:root {
    --bg: #111416;
    --panel: #1b1f22;
    --surface: #22272b;
    --border: #3a4247;
    --text: #f4f6f7;
    --muted: #9ca6ab;
    --accent: #4cc9a4;
    --accent-hover: #67d5b4;
    --error: #f47d7d;
}

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

body {
    min-width: 320px;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, Arial, sans-serif;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-panel {
    width: min(100%, 420px);
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border);
}

.login-brand-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    font-size: 22px;
}

.login-brand div {
    display: grid;
    gap: 3px;
}

.login-brand strong {
    color: var(--accent);
    font-size: 17px;
}

.login-brand span:last-child {
    color: var(--muted);
    font-size: 11px;
}

.login-heading {
    margin: 26px 0 22px;
}

.login-heading h1 {
    margin-bottom: 7px;
    font-size: 22px;
    line-height: 1.25;
}

.login-heading p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

#login-form {
    display: grid;
    gap: 15px;
}

.login-field {
    display: grid;
    gap: 6px;
}

.login-field label {
    color: #c8ced1;
    font-size: 12px;
    font-weight: 600;
}

.login-field input {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 14px;
}

.login-field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(76, 201, 164, 0.13);
}

.password-visibility {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    cursor: pointer;
    font-size: 12px;
}

.password-visibility input {
    width: 15px;
    height: 15px;
    accent-color: var(--accent);
}

.login-error {
    padding: 10px 11px;
    border-left: 3px solid var(--error);
    background: rgba(244, 125, 125, 0.08);
    color: #ffc1c1;
    font-size: 12px;
    line-height: 1.45;
}

#login-button {
    width: 100%;
    height: 42px;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: #0e1815;
    cursor: pointer;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
}

#login-button:hover:not(:disabled) {
    background: var(--accent-hover);
}

#login-button:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 2px;
}

#login-button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.initial-access {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 11px;
}

.initial-access code {
    color: #d7e5df;
    font-family: Consolas, "Courier New", monospace;
}

@media (max-width: 480px) {
    .login-shell {
        padding: 14px;
    }

    .login-panel {
        padding: 22px;
    }
}