/* CSS Custom Properties for Color Scheme */
:root {
    --primary-color: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #4CAF50;
    --primary-lighter: #C8E6C9;
    --primary-hover: #388E3C;
    --secondary-color: #D32F2F;
    --background-color: #F1F8E9;
    --table-background: #FFFFFF;
    --text-color: #212121;
    --border-color: #E0E0E0;
    --light-gray: #F5F5F5;
    --dark-gray: #757575;
    --success-light: #E8F5E8;
    --error-light: #FFEBEE;
    --warning-color: #FF9800;
    --info-color: #2196F3;
    --hover-green: #E8F5E8;
    --hover-green-dark: #A5D6A7;
    --disabled-color: #BDBDBD;
    --disabled-background: #F5F5F5;
    --disabled-text: #9E9E9E;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.header-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-color);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.3);
    transition: all 0.3s ease;
}

.btn-secondary {
    background-color: var(--dark-gray);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 142, 60, 0.3);
    transition: all 0.3s ease;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    background-color: var(--hover-green);
    border-color: var(--primary-color);
    color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.2);
    transition: all 0.3s ease;
}

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

.btn-danger:hover {
    background-color: #B71C1C;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    background-color: var(--disabled-background);
    color: var(--disabled-text);
    border-color: var(--disabled-color);
}

/* Disabled field styling */
.field-disabled {
    background-color: var(--disabled-background) !important;
    color: var(--disabled-text) !important;
    border-color: var(--disabled-color) !important;
    cursor: not-allowed !important;
}

/* Export Dropdown */
.export-dropdown {
    position: relative;
    display: inline-block;
}

.export-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.export-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.export-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: none;
    font-family: inherit;
    font-size: var(--font-size-base);
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: var(--text-color);
}

.export-option:first-child {
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.export-option:last-child {
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.export-option:hover {
    background-color: var(--hover-green);
    color: var(--primary-dark);
}

.dropdown-arrow {
    margin-left: var(--spacing-xs);
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.export-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

/* Controls Section */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
    background-color: var(--table-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    transition: all 0.3s ease;
}

.controls:hover {
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.1);
}

.search-container {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-container:hover {
    /* No movement effects */
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    transition: border-color 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
    transition: all 0.3s ease;
}

.search-input:hover {
    border-color: var(--primary-light);
    transition: all 0.3s ease;
}

.search-icon {
    position: absolute;
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-gray);
    width: 18px;
    height: 18px;
}

.filter-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    background-color: white;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
    transition: all 0.3s ease;
}

.filter-select:hover {
    border-color: var(--primary-light);
    transition: all 0.3s ease;
}

/* Date Range Filter */
.date-range-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.date-range-inputs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.date-range-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    background-color: white;
    min-width: 140px;
}

.date-range-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
    transition: all 0.3s ease;
}

.date-range-input:hover {
    border-color: var(--primary-light);
    transition: all 0.3s ease;
}

.date-separator {
    color: var(--dark-gray);
    font-weight: 500;
    white-space: nowrap;
}

.clear-dates-btn {
    padding: var(--spacing-sm);
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Stats */
.stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background-color: var(--hover-green);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.15);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
    font-weight: 500;
}

.stat-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-color);
}

.stat-paid {
    color: var(--primary-color);
}

.stat-unpaid {
    color: var(--secondary-color);
}

/* Table Container */
.table-container {
    background-color: var(--table-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
}

.table-container:hover {
    box-shadow: 0 8px 25px rgba(46, 125, 50, 0.1);
}

/* Table */
.orders-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
    table-layout: fixed;
}

.orders-table th {
    background-color: var(--light-gray);
    color: var(--text-color);
    font-weight: 600;
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    position: relative;
    white-space: nowrap;
}

.orders-table th:last-child {
    width: 100px;
    text-align: center;
}

.orders-table th:hover {
    background-color: var(--hover-green);
    color: var(--primary-dark);
    transition: all 0.3s ease;
}

.sort-icon {
    width: 16px;
    height: 16px;
    margin-left: var(--spacing-xs);
    opacity: 0.5;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.orders-table th.sort-asc .sort-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.orders-table th.sort-desc .sort-icon {
    opacity: 1;
    transform: rotate(180deg);
}

.orders-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    overflow: hidden;
}

