/* ==========================================================================
   Chat / Messages UI Styles
   ========================================================================== */

/* Chat Layout */
.hh-chat {
    display: flex;
    flex-direction: column;
    height: calc(100svh - 72px - env(safe-area-inset-bottom, 0px) - var(--hh-android-mobile-nav-lift, 0px));
    /* Adjust for topbar */
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.hh-chat-header {
    display: flex;
    align-items: center;
    gap: 0.72rem;
    padding: 0.85rem 1rem;
    background: var(--hh-dark-surface);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--hh-glass-border);
    position: sticky;
    top: 0;
    z-index: var(--hh-z-sticky);
}

.hh-chat-trust-banner {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0.5rem 1rem 0;
    padding: 0.38rem 0.55rem;
    border-radius: 9px;
    border: 1px solid var(--hh-glass-border);
    background: var(--hh-surface-soft);
    color: var(--hh-text-muted);
    font-size: 0.72rem;
}

.hh-chat-date-mode-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
    margin: 0.5rem 1rem 0;
    padding: 0.5rem 0.65rem;
    border: 1px solid rgba(var(--hh-success-rgb), 0.32);
    border-radius: 9px;
    background: rgba(var(--hh-success-rgb), 0.1);
    color: var(--hh-text-secondary);
    font-size: 0.76rem;
    line-height: 1.4;
}

.hh-chat-date-mode-copy {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    flex: 1 1 15rem;
    min-width: 0;
}

.hh-chat-date-mode-banner a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--hh-success);
    font-weight: 700;
}

.hh-chat-date-mode-banner a:focus-visible {
    outline: 2px solid var(--hh-accent);
    outline-offset: 2px;
}

.hh-chat-history-state {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 0 1rem;
}

.hh-chat-connection-state {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    margin: 0.65rem 1rem 0;
    padding: 0.62rem 0.75rem;
    border: 1px solid rgba(var(--hh-primary-rgb), 0.32);
    border-radius: 11px;
    background: rgba(var(--hh-primary-rgb), 0.09);
    color: var(--hh-text-secondary);
    font-size: 0.78rem;
}

.hh-chat-connection-state.offline {
    border-color: rgba(var(--hh-danger-rgb), 0.35);
    background: rgba(var(--hh-danger-rgb), 0.1);
    color: var(--hh-danger);
}

.hh-chat-connection-state__copy {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    flex: 1 1 15rem;
}

.hh-chat-connection-state .btn-secondary {
    min-height: 44px;
    flex: 0 0 auto;
}

.hh-chat-history-warning {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    margin: 0.65rem 1rem 0;
    padding: 0.7rem 0.8rem;
    border: 1px solid rgba(var(--hh-warning-rgb), 0.38);
    border-radius: 12px;
    background: rgba(var(--hh-warning-rgb), 0.1);
    color: var(--hh-warning);
    font-size: 0.78rem;
}

.hh-chat-history-warning.error {
    border-color: rgba(var(--hh-danger-rgb), 0.38);
    background: rgba(var(--hh-danger-rgb), 0.1);
    color: var(--hh-danger);
}

.hh-chat-history-warning__copy {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    flex: 1 1 16rem;
}

.hh-chat-history-warning__error {
    display: block;
    margin-top: 0.25rem;
    font-weight: 700;
}

.hh-chat-history-warning__actions {
    display: flex;
    flex: 0 1 auto;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
}

.hh-chat-history-warning .btn-secondary,
.hh-chat-history-warning .btn-primary,
.hh-chat-history-state .btn-primary {
    min-height: 44px;
    min-width: 44px;
    flex: 0 0 auto;
    white-space: normal;
    text-align: center;
}

.hh-chat-history-warning button:focus-visible,
.hh-chat-history-state button:focus-visible,
.hh-chat-connection-state button:focus-visible {
    outline: 2px solid var(--hh-accent);
    outline-offset: 2px;
}

.hh-chat-starters {
    margin: 0.65rem 1rem 0;
    padding: 0.65rem 0.7rem;
    border-radius: 12px;
    border: 1px solid rgba(var(--hh-primary-rgb), 0.2);
    background: var(--hh-surface-soft);
}

.hh-chat-starters-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    color: var(--hh-text-primary);
    font-size: 0.8rem;
    font-weight: 700;
}

