* {
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 0;
    padding: 0;
}

body {
    background: #f8fafc;
    display: flex;
    color: #1e293b;
    overflow: hidden;
}
.sidebar {
    width: 260px;
    background: #0f172a;
    color: white;
    padding: 30px 20px;
    flex-shrink: 0;
}

.sidebar img {
    width: 100%;
    margin-bottom: 15px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    padding: 14px 20px;
    margin-bottom: 10px;
    cursor: pointer;
    border-radius: 8px;
    transition: 0.3s;
    color: #94a3b8;
}

.sidebar li:hover {
    background: #1e293b;
    color: white;
}

.sidebar li.active {
    background: #38bdf8;
    color: #0f172a;
    font-weight: bold;
}

.main-content {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    height: 100vh;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.card h3 {
    font-size: 12px;
    color: #64748b;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.card p {
    font-size: 24px;
    font-weight: 700;
}

.income-text {
    color: #10b981;
}

.expense-text {
    color: #ef4444;
}

.dashboard-row {    
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 10px;
    align-items: start;
}
.box {
    width: 100%;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}
.budget-content{
    height: fit-content;
    padding-top: 13%;
}

.box h3 {
    margin-bottom: 20px;
    font-size: 18px;
    color: #334155;
}

.footer {
    padding-top : 0px;
}
#chart-tooltip {
    position: fixed;
    display: none;
    background: #0f172a;
    color: white;
    border-radius: 6px;
    font-size: 13px;
    pointer-events: none;
    z-index: 9999;
    border: 1px solid #38bdf8;
}

:root {
    --p1: 25%;
    --p2: 50%;
    --p3: 75%;
}

.chart-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.donut-chart {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: conic-gradient(#fbbf24 0% var(--p1),
            #38bdf8 var(--p1) var(--p2),
            #a855f7 var(--p2) var(--p3),
            #94a3b8 var(--p3) 100%);
    position: relative;
    transition: 0.4s ease;
}

.donut-chart::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110px;
    height: 110px;
    background: white;
    border-radius: 50%;
}
.txn-list {
    max-height: 350px;
    overflow-y: auto;
    padding-right: 10px;
}

.txn-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid #f1f5f9;
}

.amt.neg {
    color: #ef4444;
    font-weight: 600;
}

.amt.pos {
    color: #10b981;
    font-weight: 600;
}

.form-group {
    margin-top: 25px;
    background: #f8fafc;
    padding: 20px;
    border-radius: 12px;
}

.add-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

.add-form input,
.add-form select {
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    outline: none;
}

.add-form button {
    grid-column: span 2;
    background: #38bdf8;
    color: #0f172a;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
}