/*
 * Shared UI components built on tokens.css. Prefixed hp- so they can be adopted page by page
 * without colliding with the older per-page .btn / .btn-primary rules.
 *
 *   <button class="hp-btn hp-btn--primary">Save</button>
 *   <a class="hp-btn hp-btn--secondary hp-btn--sm" href="...">Cancel</a>
 *   <div class="hp-field"><label class="hp-label" for="x">Name</label><input class="hp-input" id="x"></div>
 *   <span class="hp-badge hp-badge--pro">PRO</span>
 *   <div class="hp-alert hp-alert--success">Saved.</div>
 *   <label class="hp-chip"><input type="checkbox" checked><img class="hp-cat-pin" data-pin="blue" data-pin-category="museum" alt="">Museum</label>
 */

/* ── Buttons ── */
.hp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    height: var(--control-h);
    padding: 0 var(--s-6);
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: var(--fw-semibold);
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.hp-btn:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.hp-btn:disabled,
.hp-btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.hp-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.hp-btn--primary { background: var(--c-primary); color: #fff; }
.hp-btn--primary:hover { background: var(--c-primary-hover); color: #fff; }

.hp-btn--secondary { background: var(--c-surface); border-color: var(--c-line-strong); color: var(--c-ink); }
.hp-btn--secondary:hover { background: var(--c-canvas); color: var(--c-ink); }

.hp-btn--ghost { background: transparent; color: var(--c-primary); padding: 0 var(--s-4); }
.hp-btn--ghost:hover { background: var(--c-primary-tint); color: var(--c-primary-hover); }

.hp-btn--soft { background: var(--c-primary-tint); color: var(--c-primary-hover); }
.hp-btn--soft:hover { background: var(--c-primary-tint-2); }

.hp-btn--danger { background: var(--c-danger); color: #fff; }
.hp-btn--danger:hover { background: var(--c-danger-ink); color: #fff; }

/* The one accent-coloured action per screen (e.g. One Click Trip). Dark text: white on orange fails contrast. */
.hp-btn--accent { background: var(--c-accent); color: var(--c-ink); font-weight: var(--fw-bold); }
.hp-btn--accent:hover { background: #E07B17; color: var(--c-ink); }

.hp-btn--sm { height: var(--control-h-sm); padding: 0 var(--s-3); font-size: var(--fs-small); }
.hp-btn--block { display: flex; width: 100%; }
.hp-btn--icon { width: var(--control-h); padding: 0; }
.hp-btn--icon.hp-btn--sm { width: var(--control-h-sm); }

/* ── Form fields ── */
.hp-field { display: flex; flex-direction: column; gap: 6px; }
.hp-label { font-size: var(--fs-small); font-weight: var(--fw-semibold); color: var(--c-ink); }
.hp-input,
.hp-select,
.hp-textarea {
    box-sizing: border-box;
    width: 100%;
    min-height: var(--control-h);
    padding: 0 14px;
    border: 1px solid var(--c-line-strong);
    border-radius: var(--r-sm);
    background: var(--c-surface);
    color: var(--c-ink);
    font-family: inherit;
    font-size: 0.9375rem;
}
.hp-textarea { padding: 10px 14px; min-height: 96px; line-height: var(--lh-body); resize: vertical; }
.hp-input::placeholder,
.hp-textarea::placeholder { color: var(--c-muted); }
.hp-input:focus,
.hp-select:focus,
.hp-textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: var(--focus-ring); }
.hp-input[aria-invalid="true"],
.hp-field--error .hp-input,
.hp-field--error .hp-select,
.hp-field--error .hp-textarea { border-color: var(--c-danger); }
.hp-input:disabled,
.hp-select:disabled { background: var(--c-canvas); color: var(--c-muted); cursor: not-allowed; }
.hp-select {
    appearance: none;
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235E6E7F' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}
.hp-hint { font-size: 0.8125rem; color: var(--c-muted); }
.hp-error { font-size: 0.8125rem; font-weight: var(--fw-medium); color: var(--c-danger-ink); }

/* ── Cards ── */
.hp-card {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    padding: var(--s-6);
}
.hp-card--raised { border-color: transparent; box-shadow: var(--shadow-1); }

/* ── Badges ── */
.hp-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--s-1);
    padding: 3px 10px;
    border-radius: var(--r-full);
    background: var(--c-primary-tint);
    color: var(--c-primary-hover);
    font-size: var(--fs-label);
    font-weight: var(--fw-semibold);
    line-height: 1.4;
    white-space: nowrap;
}
.hp-badge--accent { background: var(--c-accent-tint); color: var(--c-accent-ink); }
.hp-badge--success { background: var(--c-success-tint); color: var(--c-success-ink); }
.hp-badge--warning { background: var(--c-warning-tint); color: var(--c-warning-ink); }
.hp-badge--danger { background: var(--c-danger-tint); color: var(--c-danger-ink); }
.hp-badge--neutral { background: var(--c-canvas); color: var(--c-ink-2); }
.hp-badge--pro { background: var(--c-accent); color: var(--c-ink); font-weight: var(--fw-heavy); letter-spacing: 0.04em; }

