* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #f1f5f9;
    --bg2: #ffffff;
    --bg3: #f8fafc;
    --border: #e2e8f0;
    --accent: #2563eb;
    --accent-r: #dc2626;
    --text: #0f172a;
    --text2: #475569;
    --text3: #94a3b8;
    --shadow-md: 0 4px 16px rgba(15, 23, 42, .08);
    --mono: 'JetBrains Mono', monospace;
    --sans: 'Inter', sans-serif;
}

body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font-family: var(--sans);
}

.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(circle at 15% 18%, rgba(37, 99, 235, .12), transparent 28%),
        radial-gradient(circle at 85% 78%, rgba(22, 163, 74, .10), transparent 26%),
        var(--bg);
}

.login-box {
    width: min(380px, 100%);
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    padding: 46px 40px 38px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, #1d4ed8, #3b82f6);
    border-radius: 18px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, .3);
    margin-bottom: 16px;
}

.login-logo-icon svg {
    width: 34px;
    height: 34px;
}

.login-logo h1 {
    color: var(--text);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.5px;
}

.login-logo h1 span {
    color: var(--accent);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    margin-left: 6px;
    vertical-align: middle;
}

.login-logo p {
    color: var(--text3);
    font-size: 13px;
    font-weight: 500;
    line-height: 1.45;
    margin-top: 7px;
}

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

.login-field label {
    display: block;
    color: var(--text3);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .6px;
    margin-bottom: 7px;
    text-transform: uppercase;
}

.login-field input {
    width: 100%;
    background: var(--bg3);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 14px;
    min-height: 46px;
    outline: none;
    padding: 13px 16px;
    transition: border-color .2s, box-shadow .2s, background .2s;
}

.login-field input:focus {
    background: #fff;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.login-btn {
    width: 100%;
    min-height: 46px;
    background: var(--accent);
    border: 0;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, .25);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .2px;
    margin-top: 8px;
    transition: background .2s, box-shadow .2s, transform .1s;
}

.login-btn:hover {
    background: #1d4ed8;
    box-shadow: 0 6px 16px rgba(37, 99, 235, .35);
}

.login-btn:active {
    transform: scale(.98);
}

.login-error {
    display: none;
    color: var(--accent-r);
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 18px;
    padding: 11px 12px;
    text-align: center;
}

.login-error.is-visible {
    display: block;
}

.auth-redirect {
    color: var(--text3);
    font-size: 13px;
    margin-top: 22px;
    text-align: center;
}

.auth-redirect a {
    color: var(--accent);
    font-weight: 700;
}

.auth-redirect a:hover {
    text-decoration: underline;
}

@media (max-width: 460px) {
    .auth-body {
        padding: 16px;
    }

    .login-box {
        padding: 34px 22px 28px;
        border-radius: 20px;
    }
}