/* File: /css/chat.css */

:root {
    --chat-bg-color: var(--background-color-dark);
    --sidebar-chat-width: 300px;
    --lead-canvas-width: 340px;
    --message-bg-human: var(--background-color-light);
    --message-bg-ai: var(--primary-color-dark);
    --text-color-primary: #E0E0E0;
    --text-color-secondary: #B0B0B0;
    --border-color: #333;
}

#chat-section {
    display: flex;
    height: 100%;
    overflow: hidden;
    background-color: var(--chat-bg-color);
    color: var(--text-color-primary);
}

.chat-sidebar {
    width: var(--sidebar-chat-width);
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    background-color: var(--background-color-darker);
}

.chat-sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.chat-sidebar-header h2 {
    margin: 0;
    font-size: 1.2rem;
}

.channel-selector {
    display: flex;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    gap: 0.5rem;
}

.channel-btn {
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-md);
    background-color: var(--background-color-light);
    border: 1px solid transparent;
    color: var(--text-color-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.channel-btn.active {
    background-color: var(--primary-color);
    color: var(--text-color-on-primary);
    border-color: var(--primary-color-light);
}

.sessions-list {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    flex-grow: 1;
}

.session-item {
    padding: 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.session-item:hover {
    background-color: var(--background-color-light);
}

.session-item.active {
    background-color: var(--primary-color-dark);
}

.session-item p {
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
}

.session-item .text-secondary {
    font-size: 0.8rem;
    color: var(--text-color-secondary);
}

/* Lead Details Canvas */
.lead-details-canvas {
    width: var(--lead-canvas-width);
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    background-color: var(--background-color-dark);
    overflow-y: auto;
    padding: 1.5rem;
}

.lead-details-canvas h3 {
    margin-top: 0;
    font-size: 1.3rem;
    color: var(--text-color-primary); /* Brighter color */
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lead-stage-indicator {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 12px; /* Pill shape */
    text-transform: uppercase;
}

.lead-stage-indicator.stage-new { background-color: #3b82f6; color: #fff; }
.lead-stage-indicator.stage-contacted { background-color: #f97316; color: #fff; }
.lead-stage-indicator.stage-proposal { background-color: #8b5cf6; color: #fff; }
.lead-stage-indicator.stage-won { background-color: #22c55e; color: #fff; }
.lead-stage-indicator.stage-lost { background-color: #ef4444; color: #fff; }
.lead-stage-indicator.stage-academy { background-color: #64748b; color: #fff; }
.lead-stage-indicator.stage-unknown { background-color: #4b5563; color: #fff; }


.lead-details-section {
    margin-bottom: 1.5rem;
}

.lead-details-section h4 {
    font-size: 0.9rem;
    color: var(--text-color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.detail-item .label {
    font-weight: 600;
    color: var(--text-color-secondary);
    font-size: 0.85rem;
}

.detail-item .value {
    color: var(--text-color-primary);
    word-wrap: break-word;
}

.detail-item .value a {
    color: var(--primary-color);
    text-decoration: none;
}
.detail-item .value a:hover {
    text-decoration: underline;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: var(--background-color-light);
    color: var(--text-color-secondary);
    padding: 0.25rem 0.6rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
}

.notes-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.note-item {
    background-color: var(--background-color-darker);
    padding: 0.75rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 0.5rem;
}

.note-item .note-text {
    display: block;
    margin-bottom: 0.25rem;
}

.note-item .note-date {
    font-size: 0.75rem;
    color: var(--text-color-secondary);
}

.placeholder-canvas {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    flex-direction: column;
    color: var(--text-color-secondary);
    text-align: center;
}

.placeholder-canvas i {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.placeholder-canvas button {
    margin-top: 1rem;
}

.chat-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--background-color-darker);
}

.chat-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.messages-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.message-bubble {
    max-width: 70%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.message-bubble.human {
    background-color: var(--message-bg-human);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message-bubble.ai {
    background-color: var(--message-bg-ai);
    color: var(--text-color-on-primary);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.welcome-chat {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    flex-direction: column;
    color: var(--text-color-secondary);
}

.welcome-chat i {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
}

/* WhatsApp Chat Input Area */
.chat-input-area {
    display: flex;
    align-items: center; /* Align items vertically in the center */
    justify-content: space-between; /* Distribute space between items */
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--background-color-darker);
    gap: 0.5rem;
    flex-shrink: 0; /* Prevent the input area from shrinking */
}

.chat-input-area input[type="text"] {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--background-color-light);
    color: var(--text-color-primary);
    font-size: 1rem;
}

.chat-input-area input[type="text"]::placeholder {
    color: var(--text-color-secondary);
}

.chat-input-area .btn-primary {
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}