.hh-chat-starters-head span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.hh-chat-starters p {
    margin: 0.35rem 0 0;
    color: var(--hh-text-muted);
    font-size: 0.76rem;
}

.hh-chat-starters-dismiss {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 999px;
    border: 1px solid var(--hh-glass-border);
    background: transparent;
    color: var(--hh-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.hh-chat-starters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.65rem;
}

.hh-chat-starter-chip {
    min-width: 44px;
    min-height: 44px;
    box-sizing: border-box;
    border: 1px solid rgba(var(--hh-primary-rgb), 0.24);
    background: rgba(255, 255, 255, 0.04);
    color: var(--hh-text-primary);
    border-radius: 12px;
    padding: 0.45rem 0.85rem;
    font-size: 0.78rem;
    line-height: 1.35;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
    width: 100%;
    text-align: left;
}

.hh-chat-starter-chip:hover:not(:disabled) {
    background: rgba(var(--hh-primary-rgb), 0.15);
    border-color: rgba(var(--hh-primary-rgb), 0.48);
    transform: translateY(-1px);
}

.hh-chat-starter-chip:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hh-chat-confidence {
    margin: 0.65rem 1rem 0;
    padding: 0.68rem 0.72rem;
    border-radius: 12px;
    border: 1px solid rgba(var(--hh-security-rgb), 0.26);
    background: var(--hh-surface-soft);
}

.hh-chat-confidence-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    color: var(--hh-text-primary);
    font-size: 0.8rem;
    font-weight: 700;
}

.hh-chat-confidence-head span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.hh-chat-confidence-copy {
    margin: 0.4rem 0 0;
    color: var(--hh-text-muted);
    font-size: 0.76rem;
}

.hh-chat-confidence-tones {
    margin-top: 0.62rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.hh-chat-tone-chip {
    min-width: 44px;
    min-height: 44px;
    box-sizing: border-box;
    border: 1px solid rgba(var(--hh-primary-rgb), 0.22);
    background: rgba(255, 255, 255, 0.03);
    color: var(--hh-text-secondary);
    border-radius: 999px;
    padding: 0.35rem 0.68rem;
    font-size: 0.73rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.hh-chat-tone-chip.active {
    background: rgba(var(--hh-primary-rgb), 0.16);
    border-color: rgba(var(--hh-primary-rgb), 0.52);
    color: var(--hh-text-primary);
}

.hh-chat-confidence-list {
    display: flex;
    flex-direction: column;
    gap: 0.42rem;
    margin-top: 0.65rem;
}

.hh-chat-confidence-item {
    width: 100%;
    min-width: 44px;
    min-height: 44px;
    box-sizing: border-box;
    text-align: left;
    border: 1px solid rgba(var(--hh-security-rgb), 0.24);
    background: rgba(255, 255, 255, 0.03);
    color: var(--hh-text-primary);
    border-radius: 11px;
    padding: 0.5rem 0.62rem;
    font-size: 0.75rem;
    line-height: 1.4;
    cursor: pointer;
    transition: all 0.2s ease;
}

.hh-chat-confidence-item:hover:not(:disabled),
.hh-chat-tone-chip:hover:not(:disabled) {
    background: rgba(var(--hh-primary-rgb), 0.12);
    border-color: rgba(var(--hh-primary-rgb), 0.45);
}

.hh-chat-confidence-item:disabled,
.hh-chat-tone-chip:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hh-chat-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    min-width: 44px;
    height: 44px;
    border-radius: 999px;
    color: var(--hh-text-secondary);
    transition: color 0.2s ease;
}

.hh-chat-back:hover {
    color: var(--hh-text-primary);
}

.hh-chat-back:focus-visible,
.hh-send-btn:focus-visible,
.hh-chat-starter-chip:focus-visible,
.hh-chat-starters-dismiss:focus-visible,
.hh-chat-confidence-item:focus-visible,
.hh-chat-tone-chip:focus-visible {
    outline: 2px solid var(--hh-accent);
    outline-offset: 2px;
}

.hh-chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--hh-glass-border-highlight);
}

.hh-chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hh-chat-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--hh-text-primary);
    margin: 0;
}

.hh-chat-status {
    font-size: 0.7rem;
    color: var(--hh-success);
    margin: 0;
}

