/* ===== CSS Variables - Design 1 Orange Cat Theme ===== */
:root {
    /* Colors - Clean Neon Minimal + Orange Cat */
    --bg-primary: #f5f5f5;
    --bg-secondary: #ebebeb;
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;
    --text-primary: #000000;
    --text-secondary: #555555;
    --text-muted: #888888;
    --accent-primary: #00d4d4;
    --accent-secondary: #00b3b3;
    --accent-gradient: linear-gradient(135deg, #00d4d4 0%, #00b3b3 100%);
    --cat-orange: #ff9500;
    --cat-orange-dark: #e68600;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border-color: #000000;
    --border-width: 3px;
    --shadow: 4px 4px 0 #000000;
    --shadow-hover: 6px 6px 0 #000000;
    --glass: rgba(0, 0, 0, 0.02);

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

    /* Border Radius - more rounded for playful feel */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* Dark Theme - Keep as fallback but inverted */
[data-theme="dark"] {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: #1e2a4a;
    --bg-card-hover: #2a3a5a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6c6c7c;
    --border-color: #ffffff;
    --shadow: 4px 4px 0 rgba(255, 255, 255, 0.3);
    --shadow-hover: 6px 6px 0 rgba(255, 255, 255, 0.4);
    --glass: rgba(255, 255, 255, 0.05);
}

/* ===== Modal Styles ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal-overlay.hidden {
    display: none;
}

.modal {
    background: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* ===== Info Icon & Tooltip ===== */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 6px;
    font-size: 14px;
    color: var(--accent-primary);
    cursor: pointer;
    vertical-align: middle;
    transition: transform 0.2s;
}

.info-icon:hover {
    transform: scale(1.2);
}

.relief-summary-item {
    position: relative;
}

.info-tooltip {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    z-index: 10;
    box-shadow: var(--shadow);
}

.info-tooltip.show {
    display: block;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ===== App Container ===== */
.app-container {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

/* ===== Header ===== */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

.logo-icon {
    font-size: 1.5rem;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.theme-toggle {
    background: var(--glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
}

.theme-icon {
    font-size: 1.25rem;
}

/* ===== Tab Navigation ===== */
.tab-nav {
    display: flex;
    background: var(--bg-card);
    padding: var(--spacing-sm);
    gap: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.tab-btn.active {
    background: var(--accent-gradient);
    color: white;
}

.tab-icon {
    font-size: 1.25rem;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

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

/* ===== Cards - Brutalist Style ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translate(-2px, -2px);

}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.highlight-card {
    background: var(--accent-gradient);
    border: none;
}

.highlight-card .card-title,
.highlight-card .estimate-label,
.highlight-card .estimate-note {
    color: rgba(255, 255, 255, 0.9);
}

.highlight-card .estimate-value {
    color: white;
}

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-select,
.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.input-with-prefix {
    display: flex;
    align-items: stretch;
}

.input-prefix {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    background: var(--glass);
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
}

.input-with-prefix .form-input {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.hidden {
    display: none !important;
}

/* Form Row Layout */
.form-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-row .form-group {
    margin-bottom: 0;
}

.flex-1 {
    flex: 1;
}

.flex-small {
    flex: 0 0 110px;
}

/* Input with Suffix */
.input-with-suffix {
    display: flex;
    align-items: stretch;
}

.input-with-suffix .form-input {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    border-right: none;
}

.input-suffix {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    background: var(--glass);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Income Summary */
.income-summary {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.income-summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.income-summary-row.total {
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.income-summary-row.total span:last-child {
    color: var(--accent-primary);
}

/* ===== Estimate Grid ===== */

.estimate-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.estimate-item {
    text-align: center;
}

.estimate-label {
    display: block;
    font-size: 0.75rem;
    margin-bottom: var(--spacing-xs);
}

.estimate-value {
    font-size: 1.25rem;
    font-weight: 700;
}

.estimate-value.highlight {
    font-size: 1.5rem;
}

.estimate-note {
    font-size: 0.75rem;
    text-align: center;
}

/* ===== Relief Summary ===== */
.relief-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.relief-summary-item {
    text-align: center;
}

.relief-summary-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.relief-summary-value {
    font-size: 1.25rem;
    font-weight: 700;
}

.relief-summary-value.highlight {
    color: var(--success);
}

/* ===== Relief Categories ===== */
.relief-category {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.relief-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.relief-category-header:hover {
    background: var(--glass);
}

.relief-category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.relief-category-amount {
    font-weight: 600;
    color: var(--accent-primary);
}

.relief-category-items {
    padding: 0 var(--spacing-md) var(--spacing-md);
    display: none;
}

.relief-category.expanded .relief-category-items {
    display: block;
}

.relief-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.relief-item:last-child {
    border-bottom: none;
}

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

.relief-item-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.relief-item-limit {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.relief-item-input {
    width: 120px;
}

/* ===== Progress Bar ===== */
.progress-container {
    margin-top: var(--spacing-sm);
}

.progress-bar {
    height: 6px;
    background: var(--glass);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* ===== Summary Breakdown ===== */
.summary-breakdown {
    margin-bottom: var(--spacing-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.summary-row.total {
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.summary-row.highlight {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
    border-bottom: none;
    padding-top: var(--spacing-md);
}

/* ===== Tax Bracket Info ===== */
.tax-bracket-info {
    background: var(--glass);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.tax-bracket-info h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.bracket-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bracket-rate {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bracket-range {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===== Relief Progress List ===== */
.relief-progress-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.relief-progress-item:last-child {
    border-bottom: none;
}

.relief-progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.relief-progress-name {
    font-weight: 500;
    font-size: 0.9rem;
}

.relief-progress-amount {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===== Info Box ===== */
.info-box {
    background: var(--glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.info-box p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.info-box p:last-child {
    margin-bottom: 0;
}

.info-box strong {
    color: var(--accent-primary);
}

/* ===== Text Colors ===== */
.text-success {
    color: var(--success) !important;
}

.text-warning {
    color: var(--warning) !important;
}

/* ===== Badges ===== */
.badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-left: var(--spacing-sm);
}

.badge-sme {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

/* SME Special Category */
.sme-special .relief-category-header {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
}

.sme-special .relief-category-amount {
    color: var(--warning);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow);
}

.btn-primary {
    background: var(--accent-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-hover);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* ===== Orange Cat Mascot ===== */
.cat-mascot {
    display: inline-block;
    width: 32px;
    height: 32px;
    margin-right: var(--spacing-sm);
    vertical-align: middle;
}

.cat-paw {
    display: inline-block;
    margin-left: var(--spacing-xs);
    font-size: 1rem;
}

/* ===== Income Type Selector ===== */
.income-type-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.income-type-option {
    cursor: pointer;
}

.income-type-option input {
    display: none;
}

.income-type-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--glass);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-align: center;
}

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

.income-type-option input:checked+.income-type-card {
    border-color: var(--accent-primary);
    background: rgba(67, 97, 238, 0.1);
}

.income-type-icon {
    font-size: 2rem;
}

.income-type-label {
    font-weight: 600;
    font-size: 0.875rem;
}

.income-type-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Export Section */
.export-description {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.export-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.export-note {
    font-size: 0.75rem;
    opacity: 0.8;
}

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


.app-footer {
    padding: var(--spacing-md);
    text-align: center;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
}

.app-footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.app-footer .disclaimer {
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
    .app-container {
        max-width: 600px;
        margin: var(--spacing-lg) auto;
        border-radius: var(--radius-lg);
        min-height: calc(100vh - var(--spacing-xl) * 2);
        box-shadow: var(--shadow);
    }
}

/* ===== Animations ===== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}