/**
 * ChinPost ChatBox - Professional Styles
 * Glassmorphism + Modern Animations
 */

:root {
    --chinpost-primary: #D4AF37;
    --chinpost-primary-dark: #B8960C;
    --chinpost-secondary: #1a2a4a;
    --chinpost-bg: #ffffff;
    --chinpost-text: #1a1a2e;
    --chinpost-text-light: #6b7280;
    --chinpost-border: rgba(0, 0, 0, 0.08);
    --chinpost-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --chinpost-gradient: linear-gradient(135deg, #D4AF37 0%, #F4E5B2 50%, #D4AF37 100%);
    --chinpost-glass: rgba(255, 255, 255, 0.85);
    --chinpost-radius: 20px;
    --chinpost-radius-sm: 12px;
    --chinpost-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --chinpost-bg: #1a1a2e;
        --chinpost-text: #f1f5f9;
        --chinpost-text-light: #94a3b8;
        --chinpost-border: rgba(255, 255, 255, 0.1);
        --chinpost-glass: rgba(26, 26, 46, 0.9);
    }
}

/* Container */
.chinpost-chat-container {
    position: fixed;
    bottom: 24px;
    z-index: 999999;
    font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
    direction: rtl;
}

.chinpost-chat-container[data-position="right"] {
    right: 24px;
}

.chinpost-chat-container[data-position="left"] {
    left: 24px;
}

/* Toggle Button */
.chinpost-chat-toggle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: none;
    background: var(--chinpost-gradient);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 8px 32px rgba(212, 175, 55, 0.4),
        0 0 0 0 rgba(212, 175, 55, 0.4);
    transition: var(--chinpost-transition);
    position: relative;
    overflow: hidden;
}

.chinpost-chat-toggle::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: var(--chinpost-gradient);
    z-index: -1;
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.chinpost-chat-toggle:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 12px 40px rgba(212, 175, 55, 0.5),
        0 0 0 4px rgba(212, 175, 55, 0.2);
}

.chinpost-chat-toggle .toggle-icon {
    width: 28px;
    height: 28px;
    color: var(--chinpost-secondary);
    transition: var(--chinpost-transition);
    position: absolute;
}

.chinpost-chat-toggle .chat-icon {
    opacity: 1;
    transform: scale(1);
}

.chinpost-chat-toggle .close-icon {
    opacity: 0;
    transform: scale(0) rotate(-90deg);
}

.chinpost-chat-container.open .chinpost-chat-toggle .chat-icon {
    opacity: 0;
    transform: scale(0) rotate(90deg);
}

.chinpost-chat-container.open .chinpost-chat-toggle .close-icon {
    opacity: 1;
    transform: scale(1) rotate(0);
}

/* Unread Badge */
.unread-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ef4444;
    color: white;
    font-size: 11px;
    font-weight: 700;
    min-width: 22px;
    height: 22px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    animation: bounce-in 0.4s ease-out;
}

@keyframes bounce-in {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Chat Window */
.chinpost-chat-window {
    position: absolute;
    bottom: 80px;
    width: 400px;
    max-width: calc(100vw - 48px);
    height: 600px;
    max-height: calc(100vh - 120px);
    background: var(--chinpost-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--chinpost-radius);
    box-shadow: var(--chinpost-shadow);
    border: 1px solid var(--chinpost-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: var(--chinpost-transition);
}

.chinpost-chat-container[data-position="right"] .chinpost-chat-window {
    right: 0;
}

.chinpost-chat-container[data-position="left"] .chinpost-chat-window {
    left: 0;
}

.chinpost-chat-container.open .chinpost-chat-window {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Header */
.chat-header {
    padding: 16px 20px;
    background: var(--chinpost-gradient);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar-container {
    position: relative;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    object-fit: cover;
}

.status-dot {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--chinpost-primary);
}

.status-dot.online {
    background: #22c55e;
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.offline {
    background: #6b7280;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.header-text h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--chinpost-secondary);
}

.header-text .status-text {
    font-size: 12px;
    color: rgba(26, 42, 74, 0.7);
}

.header-actions button {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--chinpost-transition);
}

.header-actions button:hover {
    background: rgba(255, 255, 255, 0.5);
}

.header-actions button svg {
    width: 18px;
    height: 18px;
    color: var(--chinpost-secondary);
}

/* Registration Screen */
.chat-registration {
    flex: 1;
    display: none;
    flex-direction: column;
    padding: 24px;
    overflow-y: auto;
}

.chat-registration.active {
    display: flex;
}

.registration-header {
    text-align: center;
    margin-bottom: 24px;
}

.logo-animation {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.airplane-icon {
    width: 40px;
    height: 40px;
    color: var(--chinpost-primary);
}

.registration-header h3 {
    margin: 0 0 8px;
    font-size: 20px;
    color: var(--chinpost-text);
}

.registration-header p {
    margin: 0;
    font-size: 14px;
    color: var(--chinpost-text-light);
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    position: relative;
}

.form-group label {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--chinpost-text-light);
    pointer-events: none;
}

.form-group label svg {
    width: 20px;
    height: 20px;
}

.form-group input {
    width: 100%;
    padding: 14px 14px 14px 48px;
    border: 2px solid var(--chinpost-border);
    border-radius: var(--chinpost-radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--chinpost-bg);
    color: var(--chinpost-text);
    transition: var(--chinpost-transition);
    direction: rtl;
}

.form-group input:focus {
    outline: none;
    border-color: var(--chinpost-primary);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.form-group input::placeholder {
    color: var(--chinpost-text-light);
}

