/* ============================================================
   Standardised Button System — Reading CIC
   Usage:
     Base  : class="btn"
     Size  : add btn--sm  (default is regular)
     Color : add btn--primary | btn--secondary | btn--danger | btn--outline
   Examples:
     <button class="btn btn--primary">Save</button>
     <button class="btn btn--sm btn--danger">Delete</button>
     <a href="…" class="btn btn--sm btn--outline">View</a>
   ============================================================ */

/* ── Base ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.45rem 1.1rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease,
                color 0.15s ease, opacity 0.15s ease, transform 0.1s ease;
    user-select: none;
    vertical-align: middle;
}

.btn:active:not(:disabled) {
    transform: scale(0.97);
}

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Size modifier ───────────────────────────────────────── */
.btn--sm {
    padding: 0.25rem 0.7rem;
    font-size: 0.8rem;
    border-radius: 4px;
}

/* ── Icon-only modifier ──────────────────────────────────── */
.btn--icon {
    padding: 0.25rem 0.4rem;
    font-size: 1rem;
    line-height: 1;
    min-width: 2rem;
}

/* ── Primary ─────────────────────────────────────────────── */
.btn--primary {
    background-color: var(--color-primary, #005a9c);
    border-color: var(--color-primary, #005a9c);
    color: #fff;
}

.btn--primary:hover:not(:disabled),
.btn--primary:focus-visible:not(:disabled) {
    background-color: var(--color-primary-dk, #003d6b);
    border-color: var(--color-primary-dk, #003d6b);
}

/* ── Secondary ───────────────────────────────────────────── */
.btn--secondary {
    background-color: #6c757d;
    border-color: #6c757d;
    color: #fff;
}

.btn--secondary:hover:not(:disabled),
.btn--secondary:focus-visible:not(:disabled) {
    background-color: #545b62;
    border-color: #545b62;
}

/* ── Danger ──────────────────────────────────────────────── */
.btn--danger {
    background-color: var(--color-danger, #d32f2f);
    border-color: var(--color-danger, #d32f2f);
    color: #fff;
}

.btn--danger:hover:not(:disabled),
.btn--danger:focus-visible:not(:disabled) {
    background-color: #b71c1c;
    border-color: #b71c1c;
}

/* ── Outline (primary colour, transparent fill) ─────────── */
.btn--outline {
    background-color: transparent;
    border-color: var(--color-primary, #005a9c);
    color: var(--color-primary, #005a9c);
}

.btn--outline:hover:not(:disabled),
.btn--outline:focus-visible:not(:disabled) {
    background-color: var(--color-primary, #005a9c);
    color: #fff;
}

/* ── Pagination ──────────────────────────────────────────── */
.btn--pagination {
    background-color: var(--color-primary, #005a9c);
    border-color: var(--color-primary, #005a9c);
    color: #fff;
    min-height: var(--min-tap, 48px);
    padding: 0.5rem 1.25rem;
    font-size: 1rem;
}

.btn--pagination:hover:not(:disabled),
.btn--pagination:focus-visible:not(:disabled) {
    background-color: var(--color-primary-dk, #003d6b);
    border-color: var(--color-primary-dk, #003d6b);
}

.btn--pagination:disabled {
    background-color: #9e9e9e;
    border-color: #9e9e9e;
    opacity: 1;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Back/cancel ghost link ──────────────────────────────── */
.btn--back-link {
    background: none;
    border-color: transparent;
    color: var(--color-primary, #005a9c);
    padding: 0;
    font-size: 0.9rem;
    font-weight: 400;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.btn--back-link:hover:not(:disabled),
.btn--back-link:focus-visible:not(:disabled) {
    background: none;
    color: var(--color-primary-dk, #003d6b);
}

/* ── Delete (outline-danger, used in photo/caption rows) ─── */
.btn--delete {
    background-color: transparent;
    border-color: var(--color-danger, #d32f2f);
    color: var(--color-danger, #d32f2f);
}