/* Messages List */
.hh-message-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    scroll-behavior: smooth;
}

.hh-message-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    max-width: 86%;
}

.hh-message-group.sent {
    align-self: flex-end;
    align-items: flex-end;
}

.hh-message-group.received {
    align-self: flex-start;
    align-items: flex-start;
}

.hh-message-bubble {
    padding: 0.75rem 1rem;
    border-radius: 18px;
    font-size: 0.9375rem;
    line-height: 1.5;
    position: relative;
    word-break: break-word;
}

.hh-message-group.sent .hh-message-bubble {
    background: var(--hh-gradient-primary);
    color: var(--hh-text-inverse);
    border-bottom-right-radius: 4px;
    box-shadow: var(--hh-shadow-sm);
}

.hh-message-group.received .hh-message-bubble {
    background: var(--hh-dark-elevated);
    border: 1px solid var(--hh-glass-border);
    color: var(--hh-text-primary);
    border-bottom-left-radius: 4px;
}

.hh-message-group.sent .hh-message-bubble.history-unavailable,
.hh-message-group.received .hh-message-bubble.history-unavailable {
    border: 1px dashed currentColor;
    background: var(--hh-surface-soft);
    color: var(--hh-text-secondary);
    box-shadow: none;
}

.hh-message-unavailable {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-style: italic;
}

.hh-message-time {
    font-size: 0.75rem;
    color: var(--hh-text-muted);
    margin: 0 0.5rem;
}

.hh-message-send-state {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 0.4rem 0.65rem;
    max-width: min(100%, 28rem);
    margin: 0 0.35rem;
    color: var(--hh-text-muted);
    font-size: 0.72rem;
}

.hh-message-send-state.failed {
    color: var(--hh-danger);
}

.hh-message-send-state.resume-target {
    padding: 0.55rem 0.65rem;
    border: 1px solid currentColor;
    border-radius: 12px;
    background: rgba(var(--hh-danger-rgb), 0.08);
    scroll-margin-block: 5rem;
}

.hh-message-send-state.resume-target:focus {
    outline: 3px solid var(--hh-accent);
    outline-offset: 3px;
}

.hh-message-send-actions {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.35rem;
}

.hh-message-send-actions button {
    min-height: 44px;
    min-width: 44px;
    padding: 0.3rem 0.65rem;
    border: 1px solid currentColor;
    border-radius: 999px;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.hh-message-send-actions button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.hh-message-send-actions button:focus-visible {
    outline: 2px solid var(--hh-accent);
    outline-offset: 2px;
}

.hh-chat-send-error {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0.45rem 1rem 0;
    padding: 0.55rem 0.7rem;
    border: 1px solid rgba(var(--hh-danger-rgb), 0.35);
    border-radius: 10px;
    background: rgba(var(--hh-danger-rgb), 0.1);
    color: var(--hh-danger);
    font-size: 0.78rem;
}

.hh-chat-resume-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.55rem 1rem 0;
    padding: 0.6rem 0.75rem;
    border: 1px solid rgba(var(--hh-accent-rgb), 0.45);
    border-radius: 12px;
    background: rgba(var(--hh-accent-rgb), 0.1);
    color: var(--hh-text-primary);
    font-size: 0.8rem;
}

/* Input Area */
.hh-chat-input-area {
    padding: 0.85rem 1rem;
    padding-bottom: calc(0.85rem + env(safe-area-inset-bottom, 0px));
    background: var(--hh-dark-surface);
    border-top: 1px solid var(--hh-glass-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    box-sizing: border-box;
    flex-shrink: 0;
}

.hh-chat-input-wrapper {
    flex: 1;
    position: relative;
}

.hh-chat-input {
    width: 100%;
    background: var(--hh-input-bg);
    border: 1px solid var(--hh-glass-border);
    border-radius: 24px;
    padding: 0.68rem 1rem;
    color: var(--hh-text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
    box-sizing: border-box;
}

.hh-chat-input:focus {
    outline: none;
    border-color: var(--hh-primary);
    background: var(--hh-input-bg-focus);
    box-shadow: 0 0 0 2px rgba(var(--hh-primary-rgb), 0.15);
}

