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

body {
    margin: 0;
    background: #f4f6fb;
    color: #222;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,.05);
}

.logo {
    font-weight: 700;
    font-size: 20px;
}

.login-form input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.login-form button,
.primary {
    background: #4f46e5;
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
}

.hero {
    text-align: center;
    padding: 80px 20px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    padding: 40px;
}

.feature {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,.05);
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,.05);
    margin-bottom: 24px;
}

.file-drop {
    display: block;
    border: 2px dashed #ccc;
    padding: 30px;
    text-align: center;
    border-radius: 10px;
    cursor: pointer;
}

.file-drop input {
    display: none;
}

.checkbox {
    display: block;
    margin: 10px 0;
}

.logout {
    color: #666;
    text-decoration: none;
}

.error {
    background: #fee;
    color: #900;
    padding: 10px;
    text-align: center;
}