.orders-table tr:nth-child(even) {
    background-color: #FAFAFA;
}

.orders-table tr:hover {
    background-color: var(--hover-green) !important;
    box-shadow: 0 2px 8px rgba(46, 125, 50, 0.1);
    transition: all 0.3s ease;
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
}

.status-paid {
    background-color: #cef0ce;
    color: var(--primary-color);
}

.status-unpaid {
    background-color: var(--error-light);
    color: var(--secondary-color);
}

.status-icon {
    width: 16px;
    height: 16px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    min-width: 80px;
}

.action-btn {
    padding: var(--spacing-xs);
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background-color: var(--hover-green);
    transform: scale(1.1);
    transition: all 0.3s ease;
}

.action-btn.edit:hover {
    background-color: var(--primary-lighter);
    color: var(--primary-dark);
}

.action-btn.delete:hover {
    background-color: var(--error-light);
    color: var(--secondary-color);
    transform: scale(1.1);
}

.action-btn.edit {
    color: var(--info-color);
}

.action-btn.delete {
    color: var(--secondary-color);
}

/* Empty State */
.empty-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
}

.empty-icon {
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-icon i {
    width: 64px;
    height: 64px;
    color: var(--dark-gray);
}

.empty-state h3 {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--dark-gray);
    opacity: 0.8;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 650px;
    width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal {
    transform: scale(1) translateY(0);
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2,
.modal-header h3 {
    margin: 0;
    color: var(--text-color);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s ease;
}

.modal-close:hover {
    background-color: var(--light-gray);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-form {
    padding: var(--spacing-lg);
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--text-color);
}

/* Conditional required styling - NEW */
.conditional-required {
    color: var(--secondary-color);
    display: none;
}

.field-note {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

.form-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-input:disabled {
    background-color: var(--disabled-background);
    color: var(--disabled-text);
    border-color: var(--disabled-color);
    cursor: not-allowed;
}

.date-input-container {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.today-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Partner Management */
.partner-add-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.partner-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr min-content;
    gap: var(--spacing-md);
    align-items: end;
    min-width: 0;
    overflow: hidden;
}

@media (max-width: 600px) {
    .partner-form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .partners-grid {
        grid-template-columns: 1fr;
    }
}

.partners-list h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.partners-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.partner-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--light-gray);
    border-radius: var(--border-radius-md);
    transition: background-color 0.2s ease;
}

.partner-item:hover {
    background-color: var(--hover-green);
}

.partner-info {
    display: flex;
    flex-direction: column;
}

.partner-name {
    font-weight: 500;
    color: var(--text-color);
}

.partner-id {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
}

.no-partners {
    text-align: center;
    color: var(--dark-gray);
    font-style: italic;
    padding: var(--spacing-xl);
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 1100;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 400px;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-left: 4px solid var(--primary-color);
}

.notification-error {
    border-left: 4px solid var(--secondary-color);
}

.notification-info {
    border-left: 4px solid var(--info-color);
}

.notification i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.notification-success i {
    color: var(--primary-color);
}

.notification-error i {
    color: var(--secondary-color);
}

.notification-info i {
    color: var(--info-color);
}

.notification span {
    flex: 1;
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.notification-close:hover {
    background-color: var(--light-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .header-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    .search-container {
        min-width: unset;
    }

    .stats {
        justify-content: center;
        text-align: center;
    }

    .orders-table {
        font-size: var(--font-size-sm);
    }

    .orders-table th,
    .orders-table td {
        padding: var(--spacing-sm);
    }

    .form-grid {
        grid-template-columns: 1fr;
    }


    .date-input-container {
        flex-direction: column;
        align-items: stretch;
    }

    .date-range-inputs {
        flex-direction: column;
        align-items: stretch;
    }

    .form-actions {
        flex-direction: column;
    }

    .notification {
        right: 10px;
        left: 10px;
        max-width: unset;
    }
}

@media (max-width: 480px) {
    .orders-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .btn {
        font-size: var(--font-size-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .modal {
        width: 95vw;
        margin: var(--spacing-sm);
    }
}

/* Show More Container */
.show-more-container {
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    background-color: var(--light-gray);
}

.footer p {
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Print Styles */
@media print {
    .header-actions,
    .controls,
    .action-buttons,
    .modal-overlay,
    .notification {
        display: none !important;
    }

    .container {
        max-width: none;
        padding: 0;
    }

    .table-container {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }

    .orders-table tr:hover {
        background-color: transparent !important;
    }
}