.hh-send-btn {
    width: 44px;
    min-width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--hh-primary);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
    box-shadow: var(--hh-shadow-sm);
    flex-shrink: 0;
}

.hh-send-btn:hover:not(:disabled) {
    transform: scale(1.05);
}

.hh-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--hh-dark-elevated);
}

/* Typing indicator */
.hh-typing-indicator {
    display: flex;
    gap: 4px;
    padding: 0.75rem 1rem;
    background: var(--hh-dark-elevated);
    border-radius: var(--hh-radius-md);
    width: fit-content;
    margin: 0.5rem 0;
    align-items: center;
    animation: fadeIn 0.2s ease;
}

.hh-typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--hh-text-secondary);
    animation: typingBounce 1.2s ease-in-out infinite;
}

.hh-typing-dot:nth-child(2) {
    animation-delay: 0.15s;
}

.hh-typing-dot:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes typingBounce {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* Gallery Button */
.hh-gallery-btn {
    width: 44px;
    min-width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--hh-dark-elevated);
    border: 1px solid var(--hh-glass-border);
    color: var(--hh-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    flex-shrink: 0;
}

.hh-gallery-btn:hover:not(:disabled) {
    background: rgba(var(--hh-primary-rgb), 0.15);
    border-color: rgba(var(--hh-primary-rgb), 0.4);
    color: var(--hh-primary);
}

.hh-gallery-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Photo Picker Dialog */
dialog.hh-native-dialog.hh-photo-picker-sheet {
    position: fixed;
    inset: auto 0 0;
    margin: 0 auto;
    border: 0;
    background: var(--hh-dark-surface);
    border-radius: var(--hh-radius-xl) var(--hh-radius-xl) 0 0;
    padding: 1.25rem;
    padding-bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
    width: 100%;
    max-width: 500px;
    max-height: 70vh;
    overflow-y: auto;
    animation: hh-messages-slide-up 0.3s ease;
}

dialog.hh-native-dialog.hh-photo-picker-sheet::backdrop {
    background: rgba(0, 0, 0, 0.6);
}

@keyframes hh-messages-slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.hh-photo-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.hh-photo-picker-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--hh-text-primary);
    margin: 0;
}

.hh-photo-picker-close {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--hh-glass-border);
    background: transparent;
    color: var(--hh-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* Photo Picker Grid */
.hh-photo-picker-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.hh-photo-picker-item {
    aspect-ratio: 3/4;
    border-radius: var(--hh-radius-lg);
    overflow: hidden;
    border: 2px solid var(--hh-glass-border);
    background: var(--hh-dark-elevated);
    cursor: pointer;
    padding: 0;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.hh-photo-picker-item:hover:not(:disabled) {
    border-color: var(--hh-primary);
    transform: scale(1.03);
}

.hh-photo-picker-item.selected {
    border-color: var(--hh-primary);
    box-shadow: 0 0 0 3px rgba(var(--hh-primary-rgb), 0.3);
}

.hh-photo-picker-retry-selected {
    width: 100%;
    min-height: 44px;
    margin-bottom: 0.75rem;
}

.hh-photo-picker-item:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.hh-photo-picker-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Photo Picker Empty State */
.hh-photo-picker-empty {
    text-align: center;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.hh-photo-picker-empty p {
    color: var(--hh-text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Message Image Bubble */
.hh-message-image-trigger {
    display: block;
    width: 100%;
    max-width: 240px;
    padding: 0;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: inherit;
    cursor: pointer;
}

.hh-message-image-trigger:focus-visible {
    outline: 3px solid var(--hh-primary);
    outline-offset: 3px;
}

.hh-message-image {
    width: 100%;
    border-radius: 12px;
    display: block;
    transition: opacity 0.2s ease;
}

.hh-message-image-trigger:hover .hh-message-image {
    opacity: 0.9;
}

.hh-message-image-placeholder {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--hh-text-muted);
    font-size: 0.85rem;
}

/* Full-Screen Photo Dialog */
dialog.hh-native-dialog.hh-fullphoto-overlay {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.92);
    overflow: hidden;
    cursor: default;
}

dialog.hh-native-dialog.hh-fullphoto-overlay[open] {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

dialog.hh-native-dialog.hh-fullphoto-overlay::backdrop {
    background: rgba(0, 0, 0, 0.92);
}

dialog.hh-native-dialog.hh-fullphoto-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--hh-radius-md);
}

