body {
    padding: 0 20px 60px 20px;
}

#site-header {
    margin: 0 -20px;
}

.container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    margin: 0 auto 24px auto;
}

#container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

h1 {
    color: var(--text);
    font-size: 2.2em;
    margin: 0 0 10px 0;
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    color: var(--accent-bright);
    font-size: 1.2em;
    margin: 0 0 16px 0;
}

h3 {
    color: var(--text);
    margin: 0 0 14px 0;
    font-size: 1.05em;
}

p {
    color: var(--text-muted);
}

input,
button {
    background: var(--surface-alt);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

input:focus,
button:focus {
    outline: none;
    border-color: var(--accent-bright);
}

input[type="text"].error {
    border-color: #e3564c;
}

input[type="text"].success {
    border-color: #3ddc84;
}

button {
    font-weight: 600;
    padding: 10px 18px;
    font-size: 0.95rem;
    background: linear-gradient(180deg, var(--accent-bright), var(--accent));
    color: #fff;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(23, 163, 152, 0.3);
}

button i,
button .fa-solid {
    margin-right: 6px;
}

/* Result bar */

.result {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px 14px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 22px;
}

.result-label {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.result #number {
    color: var(--accent-bright);
    font-size: 1.6em;
    font-weight: 700;
    font-family: "Courier New", monospace;
}

.result-equation {
    color: var(--text-muted);
    font-family: "Courier New", monospace;
    font-size: 0.9em;
    word-break: break-all;
}

/* OAuth section */

.oauth-section {
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.oauth-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    align-items: end;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field label {
    color: var(--text-muted);
    font-size: 0.85em;
    font-weight: 600;
}

.field input {
    width: 100%;
}

.oauth-grid .checkbox-container {
    margin-bottom: 0;
    height: 100%;
}

.invite-link-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
}

.invite-link-row a {
    flex: 1;
    min-width: 200px;
    color: var(--accent-bright);
    font-family: "Courier New", monospace;
    font-size: 0.9em;
    word-break: break-all;
}

.invite-link-row a.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    pointer-events: none;
}

/* 2FA note */

.twofa-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    margin: 0;
}

.twofa-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(250, 166, 26, 0.15);
    color: #faa61a;
    border: 1px solid rgba(250, 166, 26, 0.4);
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 0.75em;
    font-weight: 700;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

/* Permission checkboxes */

.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.permission-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.permission-group .checkbox-container {
    margin-bottom: 0;
    padding: 10px 14px;
    justify-content: space-between;
}

.permission-group .label-text {
    display: flex;
    align-items: center;
    gap: 8px;
}

@media (max-width: 600px) {
    .container {
        padding: 18px;
    }

    h1 {
        font-size: 1.7em;
    }

    input,
    button {
        width: 100%;
    }

    .invite-link-row {
        flex-direction: column;
        align-items: stretch;
    }

    .invite-link-row button {
        width: 100%;
    }
}