/* ============================================
   Chat Page Styles
   ============================================ */

/* --------------------------------------------
   Top Navigation
   -------------------------------------------- */
.top-nav {
    width: 100%;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-secondary);
    padding: 12px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-divider {
    width: 1px;
    height: 24px;
    background: var(--border-secondary);
}

.nav-btn {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.nav-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    text-decoration: none;
}

.nav-btn .icon {
    font-size: 14px;
}

/* --------------------------------------------
   User Menu
   -------------------------------------------- */
.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.user-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    min-width: 200px;
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.user-dropdown.active {
    display: block;
}

.user-info {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-secondary);
}

.user-email {
    font-size: 12px;
    color: var(--text-placeholder);
}

/* --------------------------------------------
   Profile Selector
   -------------------------------------------- */
.profile-selector {
    position: relative;
}

.profile-selector-btn {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 200px;
    justify-content: space-between;
}

.profile-selector-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.profile-selector-btn .profile-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.profile-selector-btn .profile-name {
    font-weight: 600;
    color: var(--text-primary);
}

.profile-selector-btn .profile-desc {
    font-size: 11px;
    color: var(--text-placeholder);
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-selector-btn .chevron {
    font-size: 10px;
    color: var(--text-placeholder);
    transition: transform var(--transition-base);
}

.profile-selector.open .profile-selector-btn .chevron {
    transform: rotate(180deg);
}

.profile-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: none;
    max-height: 300px;
    overflow-y: auto;
    min-width: 280px;
    z-index: 1000;
}

.profile-selector.open .profile-dropdown {
    display: block;
}

.profile-option {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-secondary);
    transition: background var(--transition-base);
}

.profile-option:last-child {
    border-bottom: none;
}

.profile-option:hover {
    background: var(--bg-hover);
}

.profile-option.selected {
    background: rgba(10, 132, 255, 0.13);
}

.profile-option .option-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-option .option-name .check {
    color: var(--accent-blue-bright);
    font-size: 12px;
}

.profile-option .option-desc {
    font-size: 12px;
    color: var(--text-placeholder);
    line-height: 1.4;
}

.profile-dropdown-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-placeholder);
    font-size: 13px;
}

.profile-dropdown-empty a {
    color: var(--accent-blue-bright);
}

/* --------------------------------------------
   Conversation Selector
   -------------------------------------------- */
.conversation-selector {
    position: relative;
}

.conversation-selector-btn {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-lg);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 180px;
    justify-content: space-between;
}

.conversation-selector-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.conversation-selector-btn .conv-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.conversation-selector-btn .conv-title {
    font-weight: 600;
    color: var(--text-primary);
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-selector-btn .conv-date {
    font-size: 11px;
    color: var(--text-placeholder);
}

.conversation-selector-btn .chevron {
    font-size: 10px;
    color: var(--text-placeholder);
    transition: transform var(--transition-base);
}

.conversation-selector.open .conversation-selector-btn .chevron {
    transform: rotate(180deg);
}

.conversation-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: none;
    max-height: 350px;
    overflow-y: auto;
    min-width: 280px;
    z-index: 1000;
}

.conversation-selector.open .conversation-dropdown {
    display: block;
}

.conversation-dropdown-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.conversation-dropdown-header span {
    font-size: 12px;
    color: var(--text-placeholder);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.new-conv-btn {
    background: var(--accent-blue-bright);
    color: var(--text-primary);
    border: none;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 12px;
    cursor: pointer;
}

.new-conv-btn:hover {
    background: #0070e0;
}

.conversation-option {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-secondary);
    transition: background var(--transition-base);
}

.conversation-option:last-child {
    border-bottom: none;
}

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

.conversation-option.selected {
    background: rgba(10, 132, 255, 0.13);
}

.conversation-option .conv-option-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.conversation-option .conv-option-title .check {
    color: var(--accent-blue-bright);
    font-size: 12px;
}

.conversation-option .conv-option-meta {
    font-size: 11px;
    color: var(--text-placeholder);
    display: flex;
    gap: 12px;
}

