/* Page-specific styles - base reset and body styles from dashboard-common.css */
            background: var(--hover-bg);
            color: var(--text-primary);
            line-height: 1.6;
            height: 100vh;
            overflow: hidden;
        }

        /* Header overrides for messages layout */
        .header-content {
            max-width: 1800px;
            justify-content: initial;
        }

        .back-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.875rem;
        }

        .back-link:hover {
            text-decoration: underline;
        }

        /* Messages Container */
        .messages-container {
            display: grid;
            grid-template-columns: 360px 1fr;
            height: calc(100vh - 73px);
            max-width: 1800px;
            margin: 0 auto;
        }

        /* Conversations List */
        .conversations-sidebar {
            background: var(--card-bg);
            border-right: 1px solid var(--card-border);
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .conversations-header {
            padding: 1.5rem;
            border-bottom: 1px solid var(--card-border);
        }

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

        .conversations-title {
            font-size: 1.5rem;
            font-weight: 600;
        }

        .new-chat-btn {
            height: 34px;
            padding: 0 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: 6px;
            background: var(--accent);
            color: var(--accent-fg);
            border: none;
            font: inherit;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            white-space: nowrap;
        }
        .new-chat-btn:hover {
            background: var(--accent-hover);
        }

        .search-box {
            width: 100%;
            flex: initial;
        }

        .conversations-list {
            flex: 1;
            overflow-y: auto;
        }

        .conversation-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 1.5rem;
            cursor: pointer;
            border-bottom: 1px solid var(--surface-3);
            transition: background var(--dur-base) var(--ease);
        }

        .conversation-item:hover {
            background: var(--surface-2);
        }

        .conversation-item.active {
            background: var(--surface-3);
            border-left: 3px solid var(--accent);
        }

        .conversation-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--avatar-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-fg);
            font-weight: 500;
            font-size: 1.125rem;
            flex-shrink: 0;
            position: relative;
        }

        .online-indicator {
            position: absolute;
            bottom: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--success);
            border: 2px solid var(--card-bg);
            border-radius: 50%;
        }

        .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;
            font-size: 0.9375rem;
        }

        .conversation-time {
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        .conversation-preview {
            font-size: 0.875rem;
            color: var(--text-secondary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .unread-badge {
            background: var(--avatar-bg);
            color: var(--accent-fg);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.125rem 0.5rem;
            border-radius: 12px;
            min-width: 20px;
            text-align: center;
        }

        /* Chat Area */
        .chat-area {
            display: flex;
            flex-direction: column;
            background: var(--surface-2);
        }

        .chat-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--card-border);
            padding: 1.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .chat-user-info {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .chat-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--avatar-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-fg);
            font-weight: 500;
            font-size: 1rem;
        }

        .chat-user-details h3 {
            font-size: 1.0625rem;
            font-weight: 600;
        }

        .chat-user-status {
            font-size: 0.8125rem;
            color: var(--success);
        }

        .chat-actions {
            display: flex;
            gap: 0.75rem;
        }

        .icon-button {
            width: 36px;
            height: 36px;
            border: none;
            background: none;
            border-radius: 6px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
        }

        .icon-button:hover {
            background: var(--surface-3);
        }

        /* Messages Area */
        .messages-area {
            flex: 1;
            overflow-y: auto;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .message-group {
            display: flex;
            gap: 0.75rem;
        }

        .message-group.own {
            flex-direction: row-reverse;
        }

        .message-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--avatar-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-fg);
            font-weight: 500;
            font-size: 0.875rem;
            flex-shrink: 0;
        }

        .message-content-wrapper {
            max-width: 60%;
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .message-group.own .message-content-wrapper {
            align-items: flex-end;
        }

        .message-bubble {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 0.75rem 1rem;
            font-size: 0.9375rem;
            line-height: 1.5;
            word-wrap: break-word;
        }

        .message-group.own .message-bubble {
            background: var(--accent);
            color: var(--accent-fg);
            border: none;
        }

        .message-time {
            font-size: 0.75rem;
            color: var(--text-secondary);
            padding: 0 0.5rem;
        }

        /* Date Separator */
        .date-separator {
            text-align: center;
            margin: 1rem 0;
        }

        .date-separator span {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 0.375rem 1rem;
            border-radius: 16px;
            font-size: 0.8125rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Typing Indicator */
        .typing-indicator {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1rem;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            width: fit-content;
        }

        .typing-dots {
            display: flex;
            gap: 0.25rem;
        }

        .typing-dot {
            width: 6px;
            height: 6px;
            background: var(--text-secondary);
            border-radius: 50%;
            animation: typing 1.4s infinite;
        }

