body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    background-color: #f4f6fb;
    color: #111827;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 68px;
    background-color: #ffffff;
    box-shadow: 0 1px 12px rgba(15, 23, 42, 0.08);

    position: sticky;
    top: 0;
    z-index: 1000;

    width: 100%;
    box-sizing: border-box;
}

.top-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo { height: 40px; }
.brand { font-weight: 700; font-size: 18px; }
.top-right { display: flex; align-items: center; gap: 12px; }

.lang-select {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    background: white;
    font-size: 14px;
    cursor: pointer;

    margin-right: 20px;
}

.nav-link {
    padding: 10px 16px;
    border-radius: 8px;
    color: #1f2937;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.nav-link:hover { background-color: #eef2ff; }

.page-shell {
    max-width: 540px;
    margin: 56px auto;
    padding: 0 24px;
}

.center-card {
    background: white;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
    padding: 38px;
}

.center-card h1 {
    margin-top: 0;
    font-size: 2rem;
}

.page-copy {
    color: #4b5563;
    margin: 16px 0 10px;
    line-height: 1.8;
}

.error-msg {
    color: red;
    font-size: 16px
}

.form-grid {
    display: grid;
    gap: 16px;
}

.text-box {
    width: 100%;
    max-width: 700px;
    box-sizing: border-box;
}

label { font-size: 0.95rem; color: #374151; }
input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    background-color: #f9fafb;
    font-size: 1rem;
}

.primary-button {
    border: none;
    border-radius: 12px;
    background-color: #4f46e5;
    color: white;
    padding: 14px 16px;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 16px;
}

.primary-button:hover { background-color: #4338ca; }

.muted-text {
    margin-top: 18px;
    color: #6b7280;
    font-size: 0.95rem;
}

.muted-text a {
    color: #4f46e5;
    text-decoration: none;
}

.muted-text a:hover { text-decoration: underline; }