.conversation-dropdown-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-placeholder);
    font-size: 13px;
}

/* --------------------------------------------
   Main Content & Phone Container
   -------------------------------------------- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    width: 100%;
    min-height: calc(100vh - 60px);
}

.phone-container {
    width: 100%;
    max-width: 420px;
    height: calc(90vh - 60px);
    max-height: 800px;
    background: #000;
    border-radius: 40px;
    border: 12px solid var(--bg-tertiary);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* --------------------------------------------
   Phone Status Bar
   -------------------------------------------- */
.status-bar {
    height: 44px;
    background: #000;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    font-size: 15px;
    font-weight: 600;
}

.time {
    flex: 1;
    text-align: center;
}

.indicators {
    display: flex;
    gap: 5px;
    align-items: center;
}

/* --------------------------------------------
   Chat Header
   -------------------------------------------- */
.chat-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-secondary);
}

.back-btn {
    color: var(--accent-blue-bright);
    font-size: 17px;
    cursor: pointer;
    text-decoration: none;
}

.contact-info {
    flex: 1;
    text-align: center;
}

.contact-name {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
}

.contact-number {
    color: var(--text-placeholder);
    font-size: 12px;
}

/* --------------------------------------------
   Messages Container
   -------------------------------------------- */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* --------------------------------------------
   Tool Notification
   -------------------------------------------- */
.tool-notification {
    align-self: center;
    background: var(--bg-elevated);
    color: var(--text-placeholder);
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 13px;
    cursor: pointer;
    transition: background var(--transition-base);
    max-width: 85%;
    user-select: none;
    display: flex;
    flex-direction: column;
}

.tool-notification:hover {
    background: var(--bg-hover);
}

.tool-notification-header {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.tool-notification .icon {
    font-size: 16px;
}

.tool-notification .chevron {
    margin-left: auto;
    transition: transform var(--transition-slow);
    font-size: 12px;
}

.tool-notification.expanded .chevron {
    transform: rotate(180deg);
}

.tool-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 0;
    margin-top: 0;
}

.tool-notification.expanded .tool-details {
    max-height: 500px;
    padding: 12px;
    margin-top: 10px;
}

.tool-details-content {
    font-size: 12px;
    line-height: 1.6;
}

.tool-details-row {
    margin: 6px 0;
    display: flex;
    gap: 8px;
}

.tool-details-label {
    color: var(--text-placeholder);
    min-width: 80px;
    font-weight: 600;
}

.tool-details-value {
    color: var(--text-primary);
    flex: 1;
}

.tool-badge {
    display: inline-block;
    background: var(--accent-orange);
    color: #000;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    margin-left: 4px;
}

.tool-timestamp {
    font-size: 10px;
    color: var(--text-placeholder);
    margin-top: 8px;
    text-align: center;
    display: none;
}

.tool-notification.expanded .tool-timestamp {
    display: block;
}

/* --------------------------------------------
   Chat Messages
   -------------------------------------------- */
.chat-message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 20px;
    word-wrap: break-word;
    position: relative;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.received {
    align-self: flex-start;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-message.sent {
    align-self: flex-end;
    background: var(--accent-blue-bright);
    color: var(--text-primary);
    border-bottom-right-radius: 4px;
}

.chat-message.media-only {
    padding: 4px;
    background: transparent;
}

.chat-message.media-only.sent {
    background: transparent;
}

.chat-message.media-only .message-media img,
.chat-message.media-only .message-media video {
    border-radius: 20px;
}

.message-time {
    font-size: 11px;
    color: var(--text-placeholder);
    margin-top: 4px;
    text-align: right;
}

.chat-message.received .message-time {
    text-align: left;
}

.chat-message.sent .message-time {
    color: rgba(255, 255, 255, 0.7);
}

.chat-message a {
    color: var(--accent-blue-bright);
    text-decoration: underline;
}

.chat-message.sent a {
    color: var(--text-primary);
    text-decoration: underline;
}

/* --------------------------------------------
   Message Media
   -------------------------------------------- */
.message-media {
    margin-bottom: 8px;
    border-radius: 12px;
    overflow: hidden;
    max-width: 100%;
}

