* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
    background: #e9eef3;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    margin: 0;
}

.card {
    max-width: 520px;
    width: 100%;
    background: #ffffff;
    border-radius: 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), 0 8px 20px rgba(0, 20, 40, 0.06);
    padding: 36px 32px 32px;
}

.company-header {
    margin-bottom: 28px;
    border-bottom: 1px solid #eef2f6;
    padding-bottom: 18px;
}

.company-name {
    font-size: 24px;
    font-weight: 600;
    color: #0b1a2b;
    letter-spacing: -0.3px;
    line-height: 1.2;
    margin-bottom: 6px;
}

.company-name .plus {
    font-weight: 400;
    font-size: 18px;
    color: #3d5e7a;
}

.company-sub {
    font-size: 15px;
    color: #566b7c;
    font-weight: 400;
    line-height: 1.4;
}

.info-reason {
    background: #f5f8fb;
    border-radius: 18px;
    padding: 16px 18px;
    margin-bottom: 28px;
    font-size: 14px;
    color: #1f3344;
    border-left: 4px solid #3a7bd5;
    line-height: 1.5;
}

.info-reason strong {
    color: #0b1a2b;
    font-weight: 600;
}

.auth-title {
    font-size: 28px;
    font-weight: 700;
    color: #0b1a2b;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.auth-title::after {
    content: "🔐";
    font-size: 22px;
    opacity: 0.7;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #2c4055;
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 1.5px solid #dae1e9;
    border-radius: 18px;
    background: #fafcfe;
    color: #0b1a2b;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    border-color: #3a7bd5;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(58, 123, 213, 0.08);
}

.form-group input::placeholder {
    color: #a5b9cc;
    font-weight: 400;
    font-size: 14px;
}

.btn-login {
    width: 100%;
    padding: 15px;
    background: #1b2f44;
    border: none;
    border-radius: 40px;
    color: white;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    margin-top: 8px;
    box-shadow: 0 4px 8px rgba(27, 47, 68, 0.12);
}

.btn-login:hover {
    background: #0f212f;
    transform: scale(1.01);
    box-shadow: 0 8px 16px rgba(27, 47, 68, 0.16);
}

.btn-login:active {
    transform: scale(0.97);
}

.action-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 18px 0 22px;
    flex-wrap: wrap;
    gap: 8px;
}

.action-links a {
    color: #1f4f7a;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: 0.15s;
    padding: 4px 0;
}

.action-links a:hover {
    border-bottom-color: #1f4f7a;
    color: #0b2a44;
}

.action-links .register-link {
    font-weight: 600;
    color: #1b2f44;
}

.extra-info-block {
    background: #f2f6fc;
    border-radius: 20px;
    padding: 18px 20px;
    margin-top: 20px;
    border: 1px solid #e2eaf2;
    font-size: 14px;
    color: #1a3146;
    line-height: 1.5;
}

.extra-info-block strong {
    color: #0b1a2b;
    font-weight: 600;
}

.extra-info-block .highlight {
    background: #dce6f0;
    padding: 0 6px;
    border-radius: 12px;
    font-weight: 500;
    color: #10344f;
}

.browser-note {
    margin-top: 22px;
    padding: 14px 18px;
    background: #eef4fa;
    border-radius: 40px;
    font-size: 13px;
    color: #1f3a51;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid #d6e1ed;
}

.browser-note::before {
    content: "🖥️";
    font-size: 18px;
}

.browser-note span {
    font-weight: 500;
}

@media (max-width: 480px) {
    .card { padding: 24px 20px; }
    .company-name { font-size: 20px; }
    .auth-title { font-size: 24px; }
    .action-links { flex-direction: column; align-items: flex-start; }
}