/* ── Alerts ── */
.hp-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--s-3);
    padding: var(--s-3) var(--s-4);
    border-radius: var(--r-md);
    background: var(--c-primary-tint);
    color: var(--c-primary-hover);
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    line-height: var(--lh-body);
}
.hp-alert--success { background: var(--c-success-tint); color: var(--c-success-ink); }
.hp-alert--warning { background: var(--c-warning-tint); color: var(--c-warning-ink); }
.hp-alert--danger { background: var(--c-danger-tint); color: var(--c-danger-ink); }

/* ── Filter chips (checkbox inside, the chip shows its state) ── */
.hp-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: var(--control-h-sm);
    padding: 0 var(--s-3) 0 6px;
    border: 1px solid var(--c-line-strong);
    border-radius: var(--r-full);
    background: var(--c-surface);
    color: var(--c-ink-2);
    font-size: 0.8125rem;
    font-weight: var(--fw-semibold);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.hp-chip:hover { border-color: var(--c-primary); }
.hp-chip input[type="checkbox"] { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.hp-chip:has(input:checked) { background: var(--c-primary-tint); border-color: var(--c-primary); color: var(--c-primary-hover); }
.hp-chip:has(input:not(:checked)) .hp-cat-pin { filter: grayscale(1); opacity: 0.55; }
.hp-chip:has(input:focus-visible) { box-shadow: var(--focus-ring); }

/* Category icon: the same pre-rendered pin as on the map (js/map-pins.js fills the image) */
.hp-cat-pin { display: inline-block; vertical-align: middle; flex-shrink: 0; }

/* ── Toast notifications (js/notify.js: hpAlert) ── */
.hp-toast-region {
    position: fixed;
    top: 72px;                     /* below the 56px navbar */
    left: 50%;
    transform: translateX(-50%);
    z-index: 10050;                /* above modals and overlays */
    width: min(440px, calc(100vw - 32px));
    display: flex;
    flex-direction: column;
    gap: var(--s-2);
    pointer-events: none;
}
.hp-toast {
    display: flex;
    align-items: flex-start;
    gap: var(--s-3);
    padding: var(--s-3) var(--s-2) var(--s-3) var(--s-3);
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-2);
    color: var(--c-ink);
    font-family: var(--font);
    font-size: var(--fs-small);
    line-height: var(--lh-body);
    pointer-events: auto;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.hp-toast.is-visible { opacity: 1; transform: none; }
.hp-toast-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: var(--r-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary-tint);
    color: var(--c-primary);
}
.hp-toast--success .hp-toast-icon { background: var(--c-success-tint); color: var(--c-success); }
.hp-toast--warning .hp-toast-icon { background: var(--c-warning-tint); color: var(--c-warning); }
.hp-toast--error .hp-toast-icon { background: var(--c-danger-tint); color: var(--c-danger); }
.hp-toast-text { flex: 1; min-width: 0; padding-top: 6px; overflow-wrap: anywhere; white-space: pre-line; }
.hp-toast-close {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--r-sm);
    background: transparent;
    color: var(--c-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.hp-toast-close:hover { background: var(--c-canvas); color: var(--c-ink); }
.hp-toast-close:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 1px; }
@media (prefers-reduced-motion: reduce) {
    .hp-toast { transition: none; transform: none; }
}

/* ── Confirmation dialog (js/notify.js: hpConfirm, data-confirm) ── */
.hp-dialog {
    width: min(440px, calc(100vw - 32px));
    padding: var(--s-6);
    border: none;
    border-radius: var(--r-lg);
    background: var(--c-surface);
    color: var(--c-ink);
    box-shadow: var(--shadow-2);
    font-family: var(--font);
}
.hp-dialog::backdrop { background: rgba(15, 34, 51, 0.45); }
.hp-dialog[open] { animation: hp-dialog-in 0.18s ease-out; }
@keyframes hp-dialog-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } }
.hp-dialog-body { display: flex; align-items: flex-start; gap: var(--s-4); }
.hp-dialog-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--r-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-warning-tint);
    color: var(--c-warning);
}
.hp-dialog--danger .hp-dialog-icon { background: var(--c-danger-tint); color: var(--c-danger); }
.hp-dialog-text {
    margin: 0;
    padding-top: 10px;
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    white-space: pre-line;
    overflow-wrap: anywhere;
}
.hp-dialog-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--s-3);
    margin-top: var(--s-6);
}
@media (max-width: 480px) {
    .hp-dialog-actions .hp-btn { flex: 1 1 0; }
}
@media (prefers-reduced-motion: reduce) {
    .hp-dialog[open] { animation: none; }
}

/* Translate icon next to POI names (js/poi-translate.js) */
.poi-translate-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-left: var(--s-1);
    padding: 0;
    vertical-align: middle;
    flex: 0 0 auto;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--c-muted);
    cursor: pointer;
    line-height: 1;
}
.poi-translate-btn[hidden] { display: none; }
.poi-translate-btn:hover { color: var(--c-primary); background: var(--c-primary-tint); }
.poi-translate-btn:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 1px; }
.poi-translate-btn.is-translated { color: var(--c-primary); background: var(--c-primary-tint-2); }
.poi-translate-btn.is-loading { opacity: 0.5; cursor: progress; }
.poi-translate-btn svg { width: 16px; height: 16px; }