:root {
    --color-primary: #008294;
    --color-primary-dk: #006e7e;
    --color-danger: #dc2626;
    --color-danger-dk: #b91c1c;
    --color-secondary: #6b7280;
    --color-secondary-dk: #4b5563;
    --color-success: #16a34a;
    --color-bg: #f1f5f9;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-textblock-border: #f8aa42;
    --color-textblock-bg: #f8fafc;
}

body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
}

/* ── Navbar ─────────────────────────────────────────── */
.navbar-xp {
    background-color: var(--color-primary);
}

/* ── Section cards ──────────────────────────────────── */
.card-section {
    border: 1px solid #dee2e6;
    border-radius: 6px;
    background: #fff;
    padding: 1.2rem 1.4rem;
}
.section-title {
    font-size: 1rem;
    font-weight: 600;
    color: #222;
    padding-bottom: .45rem;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 1rem;
}

/* ── Right panel ────────────────────────────────────── */
.panel-response {
    border-left: 4px solid var(--color-textblock-border);
    background: #fff;
    border-radius: 4px;
    padding: 1.2rem 1.3rem;
}
.panel-response .panel-title {
    font-size: 1rem;
    font-weight: 600;
    padding-bottom: .45rem;
    border-bottom: 2px solid var(--color-textblock-border);
    margin-bottom: 1rem;
}
.response-box {
    font-size: .85rem;
    color: #333;
    overflow-wrap: break-word;
    word-break: break-all;
}
.response-box strong { display: block; margin-top: .5rem; }

/* ── Brand buttons ──────────────────────────────────── */
.btn-xp {
    background-color: var(--color-primary);
    border-color: var(--color-primary-dk);
    color: #fff;
}
.btn-xp:hover {
    background-color: var(--color-primary-dk);
    border-color: var(--color-primary-dk);
    color: #fff;
}
.btn-xp:disabled {
    background-color: var(--color-primary);
    border-color: var(--color-primary-dk);
    color: #fff;
    opacity: .55;
}

.btn-xp-second {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary-dk);
    color: #fff;
}
.btn-xp-second:hover {
    background-color: var(--color-secondary-dk);
    border-color: var(--color-secondary-dk);
    color: #fff;
}
.btn-xp-second:disabled {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary-dk);
    color: #fff;
    opacity: .55;
}

/* ── Link colours ───────────────────────────────────── */
a.xp-link {
    color: var(--color-primary);
}
a.xp-link:hover { color: var(--color-textblock-border); }

/* ── Checkbox ───────────────────────────────────────── */
.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}
.form-check-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 .25rem rgba(0,130,148,.25);
}

/* ── Collapse toggle ────────────────────────────────── */
.section-title[data-bs-toggle="collapse"] { cursor: pointer; user-select: none; }
.collapse-icon { font-size: .65rem; transition: transform .2s; }
.section-title[data-bs-toggle="collapse"][aria-expanded="true"] .collapse-icon {
    transform: rotate(180deg);
}

/* ── Small helper ───────────────────────────────────── */
.hint { font-size: .78rem; color: #666; font-style: italic; }
label.fw-semibold { min-width: 80px; }

/* ── Profile & Hint containers ─────────────────────── */
.preference_profile {
    border-top: 1px solid var(--color-border);
    padding-top: .75rem;
    margin-top: .75rem;
}

.preference_hint {
    font-size: .85rem;
    color: var(--color-text-muted);
}

/* ── Footer ─────────────────────────────────────────── */
footer.footer-xp {
    font-size: .8rem;
    padding: .5rem 1.5rem;
    margin-top: 2rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}