:root {
    --bg: #08080c;
    --surface: #0e0e14;
    --surface-2: #141420;
    --text: #cdd1d5;
    --text-bright: #e4e8ec;
    --dim: #6a6e78;
    --faint: #2e3240;
    --green: #5ea465;
    --green-hover: #72b878;
    --green-30: rgba(94, 164, 101, 0.30);
    --red: #c85050;
    --radius: 3px;
    --font: 'Space Mono', monospace;
}

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

html, body {
    height: 100%;
    font-family: var(--font);
    font-size: 13px;
    line-height: 1.7;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--green-30);
    color: inherit;
}

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--faint);
    border-radius: 8px;
    padding: 32px 28px;
    width: 100%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-bright);
}

.login-sub {
    font-size: 12px;
    color: var(--dim);
    margin-top: -8px;
}

.login-input {
    width: 100%;
    background: var(--surface-2);
    border: 1px solid var(--faint);
    border-radius: var(--radius);
    color: var(--text-bright);
    font-family: var(--font);
    font-size: 14px;
    padding: 10px 12px;
    outline: none;
    transition: border-color 0.15s ease;
}

.login-input:focus {
    border-color: var(--green);
}

.login-btn {
    background: var(--green);
    color: var(--bg);
    border: none;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 700;
    padding: 10px 12px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.login-btn:hover {
    background: var(--green-hover);
}

.login-btn:active {
    transform: translateY(1px);
}

.login-err {
    font-size: 12px;
    color: var(--red);
    text-align: center;
    min-height: 18px;
    visibility: hidden;
}

.login-err[data-err="1"] {
    visibility: visible;
}