:root {
    /* Dark theme (default) */
    --bg-color: #212529;
    --text-color: #f8f9fa;
    --border-color: #495057;
    --input-bg: #343a40;
    --input-border: #495057;
    --input-text: #f8f9fa;
    --placeholder-color: #adb5bd;
    --section-bg: #343a40;
    --button-bg: #495057;
    --button-hover: #6c757d;
    --button-text: #f8f9fa;
    --button-border: #6c757d;
    --card-bg: #2c3034;
    --text-muted: #adb5bd;
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #212529;
    --border-color: #dee2e6;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-text: #212529;
    --placeholder-color: #999;
    --section-bg: #f8f9fa;
    --button-bg: #e9ecef;
    --button-hover: #dee2e6;
    --button-text: #212529;
    --button-border: #ced4da;
    --card-bg: #ffffff;
    --text-muted: #6c757d;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.page-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 10px; /* Changed from 20px to 10px */
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.container {
    background-color: var(--bg-color);
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    max-width: none;
    margin: 0;
}

[data-theme="dark"] .container {
    background-color: var(--section-bg);
}

/* Header styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 20px;
}

.header-divider {
    border-bottom: 1px solid var(--border-color);
    margin: 8px 0;
}

.page-subtitle {
    color: var(--text-color);
    font-size: 0.9em;
    margin-top: 8px;
    font-weight: normal;
    opacity: 0.8;
}

.header-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 16px;
    color: var(--button-text);
    background-color: var(--button-bg);
    border: 1px solid var(--button-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.theme-toggle:hover {
    background-color: var(--button-hover);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-button {
    display: inline-block;
    padding: 4px 8px;
    background-color: var(--button-bg);
    color: var(--button-text) !important;
    text-decoration: none !important;
    border-radius: 4px;
    font-size: 12px;
    border: 1px solid var(--button-border);
    width: auto;
}

.logout-button:hover {
    background-color: var(--button-hover);
    text-decoration: none !important;
    color: var(--button-text) !important;
}

/* Form styles */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--input-text);
}

button {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

/* Alert messages */
.alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Navigation */
.navigation {
    margin-top: 5px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
}

.selector-container {
    width: 100%;
    max-width: 300px;
}

.company-selector,
.client-selector {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    background-color: var(--input-bg);
    font-size: 14px;
    color: var(--input-text);
}

.company-selector:focus,
.client-selector:focus {
    outline: none;
    border-color: var(--button-hover);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.navigation a {
    color: var(--button-text);
    text-decoration: none;
}

.navigation a:hover {
    text-decoration: none;
}

/* Settings link */
.settings-link, .settings-link.disabled {
    background-color: #495057 !important;
    color: #f8f9fa !important;
    border: 1px solid #343a40 !important;
}

.settings-link:hover {
    background-color: #343a40 !important;
    color: #f8f9fa !important;
}

/* File upload button */
input[type="file"] {
    background: none;
    border: none;
    padding: 0;
    margin-bottom: 6px;
    width: auto;
    height: auto;
}

input[type="file"]::-webkit-file-upload-button,
.file-input-style {
    padding: 4px 8px;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: 1px solid var(--button-border);
    border-radius: 4px;
    cursor: pointer;
    width: auto;
    height: auto;
    margin-bottom: 6px;
    font-size: 12px;
}

input[type="file"]::-webkit-file-upload-button:hover,
.file-input-style:hover {
    background-color: var(--button-hover);
}

/* Override the general input styles for file inputs and submit buttons */
input[type="file"]::-webkit-file-upload-button,
.file-input-style {
    box-sizing: content-box;
    font-size: 14px;
}

/* Add specific styling for the save button */
.file-input-style[value="Save Company Details"] {
    margin-top: 20px;
    margin-bottom: 0;
}

/* Company Details */
.company-details {
    background-color: var(--section-bg);
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 0;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 15px;
}

.logo-placeholder {
    width: 100px;
    height: 100px;
    background-color: var(--button-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.details-content {
    flex-grow: 1;
}

