/* Whatsapp Chats Modal - styles scoped to the modal container */
.whatsapp-messages-modal {
    position: fixed;
    height: 40rem;
    display: grid;
    width: min(1000px, 95vw);
    z-index: 99;
    row-gap: 10px;
    top: 50%;
    left: 50%;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    font-family: "Nunito", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    padding-top:10px !important;
}

.whatsapp-messages-modal .closeButton {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 3;
}

.whatsapp-messages-modal .closeButton img {
    width: 22px;
    height: 22px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.15s ease-in-out;
}

.whatsapp-messages-modal .closeButton img:hover {
    opacity: 1;
}

/* Two-column layout */
.whatsapp-messages-modal .chats-modal {
    display: grid;
    grid-template-columns: 320px 1fr;
    height: 70vh; /* main modal height */
    min-height: 420px;
}

@media (max-width: 900px) {
    .whatsapp-messages-modal .chats-modal {
        grid-template-columns: 260px 1fr;
    }
}

@media (max-width: 680px) {
    .whatsapp-messages-modal .chats-modal {
        grid-template-columns: 1fr;
        height: 80vh;
    }
}

/* LEFT: Chats list */
.whatsapp-messages-modal .chats-sidebar {
    background: #fafafa;
    border-right: 1px solid #eaeaea;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow-y: hidden;
}

.whatsapp-messages-modal .sidebar-header {
    padding: 14px 16px;
    border-bottom: 1px solid #eaeaea;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1;
}

.whatsapp-messages-modal .sidebar-header h5 {
    margin: 0;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.2px;
}

.whatsapp-messages-modal .chat-items {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-y: auto;
}

.whatsapp-messages-modal .chat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    cursor: pointer;
    border-bottom: 1px solid #f1f1f1;
    transition: background-color 0.15s ease-in-out;
}

.whatsapp-messages-modal .chat-item:hover {
    background: #f2f6ff;
}

.whatsapp-messages-modal .chat-item.active {
    background: #e7f0ff;
}

.whatsapp-messages-modal .chat-item.disabled {
    cursor: default;
    color: #9aa1ab;
    background: #f8f8f8;
}

.whatsapp-messages-modal .chat-item .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #e0e7ff;
    color: #2b4c7e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    flex: 0 0 auto;
}

.whatsapp-messages-modal .chat-item-texts {
    min-width: 0;
}

.whatsapp-messages-modal .chat-title {
    font-weight: 700;
    font-size: 14px;
    color: #1f2937;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.whatsapp-messages-modal .chat-subtitle {
    font-size: 12px;
    color: #6b7280;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* RIGHT: Chat content */
.whatsapp-messages-modal .chat-content {
    display: flex;
    flex-direction: column;
    background: #fff;
    min-width: 0;
}

.whatsapp-messages-modal .chat-header {
    padding: 14px 16px;
    border-bottom: 1px solid #eaeaea;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1;
}

.whatsapp-messages-modal .chat-header-title {
    font-weight: 800;
    font-size: 15px;
    color: #111827;
}

.whatsapp-messages-modal .chat-header-subtitle {
    font-size: 12px;
    color: #6b7280;
}

/* Messages area */
.whatsapp-messages-modal .messages {
    padding: 16px 16px 24px;
    background: #f5f6f8;
    overflow-y: hidden;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    z-index: 4;
    height: 28rem;
}

.whatsapp-messages-modal .message {
    display: flex;
    max-width: 75%;
}

.whatsapp-messages-modal .message.received {
    justify-content: flex-start;
}

.whatsapp-messages-modal .message.sent {
    margin-left: auto;
    justify-content: flex-end;
}

.whatsapp-messages-modal .bubble {
    padding: 10px 14px;
    border-radius: 16px;
    line-height: 1.35;
    position: relative;
    word-wrap: break-word;
    word-break: break-word;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.03);
}

.whatsapp-messages-modal .received .bubble {
    background: #ffffff;
    border: 1px solid #e8e8e9;
    border-top-left-radius: 4px;
    color: #111827;
}

.whatsapp-messages-modal .sent .bubble {
    background: #dff8c6;
    border: 1px solid #c4e7af;
    border-top-right-radius: 4px;
    color: #0b3d0b;
}

.whatsapp-messages-modal .bubble .meta {
    font-size: 11px;
    color: #6b7280;
    margin-top: 6px;
    text-align: right;
}

/* Input area */
.whatsapp-messages-modal .chat-input {
    padding: 10px 12px;
    border-top: 1px solid #eaeaea;
    background: #fff;
    display: flex;
    gap: 8px;
    align-items: center;
}

.whatsapp-messages-modal .chat-input input[type="text"] {
    flex: 1;
    border: 1px solid #d1d5db;
    border-radius: 24px;
    padding: 10px 14px;
    outline: none;
    background: #f9fafb;
    transition: border-color 0.15s ease-in-out, background 0.15s ease-in-out;
}

.whatsapp-messages-modal .chat-input input[type="text"]:focus {
    border-color: #3b82f6;
    background: #fff;
}

.whatsapp-messages-modal .chat-input button {
    border: none;
    border-radius: 24px;
    padding: 10px 16px;
    background: #3b82f6;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s ease-in-out;
}

.whatsapp-messages-modal .chat-input button:hover {
    background: #2563eb;
}

.whatsapp-messages-modal .chat-input input[disabled],
.whatsapp-messages-modal .chat-input button[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Scrollbar aesthetics for WebKit */
.whatsapp-messages-modal .messages::-webkit-scrollbar {
    width: 10px;
}

.whatsapp-messages-modal .messages::-webkit-scrollbar-track {
    background: #eef0f3;
}

.whatsapp-messages-modal .messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 8px;
}

.whatsapp-messages-modal .messages::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Empty state (no chat selected) */
.whatsapp-messages-modal .messages-placeholder {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    color: #6b7280; /* muted */
    font-size: 14px;
    text-align: center;
    padding: 16px;
    height: auto; /* let it adapt to available space */
    max-height: 100%; /* never exceed messages area */
    margin: auto; /* keep perfectly centered without overflowing */
}

.whatsapp-messages-modal .messages-placeholder img {
    width: 90px;
    height: auto;
    opacity: 0.7;
}

.whatsapp-messages-modal .messages-placeholder .muted {
    color: #6b7280;
}

/* Loading overlay when switching chats */
.whatsapp-messages-modal .loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.6);
    z-index: 2;
}

.whatsapp-messages-modal .spinner {
    width: 28px;
    height: 28px;
    border: 3px solid #cbd5e1;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: whatsapp-modal-spin 0.8s linear infinite;
}

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

.messages-container {
    height: 100%;
    overflow-y: auto;
}


/* Make the send form span the entire footer */
.whatsapp-messages-modal .chat-input form {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    flex: 1 1 auto;
}