        .typing-dot:nth-child(2) {
            animation-delay: 0.2s;
        }

        .typing-dot:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes typing {
            0%, 60%, 100% {
                opacity: 0.3;
                transform: translateY(0);
            }
            30% {
                opacity: 1;
                transform: translateY(-4px);
            }
        }

        /* Message Input */
        .message-input-area {
            background: var(--card-bg);
            border-top: 1px solid var(--card-border);
            padding: 1.5rem 2rem;
        }

        .message-input-wrapper {
            display: flex;
            gap: 1rem;
            align-items: flex-end;
        }

        .message-input {
            flex: 1;
            min-height: 44px;
            max-height: 120px;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-strong);
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.9375rem;
            resize: none;
            overflow-y: auto;
        }

        .message-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 2px var(--ring);
        }

        .input-actions {
            display: flex;
            gap: 0.5rem;
        }

        .attach-button {
            width: 44px;
            height: 44px;
            border: 1px solid var(--card-border);
            background: var(--card-bg);
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
        }

        .attach-button:hover {
            background: var(--surface-2);
        }

        .send-button {
            width: 44px;
            height: 44px;
            background: var(--accent);
            color: var(--accent-fg);
            border: none;
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
        }

        .send-button:hover {
            background: var(--accent-hover);
        }

        .send-button:disabled {
            background: var(--border-strong);
            cursor: not-allowed;
        }

        /* Empty State */
        .empty-state {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
        }

        .empty-state-icon {
            font-size: 4rem;
            margin-bottom: 1rem;
        }

        .empty-state-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .empty-state-text {
            font-size: 0.9375rem;
        }

        @media (max-width: 1024px) {
            .messages-container {
                grid-template-columns: 300px 1fr;
            }
        }

        @media (max-width: 768px) {
            .messages-container {
                grid-template-columns: 1fr;
            }

            .conversations-sidebar {
                position: fixed;
                left: 0;
                top: 73px;
                bottom: 0;
                width: 100%;
                z-index: 100;
                transform: translateX(-100%);
                transition: transform var(--dur-base) var(--ease);
            }

            .conversations-sidebar.show {
                transform: translateX(0);
            }

            .message-content-wrapper {
                max-width: 80%;
            }

            .mobile-back-btn {
                display: flex !important;
            }

            .chat-area {
                height: calc(100vh - 73px);
            }
        }

        .mobile-back-btn {
            display: none;
            width: 36px;
            height: 36px;
            border: none;
            background: none;
            font-size: 1.25rem;
            cursor: pointer;
            margin-right: 0.5rem;
        }

        /* New Chat Modal */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            align-items: flex-start;
            justify-content: center;
            padding-top: 10vh;
        }

        .modal-overlay.show {
            display: flex;
        }

        .modal {
            background: var(--card-bg);
            border-radius: 12px;
            width: 90%;
            max-width: 480px;
            max-height: 70vh;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .modal-header {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--card-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-title {
            font-size: 1.125rem;
            font-weight: 600;
        }

        .modal-close {
            width: 32px;
            height: 32px;
            border: none;
            background: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-secondary);
        }

        .modal-close:hover {
            color: var(--text-primary);
        }

        .modal-search {
            padding: 1rem 1.5rem;
            border-bottom: 1px solid var(--card-border);
        }

        .modal-search input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-strong);
            border-radius: 8px;
            font-size: 0.9375rem;
        }

        .modal-search input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 2px var(--ring);
        }

        .modal-results {
            flex: 1;
            overflow-y: auto;
            padding: 0.5rem 0;
        }

        .user-result {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1.5rem;
            cursor: pointer;
        }

        .user-result:hover {
            background: var(--surface-2);
        }

        .user-result-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--avatar-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-fg);
            font-weight: 500;
        }

        .user-result-info {
            flex: 1;
        }

        .user-result-name {
            font-weight: 500;
        }

        .user-result-title {
            font-size: 0.8125rem;
            color: var(--text-secondary);
        }

        .modal-empty {
            text-align: center;
            padding: 2rem;
            color: var(--text-secondary);
        }

        .modal-loading {
            text-align: center;
            padding: 2rem;
            color: var(--text-secondary);
        }
        /* E2EE Status Indicator */
        .e2ee-status {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: var(--success-tint);
            border-bottom: 1px solid #dcfce7;
            font-size: 0.8125rem;
            color: #166534;
        }

