* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f1eb;
    color: #171717;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    padding: 32px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.login-card h1 {
    margin-top: 0;
}

label {
    display: block;
    margin-top: 18px;
    margin-bottom: 6px;
    font-weight: 600;
}

input {
    width: 100%;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-size: 16px;
}

button {
    margin-top: 24px;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 999px;
    background: #171717;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
}

.error {
    padding: 12px;
    background: #ffe5e5;
    color: #9b1111;
    border-radius: 12px;
    margin: 18px 0;
}

.topbar {
    height: 72px;
    padding: 0 32px;
    background: #171717;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar a {
    color: #fff;
    text-decoration: none;
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 48px 24px;
}

.hero {
    margin-bottom: 32px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
    opacity: 0.7;
}

.hero h1 {
    font-size: 48px;
    margin: 8px 0;
}

.period {
    background: #fff;
    padding: 20px;
    border-radius: 18px;
    margin-bottom: 24px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 24px;
}

.kpi-card {
    background: #fff;
    padding: 24px;
    border-radius: 22px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.kpi-card span {
    display: block;
    font-size: 14px;
    opacity: 0.7;
}

.kpi-card strong {
    display: block;
    font-size: 32px;
    margin: 12px 0;
}

.kpi-card small {
    opacity: 0.7;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.panel {
    background: #fff;
    padding: 28px;
    border-radius: 24px;
    line-height: 1.6;
}

@media (max-width: 800px) {
    .kpi-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 34px;
    }

    .topbar {
        padding: 0 20px;
    }
}