.btn--delete:hover:not(:disabled),
.btn--delete:focus-visible:not(:disabled) {
    background-color: var(--color-danger, #d32f2f);
    border-color: var(--color-danger, #d32f2f);
    color: #fff;
}

/* ── Upload ──────────────────────────────────────────────── */
.btn--upload {
    background-color: var(--color-primary, #005a9c);
    border-color: var(--color-primary, #005a9c);
    color: #fff;
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
}

.btn--upload:hover:not(:disabled),
.btn--upload:focus-visible:not(:disabled) {
    opacity: 0.85;
    background-color: var(--color-primary, #005a9c);
}

/* ── Large CTA (registration / public pages) ─────────────── */
.btn--lg {
    padding: 1.1rem 2.5rem;
    font-size: 1.15rem;
    border-radius: 8px;
    min-height: var(--min-tap, 48px);
}

/* ── Book large (activity detail CTA) ───────────────────── */
.btn--book-large {
    width: 100%;
    padding: 0.85rem;
    font-size: 1.2rem;
    font-weight: bold;
    background-color: var(--color-primary, #005a9c);
    border-color: var(--color-primary, #005a9c);
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
}

.btn--book-large:hover:not(:disabled),
.btn--book-large:focus-visible:not(:disabled) {
    background-color: var(--color-primary-dk, #003d6b);
    border-color: var(--color-primary-dk, #003d6b);
}

/* ── Add participant (dashed outline) ────────────────────── */
.btn--add {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: #e3f2fd;
    border: 2px dashed var(--color-primary, #005a9c);
    color: var(--color-primary, #005a9c);
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 4px;
}

.btn--add:hover:not(:disabled),
.btn--add:focus-visible:not(:disabled) {
    background: #cce4f7;
}

/* ── Confirm / full-width CTA (booking page) ─────────────── */
.btn--confirm-large {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.4rem;
    font-weight: bold;
    background-color: var(--color-success, #2e7d32);
    border-color: var(--color-success, #2e7d32);
    color: #fff;
    border-radius: 8px;
    margin-top: 1.5rem;
}

.btn--confirm-large:hover:not(:disabled),
.btn--confirm-large:focus-visible:not(:disabled) {
    background-color: #1b5e20;
    border-color: #1b5e20;
}

/* ── Full-width utility ──────────────────────────────────── */
.btn--full {
    width: 100%;
}

/* ── Tag / filter chip ───────────────────────────────────── */
.btn--tag {
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: #444;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn--tag:hover:not(:disabled),
.btn--tag:focus-visible:not(:disabled) {
    background-color: #e8eef5;
    border-color: var(--color-primary, #005a9c);
    color: var(--color-primary, #005a9c);
}

.btn--tag-active,
.btn--tag.btn--tag-active {
    background-color: var(--color-primary, #005a9c);
    border-color: var(--color-primary, #005a9c);
    color: #fff;
}

.btn--tag-active:hover:not(:disabled) {
    background-color: var(--color-primary-dk, #003d6b);
    border-color: var(--color-primary-dk, #003d6b);
}

/* Smaller variant used inside cards */
.btn--tag-sm {
    font-size: 0.75rem;
    padding: 0.15rem 0.55rem;
}

.btn--success {
    background-color: #1a7a3c;
    color: #fff;
    border-color: #1a7a3c;
}

.btn--success:hover:not(:disabled),
.btn--success:focus-visible:not(:disabled) {
    background-color: #155f2f;
    border-color: #155f2f;
}

.member-status-badge {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    vertical-align: middle;
}

.member-status-badge--pending   { background: #fff3cd; color: #7a5800; border: 1px solid #e0c84a; }
.member-status-badge--active    { background: #d4edda; color: #155724; border: 1px solid #6bbd8a; }
.member-status-badge--suspended { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.member-status-badge--inactive  { background: #e2e3e5; color: #383d41; border: 1px solid #c8c9ca; }