* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Inter, system-ui, Arial, sans-serif;
}

body {
    background: #f3f4f6;
    color: #0f172a;
}

/* LAYOUT */
.app {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: 270px;
    background: #0b1220;
    color: #cbd5e1;
    padding: 22px;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
}

.logo {
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 35px;
}

.menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    color: #cbd5e1;
    text-decoration: none;
    margin-bottom: 8px;
    font-size: 14px;
}

.menu a.active,
.menu a:hover {
    background: #16a34a;
    color: #fff;
}

/* MAIN */
.main {
    flex: 1;
    padding: 32px;
}

/* HEADER */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.header h1 {
    font-size: 26px;
    font-weight: 600;
}

.header span {
    font-size: 14px;
    color: #64748b;
}

/* STAT CARDS */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.card {
    background: #fff;
    border-radius: 16px;
    padding: 20px 22px;
    border: 1px solid #e5e7eb;
}

.card small {
    color: #64748b;
    font-size: 13px;
}

.card h2 {
    margin-top: 8px;
    font-size: 24px;
}

.card.green {
    border-left: 5px solid #16a34a;
}

/* GRID */
.grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

/* CHART */
.chart {
    background: #fff;
    border-radius: 16px;
    padding: 22px;
    border: 1px solid #e5e7eb;
}

.chart-placeholder {
    height: 260px;
    margin-top: 18px;
    border-radius: 12px;
    background: linear-gradient(
        to top,
        #dcfce7,
        #bbf7d0
    );
}

/* SCHEDULE */
.schedule {
    background: #fff;
    border-radius: 16px;
    padding: 22px;
    border: 1px solid #e5e7eb;
}

.schedule h3 {
    font-size: 16px;
    margin-bottom: 16px;
}

.schedule-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    font-size: 14px;
}

.schedule-item time {
    color: #64748b;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid {
        grid-template-columns: 1fr;
    }
}