/* DESIGN SYSTEM & VARIABLES */
:root {
    --bg-app: #0a0a0a;
    --bg-panel: #111111;
    --bg-card: #161616;
    --bg-input: #000000;

    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dim: #475569;

    --accent-primary: #e11d48;
    --accent-income: #10b981;
    --accent-expense: #f43f5e;
    --accent-active: #3b82f6;

    --border-subtle: #27272a;
    --border-focus: #4b5563;

    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 3rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
}

/* UTILITIES */
.highlight {
    color: var(--accent-primary);
}

.income-text {
    color: var(--accent-income);
}

.expense-text {
    color: var(--accent-expense);
}

/* LAYOUT */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.app-header {
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.app-header .logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.app-nav {
    display: flex;
    gap: 2px;
    background: var(--border-subtle);
    padding: 2px;
    border-radius: var(--radius-md);
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: calc(var(--radius-md) - 2px);
    transition: all 0.2s ease;
}

.nav-btn:hover {
    color: var(--text-main);
}

.nav-btn.active {
    background: var(--bg-card);
    color: var(--text-main);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

#main-content {
    flex: 1;
    overflow-y: auto;
    position: relative;
    padding: var(--space-lg);
}

.view {
    display: none;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeIn 0.3s ease;
}

.view.active-view {
    display: block;
}

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

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

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 15px rgba(225, 29, 72, 0.4);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-subtle);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--border-focus);
    background: rgba(255, 255, 255, 0.05);
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: color 0.2s;
    display: flex;
}

.icon-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

/* HERO */
.hero {
    text-align: center;
    padding-top: 5rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.hero p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

/* INTAKE GRID */
.view-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: var(--space-md);
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

@media (max-width: 768px) {
    .split-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-panel);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    padding: var(--space-md);
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

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

.indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 8px;
}

.income-dot {
    background: var(--accent-income);
    box-shadow: 0 0 8px var(--accent-income);
}

.expense-dot {
    background: var(--accent-expense);
    box-shadow: 0 0 8px var(--accent-expense);
}

.category-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.panel-footer {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px dashed var(--border-subtle);
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 700;
}

.category-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    transition: all 0.2s;
}

.category-card:hover {
    border-color: var(--border-focus);
    background: rgba(255, 255, 255, 0.05);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.category-header .cat-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    background: transparent;
    border: none;
    outline: none;
    width: 60%;
}

.category-header .cat-name:focus {
    color: var(--accent-active);
}

.cat-total {
    font-family: monospace;
    font-weight: 700;
    color: var(--text-muted);
}

.line-item {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.line-item input {
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.2s;
    font-size: 0.95rem;
}

.line-item input:focus {
    border-color: var(--accent-active);
}

.line-item .name-input {
    flex: 2;
}

.line-item .smart-input {
    flex: 1;
    text-align: right;
    font-family: monospace;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 4px 8px;
    margin-top: 4px;
    border-radius: 4px;
}

.btn-text:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.1);
}

/* DASHBOARD */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
}

.big-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

.delta-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-top: 8px;
}

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.chart-card {
    height: 350px;
}

/* ADJUST / MODEL VIEW */
.adjust-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.adjust-card .card-header {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
}

.card-titles h4 {
    margin: 0;
    font-size: 1.1rem;
}

.card-titles .muted {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-slider-group {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-app);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
}

.card-slider-group input[type=range] {
    width: 100px;
}

.card-slider-group input[type=number] {
    width: 60px;
    background: transparent;
    border: none;
    color: var(--text-main);
    text-align: right;
    font-weight: 700;
}

.card-total-next {
    font-size: 1.2rem;
    font-weight: 700;
    min-width: 100px;
    text-align: right;
}

.adjust-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

.adjust-row:last-child {
    border-bottom: none;
}

.adjust-row.excluded {
    opacity: 0.5;
    background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0, 0, 0, 0.2) 10px, rgba(0, 0, 0, 0.2) 20px);
}

.adjust-row.excluded .next-val {
    text-decoration: line-through;
}

.row-name {
    display: flex;
    flex-direction: column;
    width: 40%;
}

.sub-val {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.badge-btn {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    cursor: pointer;
}

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

.row-result {
    font-family: monospace;
    font-weight: 600;
}

input[type=range] {
    -webkit-appearance: none;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--text-main);
    cursor: pointer;
    margin-top: -6px;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    background: var(--border-focus);
    border-radius: 2px;
}

/* SCROLLBARS */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-app);
}

::-webkit-scrollbar-thumb {
    background: var(--border-subtle);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-focus);
}

/* PRINT STYLES */
@media print {
    body {
        background: white;
        color: black;
        overflow: visible;
        height: auto;
    }

    .app-header,
    .nav-btn,
    .header-actions,
    .actions,
    .one-time-toggle,
    .btn-text,
    .icon-btn,
    .slider-group,
    .row-controls,
    .add-item-btn,
    #reset-btn,
    #save-btn {
        display: none !important;
    }

    .view {
        display: none !important;
    }

    #view-dashboard {
        display: block !important;
    }

    .app-container {
        height: auto;
        display: block;
    }

    #main-content {
        padding: 0;
        overflow: visible;
    }

    .card {
        border: 1px solid #ddd;
        box-shadow: none;
        padding: 1rem;
        margin-bottom: 1rem;
        color: black;
        background: white;
        break-inside: avoid;
    }

    h2,
    h3 {
        color: black;
    }

    .big-number {
        color: black !important;
    }

    .delta-badge {
        border: 1px solid #ccc;
        color: black;
        background: #eee;
    }

    .charts-row {
        break-inside: avoid;
    }

    canvas {
        max-width: 100%;
    }
}