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

:root {
    /* Material-UI Color Palette */
    --primary-main: #1976d2;
    --primary-dark: #115293;
    --primary-light: #42a5f5;
    --secondary-main: #dc004e;
    --error-main: #d32f2f;
    --warning-main: #ed6c02;
    --info-main: #0288d1;
    --success-main: #2e7d32;
    
    /* Background Colors */
    --background-default: #fafafa;
    --background-paper: #ffffff;
    --background-hover: rgba(0, 0, 0, 0.04);
    
    /* Text Colors */
    --text-primary: rgba(0, 0, 0, 0.87);
    --text-secondary: rgba(0, 0, 0, 0.6);
    --text-disabled: rgba(0, 0, 0, 0.38);
    
    /* Border Colors */
    --divider: rgba(0, 0, 0, 0.12);
    --border-color: rgba(0, 0, 0, 0.23);
    
    /* Shadows */
    --shadow-1: 0px 2px 1px -1px rgba(0,0,0,0.2), 0px 1px 1px 0px rgba(0,0,0,0.14), 0px 1px 3px 0px rgba(0,0,0,0.12);
    --shadow-2: 0px 3px 1px -2px rgba(0,0,0,0.2), 0px 2px 2px 0px rgba(0,0,0,0.14), 0px 1px 5px 0px rgba(0,0,0,0.12);
    --shadow-4: 0px 2px 4px -1px rgba(0,0,0,0.2), 0px 4px 5px 0px rgba(0,0,0,0.14), 0px 1px 10px 0px rgba(0,0,0,0.12);
    
    /* Typography */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-h4: 2.125rem;
    --font-size-h5: 1.5rem;
    --font-size-h6: 1.25rem;
    --font-size-body1: 1rem;
    --font-size-body2: 0.875rem;
    --font-size-caption: 0.75rem;
    
    /* Spacing */
    --spacing-1: 8px;
    --spacing-2: 16px;
    --spacing-3: 24px;
    --spacing-4: 32px;
    
    /* Border Radius */
    --border-radius: 4px;
    --border-radius-lg: 8px;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-default);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-2);
}

/* Navigation Bar */
.navbar {
    background-color: var(--primary-main);
    color: white;
    box-shadow: var(--shadow-2);
    position: sticky;
    top: 0;
    z-index: 1100;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-2);
    max-width: 1200px;
    margin: 0 auto;
    height: 64px;
}

.navbar-title {
    font-size: var(--font-size-h6);
    font-weight: 500;
    margin: 0;
}

.navbar-nav {
    display: flex;
    gap: var(--spacing-1);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-2);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    font-size: var(--font-size-body2);
    font-weight: 500;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item .material-icons {
    font-size: 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-3) 0;
}

/* Typography */
.page-title {
    font-size: var(--font-size-h4);
    font-weight: 400;
    margin-bottom: var(--spacing-3);
    color: var(--text-primary);
}

.section-title {
    font-size: var(--font-size-h6);
    font-weight: 500;
    margin-bottom: var(--spacing-2);
    color: var(--text-primary);
}

/* Cards */
.card {
    background-color: var(--background-paper);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-1);
    overflow: hidden;
    margin-bottom: var(--spacing-3);
}

.card-header {
    padding: var(--spacing-2);
    border-bottom: 1px solid var(--divider);
    background-color: var(--background-paper);
}

.card-content {
    padding: var(--spacing-2);
}

.card-actions {
    padding: var(--spacing-1) var(--spacing-2);
    border-top: 1px solid var(--divider);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-1);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-3);
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Dashboard Specific Grid Classes */
.dashboard-row-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.dashboard-row-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
    .dashboard-row-1 {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-row-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .dashboard-row-2 {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 767px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

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

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

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

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

.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }

/* Spacing Utilities */
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }

.p-1 { padding: var(--spacing-1); }
.p-2 { padding: var(--spacing-2); }
.p-3 { padding: var(--spacing-3); }

/* Visibility */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    padding: 6px 16px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-body2);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 64px;
    height: 36px;
    text-transform: uppercase;
    letter-spacing: 0.02857em;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-2);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #b71c1c;
    box-shadow: var(--shadow-2);
}

.btn-outlined {
    background-color: transparent;
    color: var(--primary-main);
    border: 1px solid var(--primary-main);
}

.btn-outlined:hover:not(:disabled) {
    background-color: rgba(25, 118, 210, 0.04);
}

