/* ===================================
   Don Carlos POS - Design System
   =================================== */

:root {
    /* Colors */
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #242424;
    --bg-card: #1e1e1e;
    --border-color: #2a2a2a;
    --border-light: #333333;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    --accent-primary: #F59E0B;
    --accent-hover: #D97706;
    --accent-light: #FCD34D;

    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===================================
   Header
   =================================== */

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: opacity var(--transition-base);
}

.logo:hover {
    opacity: 0.8;
}

.logo-image {
    width: 40px;
    height: 40px;
}

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

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-link svg {
    width: 18px;
    height: 18px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.nav-link.active svg {
    stroke: var(--accent-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 240px;
}

.search-box svg {
    width: 16px;
    height: 16px;
    stroke: #666;
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    width: 100%;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.btn-backup {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.btn-backup:hover {
    background: var(--bg-card);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-backup svg {
    width: 20px;
    height: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

/* ===================================
   Page Navigation
   =================================== */

.page-content {
    display: none;
}

.page-content.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

/* ===================================
   Main Content
   =================================== */

.main-content {
    flex: 1;
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    width: 100%;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2xl);
}

.page-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
}

.tab-buttons {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.tab-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.tab-content {
    display: none;
    animation: fadeIn var(--transition-base);
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Transaction Form
   =================================== */

.transaction-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.form-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    grid-column: span 1;
}

.form-group:nth-child(1),
.form-group:nth-child(2) {
    grid-column: span 1;
}

.form-group:nth-child(3) {
    grid-column: span 2;
}

.form-group:nth-child(4) {
    grid-column: span 1;
}

.form-group:nth-child(5),
.form-group:nth-child(6) {
    grid-column: span 1;
}

.form-group-btn {
    grid-column: span 1;
}

.form-group label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.form-input,
.form-select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    transition: all var(--transition-base);
    height: 40px;
    width: 100%;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.btn-record {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    height: 40px;
    white-space: nowrap;
}

.btn-record:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-record:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-light);
}

/* ===================================
   Transactions Section
   =================================== */

.transactions-section {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.btn-export {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--accent-primary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
}

.btn-export:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.btn-export-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

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

.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.transactions-table,
.monthly-table,
.yearly-table {
    width: 100%;
    border-collapse: collapse;
}

.transactions-table thead,
.monthly-table thead,
.yearly-table thead {
    background: var(--bg-tertiary);
}

.transactions-table th,
.monthly-table th,
.yearly-table th {
    text-align: left;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}

.transactions-table td,
.monthly-table td,
.yearly-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.transactions-table tbody tr:hover,
.monthly-table tbody tr:hover,
.yearly-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.transactions-table tbody tr:last-child td,
.monthly-table tbody tr:last-child td,
.yearly-table tbody tr:last-child td {
    border-bottom: none;
}

.payment-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.payment-badge.mpesa {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.payment-badge.cash {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    gap: var(--spacing-md);
}

.empty-state p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-weight: 600;
}

.empty-state span {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.empty-state.hidden {
    display: none;
}

/* ===================================
   Daily Total Card
   =================================== */

.daily-total-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.total-icon {
    width: 64px;
    height: 64px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.total-info h4 {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.total-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-style: italic;
}

.total-amount {
    margin-left: auto;
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
}

.total-amount .currency {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-weight: 600;
}

.total-amount .amount {
    font-size: var(--font-size-4xl);
    color: var(--text-primary);
    font-weight: 800;
}

/* ===================================
   Monthly Tab
   =================================== */

.monthly-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.monthly-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.monthly-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.monthly-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.month-selector,
.year-selector {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    min-width: 160px;
}

.monthly-stats {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.stat-card h4 {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.stat-value {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stat-value .currency {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-weight: 600;
}

.stat-value span:last-child {
    font-size: var(--font-size-3xl);
    color: var(--accent-primary);
    font-weight: 800;
}

.stat-meta {
    display: flex;
    gap: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.stat-meta>div {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.meta-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.meta-value {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.stat-card-payment h4 {
    margin-bottom: var(--spacing-lg);
}

.payment-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.payment-item {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.payment-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.payment-bar-fill {
    height: 100%;
    background: var(--accent-primary);
    transition: width var(--transition-slow);
}

.payment-bar-mpesa {
    background: var(--success);
}

.monthly-table-section,
.yearly-table-section {
    margin-top: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.text-right {
    text-align: right !important;
}

.text-center {
    text-align: center !important;
}

/* ===================================
   Yearly Tab
   =================================== */

.yearly-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.yearly-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.yearly-title .highlight {
    color: var(--accent-primary);
    font-style: italic;
}

.yearly-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.yearly-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.yearly-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.yearly-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.yearly-stat-card h4 {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.yearly-stat-value {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.stat-change {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.stat-change.positive {
    color: var(--success);
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.finalized {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.status-badge.projected {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

/* ===================================
   Inventory Page
   =================================== */

.inventory-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ===================================
   Analytics/Reports Page
   =================================== */

