/* ===================================================
   SafeMind – Chat Popup
   Uses the project's design tokens from :root
   =================================================== */

/* ---------- Floating Action Button ---------- */
.chat-fab {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 1050;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--color-primary, #2E6F54);
    color: #fff;
    font-size: 1.4rem;
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(46, 111, 84, 0.35);
    transition: box-shadow 0.2s ease;
}

.chat-fab:hover {
    box-shadow: 0 6px 20px rgba(46, 111, 84, 0.45);
}

.chat-fab-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 999px;
    background: #ef4444;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: grid;
    place-items: center;
    line-height: 1;
}

/* ---------- Shared Panel Chrome ---------- */
.chat-panel {
    position: fixed;
    bottom: 96px;
    right: 28px;
    z-index: 1051;
    width: 360px;
    max-height: 520px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: chatSlideUp 0.25s ease;
}

@keyframes chatSlideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Header ---------- */
.chat-panel-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid #e5e7eb;
    background: var(--color-primary, #2E6F54);
    color: #fff;
}

.chat-panel-title {
    font-weight: 700;
    font-size: 1.05rem;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-panel-close,
.chat-back-btn,
.chat-add-btn {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    display: grid;
    place-items: center;
    transition: background 0.15s;
}

.chat-panel-close:hover,
.chat-back-btn:hover,
.chat-add-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ---------- Search ---------- */
.chat-search-box {
    position: relative;
    padding: 10px 14px;
    border-bottom: 1px solid #f0f0f0;
}

.chat-search-icon {
    position: absolute;
    left: 26px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 0.85rem;
    pointer-events: none;
}

.chat-search-input {
    width: 100%;
    padding: 9px 12px 9px 34px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    font-size: 0.88rem;
    background: #f9fafb;
    outline: none;
    transition: border-color 0.2s;
}

.chat-search-input:focus {
    border-color: var(--color-primary, #2E6F54);
}

/* ---------- Doctor List ---------- */
.chat-doctor-list {
    height: 276px;
    overflow-y: auto;
    padding: 6px 0;
}

.chat-doctor-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s;
}

.chat-doctor-item:hover {
    background: #f3f8f5;
}

.chat-doctor-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--color-primary-light, #B7E4C7);
    color: var(--color-primary, #2E6F54);
    font-weight: 700;
    font-size: 0.85rem;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.chat-doctor-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chat-doctor-name {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--color-text, #1E1E1E);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-doctor-preview {
    font-size: 0.82rem;
    color: #6b7280;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-doctor-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.chat-doctor-time {
    font-size: 0.72rem;
    color: #9ca3af;
    white-space: nowrap;
}

.chat-doctor-unread {
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--color-primary, #2E6F54);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    display: grid;
    place-items: center;
    line-height: 1;
}

/* Per-conversation unread badge */
.chat-contact-badge {
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--color-primary, #2E6F54);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    display: grid;
    place-items: center;
    line-height: 1;
}

.chat-doctor-item--unread .chat-doctor-name {
    font-weight: 700;
}

.chat-doctor-item--unread .chat-doctor-preview {
    color: #374151;
    font-weight: 600;
}

/* Empty state */
.chat-empty-state {
    padding: 40px 20px;
    text-align: center;
    color: #9ca3af;
}

.chat-empty-state i {
    font-size: 2rem;
    margin-bottom: 10px;
    opacity: 0.4;
}

.chat-empty-state p {
    font-size: 0.88rem;
    margin: 0;
    line-height: 1.5;
}

/* ---------- Conversation Title ---------- */
.chat-conv-title-group {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.chat-conv-status {
    font-size: 0.72rem;
    font-weight: 400;
    opacity: 0.8;
}

/* ---------- Messages Area ---------- */
.chat-messages {
    overflow-y: auto;
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #fafaf7;
    height: 276px;
}

/* Message row */
.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 78%;
}

.chat-msg--sent {
    align-self: flex-end;
    align-items: flex-end;
}

.chat-msg--received {
    align-self: flex-start;
    align-items: flex-start;
}

.chat-msg-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.9rem;
    line-height: 1.45;
    word-break: break-word;
}

.chat-msg--sent .chat-msg-bubble {
    background: var(--color-primary, #2E6F54);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-msg--received .chat-msg-bubble {
    background: #fff;
    color: var(--color-text, #1E1E1E);
    border: 1px solid #e5e7eb;
    border-bottom-left-radius: 4px;
}

.chat-msg-time {
    font-size: 0.68rem;
    color: #9ca3af;
    margin-top: 3px;
    padding: 0 4px;
}

/* Date separator */
.chat-date-sep {
    text-align: center;
    font-size: 0.72rem;
    color: #9ca3af;
    padding: 6px 0;
    position: relative;
}

.chat-date-sep::before,
.chat-date-sep::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 30%;
    height: 1px;
    background: #e5e7eb;
}

.chat-date-sep::before {
    left: 0;
}

.chat-date-sep::after {
    right: 0;
}

/* ---------- Input Area ---------- */
.chat-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid #e5e7eb;
    background: #fff;
}

.chat-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    font-size: 0.88rem;
    outline: none;
    background: #f9fafb;
    transition: border-color 0.2s;
}

.chat-input:focus {
    border-color: var(--color-primary, #2E6F54);
}

.chat-send-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: none;
    background: var(--color-primary, #2E6F54);
    color: #fff;
    font-size: 0.92rem;
    display: grid;
    place-items: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s, transform 0.15s;
}

.chat-send-btn:hover {
    background: #245a44;
    transform: scale(1.05);
}

/* ---------- Scrollbar ---------- */
.chat-doctor-list::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar {
    width: 5px;
}

.chat-doctor-list::-webkit-scrollbar-track,
.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-doctor-list::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 999px;
}

/* ---------- Responsive ---------- */
@media (max-width: 420px) {
    .chat-panel {
        right: 10px;
        left: auto;
        bottom: 80px;
        width: auto;
        max-height: 70vh;
        border-radius: 14px;
    }

    .chat-fab {
        bottom: 18px;
        right: 18px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}