.btn-text {
    background-color: transparent;
    color: var(--primary-main);
    border: none;
}

.btn-text:hover:not(:disabled) {
    background-color: rgba(25, 118, 210, 0.04);
}

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

.btn-error:hover:not(:disabled) {
    background-color: #c62828;
    box-shadow: var(--shadow-2);
}

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

.btn-success:hover:not(:disabled) {
    background-color: #1b5e20;
    box-shadow: var(--shadow-2);
}

.btn-small {
    padding: 4px 10px;
    height: 30px;
    font-size: 0.8125rem;
}

.btn-large {
    padding: 8px 22px;
    height: 42px;
    font-size: 0.9375rem;
}

/* Modern button styles */
.modern-btn {
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid #1976d2;
    background-color: white;
    color: #1976d2;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: auto;
    min-height: 44px;
}

.modern-btn:hover:not(:disabled) {
    background-color: #1976d2;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(25, 118, 210, 0.3);
}

.modern-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.2);
}

.modern-btn .material-icons {
    font-size: 20px;
    transition: color 0.3s ease;
}

.modern-btn .btn-text {
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 4px;
    transition: color 0.3s ease;
}

.modern-btn-primary {
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: #2e7d32 !important;
    color: white !important;
    box-shadow: 0 3px 6px rgba(46, 125, 50, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: auto;
    min-height: 44px;
}

.modern-btn-primary:hover:not(:disabled) {
    background-color: #1b5e20 !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(46, 125, 50, 0.4);
}

.modern-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 3px 6px rgba(46, 125, 50, 0.3);
}

.modern-btn-primary .material-icons {
    font-size: 20px;
    color: white !important;
}

.modern-btn-primary .btn-text {
    font-size: 0.8rem;
    font-weight: 700;
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Standard consistent button styling */
.btn-standard {
    padding: 10px 16px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: none;
    letter-spacing: 0.02em;
    border: 1px solid #d1d5db;
    background-color: white;
    color: #374151;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
    height: 40px;
    min-width: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-standard:hover:not(:disabled) {
    background-color: #f9fafb;
    border-color: #9ca3af;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-standard:active {
    background-color: #f3f4f6;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-standard.btn-primary {
    background-color: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

.btn-standard.btn-primary:hover:not(:disabled) {
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-standard .material-icons {
    font-size: 18px;
}

/* Button group layout */
.button-group {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    position: relative;
    clear: both;
    float: none;
    contain: layout;
}

.button-group .btn-standard {
    flex: 0 0 auto;
    min-width: 100px;
    max-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 8px;
}

.button-group .btn-standard:last-child {
    margin-right: 0;
}

/* Responsive button layout */
@media (max-width: 768px) {
    .button-group {
        flex-direction: column;
        gap: 6px;
    }

    .button-group .btn-standard {
        width: 100%;
        max-width: none;
        min-width: auto;
    }
}

/* Ensure container doesn't overflow */
.form-group {
    overflow: visible;
}

/* Form row improvements */
.form-row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    flex-wrap: wrap;
    width: 100%;
    min-width: 0;
    clear: both;
    position: relative;
}

.form-row .form-group {
    flex-shrink: 0;
    position: relative;
}

/* Card content overflow handling */
.card-content {
    overflow: visible;
    min-width: 0;
    width: 100%;
    position: relative;
    contain: layout;
}

.card-content::after {
    content: "";
    display: table;
    clear: both;
}

/* Form Controls */
.form-group {
    margin-bottom: var(--spacing-2);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-1);
    font-size: var(--font-size-body2);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 16.5px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-body1);
    background-color: var(--background-paper);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-main);
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.2);
}

.form-control:disabled {
    background-color: var(--background-hover);
    color: var(--text-disabled);
}

.form-control.error {
    border-color: var(--error-main);
}

.form-control.error:focus {
    border-color: var(--error-main);
    box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.2);
}

.form-error {
    color: var(--error-main);
    font-size: var(--font-size-caption);
    margin-top: 4px;
}

/* Dropdown container styles */
.dropdown-container {
    position: relative;
}

.dropdown-container select {
    margin-bottom: 5px;
}

.dropdown-container input[type="text"] {
    font-size: var(--font-size-body2);
    padding: 12px 14px;
    border: 1px solid var(--border-light);
    background-color: var(--background-hover);
    border-radius: var(--border-radius);
}