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.analytics-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.analytics-header h3 {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.analytics-value {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.analytics-change {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.analytics-change.positive {
    color: var(--success);
}

.analytics-section {
    margin-bottom: var(--spacing-2xl);
}

.payment-analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.payment-analysis-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.payment-analysis-card h4 {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.payment-analysis-value {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.payment-analysis-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Modal Dialogs
   =================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
    animation: fadeIn var(--transition-base);
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.modal-body .form-group {
    margin-bottom: var(--spacing-md);
}

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

.backup-section {
    padding: var(--spacing-lg) 0;
}

.backup-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.backup-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.backup-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-lg) 0;
}

/* ===================================
   Thermal Receipt Printing
   =================================== */

@media print {

    body,
    html {
        height: auto !important;
        overflow: visible !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    body * {
        visibility: hidden;
    }

    #receiptPrintArea,
    #receiptPrintArea * {
        visibility: visible;
    }

    #receiptPrintArea {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        margin: 0;
        padding: 0;
    }

    .receipt {
        page-break-inside: avoid;
        page-break-after: auto;
        max-height: none;
        overflow: visible;
        border: none;
        box-shadow: none;
    }
}

.receipt {
    width: 65mm;
    /* Balanced width for thermal printers */
    margin: 0 auto;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    padding: 5mm 3mm;
    /* Reduced vertical padding */
    background: white;
    color: black;
    box-shadow: none;
    line-height: 1.2;
}

.receipt-header {
    text-align: center;
    margin-bottom: 5mm;
    border-bottom: 1px dashed black;
    padding-bottom: 3mm;
}

.receipt-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 2mm;
}

.receipt-info {
    font-size: 10px;
    margin-bottom: 1mm;
}

.receipt-items {
    margin: 5mm 0;
}

.receipt-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2mm;
}

.receipt-total {
    border-top: 1px dashed black;
    padding-top: 3mm;
    margin-top: 3mm;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.receipt-footer {
    text-align: center;
    margin-top: 5mm;
    border-top: 1px dashed black;
    padding-top: 3mm;
    font-size: 10px;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-top: auto;
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.footer p {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

/* Base styles for the mobile elements */
.logo-wrapper {
    display: flex;
    align-items: center;
}

/* Initially hidden, only shown in media query */
.mobile-menu-toggle {
    display: none;
}

/* ===================================
   Shopping Cart Styles
   =================================== */

.shopping-cart {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    animation: slideDown var(--transition-base);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.cart-header h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cart-items {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--spacing-md);
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

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

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.cart-item-details {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.cart-item-price {
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0 var(--spacing-md);
}

.cart-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.cart-total span:last-child {
    color: var(--accent-primary);
    font-size: var(--font-size-xl);
}

/* ===================================
   Media Queries (Responsive & Print)
   =================================== */

@media print {

    body,
    html {
        height: auto !important;
        overflow: visible !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    body * {
        visibility: hidden;
    }

    #receiptPrintArea,
    #receiptPrintArea * {
        visibility: visible;
    }

    #receiptPrintArea {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        margin: 0;
        padding: 0;
    }

    .receipt {
        page-break-inside: avoid;
        page-break-after: auto;
        max-height: none;
        overflow: visible;
        border: none;
        box-shadow: none;
    }
}

@media (max-width: 1200px) {
    .form-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .form-group:nth-child(1),
    .form-group:nth-child(2),
    .form-group:nth-child(3) {
        grid-column: span 2;
    }

    .form-group:nth-child(4),
    .form-group:nth-child(5),
    .form-group:nth-child(6) {
        grid-column: span 1;
    }

    .form-group-btn {
        grid-column: span 1;
    }

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

@media (max-width: 968px) {
    .logo-wrapper {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 1.5rem;
        cursor: pointer;
        padding: var(--spacing-xs);
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
        z-index: 1000;
        box-shadow: var(--shadow-lg);
    }

    .nav.active {
        display: flex;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .search-box {
        display: none;
    }

    .header-container {
        padding: 0 var(--spacing-md);
    }

    .user-label {
        display: none;
    }

    .main-content {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .tab-buttons {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .form-grid,
    .analytics-grid,
    .inventory-stats,
    .monthly-stats,
    .payment-analysis-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .table-container {
        overflow-x: auto;
    }

    .transactions-table th,
    .transactions-table td {
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }

    .monthly-header,
    .yearly-header {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .monthly-controls,
    .yearly-controls {
        width: 100%;
        flex-direction: column;
    }

    .month-selector,
    .year-selector {
        width: 100%;
    }

    .daily-total-card {
        flex-direction: column;
        text-align: center;
    }

    .total-amount {
        margin-left: 0;
    }

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

@media (max-width: 640px) {
    .page-title {
        font-size: var(--font-size-2xl);
    }

    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .transactions-table,
    .monthly-table,
    .yearly-table {
        min-width: 600px;
    }

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

    .header-container {
        height: auto;
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .logo-text {
        font-size: var(--font-size-base);
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .form-group {
        width: 100%;
    }
}