.message-media img {
    display: block;
    max-width: 100%;
    max-height: 250px;
    border-radius: 12px;
    object-fit: cover;
}

.message-media video {
    display: block;
    max-width: 100%;
    max-height: 250px;
    border-radius: 12px;
    background: #000;
}

.message-document {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 8px;
    text-decoration: none;
    color: inherit;
    transition: background var(--transition-base);
}

.message-document:hover {
    background: rgba(255, 255, 255, 0.15);
}

.document-icon {
    width: 40px;
    height: 40px;
    background: var(--border-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

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

.document-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.document-type {
    font-size: 11px;
    color: var(--text-placeholder);
    text-transform: uppercase;
}

.chat-message.sent .document-type {
    color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------
   Typing Indicator
   -------------------------------------------- */
.typing-indicator {
    display: none;
    align-self: flex-start;
    background: var(--bg-tertiary);
    padding: 12px 16px;
    border-radius: 20px;
    border-bottom-left-radius: 4px;
}

.typing-indicator.active {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--text-placeholder);
    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% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* --------------------------------------------
   Connection Status
   -------------------------------------------- */
.connection-status {
    text-align: center;
    padding: 8px;
    background: var(--accent-red);
    color: white;
    font-size: 12px;
    display: none;
}

.connection-status.show {
    display: block;
}

/* --------------------------------------------
   Input Container
   -------------------------------------------- */
.input-container {
    background: var(--bg-tertiary);
    padding: 8px 12px 34px 12px;
    display: flex;
    gap: 8px;
    align-items: center;
    border-top: 1px solid var(--border-secondary);
}

.input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--border-secondary);
    border-radius: 20px;
    padding: 8px 12px;
    gap: 8px;
}

.attach-btn {
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    color: var(--accent-blue-bright);
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    transition: transform var(--transition-fast);
}

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

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

#fileInput {
    display: none;
}

#messageInput {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    resize: none;
    max-height: 100px;
    font-family: inherit;
    line-height: 1.4;
}

#messageInput::placeholder {
    color: var(--text-placeholder);
}

.send-btn {
    width: 32px;
    height: 32px;
    background: var(--accent-blue-bright);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.send-btn svg {
    width: 16px;
    height: 16px;
}

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

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

/* --------------------------------------------
   Attachment Preview
   -------------------------------------------- */
.attachment-preview {
    display: none;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-secondary);
}

.attachment-preview.active {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.preview-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-elevated);
    padding: 6px 10px;
    border-radius: var(--radius-lg);
}

.preview-thumbnail {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    object-fit: cover;
    background: var(--border-secondary);
}

.preview-document-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--border-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

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

.preview-filename {
    color: var(--text-primary);
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
}

.preview-type {
    color: var(--text-placeholder);
    font-size: 10px;
    text-transform: uppercase;
}

.remove-attachment {
    width: 20px;
    height: 20px;
    background: var(--border-secondary);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.remove-attachment:hover {
    background: var(--accent-red);
}

/* --------------------------------------------
   Upload Progress
   -------------------------------------------- */
.upload-progress {
    display: none;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-secondary);
}

.upload-progress.active {
    display: block;
}

.progress-bar {
    height: 4px;
    background: var(--border-secondary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-blue-bright);
    width: 0%;
    transition: width var(--transition-slow);
}

.progress-text {
    color: var(--text-placeholder);
    font-size: 12px;
    margin-top: 4px;
    text-align: center;
}

/* --------------------------------------------
   Lightbox
   -------------------------------------------- */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* --------------------------------------------
   Auth Overlay
   -------------------------------------------- */
.auth-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.auth-overlay.active {
    display: flex;
}

.auth-prompt {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-4xl);
    text-align: center;
    max-width: 400px;
}

.auth-prompt h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.auth-prompt p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-2xl);
}

.auth-prompt .google-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 32px;
    background: #fff;
    color: #333;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
}

.auth-prompt .google-btn:hover {
    background: #f5f5f5;
}