.logo-placeholder-text {
    color: #999;
    font-size: 12px;
    font-style: italic;
}

.logo-upload-info {
    margin-bottom: 10px;
}

.logo-size-info {
    font-size: 12px;
    color: #666;
    margin: 0 0 8px 0;
    font-style: italic;
}

.current-logo {
    margin-top: 10px;
    padding: 10px;
    background-color: var(--section-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.current-logo p {
    margin: 0 0 8px 0;
    font-size: 12px;
    color: #666;
}

.current-logo img {
    display: block;
    margin: 0 auto;
    object-fit: contain;
}

.company-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.detail-item {
    margin: 0.125rem 0;
    display: flex;
    align-items: baseline;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-weight: bold;
    color: var(--text-color);
    margin-right: 4px;
    font-size: 11px;
}

.detail-value {
    color: var(--placeholder-color);
    font-size: 12px;
    font-style: italic;
    line-height: 0.9;
}

.detail-value:empty::before {
    content: attr(data-placeholder);
    color: var(--placeholder-color);
    font-size: 12px;
    font-style: italic;
    line-height: 0.9;
}

/* Client Details */
.client-details {
    background-color: var(--section-bg);
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 0;
    border: 1px solid var(--border-color);
    display: flex;
    gap: 15px;
}

/* Update existing container styles */
.form-container {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Remove the section-specific styles */
.page-container,
.header-section,
.company-section,
.client-section,
.invoice-section {
    /* Remove these styles */
}

input::placeholder {
    color: var(--placeholder-color);
    font-style: italic;
}

input:focus::placeholder {
    color: transparent;
}

input[type="date"],
input[type="number"],
input[type="text"],
input[type="tel"],
input[type="email"] {
    width: 100%;
    padding: 4px 8px;
    margin-bottom: 6px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--input-text);
    background-color: var(--input-bg);
    height: 32px;
    box-sizing: border-box;
}

input[type="date"] {
    width: 150px;
}

[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

input[type="date"]::-webkit-datetime-edit {
    color: var(--input-text);
}

input[type="date"]::-webkit-datetime-edit-fields-wrapper {
    color: var(--input-text);
}

input[type="date"]::-webkit-datetime-edit-text {
    color: var(--input-text);
}

input[type="date"]::-webkit-datetime-edit-month-field,
input[type="date"]::-webkit-datetime-edit-day-field,
input[type="date"]::-webkit-datetime-edit-year-field {
    color: var(--input-text);
}

input[type="date"]::-webkit-inner-spin-button,
input[type="date"]::-webkit-clear-button {
    display: none;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    background-color: var(--input-bg);
    color: var(--input-text);
    cursor: pointer;
    padding: 4px;
    border-radius: 2px;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
    background-color: var(--button-hover);
}

form {
    margin-top: 6px;
}

/* Button container for spaced buttons */
.button-container {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

/* Override margin for buttons in container */
.button-container .file-input-style {
    margin: 0;
    text-decoration: none;
}

/* Invoice form styles */
.invoice-form {
    background-color: var(--section-bg);
    padding: 15px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.invoice-form .form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    align-items: flex-end;
}

.invoice-form .form-group {
    margin-bottom: 0;
    flex: 1;
}

.invoice-form label {
    color: var(--text-color);
    margin-bottom: 4px;
    font-size: 12px;
}

/* Invoice header styles */
.invoice-header {
    display: grid;
    grid-template-columns: 1fr 1fr 32px;
    gap: 20px;
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--section-bg);
    align-items: start;
}

.invoice-fields {
    grid-column: 1 / 3;
    display: flex;
    gap: 20px;
}

.invoice-actions {
    grid-column: 3;
    width: 32px;
    height: 32px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.invoice-header.confirmed {
    background-color: var(--section-bg);
}

.invoice-header.confirmed input {
    background-color: transparent;
    border: none;
    color: var(--text-color);
    opacity: 0.8;
}

.invoice-header input {
    width: 100%;
    padding: 4px 8px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--input-text);
    background-color: var(--input-bg);
    height: 32px;
    box-sizing: border-box;
}