.dropdown-container input[type="text"]:focus {
    background-color: var(--background-paper);
    border-color: var(--primary-main);
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2);
}

/* Tables */
.table-container {
    background-color: var(--background-paper);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-1);
    overflow: hidden;
}

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

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--divider);
    vertical-align: middle;
}

.table th {
    background-color: var(--background-hover);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-body2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

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

.table tbody tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}

.table tbody tr:nth-child(even):hover {
    background-color: var(--background-hover);
}

/* Modern table styling for reports */
.reports-table {
    width: 100%;
    overflow-x: auto;
}

.reports-table .table-container {
    width: 100%;
    max-height: 70vh;
    overflow: auto;
    border: 1px solid var(--divider);
    border-radius: var(--border-radius-lg);
    position: relative;
}

/* Scroll indicators */
.reports-table .table-container::after {
    content: '← Scroll horizontally to see all columns →';
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(25, 118, 210, 0.1);
    color: var(--primary-main);
    text-align: center;
    padding: 8px;
    font-size: 11px;
    font-weight: 500;
    border-top: 1px solid var(--divider);
    display: block;
}

@media (min-width: 1400px) {
    .reports-table .table-container::after {
        display: none;
    }
}

/* Standardize chip sizes in reports table */
.reports-table .chip {
    height: 24px !important;
    padding: 0 8px !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    line-height: 1 !important;
    white-space: nowrap !important;
    border-radius: 12px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    min-width: auto !important;
    max-width: none !important;
}

/* Ensure consistent chip sizing across all screen sizes */
@media (max-width: 1200px) {
    .reports-table .chip {
        height: 22px !important;
        padding: 0 6px !important;
        font-size: 10px !important;
        border-radius: 11px !important;
    }
}

@media (max-width: 768px) {
    .reports-table .chip {
        height: 20px !important;
        padding: 0 6px !important;
        font-size: 9px !important;
        border-radius: 10px !important;
    }
}

/* Additional specificity for billing type and status columns */
.reports-table .table td:nth-child(10) .chip, /* Billing Type column */
.reports-table .table td:nth-child(11) .chip { /* Status column */
    font-family: var(--font-family) !important;
    font-style: normal !important;
    font-variant: normal !important;
    text-transform: none !important;
    letter-spacing: normal !important;
}

.reports-table .table {
    width: 100%;
    min-width: 1400px; /* Increased width to accommodate Invoice No. column */
    table-layout: fixed; /* Fixed layout for better control */
}

.reports-table .table th {
    font-size: 10px;
    padding: 8px 6px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.reports-table .table td {
    padding: 8px 6px;
    font-size: 12px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

/* Specific column widths for better fit */
.reports-table .table th:nth-child(1), /* No. */
.reports-table .table td:nth-child(1) {
    width: 40px;
    text-align: center;
}

.reports-table .table th:nth-child(2), /* Date */
.reports-table .table td:nth-child(2) {
    width: 80px;
    text-align: center;
}

.reports-table .table th:nth-child(3), /* Customer Name */
.reports-table .table td:nth-child(3) {
    width: 180px;
}

.reports-table .table th:nth-child(4), /* Customer ID */
.reports-table .table td:nth-child(4) {
    width: 80px;
    text-align: center;
}

.reports-table .table th:nth-child(5), /* Agreement No */
.reports-table .table td:nth-child(5) {
    width: 100px;
    text-align: center;
}

.reports-table .table th:nth-child(6), /* Product */
.reports-table .table td:nth-child(6) {
    width: 100px;
    text-align: center;
}

.reports-table .table th:nth-child(7), /* Balance Installment */
.reports-table .table td:nth-child(7) {
    width: 80px;
    text-align: center;
}

.reports-table .table th:nth-child(8), /* Deposit Installment */
.reports-table .table td:nth-child(8) {
    width: 80px;
    text-align: center;
}

.reports-table .table th:nth-child(9), /* Monthly Amount */
.reports-table .table td:nth-child(9) {
    width: 100px;
    text-align: right;
}

.reports-table .table th:nth-child(10), /* Invoice No. */
.reports-table .table td:nth-child(10) {
    width: 140px;
    text-align: center;
}

.reports-table .table th:nth-child(11), /* Billing Type */
.reports-table .table td:nth-child(11) {
    width: 140px;
    text-align: center;
}

