*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: #222;
}

a {
    color: inherit;
    text-decoration: none;
}

.form-label {
    display: block;
    font-size: 14px;
    margin-bottom: 12px;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    outline: none;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.flex-1 {
    flex: 1;
}

.btn-primary {
    width: 100%;
    padding: 10px 0;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, #ff7ad9, #8f5bff);
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(143, 91, 255, 0.55);
    transition: transform .15s ease-out, box-shadow .15s ease-out;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(143, 91, 255, 0.7);
}

.alert {
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 12px;
}

.alert-error {
    background: rgba(255, 87, 127, 0.16);
    color: #ffe0eb;
}

.alert-success {
    background: rgba(129, 230, 217, 0.16);
    color: #d9fffb;
}