.invoice-header input:read-only {
    background-color: transparent;
    border: none;
    color: var(--text-color);
    opacity: 0.8;
}

.add-to-invoice-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: absolute;
    top: 0;
    left: 0;
    color: white;
    border-radius: 4px;
    background-color: #28a745;
}

.add-to-invoice-btn:hover {
    background-color: #218838;
}

.invoice-header.confirmed .add-to-invoice-btn {
    background-color: #6c757d;
}

.invoice-header.confirmed .add-to-invoice-btn:hover {
    background-color: #5a6268;
}

.line-item {
    display: grid;
    grid-template-columns: 1fr 40px;
    gap: 20px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 10px;
    background-color: var(--section-bg);
}

.line-item-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    background-color: var(--section-bg);
}

.line-item-content .detail-item {
    display: flex;
    flex-direction: row;
    width: 100%;
    text-align: left;
    align-items: baseline;
    gap: 8px;
    margin: 0;
    padding: 0;
    background-color: var(--section-bg);
}

.line-item-content .detail-label {
    font-weight: bold;
    color: var(--text-color);
    text-align: left;
    white-space: nowrap;
    min-width: 80px;
    flex-shrink: 0;
    background-color: var(--section-bg);
}

.line-item-content .detail-value {
    color: var(--text-color);
    text-align: left;
    flex: 1;
    word-break: break-word;
    background-color: var(--section-bg);
}

/* Single definition for confirmed line items */
.line-item.confirmed {
    background-color: var(--section-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    margin-bottom: 0.5rem;
}

.line-item.confirmed .content-wrapper {
    display: flex;
    flex-direction: column;
    background-color: var(--section-bg);
}

.line-item.confirmed .detail-item {
    margin: 0;
    padding: 0;
    font-size: 0.9em;
    line-height: 1.2;
    background-color: var(--section-bg);
}

.line-item.confirmed .detail-label {
    font-weight: 500;
    margin-right: 5px;
    color: var(--text-color);
    background-color: var(--section-bg);
}

.line-item.confirmed .detail-value {
    color: var(--text-color);
    background-color: var(--section-bg);
    opacity: 0.9;
}

.line-item.confirmed .total-cost {
    font-weight: bold;
    color: var(--text-color);
    margin-top: 0.25rem;
    clear: both;
    background-color: var(--section-bg);
}

.line-item.confirmed .line-item-content {
    background-color: var(--section-bg);
}

.line-item.confirmed .line-item-content .detail-item {
    background-color: var(--section-bg);
}

.line-item.confirmed .line-item-content .detail-label {
    background-color: var(--section-bg);
}

.line-item.confirmed .line-item-content .detail-value {
    background-color: var(--section-bg);
    color: var(--text-color);
    opacity: 0.9;
}

/* Add styling for the items container */
#items {
    background-color: var(--section-bg);
    padding: 10px;
    border-radius: 4px;
}

/* Ensure all parent containers have the correct background */
.container,
.page-wrapper,
.form-container,
.invoice-form {
    background-color: var(--section-bg);
}

.line-item-actions {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background-color: var(--section-bg);
    padding: 0;
    margin: 0;
}

.line-item-actions button {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    color: white;
    border-radius: 4px;
    background-color: var(--button-bg);
}

.line-item-actions button:hover {
    background-color: var(--button-hover);
}

.line-item-actions .edit-btn {
    background-color: #007bff;
}

.line-item-actions .edit-btn:hover {
    background-color: #0056b3;
}

.line-item-actions .remove-btn {
    background-color: #dc3545;
}

.line-item-actions .remove-btn:hover {
    background-color: #c82333;
}

[data-theme="dark"] .container,
[data-theme="dark"] #items,
[data-theme="dark"] .line-item,
[data-theme="dark"] .line-item-content,
[data-theme="dark"] .line-item.confirmed,
[data-theme="dark"] .line-item-actions,
[data-theme="dark"] .dialog,
[data-theme="dark"] .dialog-content,
[data-theme="dark"] .card,
[data-theme="dark"] .card-body {
    background-color: var(--section-bg) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .btn-outline-secondary {
    color: var(--button-text) !important;
    border-color: var(--button-border) !important;
    background-color: var(--button-bg) !important;
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--button-hover) !important;
    color: var(--button-text) !important;
}