        .e2ee-status.not-available {
            background: var(--warning-tint);
            border-color: var(--warning-tint);
            color: var(--warning);
        }

        .e2ee-icon {
            font-size: 1rem;
        }

        /* Loading state */
        .loading-state {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            color: var(--text-secondary);
        }

        .loading-spinner {
            width: 24px;
            height: 24px;
            border: 2px solid var(--card-border);
            border-top-color: var(--accent);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin-right: 0.5rem;
        }

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

        /* Encrypted message indicator */
        .message-encrypted {
            font-size: 0.6875rem;
            color: var(--success);
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin-top: 0.25rem;
        }

        .message-group.own .message-encrypted {
            color: #86efac;
        }

/* ===== One surface (Sep 2026) ===== */
.thread-empty-list { width: 100%; max-width: 520px; text-align: left; display: flex; flex-direction: column; gap: 12px; margin-top: 1.25rem; }
.thread-empty-list h2 { margin: 0; font-size: var(--text-xs); font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary); }
.thread-suggest { border: 1px solid var(--card-border); border-radius: 12px; background: var(--card-bg); overflow: hidden; }
.thread-suggest-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--surface-3); }
.thread-suggest-row:last-child { border-bottom: none; }
.thread-suggest-row .conversation-avatar { width: 40px; height: 40px; }
.thread-suggest-row .info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.thread-suggest-row .name { font-weight: 500; color: var(--text-primary); }
.thread-suggest-row .why { font-size: 12px; color: var(--text-secondary); }
.thread-suggest-btn { height: 32px; padding: 0 12px; border: 1px solid var(--accent); border-radius: 6px; background: var(--card-bg); color: var(--text-primary); font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; }
.thread-suggest-btn:hover { background: var(--hover-bg); }
.thread-empty-note { font-size: 12px; color: var(--text-secondary); }
.thread-empty-note a { color: var(--text-primary); }
.message-error { margin: 0 1.5rem 0.75rem; font-size: 13px; color: var(--danger); display: flex; align-items: center; gap: 8px; }
.message-error button { font: inherit; font-size: 13px; text-decoration: underline; background: none; border: none; color: inherit; cursor: pointer; padding: 0; }
.modal-section-title { padding: 10px 1.5rem 4px; font-size: var(--text-xs); font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary); }
.modal-foot { padding: 10px 1.5rem 14px; border-top: 1px solid var(--card-border); font-size: 12px; color: var(--text-secondary); }
.user-result[aria-disabled="true"] { opacity: 0.6; cursor: default; }
.sidebar-empty { padding: 1.5rem 1.25rem; display: flex; flex-direction: column; gap: 6px; }
.sidebar-empty strong { font-weight: 500; }
.sidebar-empty span { font-size: 13px; color: var(--text-body); }

.message-seen { font-size: 11px; color: var(--text-secondary); text-align: right; margin-top: 2px; }
.conversation-avatar { position: relative; }

/* Attachments and requests */
.message-attachments { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 6px; max-width: 420px; margin-top: 4px; }
.message-attachments img { width: 100%; height: 140px; object-fit: cover; border-radius: 8px; border: 1px solid var(--card-border); display: block; }
.attachment-strip { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 1.5rem 8px; }
.attachment-strip[hidden] { display: none; }
.attachment-chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 8px 0 10px; border: 1px solid var(--card-border); border-radius: 14px; background: var(--surface-3); font-size: 12px; color: var(--text-body); }
.attachment-chip button { border: none; background: none; font-size: 16px; line-height: 1; color: var(--text-secondary); cursor: pointer; padding: 0; }
.composer-hint { padding: 6px 1.5rem 0; font-size: 12px; color: var(--text-secondary); }
.message-input-area[hidden] { display: none; }
.request-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 1.5rem 12px; padding: 12px 16px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 8px; font-size: 13px; color: var(--text-body); }
.request-banner.muted { color: var(--text-secondary); }
.request-banner-actions { display: flex; gap: 8px; flex-shrink: 0; }
.list-section-title { padding: 14px 1.5rem 4px; font-size: var(--text-xs); font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary); border-top: 1px solid var(--card-border); margin-top: 8px; }
.list-section-note { padding: 0 1.5rem 6px; font-size: 12px; color: var(--text-secondary); }
.pe-btn { height: 32px; padding: 0 0.75rem; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--card-bg); color: var(--text-primary); font: inherit; font-size: 0.8125rem; font-weight: 500; cursor: pointer; white-space: nowrap; }
.pe-btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }