html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: #020812;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body.wk-login-standalone {
    background:
        radial-gradient(circle at left center, rgba(0, 153, 255, 0.10), transparent 30%),
        radial-gradient(circle at right center, rgba(0, 102, 204, 0.08), transparent 28%),
        linear-gradient(180deg, #020812 0%, #01060d 100%);
    color: #eaf4ff;
}

.wk-login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    box-sizing: border-box;
}

.wk-login-panel {
    width: 100%;
    max-width: 480px;
    position: relative;
    background: linear-gradient(180deg, rgba(3, 12, 24, 0.985) 0%, rgba(2, 9, 18, 0.985) 100%);
    border: 1px solid rgba(23, 155, 255, 0.72);
    border-radius: 22px;
    padding: 34px 28px 24px;
    box-shadow:
        0 0 0 1px rgba(0, 170, 255, 0.08),
        0 0 18px rgba(0, 153, 255, 0.10),
        0 0 45px rgba(0, 110, 255, 0.08),
        inset 0 0 0 1px rgba(255, 255, 255, 0.015);
}

.wk-login-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 22px;
    pointer-events: none;
    box-shadow: inset 0 1px 0 rgba(90, 190, 255, 0.08);
}

.wk-login-header {
    text-align: center;
    margin-bottom: 18px;
}

.wk-login-header h1 {
    display: block;
    width: 100%;
    margin: 0 auto;
    color: #17c0ff;
    font-size: 32px;
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-align: center;
    text-shadow: 0 0 16px rgba(23, 192, 255, 0.14);
}

.wk-login-divider {
    display: block;
    width: 110px;
    height: 2px;
    margin: 16px auto 0 auto;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        rgba(23, 192, 255, 0) 0%,
        rgba(23, 192, 255, 0.95) 50%,
        rgba(23, 192, 255, 0) 100%
    );
    box-shadow: 0 0 16px rgba(23, 192, 255, 0.24);
}

.wk-login-intro {
    margin: 0 0 18px;
    padding-top: 2px;
    text-align: center;
}

.wk-login-intro p {
    margin: 0;
    color: #a9bfd4;
    font-size: 14px;
    line-height: 1.7;
}

.wk-login-alert {
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 14px;
    font-size: 13px;
    line-height: 1.55;
}

.wk-login-alert-error {
    background: rgba(143, 39, 52, 0.16);
    border: 1px solid rgba(255, 108, 108, 0.16);
    color: #ffd6d6;
}

.wk-login-form {
    display: grid;
    gap: 14px;
}

.wk-login-group {
    display: block;
}

.wk-login-group input {
    width: 100%;
    height: 50px;
    padding: 0 16px;
    border-radius: 10px;
    border: 1px solid rgba(22, 149, 244, 0.34);
    background: rgba(1, 10, 19, 0.94);
    color: #f3f9ff;
    font-size: 14px;
    font-weight: 500;
    box-sizing: border-box;
    outline: none;
    transition:
        border-color 0.18s ease,
        box-shadow 0.18s ease,
        background 0.18s ease;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.01);
}

.wk-login-group input::placeholder {
    color: #93adc6;
    font-weight: 400;
}

.wk-login-group input:focus {
    border-color: rgba(45, 180, 255, 0.82);
    background: rgba(2, 12, 23, 0.98);
    box-shadow:
        0 0 0 1px rgba(45, 180, 255, 0.18),
        0 0 16px rgba(22, 149, 244, 0.08);
}

.wk-login-btn {
    width: 100%;
    height: 52px;
    margin-top: 2px;
    border: 0;
    border-radius: 12px;
    background: linear-gradient(90deg, #17c0ff 0%, #157dff 100%);
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        filter 0.18s ease;
    box-shadow:
        0 8px 24px rgba(17, 126, 255, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.wk-login-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.03);
    box-shadow:
        0 10px 28px rgba(17, 126, 255, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.wk-login-btn:active {
    transform: translateY(0);
}

.wk-login-help {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid rgba(28, 145, 255, 0.14);
    text-align: center;
    color: #9fb6cb;
    font-size: 12px;
    line-height: 1.65;
}

.wk-login-help strong {
    display: block;
    margin-bottom: 4px;
    color: #dceaf7;
    font-size: 13px;
    font-weight: 700;
}

.wk-login-help p {
    margin: 0;
}

@media (max-width: 640px) {
    .wk-login-panel {
        max-width: 100%;
        padding: 26px 16px 20px;
        border-radius: 18px;
    }

    .wk-login-panel::before {
        border-radius: 18px;
    }

    .wk-login-header h1 {
        font-size: 27px;
    }

    .wk-login-divider {
        width: 86px;
    }

    .wk-login-intro p {
        font-size: 13px;
    }

    .wk-login-group input,
    .wk-login-btn {
        height: 46px;
    }
}