/* Media Queries for Responsiveness */

@media (max-width: 767.98px) {
    .page-wrapper {
        padding: 5px;
        margin: 0 5px;
        max-width: 100%;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header h1 {
        font-size: 1.8rem; /* Slightly reduce font size for header */
    }
    
    .header .user-info {
        margin-top: 10px;
        width: 100%;
        justify-content: space-between; /* Space out username and logout */
    }
    
    .header .header-buttons {
        margin-top: 10px;
        align-self: flex-end; /* Move theme toggle to the right */
    }

    .company-details, .client-details {
        flex-direction: column;
        align-items: flex-start; 
    }

    .logo-placeholder {
        margin-bottom: 10px;
        align-self: center; 
    }
    
    .edit-client-btn-responsive,
    .edit-business-btn-responsive {
        width: 100% !important;
        max-width: 100% !important;
        margin-top: 16px;
        margin-bottom: 0;
        box-sizing: border-box;
    }

    .client-details .detail-value[data-placeholder] {
        white-space: normal;
        word-break: break-word;
        font-size: 13px;
    }

    .invoice-header {
        grid-template-columns: 1fr; 
        gap: 10px; 
    }

    .invoice-header .invoice-fields {
        flex-direction: column; 
        gap: 10px;
    }
    
    .invoice-header .invoice-actions {
        grid-row: auto; 
        justify-self: end; 
        margin-top: 0; 
    }

    .line-item {
        grid-template-columns: 1fr; 
        gap: 10px;
    }
    
    .line-item-actions {
        flex-direction: row; 
        justify-content: flex-end; 
        gap: 10px; 
    }

    .line-item-actions button {
        width: auto; 
        padding: 8px 12px; 
    }

    .button-container {
        flex-direction: column;
        gap: 10px;
    }
    .button-container .file-input-style { /* Assuming .file-input-style is used as a button */
        width: 100%; 
        text-align: center;
    }
}

@media (max-width: 479.98px) {
    .header h1 {
        font-size: 1.5rem;
    }
    /* Add more specific styles for very small screens if needed */
}

@media (max-width: 600px) {
  .edit-business-btn-responsive {
    display: block !important;
    width: 100% !important;
    margin: 1rem 0 0 0 !important;
    position: static !important;
    text-align: center !important;
    z-index: auto !important;
  }
  .edit-business-btn-responsive.settings-link {
    position: static !important;
  }
  .hide-on-mobile {
    display: none !important;
  }
  .header-logo-container {
    margin-left: 4px;
    margin-right: 12px;
    padding: 8px;
  }
  .header-logo-container .logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
  }
  .header {
    padding: 0.2rem 0 !important;
    min-height: 0 !important;
    margin-bottom: 0 !important;
  }
  .header-logo-container {
    margin: 0 6px 0 0 !important;
    padding: 4px !important;
  }
  .user-info {
    margin-left: 2px !important;
    margin-right: 2px !important;
  }
  .logout-button, .theme-toggle, .user-link {
    margin: 0 2px !important;
  }
  .container {
    padding: 8px !important;
    margin-bottom: 4px !important;
  }
  .custom-navbar {
    margin-bottom: 0.5rem !important;
    padding: 0.2rem 0 !important;
  }
  .navbar, .navbar-nav, .navbar-toggler, .navbar-collapse {
    margin: 0 !important;
    padding: 0 !important;
  }
  .navbar-toggler {
    font-size: 1.1rem !important;
    padding: 4px 8px !important;
    margin: 4px 0 !important;
    min-height: 36px !important;
    min-width: 36px !important;
    border-radius: 6px !important;
  }
  .navbar .container-fluid {
    min-height: 44px !important;
    display: flex !important;
    align-items: center !important;
  }
  .main-action-buttons {
    margin-top: 8px !important;
    margin-bottom: 8px !important;
  }
  .company-details, .client-details {
    margin-bottom: 4px !important;
    padding: 8px !important;
  }
  .details-content {
    padding: 0.5rem !important;
  }
  .logo-upload-info,
  .file-upload-info {
    width: 90vw;
    max-width: 90vw;
    overflow: hidden;
    display: block;
  }
  .logo-upload-info input[type="file"],
  .file-upload-info input[type="file"] {
    width: 90vw;
    max-width: 100%;
    box-sizing: border-box;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

