*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'DM Sans', system-ui, sans-serif;
    background: #f0f6f9;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a2e3a;
}
.auth-card {
    background: #fff;
    border: 1px solid #d8e6ec;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
}
.auth-brand {
    text-align: center;
    margin-bottom: 2rem;
}
.auth-brand-name {
    font-family: 'Lora', Georgia, serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a2e3a;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}
.auth-brand-dot {
    width: 7px; height: 7px;
    background: #3a8fa8;
    border-radius: 50%;
}
.auth-brand-sub {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #7a9aaa;
    margin-top: 4px;
}
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #7a9aaa;
    margin-bottom: 5px;
}
.form-input {
    width: 100%;
    background: #f0f6f9;
    border: 1.5px solid #d8e6ec;
    border-radius: 10px;
    padding: 0.6rem 0.85rem;
    font-size: 0.88rem;
    color: #1a2e3a;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus {
    border-color: #3a8fa8;
    box-shadow: 0 0 0 3px rgba(58,143,168,0.1);
    background: #fff;
}
.form-error {
    font-size: 0.72rem;
    color: #c0392b;
    margin-top: 4px;
}
.btn-primary {
    width: 100%;
    background: #1a2e3a;
    color: #fff;
    border: none;
    border-radius: 100px;
    padding: 0.7rem;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}
.btn-primary:hover { background: #3a8fa8; }
.alert-error {
    background: rgba(192,57,43,0.08);
    border: 1px solid rgba(192,57,43,0.2);
    border-radius: 10px;
    padding: 0.65rem 0.9rem;
    font-size: 0.78rem;
    color: #c0392b;
    margin-bottom: 1.2rem;
}