body {
    min-height: 100vh;
    background: linear-gradient(150deg, #2b0a14 0%, #4a1228 50%, #3a0d1e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
}

.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    border: 1px solid rgba(180, 60, 80, 0.25);
}

.login-header {
    background: #ffffff;
    padding: 32px 32px 26px;
    text-align: center;
    border-bottom: 3px solid #8b1a30;
}

.login-header img {
    width: 56px;
    margin-bottom: 12px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.login-header h1 {
    color: #6b0f22;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.03em;
}

.login-header p {
    color: #7d2f40;
    font-size: 0.95rem;
    margin: 5px 0 0;
}

.login-body {
    background: #f9eef1;
    padding: 28px 32px 32px;
}

.login-body .form-label {
    color: #6b0f22;
    font-size: 1rem;
    font-weight: 600;
}

.login-body .form-control {
    background: #fff;
    border: 1.5px solid #d9a0ae;
    color: #3a0d1e;
    border-radius: 7px;
    min-height: 48px;
    font-size: 1.05rem;
}

.login-body .form-control::placeholder {
    color: #a9707d;
}

/* 키보드 포커스가 분명히 보이도록 */
.login-card :focus-visible {
    outline: 3px solid #b3243f;
    outline-offset: 2px;
}

.form-control:focus {
    border-color: #8b1a30;
    box-shadow: 0 0 0 0.2rem rgba(139, 26, 48, 0.18);
    background: #fff;
}

.btn-login {
    background: #8b1a30;
    border: none;
    color: #fff;
    width: 100%;
    padding: 11px;
    min-height: 48px;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 7px;
    letter-spacing: 0.04em;
    transition: background 0.2s, box-shadow 0.2s;
}

.btn-login:hover {
    background: #6b0f22;
    color: #fff;
    box-shadow: 0 4px 14px rgba(139, 26, 48, 0.35);
}

.btn-login:active {
    background: #4a0915;
    color: #fff;
}

.login-body .alert-success {
    background: #d9f0e3;
    border-color: #8bc4a0;
    color: #1d5c38;
}

.login-body .alert-danger {
    background: #fde8ec;
    border-color: #e8a0ac;
    color: #7a1428;
}

.submit-progress {
    margin-top: 14px;
}

.submit-progress .progress {
    height: 6px;
    background: #f0d0d6;
    border-radius: 4px;
}

.submit-progress .progress-bar {
    background: #8b1a30;
}

.submit-progress .message {
    font-size: 0.82rem;
    color: #6b0f22;
}