.start-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 24px;
    background: var(--chinpost-gradient);
    border: none;
    border-radius: var(--chinpost-radius-sm);
    font-size: 16px;
    font-weight: 600;
    color: var(--chinpost-secondary);
    cursor: pointer;
    transition: var(--chinpost-transition);
    margin-top: 8px;
}

.start-chat-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
}

.start-chat-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.start-chat-btn:hover svg {
    transform: translateX(-4px);
}

.privacy-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 12px;
    color: var(--chinpost-text-light);
}

.privacy-note svg {
    width: 14px;
    height: 14px;
}

/* Chat Area */
.chat-area {
    flex: 1;
    display: none;
    flex-direction: column;
    min-height: 0;
}

.chat-area.active {
    display: flex;
}

/* Mode Selector */
.mode-selector {
    display: flex;
    padding: 12px 16px;
    gap: 8px;
    background: rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid var(--chinpost-border);
}

.mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    background: transparent;
    border: 2px solid var(--chinpost-border);
    border-radius: var(--chinpost-radius-sm);
    font-size: 13px;
    font-family: inherit;
    color: var(--chinpost-text-light);
    cursor: pointer;
    transition: var(--chinpost-transition);
}

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

.mode-btn:hover {
    border-color: var(--chinpost-primary);
    color: var(--chinpost-primary);
}

.mode-btn.active {
    background: var(--chinpost-gradient);
    border-color: var(--chinpost-primary);
    color: var(--chinpost-secondary);
    font-weight: 600;
}

/* Messages Container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

.messages-container::-webkit-scrollbar {
    width: 6px;
}

.messages-container::-webkit-scrollbar-track {
    background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
}

/* Message Bubbles */
.message {
    display: flex;
    gap: 8px;
    max-width: 85%;
    animation: message-in 0.3s ease-out;
}

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

.message.user {
    flex-direction: row-reverse;
    align-self: flex-start;
}

.message.bot,
.message.admin {
    align-self: flex-end;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    overflow: hidden;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.message-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

.message.user .message-bubble {
    background: var(--chinpost-gradient);
    color: var(--chinpost-secondary);
    border-bottom-left-radius: 6px;
}

.message.bot .message-bubble,
.message.admin .message-bubble {
    background: var(--chinpost-bg);
    color: var(--chinpost-text);
    border: 1px solid var(--chinpost-border);
    border-bottom-right-radius: 6px;
}

.message-time {
    font-size: 11px;
    color: var(--chinpost-text-light);
    padding: 0 8px;
}

.message.user .message-time {
    text-align: left;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 16px 12px;
}

.typing-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    overflow: hidden;
}

.typing-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.typing-dots {
    display: flex;
    gap: 4px;
    padding: 10px 14px;
    background: var(--chinpost-bg);
    border: 1px solid var(--chinpost-border);
    border-radius: 18px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--chinpost-text-light);
    border-radius: 50%;
    animation: typing-bounce 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* Quick Replies */
.quick-replies {
    display: flex;
    gap: 8px;
    padding: 8px 16px;
    overflow-x: auto;
    flex-shrink: 0;
}

.quick-replies::-webkit-scrollbar {
    display: none;
}

.quick-reply-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    font-size: 13px;
    font-family: inherit;
    color: var(--chinpost-primary-dark);
    cursor: pointer;
    transition: var(--chinpost-transition);
    white-space: nowrap;
}

.quick-reply-btn:hover {
    background: var(--chinpost-gradient);
    border-color: var(--chinpost-primary);
    color: var(--chinpost-secondary);
}

/* Input Area */
.chat-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--chinpost-border);
    background: rgba(0, 0, 0, 0.02);
}

.attach-btn,
.send-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--chinpost-transition);
    flex-shrink: 0;
}

.attach-btn {
    background: transparent;
    color: var(--chinpost-text-light);
}

.attach-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--chinpost-primary);
}

.send-btn {
    background: var(--chinpost-gradient);
    color: var(--chinpost-secondary);
}

.send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
}

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

.attach-btn svg,
.send-btn svg {
    width: 20px;
    height: 20px;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.input-wrapper textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--chinpost-border);
    border-radius: var(--chinpost-radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--chinpost-bg);
    color: var(--chinpost-text);
    resize: none;
    max-height: 120px;
    transition: var(--chinpost-transition);
    direction: rtl;
}

.input-wrapper textarea:focus {
    outline: none;
    border-color: var(--chinpost-primary);
}

.input-wrapper textarea::placeholder {
    color: var(--chinpost-text-light);
}

/* Footer */
.chat-footer {
    padding: 8px 16px;
    text-align: center;
    font-size: 11px;
    color: var(--chinpost-text-light);
    border-top: 1px solid var(--chinpost-border);
    background: rgba(0, 0, 0, 0.02);
}

.chat-footer strong {
    color: var(--chinpost-primary);
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chinpost-chat-container {
        bottom: 16px;
        right: 16px !important;
        left: 16px !important;
    }
    
    .chinpost-chat-toggle {
        width: 56px;
        height: 56px;
    }
    
    .chinpost-chat-window {
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
        bottom: 72px;
        right: 0 !important;
        left: 0 !important;
        margin: 0 auto;
        border-radius: var(--chinpost-radius-sm);
    }
    
    .mode-selector {
        flex-direction: column;
    }
}

/* Loading State */
.chinpost-chat-window.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--chinpost-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* Animations for messages */
.message.sending .message-bubble {
    opacity: 0.7;
}

.message.error .message-bubble {
    background: #fef2f2;
    border-color: #fecaca;
}