:root {
    --bg: #050505;
    --surface: #101010;
    --surface-hover: #151515;

    --border: #242424;
    --border-hover: #3f3f3f;

    --text: #ffffff;
    --secondary: #9CA3AF;

    --accent: #64748B;
    --accent-soft: rgba(100,116,139,.15);

    --radius: 18px;

    --transition: .3s ease;
}

body {
    background: var(--bg);
    color: var(--text);
}

.container {
    width: min(100% - 32px, 760px);
    margin: 0 auto;
    padding-bottom: 60px;
}

.container > h1 {
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--text);
    font-size: clamp(28px, 6vw, 38px);
    font-weight: 700;
    letter-spacing: -.7px;
}

.container > .slogan {
    margin: 0 0 30px;
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.6;
}

.container > .card {
    width: 100%;
    margin: 0 0 18px;
    padding: 25px;
    box-sizing: border-box;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.container > .card:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.container > .card h3 {
    margin: 0 0 22px;
    color: var(--text);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -.2px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--secondary);
    font-size: 14px;
    font-weight: 500;
}

.form-group input {
    display: block;
    width: 100%;
    height: 48px;
    padding: 0 15px;
    box-sizing: border-box;

    background: var(--bg);
    color: var(--text);

    border: 1px solid var(--border);
    border-radius: 12px;

    outline: none;

    font-family: inherit;
    font-size: 15px;

    transition:
        background var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.form-group input::placeholder {
    color: var(--secondary);
    opacity: .55;
}

.form-group input:hover {
    border-color: var(--border-hover);
}

.form-group input:focus {
    background: var(--surface-hover);
    border-color: var(--accent);
    box-shadow:
        0 0 0 3px var(--accent-soft);
}

.form-group input:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.container > .card button {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    min-height: 48px;

    padding: 12px 18px;

    border: 1px solid #ffffff;
    border-radius: 12px;

    background: #ffffff;
    color: #050505;

    font-family: inherit;
    font-size: 14px;
    font-weight: 600;

    cursor: pointer;

    transition:
        background var(--transition),
        border-color var(--transition),
        color var(--transition),
        transform var(--transition),
        box-shadow var(--transition),
        opacity var(--transition);
}

.container > .card button:hover {
    background: #f5f5f5;
    border-color: #ffffff;
    color: #050505;

    box-shadow:
        0 0 0 3px var(--accent-soft);

    transform: translateY(-1px);
}

.container > .card button:active {
    background: #e5e5e5;
    transform: translateY(0);
    box-shadow: none;
}

.container > .card button:disabled {
    opacity: .55;
    cursor: wait;
    transform: none;
    box-shadow: none;
}

#logout {
    background: transparent;
    color: #ffffff;
    border-color: var(--border);
}

#logout:hover {
    background: var(--surface-hover);
    color: #ffffff;
    border-color: var(--border-hover);
    box-shadow: none;
}

#logout:active {
    background: var(--surface);
}

.container > .card:nth-of-type(2) {
    border-color: var(--border);
}


@media (max-width: 600px) {

    .container {
        width: min(100% - 22px, 760px);
        padding-bottom: 35px;
    }

    .container > h1 {
        margin-top: 15px;
        font-size: 29px;
    }

    .container > .slogan {
        margin-bottom: 24px;
        font-size: 14px;
    }

    .container > .card {
        margin-bottom: 14px;
        padding: 20px 17px;
        border-radius: 16px;
    }

    .container > .card h3 {
        margin-bottom: 19px;
        font-size: 17px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group input {
        height: 47px;
        font-size: 15px;
    }

    .container > .card button {
        min-height: 47px;
    }
}

@media (max-width: 380px) {

    .container {
        width: min(100% - 18px, 760px);
    }

    .container > .card {
        padding: 18px 14px;
    }

    .container > h1 {
        font-size: 27px;
    }
}

@media (prefers-reduced-motion: reduce) {

    .container > .card,
    .form-group input,
    .container > .card button,
    #currentPasswordGroup {
        transition: none;
    }
}