.reports-table .table th:nth-child(12), /* Status */
.reports-table .table td:nth-child(12) {
    width: 100px;
    text-align: center;
}

/* Responsive adjustments */
@media (max-width: 1600px) {
    .reports-table .table {
        min-width: 1200px;
    }

    .reports-table .table th:nth-child(3),
    .reports-table .table td:nth-child(3) {
        width: 150px;
    }
}

@media (max-width: 1400px) {
    .reports-table .table {
        min-width: 1100px;
    }
}

@media (max-width: 1200px) {
    .reports-table .table {
        min-width: 1000px;
    }

    .reports-table .table th,
    .reports-table .table td {
        font-size: 11px;
        padding: 6px 4px;
    }
}

.table-actions {
    display: flex;
    gap: var(--spacing-1);
    align-items: center;
}

/* Chips */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    height: 32px;
    border-radius: 16px;
    font-size: var(--font-size-body2);
    font-weight: 500;
    background-color: var(--background-hover);
    color: var(--text-primary);
}

.chip-primary {
    background-color: rgba(25, 118, 210, 0.12);
    color: var(--primary-main);
}

.chip-secondary {
    background-color: rgba(220, 0, 78, 0.12);
    color: var(--secondary-main);
}

.chip-success {
    background-color: rgba(46, 125, 50, 0.12);
    color: var(--success-main);
}

.chip-warning {
    background-color: rgba(237, 108, 2, 0.12);
    color: var(--warning-main);
}

.chip-error {
    background-color: rgba(211, 47, 47, 0.12);
    color: var(--error-main);
}

.chip-info {
    background-color: rgba(2, 136, 209, 0.12);
    color: var(--info-main);
}

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: 12px 16px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-body2);
    max-width: 600px;
    width: auto;
    position: fixed !important;
    top: 80px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    z-index: 9999 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin: 0 !important;
}

.alert-success {
    background-color: rgba(46, 125, 50, 0.12);
    color: var(--success-main);
    border: 1px solid rgba(46, 125, 50, 0.2);
}

.alert-error {
    background-color: rgba(211, 47, 47, 0.12);
    color: var(--error-main);
    border: 1px solid rgba(211, 47, 47, 0.2);
}

.alert-warning {
    background-color: rgba(237, 108, 2, 0.12);
    color: var(--warning-main);
    border: 1px solid rgba(237, 108, 2, 0.2);
}

.alert-info {
    background-color: rgba(2, 136, 209, 0.12);
    color: var(--info-main);
    border: 1px solid rgba(2, 136, 209, 0.2);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-close:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

/* Loading Spinner */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--divider);
    border-top: 4px solid var(--primary-main);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-2);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.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: 1300;
    padding: var(--spacing-2);
}

.modal {
    background-color: var(--background-paper);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-4);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-2);
    border-bottom: 1px solid var(--divider);
}

.modal-header h2 {
    margin: 0;
    font-size: var(--font-size-h6);
    font-weight: 500;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

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

.modal-content {
    padding: var(--spacing-2);
    flex: 1;
    overflow-y: auto;
}

.modal-actions {
    padding: var(--spacing-2);
    border-top: 1px solid var(--divider);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-1);
}

/* Icon Buttons */
.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background-color 0.2s ease;
}

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

.icon-btn.primary {
    color: var(--primary-main);
}

.icon-btn.error {
    color: var(--error-main);
}

.icon-btn.success {
    color: var(--success-main);
}

.icon-btn.info {
    color: var(--info-main);
}

/* Search Box */
.search-box {
    position: relative;
    margin-bottom: var(--spacing-2);
}

.search-box .form-control {
    padding-left: 48px;
}

.search-box .material-icons {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2);
    border-top: 1px solid var(--divider);
}

.pagination-info {
    color: var(--text-secondary);
    font-size: var(--font-size-body2);
    margin-right: auto;
}

.pagination-btn {
    background: none;
    border: 1px solid var(--border-color);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: var(--font-size-body2);
    transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--background-hover);
}

.pagination-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.pagination-btn.active {
    background-color: var(--primary-main);
    color: white;
    border-color: var(--primary-main);
}

/* Badge Classes */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 0.25rem;
    text-transform: uppercase;
}

.badge.success {
    background-color: var(--success-light);
    color: var(--success-dark);
}

.badge.warning {
    background-color: var(--warning-light);
    color: var(--warning-dark);
}

