:root {
    --tawasol-primary: #2563eb;
    --tawasol-bg: #ffffff;
    --tawasol-bg-rgb: 255, 255, 255;
    --tawasol-text: #1f2937;
    --tawasol-border: #e5e7eb;
    --tawasol-sidebar-bg: #f9fafb;
}

[data-theme='dark'] {
    --tawasol-bg: #111827;
    --tawasol-bg-rgb: 17, 24, 39;
    --tawasol-text: #f9fafb;
    --tawasol-border: #374151;
    --tawasol-sidebar-bg: #1f2937;
}

#tawasol-chat-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--tawasol-bg);
    color: var(--tawasol-text);
    z-index: 99999;
    display: none;
    flex-direction: column;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    animation: slideInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

#tawasol-chat-overlay.active {
    display: flex;
}

#tawasol-chat-overlay.dedicated {
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 1000000;
    animation: none; /* No entry animation for dedicated pages for instant feel */
    border: none;
    border-radius: 0;
}

#tawasol-launcher {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--tawasol-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 30px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 99998;
    transition: transform 0.3s ease;
}

#tawasol-launcher:hover {
    transform: scale(1.1);
}

[dir='rtl'] #tawasol-launcher {
    right: auto;
    left: 20px;
}

#tawasol-auth-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tawasol-sidebar-bg);
}

.tawasol-auth-box {
    background: var(--tawasol-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.tawasol-auth-box input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--tawasol-border);
    border-radius: 4px;
    background: var(--tawasol-bg);
    color: var(--tawasol-text);
}

.tawasol-auth-box button {
    width: 100%;
    padding: 10px;
    background: var(--tawasol-primary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.tawasol-top-bar {
    height: 70px;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--tawasol-border);
    background: rgba(var(--tawasol-bg-rgb), 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.tawasol-mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .tawasol-mobile-only {
        display: block;
        background: none;
        border: none;
        font-size: 24px;
        color: var(--tawasol-text);
        cursor: pointer;
    }
}

.tawasol-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--tawasol-primary), #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tawasol-main-container {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

.tawasol-nav-bar {
    width: 60px;
    background: var(--tawasol-sidebar-bg);
    border-inline-end: 1px solid var(--tawasol-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    justify-content: space-between;
}

.tawasol-nav-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 15px;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s;
    color: var(--tawasol-text);
    opacity: 0.7;
}

.tawasol-nav-item:hover, .tawasol-nav-item.active {
    background: var(--tawasol-border);
    opacity: 1;
}

.tawasol-sidebar {
    width: 340px;
    background: var(--tawasol-sidebar-bg);
    border-inline-end: 1px solid var(--tawasol-border);
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease, transform 0.3s ease;
}

.tawasol-search-box {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tawasol-search-type-toggle {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    opacity: 0.8;
}

.tawasol-search-type-toggle label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.tawasol-search-box input {
    width: 100%;
    padding: 12px 18px;
    border: 1px solid var(--tawasol-border);
    border-radius: 12px;
    background: var(--tawasol-bg);
    color: var(--tawasol-text);
    transition: all 0.2s ease;
}

.tawasol-search-box input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    border-color: var(--tawasol-primary);
}

.tawasol-search-result-item {
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border-bottom: 1px solid var(--tawasol-border);
}

.tawasol-conversation-item {
    transition: background 0.2s ease, transform 0.1s ease;
}

.tawasol-conversation-item:active {
    transform: scale(0.98);
}

.tawasol-conversation-item.active {
    background: var(--tawasol-primary) !important;
    color: white !important;
}

.tawasol-conversation-item.active .tawasol-conv-last-msg {
    color: rgba(255,255,255,0.8);
}

.tawasol-conversation-item.active .tawasol-conv-avatar {
    background: rgba(255,255,255,0.2);
}

.tawasol-search-result-item:hover {
    background: var(--tawasol-primary);
    color: white;
}

