:root {
    --pdx-primary: #0B1F3A;
    --pdx-secondary: #0057B8;
    --pdx-accent: #00AEEF;
    --pdx-bg: #F4F8FC;
    --pdx-card: #FFFFFF;
    --pdx-text: #111827;
    --pdx-muted: #64748B;
    --pdx-border: #DCE7F3;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Montserrat", sans-serif;
    background: var(--pdx-bg);
    color: var(--pdx-text);
}

.pdx-login-page {
    min-height: 100vh;
    padding: 24px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at top left, rgba(0, 174, 239, 0.18), transparent 34%),
        linear-gradient(135deg, var(--pdx-bg) 0%, #FFFFFF 100%);
}

.pdx-login-shell {
    width: 100%;
    max-width: 480px;
}

.pdx-login-brand {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.pdx-login-logo {
    width: 56px;
    height: 56px;
    flex: 0 0 56px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pdx-primary);
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.04em;
    box-shadow: 0 16px 32px rgba(11, 31, 58, 0.18);
}

.pdx-login-kicker {
    margin: 0 0 6px;
    color: var(--pdx-secondary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pdx-login-title {
    margin: 0;
    color: var(--pdx-primary);
    font-size: 28px;
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.pdx-login-description {
    margin: 10px 0 0;
    color: var(--pdx-muted);
    font-size: 14px;
    line-height: 1.6;
}

.pdx-login-card {
    width: 100%;
    padding: 22px;
    border: 1px solid var(--pdx-border);
    border-radius: 26px;
    background: var(--pdx-card);
    box-shadow: 0 20px 55px rgba(11, 31, 58, 0.10);
}

.pdx-session-status {
    margin-bottom: 16px;
    color: var(--pdx-secondary);
    font-size: 14px;
    font-weight: 600;
}

.pdx-login-form {
    width: 100%;
}

.pdx-form-section {
    width: 100%;
}

.pdx-section-label {
    display: block;
    margin-bottom: 12px;
    color: var(--pdx-primary);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pdx-environment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.pdx-environment-option {
    width: 100%;
    min-height: 118px;
    padding: 18px;
    border: 1px solid var(--pdx-border);
    border-radius: 20px;
    background: #FFFFFF;
    color: var(--pdx-text);
    text-align: left;
    cursor: pointer;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease,
        background 0.2s ease;
}

.pdx-environment-option:hover {
    border-color: var(--pdx-accent);
    box-shadow: 0 12px 26px rgba(0, 87, 184, 0.10);
    transform: translateY(-1px);
}

.pdx-environment-option.is-active {
    border-color: var(--pdx-secondary);
    background: linear-gradient(135deg, rgba(0, 87, 184, 0.08), rgba(0, 174, 239, 0.10));
    box-shadow: 0 14px 30px rgba(0, 87, 184, 0.14);
}

.pdx-environment-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 4px 10px;
    margin-bottom: 12px;
    border-radius: 999px;
    background: rgba(0, 174, 239, 0.14);
    color: var(--pdx-secondary);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pdx-environment-badge-production {
    background: rgba(11, 31, 58, 0.10);
    color: var(--pdx-primary);
}

.pdx-environment-option strong {
    display: block;
    margin-bottom: 6px;
    color: var(--pdx-primary);
    font-size: 16px;
    font-weight: 800;
}

.pdx-environment-option small {
    display: block;
    color: var(--pdx-muted);
    font-size: 13px;
    line-height: 1.45;
}

.pdx-credentials {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--pdx-border);
}

.pdx-selected-environment {
    margin-bottom: 18px;
    padding: 12px 14px;
    border: 1px solid rgba(0, 87, 184, 0.16);
    border-radius: 14px;
    background: rgba(0, 174, 239, 0.08);
    color: var(--pdx-muted);
    font-size: 13px;
    line-height: 1.4;
}

.pdx-selected-environment strong {
    color: var(--pdx-primary);
}

.pdx-field {
    margin-bottom: 16px;
}

.pdx-label {
    display: block;
    margin-bottom: 8px;
    color: var(--pdx-primary);
    font-size: 13px;
    font-weight: 700;
}

.pdx-input {
    width: 100%;
    height: 48px;
    padding: 0 14px;
    border: 1px solid var(--pdx-border);
    border-radius: 14px;
    background: #FFFFFF;
    color: var(--pdx-text);
    font-family: "Montserrat", sans-serif;
    font-size: 14px;
    font-weight: 500;
    outline: none;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.pdx-input::placeholder {
    color: var(--pdx-muted);
    opacity: 0.72;
}

.pdx-input:focus {
    border-color: var(--pdx-accent);
    box-shadow: 0 0 0 4px rgba(0, 174, 239, 0.16);
}

.pdx-password-wrapper {
    position: relative;
    width: 100%;
}

.pdx-password-input {
    padding-right: 96px;
}

.pdx-password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    min-width: 78px;
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid rgba(0, 87, 184, 0.18);
    border-radius: 11px;
    background: rgba(0, 174, 239, 0.08);
    color: var(--pdx-secondary);
    font-family: "Montserrat", sans-serif;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    transform: translateY(-50%);
    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease,
        box-shadow 0.2s ease;
}

.pdx-password-toggle:hover {
    border-color: var(--pdx-accent);
    background: rgba(0, 174, 239, 0.14);
    color: var(--pdx-primary);
}

.pdx-password-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 174, 239, 0.16);
}

.pdx-input-error {
    margin-top: 8px;
    color: #B91C1C;
    font-size: 12px;
    font-weight: 600;
}

.pdx-form-row {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 4px 0 18px;
}

.pdx-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--pdx-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.pdx-checkbox {
    width: 16px;
    height: 16px;
    border-radius: 5px;
    accent-color: var(--pdx-secondary);
}

.pdx-forgot-link {
    color: var(--pdx-secondary);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.pdx-forgot-link:hover {
    color: var(--pdx-primary);
    text-decoration: underline;
}

.pdx-submit-button {
    width: 100%;
    min-height: 50px;
    border: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--pdx-secondary), var(--pdx-accent));
    color: #FFFFFF;
    font-family: "Montserrat", sans-serif;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(0, 87, 184, 0.20);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        filter 0.2s ease;
}

.pdx-submit-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 34px rgba(0, 87, 184, 0.26);
    filter: brightness(1.02);
}

.pdx-submit-button:focus {
    outline: 4px solid rgba(0, 174, 239, 0.24);
    outline-offset: 3px;
}

.pdx-login-footer {
    margin: 18px 0 0;
    color: var(--pdx-muted);
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
}

@media (min-width: 640px) {
    .pdx-login-page {
        padding: 40px 24px;
    }

    .pdx-login-shell {
        max-width: 560px;
    }

    .pdx-login-card {
        padding: 30px;
    }

    .pdx-environment-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pdx-form-row {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    .pdx-login-shell {
        max-width: 620px;
    }

    .pdx-login-title {
        font-size: 34px;
    }

    .pdx-login-card {
        padding: 34px;
    }
}