.badge.error {
    background-color: var(--error-light);
    color: var(--error-dark);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-3 { margin-top: var(--spacing-3); }

/* Button row overflow prevention */
.card-content > div[style*="display: flex"] {
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

/* Reports page button container */
.card-content .btn-standard {
    flex-shrink: 1;
    min-width: 70px;
    max-width: 130px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Special styling for Create Invoice button */
.card-content .btn-standard.btn-primary {
    min-width: 160px;
    max-width: 200px;
}

/* Invoice number editing styles */
.invoice-number-cell.editable {
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.invoice-number-cell.editable:hover {
    background: #f0f8ff !important;
    border: 1px solid #2196f3;
    transform: scale(1.02);
}

.invoice-number-cell.editable:active {
    transform: scale(0.98);
}

/* Editing state styles */
.invoice-number-cell.editing {
    background: #fff !important;
    border: 2px solid #2196f3 !important;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

/* File Upload Modal Styles */
.modal {
    position: fixed !important;
    z-index: 1000;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
    margin: auto !important;
    position: relative;
    transform: none !important;
}

/* Enhanced file upload modal styling */
.file-upload-modal-content {
    max-height: 85vh;
    overflow-y: auto;
}

.file-upload-modal-content .modal-header .close:hover {
    color: #1976d2;
    transform: scale(1.1);
}

.upload-section {
    transition: all 0.3s ease;
}

.upload-section:hover {
    border-color: #1976d2 !important;
    background-color: #f0f8ff !important;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 16px;
    border-bottom: 1px solid #e0e0e0;
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-header .close {
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    background: none;
    border: none;
}

.modal-header .close:hover {
    color: #000;
}

.modal-body {
    padding: 24px;
}

/* Progress Bar Styles */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-main);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

#upload-status {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
}

/* File Item Styles */
.file-item {
    transition: all 0.2s ease;
    cursor: pointer;
}

.file-item:hover {
    background-color: #f0f8ff;
    border-color: #1976d2 !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.file-item:active {
    transform: translateY(0);
}

.file-actions {
    display: flex;
    gap: 4px;
}

.btn-small {
    padding: 4px 8px;
    font-size: 12px;
    min-width: auto;
}

.btn-small .material-icons {
    font-size: 16px;
}

.btn-danger {
    background-color: #f44336;
    color: white;
    border-color: #f44336;
}

.btn-danger:hover {
    background-color: #d32f2f;
    border-color: #d32f2f;
}

/* Form text helper */
.form-text {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* File input styling */
input[type="file"] {
    padding: 12px;
    border: 2px dashed #ddd;
    border-radius: 6px;
    background-color: #fafafa;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 1rem;
    color: #333;
}

input[type="file"]:hover {
    border-color: var(--primary-main);
    background-color: #f0f8ff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.1);
}

input[type="file"]:focus {
    outline: none;
    border-color: var(--primary-main);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
    background-color: #f0f8ff;
}

/* Enhanced button styling for modal */
.file-upload-modal-content .btn {
    transition: all 0.2s ease;
    border-radius: 6px;
    font-weight: 500;
}

.file-upload-modal-content .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.file-upload-modal-content .btn-primary {
    background: linear-gradient(135deg, #1976d2, #1565c0);
    border: none;
}

.file-upload-modal-content .btn-primary:hover {
    background: linear-gradient(135deg, #1565c0, #0d47a1);
}

/* Files container styling */
#files-container:empty::before {
    content: "No files uploaded yet. Select a file above to get started.";
    color: #999;
    font-style: italic;
    display: block;
    text-align: center;
    padding: 20px;
}

/* Inline file upload styling */
.file-drop-zone {
    transition: all 0.3s ease !important;
}

.file-drop-zone:hover {
    border-color: #1976d2 !important;
    background-color: #f0f8ff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.1);
}

.file-drop-zone.dragover {
    border-color: #1976d2 !important;
    background-color: #e3f2fd !important;
    transform: scale(1.02);
}

.attachments-section {
    border-top: 1px solid #e0e0e0;
    padding-top: 32px;
}

.file-item:last-child {
    border-bottom: none !important;
}

.btn-icon:hover {
    transform: scale(1.1);
}

/* Progress bar animation */
.progress-fill {
    transition: width 0.3s ease;
}

/* File type icons styling */
.file-item .material-icons {
    transition: color 0.2s ease;
}

.file-item:hover .material-icons {
    color: #1565c0 !important;
}