/* Components CSS - Buttons, badges, avatars, etc. */

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-primary:active {
    transform: scale(0.98);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 1.25rem;
}

.icon-btn:hover {
    background: var(--bg-hover);
}

/* Conversation list item */
.conversation-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative;
}

.conversation-item:hover {
    background: var(--bg-hover);
}

.conversation-item.active {
    background: var(--accent-light);
}

.conversation-item.active .conversation-name {
    color: var(--accent);
}

.conversation-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    flex-shrink: 0;
    position: relative;
}

.conversation-info {
    flex: 1;
    min-width: 0;
}

.conversation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.conversation-name {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.conversation-preview {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.unread-badge {
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* Message bubbles */
.message {
    display: flex;
    flex-direction: column;
    max-width: 70%;
    animation: messageSlide 0.2s ease;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.own {
    align-self: flex-end;
    align-items: flex-end;
}

.message.other {
    align-self: flex-start;
    align-items: flex-start;
}

.message-bubble {
    padding: 0.625rem 0.875rem;
    border-radius: 16px;
    word-break: break-word;
    line-height: 1.4;
}

.message.own .message-bubble {
    background: var(--message-own-bg);
    color: var(--message-own-text);
    border-bottom-right-radius: 4px;
}

.message.other .message-bubble {
    background: var(--message-other-bg);
    color: var(--message-other-text);
    border-bottom-left-radius: 4px;
}

.message-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.message.own .message-meta {
    justify-content: flex-end;
}

.message-time {
    opacity: 0.8;
}

.message-read {
    font-size: 0.7rem;
}

/* Empty search results */
.empty-results {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
}

.empty-results-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

/* Loading spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Install prompt banner */
.install-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--accent-light);
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    flex-shrink: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.install-banner--hidden {
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
}

.install-banner__icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.install-banner__text {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.install-banner__text strong {
    font-size: 0.95rem;
}

.install-banner__text span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.install-banner__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.install-banner__actions .btn-primary {
    padding: 0.5rem 0.875rem;
    font-size: 0.85rem;
}

.install-banner__actions .icon-btn {
    width: 32px;
    height: 32px;
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* iOS install instruction overlay */
.install-instructions {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.install-instructions__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.install-instructions__content {
    position: relative;
    background: var(--bg-primary);
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.install-instructions__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.install-instructions__header h2 {
    font-size: 1.125rem;
    color: var(--text-primary);
}

.install-instructions__body {
    padding: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.install-instructions__body ol {
    margin: 1rem 0 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.install-instructions__body li {
    padding-left: 0.25rem;
}

.share-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.5rem;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: var(--accent);
    color: white;
    font-size: 0.85rem;
}

.install-instructions__note {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 0.85rem;
}

.install-instructions__footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}

/* Scroll to bottom button */
.scroll-bottom-btn {
    position: absolute;
    bottom: 80px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    border: none;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.1s;
    z-index: 10;
}

.scroll-bottom-btn.visible {
    opacity: 1;
    pointer-events: auto;
}

.scroll-bottom-btn:hover {
    transform: scale(1.1);
}

.scroll-bottom-btn:active {
    transform: scale(0.95);
}