body {
    background: #fff;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}
.container {
    max-width: 500px;
    margin: 40px auto 0 auto;
    background: #fff;
    border-radius: 24px;
    padding: 36px 32px 28px 32px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}
.logo {
    display: block;
    margin: 0 auto 24px auto;
    max-width: 140px;
}
h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #111;
    margin-bottom: 12px;
}
.subtitle {
    color: #222;
    font-size: 1.08rem;
    margin-bottom: 28px;
    line-height: 1.5;
}
form {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}
.form-group {
    background: #fff;
    border: 2px solid #B0B0B0;
    border-radius: 18px;
    display: flex;
    align-items: center;
    padding: 0.7rem 1.2rem;
    margin-bottom: 1.2rem;
    position: relative;
}
.form-group svg.icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    margin-right: 1rem;
    color: #222;
}
.form-group input {
    border: none;
    outline: none;
    font-size: 1.1rem;
    width: 100%;
    background: transparent;
    font-family: inherit;
}
.form-group input::placeholder {
    color: #888;
    font-weight: 400;
}
.btn {
    width: 100%;
    background: #0057FF;
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 15px 0;
    font-size: 1.15rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(0,87,255,0.08);
}
.btn:hover {
    background: #003bb3;
}
.alert {
    background: #e6f9ed;
    color: #1bc47d;
    border: 1px solid #b2f2d7;
    border-radius: 8px;
    padding: 12px 18px;
    margin-bottom: 18px;
    text-align: center;
    font-weight: 500;
    width: 100%;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}
.error {
    background: #ffeaea;
    color: #e53935;
    border: 1px solid #ffcdd2;
    border-radius: 8px;
    padding: 12px 18px;
    margin-bottom: 18px;
    text-align: center;
    font-weight: 500;
    width: 100%;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}