color: var(--color-primary-default);
    background-color: var(--color-primary-container);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,.12), 0 2px 4px rgba(0,0,0,.06);
}

.payment-method-card.selected {
    border-color: var(--color-primary-default);
    background-color: var(--color-primary-container);
    box-shadow: 0 4px 12px rgba(0,0,0,.12), 0 2px 4px rgba(0,0,0,.06);
    transform: scale(1.02);
    animation: card-select 0.3s ease;
}

@@keyframes card-select {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1.02); }
}

.payment-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-300);
    display: flex;
    justify-content: center;
    align-items: center;
}

.payment-logo {
    max-width: 80px;
    height: auto;
}

.payment-name {
    font-weight: 600;
    color: var(--neutral-900);
}

.payment-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-600);
}

/* Buttons */
.btn {
    padding: var(--spacing-300) var(--spacing-600);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-100);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-200);
}

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

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

.btn-primary:active {
    background-color: var(--color-primary-pressed);
}

.btn-secondary {
    background-color: var(--neutral-200);
    color: var(--neutral-900);
}

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

/* Loading States */
.spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-primary-container);
    border-top-color: var(--color-primary-default);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-small {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
    gap: var(--spacing-400);
}

/* Home page */
.home-message {
    text-align: center;
    padding: var(--spacing-1500) var(--spacing-800);
}

.home-message h1 {
    margin-bottom: var(--spacing-600);
}

.home-message p {
    font-size: var(--font-size-xl);
    color: var(--neutral-600);
}

/* Invalid link page */
.invalid-link-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
}

.message-container {
    text-align: center;
    padding: var(--spacing-1000);
    background-color: white;
    border-radius: var(--radius-100);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
}

.message-container h1 {
    color: var(--error-600);
    margin-bottom: var(--spacing-600);
}

.message-container p {
    font-size: var(--font-size-lg);
    color: var(--neutral-700);
    margin-bottom: var(--spacing-400);
}

/* Tablet - centered cards with fixed width */
@media (min-width: 768px) and (max-width: 991px) {
    .payment-methods-grid {
        justify-content: center;
        gap: var(--spacing-400);
    }

    .payment-method-card {
        width: 260px;
        max-width: 260px;
    }
}

/* Mobile - Stack everything */
@media (max-width: 767px) {
    /* Navbar mobile */
    .topbar {
        padding: var(--spacing-100) var(--spacing-200);
        gap: var(--spacing-150);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-right {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--neutral-200);
        padding: var(--spacing-200);
        box-shadow: 0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
        justify-content: center;
        opacity: 0;
        transform: translateY(-10px);
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
        margin-left: 0;
    }

    .nav-right.mobile-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .logo span {
        display: none;
    }

    .logo {
        width: 44px;
        overflow: hidden;
    }

    /* Language switcher mobile */
    .language-toggle-btn {
        font-size: 11px !important;
        padding: 4px 10px !important;
        min-width: 60px !important;
        height: 28px !important;
    }

    .invoice-container {
        padding: var(--spacing-400);
    }

    .invoice-header {
        grid-template-columns: 1fr;
        gap: var(--spacing-600);
    }

    .invoice-header > * {
        grid-column: 1 / 2 !important;
        grid-row: auto !important;
        justify-self: start !important;
        text-align: left !important;
    }

    .invoice-details {
        text-align: left;
    }

    .invoice-content {
        padding: var(--spacing-400);
    }

    .line-items-table {
        font-size: var(--font-size-xs);
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .line-items-table thead,
    .line-items-table tbody,
    .line-items-table tr {
        display: table;
        width: 100%;
        table-layout: fixed;
    }

    .line-items-table th,
    .line-items-table td {
        padding: var(--spacing-150) var(--spacing-100);
        font-size: var(--font-size-xs);
    }

    .col-product {
        width: 35%;
    }

    .col-volume {
        width: 15%;
    }

    .col-price {
        width: 28%;
    }

    .col-amount {
        width: 22%;
    }

    .invoice-summary {
        padding: var(--spacing-400);
        font-size: var(--font-size-sm);
    }

    .summary-amount {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-200);
    }

    .amount-value {
        font-size: var(--font-size-2xl);
    }

    .payment-methods-grid {
        gap: var(--spacing-300);
    }

    .payment-method-card {
        padding: var(--spacing-250);
        max-width: 240px;
        width: 240px;
        border-width: 1px;
    }

    .payment-icon {
        font-size: 1.2rem;
        margin-bottom: var(--spacing-100);
    }

    .payment-logo {
        max-width: 45px;
    }

    .payment-name h4 {
        font-size: var(--font-size-sm);
        margin: 0;
    }

    .payment-name h4 {
        font-size: var(--font-size-sm);
    }
}

/* Extra small screens (below 400px) - Even tighter table */
@media (max-width: 400px) {
    .invoice-container {
        padding: var(--spacing-300);
    }

    .invoice-content {
        padding: var(--spacing-300);
    }

    .line-items-table {
        font-size: 0.65rem;
    }

    .line-items-table th,
    .line-items-table td {
        padding: var(--spacing-100) var(--spacing-50);
        font-size: 0.65rem;
        word-break: break-word;
    }

    .col-product {
        width: 32%;
        font-size: 0.6rem;
    }

    .col-volume {
        width: 16%;
    }

    .col-price {
        width: 30%;
        font-size: 0.6rem;
    }

    .col-amount {
        width: 22%;
    }

    .price-unit {
        display: block;
        font-size: 0.55rem;
    }

    .invoice-summary {
        padding: var(--spacing-300);
    }

    .amount-value {
        font-size: var(--font-size-xl);
    }
}