[data-theme="dark"] .company-details,
[data-theme="dark"] .client-details,
[data-theme="dark"] .details-content {
    background-color: var(--section-bg) !important;
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
}

.header-logo-container {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    max-width: 48px;
    max-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: opacity 0.2s;
    opacity: 1;
}

.logo-img:not([src]) {
    opacity: 0;
}

[data-theme="dark"] .accordion,
[data-theme="dark"] .accordion-item,
[data-theme="dark"] .accordion-header,
[data-theme="dark"] .accordion-button {
  background-color: transparent !important;
  border: none !important;
}
[data-theme="dark"] .accordion-button:not(.collapsed) {
  background-color: transparent !important;
  color: var(--text-color) !important;
  box-shadow: none;
}
[data-theme="dark"] .accordion-body {
  background-color: transparent !important;
  color: var(--text-color) !important;
}
[data-theme="dark"] .accordion-button:focus {
  box-shadow: 0 0 0 0.1rem #495057;
}

.accordion-item,
.accordion-header,
.accordion-button {
  border-radius: 8px !important;
  background-color: transparent !important;
}
[data-theme="dark"] .accordion-item,
[data-theme="dark"] .accordion-header,
[data-theme="dark"] .accordion-button {
  border-radius: 8px !important;
}

[data-theme="dark"] .accordion-button.collapsed {
  color: var(--text-color) !important;
}

/* Mobile-specific styles */
@media screen and (max-width: 768px) {
    .invoice-header {
        display: block;
        padding: 8px 8px 2px 8px;
        margin-bottom: 2px;
    }
    .invoice-fields {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    .invoice-fields .form-group {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 0;
    }
    .invoice-fields .form-group label {
        min-width: 100px;
        margin-bottom: 0;
        white-space: nowrap;
        font-size: 1em;
    }
    .invoice-fields .form-group input[type="date"],
    .invoice-fields .form-group input[type="text"] {
        flex: 1 1 0%;
        min-width: 0;
        margin-bottom: 0;
    }
    .invoice-number-group {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .invoice-number-group .add-to-invoice-btn {
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        font-size: 1em;
        margin-left: 0;
        position: static;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
    }
    #invoice-totals {
        margin-top: 2px !important;
        margin-bottom: 2px !important;
        padding: 0 !important;
    }
    #invoice-totals .totals-row {
        margin-bottom: 0 !important;
        margin-top: 0 !important;
        gap: 4px !important;
    }
    #invoice-totals .totals-row:last-child {
        margin-bottom: 0 !important;
    }
}

.header-logo-container {
    flex-shrink: 0;
}
.header-user-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}
@media (max-width: 600px) {
    .header-user-controls {
        gap: 6px;
    }
}

@media (max-width: 768px) {
    .desktop-date,
    .desktop-client,
    .desktop-total,
    .desktop-actions {
        display: none !important;
    }
    
    .mobile-invoice-details {
        display: block !important;
        margin-top: 8px;
        padding: 8px;
        background: var(--section-bg);
        border-radius: 4px;
    }
    
    .mobile-invoice-details > div {
        margin-bottom: 4px;
    }
    
    .mobile-invoice-details > div:last-child {
        margin-bottom: 0;
    }
    
    .mobile-btn-group {
        display: flex;
        gap: 8px;
        margin-top: 8px;
    }
    
    .mobile-btn-group .btn {
        flex: 1;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-label {
        font-weight: 600;
        color: var(--text-color);
    }
    
    .invoice-number-cell {
        width: 100%;
    }
    
    .invoice-number-text {
        display: none;
    }
}