.hh-fullphoto-close {
    position: absolute;
    top: calc(1rem + env(safe-area-inset-top, 0px));
    right: calc(1rem + env(safe-area-inset-right, 0px));
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
}

.hh-fullphoto-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.hh-fullphoto-close:focus-visible,
.hh-photo-picker-close:focus-visible {
    outline: 3px solid var(--hh-primary);
    outline-offset: 3px;
}

/* ── Desktop (≥769px) ── */
@media (min-width: 769px) {
    .hh-chat {
        height: calc(100svh - 70px);
    }

    .hh-chat-header {
        padding: 1rem 1.5rem;
        gap: 1rem;
    }

    .hh-chat-trust-banner {
        margin: 0.55rem 1.5rem 0;
        padding: 0.42rem 0.65rem;
        font-size: 0.76rem;
    }

    .hh-chat-date-mode-banner {
        margin: 0.55rem 1.5rem 0;
        padding: 0.55rem 0.7rem;
    }

    .hh-chat-starters {
        margin: 0.75rem 1.5rem 0;
        padding: 0.7rem 0.8rem;
    }

    .hh-chat-confidence {
        margin: 0.72rem 1.5rem 0;
        padding: 0.75rem 0.85rem;
    }

    .hh-chat-name {
        font-size: 1.125rem;
    }

    .hh-chat-status {
        font-size: 0.75rem;
    }

    .hh-message-list {
        padding: 1.5rem;
        gap: 1rem;
    }

    .hh-message-group {
        max-width: 75%;
    }

    .hh-chat-starter-chip {
        width: auto;
        text-align: center;
        border-radius: 999px;
    }

    .hh-chat-confidence-item {
        font-size: 0.77rem;
        padding: 0.52rem 0.68rem;
    }

    .hh-chat-input-area {
        padding: 1rem 1.5rem;
        gap: 1rem;
    }

    .hh-chat-input {
        font-size: 0.9375rem;
        padding: 0.75rem 1.25rem;
    }

    dialog.hh-native-dialog.hh-photo-picker-sheet {
        inset: 0;
        margin: auto;
        border-radius: var(--hh-radius-xl);
        max-width: 420px;
    }
}

/* ── Extra-small screens (<375px) ── */
@media (max-width: 374px) {
    .hh-message-group {
        max-width: 90%;
    }

    .hh-chat-header {
        padding: 0.7rem 0.75rem;
        gap: 0.5rem;
    }

    .hh-chat-input-area {
        padding: 0.7rem 0.75rem;
        padding-bottom: calc(0.7rem + env(safe-area-inset-bottom, 0px));
    }
}

/* Compact viewports also cover browser text zoom, where the CSS viewport narrows. */
@media (max-width: 390px) {
    .hh-chat-date-mode-banner {
        align-items: stretch;
        margin-inline: 0.75rem;
    }

    .hh-chat-date-mode-copy,
    .hh-chat-date-mode-banner a {
        flex-basis: 100%;
    }

    .hh-chat-date-mode-banner a {
        justify-content: center;
    }

    .hh-chat-history-warning {
        align-items: stretch;
        margin-inline: 0.75rem;
    }

    .hh-chat-history-warning__copy,
    .hh-chat-history-warning__actions {
        flex-basis: 100%;
    }

    .hh-chat-history-warning__actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .hh-chat-history-warning__actions .btn-primary,
    .hh-chat-history-warning__actions .btn-secondary {
        width: 100%;
    }
}

@media (orientation: landscape) and (max-height: 500px) {
    .hh-chat-history-warning {
        margin-top: 0.35rem;
        padding-block: 0.45rem;
    }

    .hh-message-list {
        padding-block: 0.65rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hh-message-list {
        scroll-behavior: auto;
    }

    .hh-chat-history-warning *,
    .hh-message-unavailable * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (forced-colors: active) {
    .hh-chat-history-warning,
    .hh-message-group.sent .hh-message-bubble.history-unavailable,
    .hh-message-group.received .hh-message-bubble.history-unavailable {
        border-color: CanvasText;
        background: Canvas;
        color: CanvasText;
        forced-color-adjust: auto;
    }
}