.tawasol-user-avatar {
    font-size: 24px;
}

.tawasol-user-name {
    font-weight: bold;
}

.tawasol-user-username {
    font-size: 0.8rem;
    opacity: 0.6;
}

.tawasol-chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tawasol-chat-header {
    height: 70px;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--tawasol-border);
    background: rgba(var(--tawasol-bg-rgb), 0.5);
    backdrop-filter: blur(8px);
}

.tawasol-messages-list {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tawasol-message {
    max-width: 75%;
    padding: 12px 18px;
    border-radius: 22px;
    position: relative;
    animation: messageSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    line-height: 1.6;
    font-size: 0.95rem;
}

@keyframes messageSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.tawasol-message.me {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--tawasol-primary), #6366f1);
    color: white;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.tawasol-message.them {
    align-self: flex-start;
    background: var(--tawasol-sidebar-bg);
    border: 1px solid var(--tawasol-border);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.tawasol-msg-meta {
    margin-left: 5px;
}

.tawasol-msg-status .read {
    color: #4ade80;
}

.tawasol-conversation-item {
    display: flex;
    align-items: center;
    padding: 15px;
    gap: 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--tawasol-border);
    position: relative;
}

.tawasol-conv-avatar {
    width: 45px;
    height: 45px;
    background: var(--tawasol-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.tawasol-conv-info {
    flex: 1;
}

.tawasol-conv-last-msg {
    font-size: 0.8rem;
    opacity: 0.6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.tawasol-presence-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #9ca3af;
}

.tawasol-presence-indicator.online {
    background: #22c55e;
}

.tawasol-presence-indicator.typing {
    background: #3b82f6;
    animation: pulse 1s infinite;
}

.tawasol-settings-group {
    max-width: 600px;
    margin: 0 auto;
    background: var(--tawasol-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.tawasol-input-field {
    margin-bottom: 20px;
}

.tawasol-input-field label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.tawasol-input-field input, .tawasol-input-field textarea, .tawasol-input-field select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--tawasol-border);
    border-radius: 8px;
    background: var(--tawasol-sidebar-bg);
    color: var(--tawasol-text);
}

.tawasol-settings-tabs {
    display: flex;
    gap: 10px;
    justify-content: center;
    border-bottom: 1px solid var(--tawasol-border);
    padding-bottom: 10px;
}

.tawasol-tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--tawasol-text);
    opacity: 0.6;
}

.tawasol-tab-btn.active {
    opacity: 1;
    border-bottom: 2px solid var(--tawasol-primary);
}

.tawasol-unread-badge {
    background: #ef4444;
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.tawasol-message-input-area {
    padding: 20px;
    border-top: 1px solid var(--tawasol-border);
}

.tawasol-message-input-area form {
    display: flex;
    gap: 10px;
}

.tawasol-message-input-area input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--tawasol-border);
    border-radius: 20px;
    background: var(--tawasol-sidebar-bg);
    color: var(--tawasol-text);
}

.tawasol-message-input-area button {
    background: var(--tawasol-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
}

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

/* Handle WP Admin Bar */
.admin-bar #tawasol-chat-overlay {
    top: 32px;
    height: calc(100% - 32px);
}

@media screen and (max-width: 782px) {
    .admin-bar #tawasol-chat-overlay {
        top: 46px;
        height: calc(100% - 46px);
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .tawasol-sidebar {
        width: 100%;
        position: absolute;
        height: 100%;
        z-index: 10;
        transform: translateX(0);
        transition: transform 0.3s ease;
    }

    .tawasol-sidebar.hidden {
        transform: translateX(-100%);
    }

    [dir='rtl'] .tawasol-sidebar.hidden {
        transform: translateX(100%);
    }

    .tawasol-chat-window {
        width: 100%;
    }

    .tawasol-top-bar {
        padding: 0 15px;
    }
}

/* RTL Support */
[dir='rtl'] .tawasol-sidebar {
    border-inline-end: 0;
    border-inline-start: 1px solid var(--tawasol-border);
}

.tawasol-message.tawasol-msg-sending {
    opacity: 0.7;
}

.tawasol-message.tawasol-msg-failed {
    border: 1px solid #ef4444;
}