/* ============================================================
   Modern Chat - Android Material / Premium Messaging Design
   Loaded AFTER modern-chat.css for specificity override
   ============================================================ */

/* --- Design tokens --- */
:root {
    --spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --spring-soft: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-material: cubic-bezier(0.4, 0.0, 0.2, 1);
    --bubble-user: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light, #2a7ab8) 100%);
    --bubble-bot-bg: #ffffff;
    --bubble-bot-border: rgba(0,0,0,0.05);
    --chat-bg: linear-gradient(180deg, #f6f8fb 0%, #eef1f5 100%);
}

/* ============================================================
   CHAT CONTAINER & BACKGROUND
   ============================================================ */
.chat-messages {
    background: var(--chat-bg) !important;
}

@media (max-width: 768px) {
    .chat-messages {
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .chat-messages::-webkit-scrollbar {
        display: none;
    }
}

/* ============================================================
   HEADER - Material elevated
   ============================================================ */
.chat-header {
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding-top: env(safe-area-inset-top, 0px);
}

.bot-avatar-container .bot-avatar {
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    border: 2px solid rgba(255,255,255,0.25);
}

.status-indicator.online {
    box-shadow: 0 0 0 2.5px var(--primary-darkest, #0f244c), 0 0 6px rgba(34,197,94,0.5);
}

.user-avatar {
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.user-avatar img {
    border-radius: inherit;
    object-fit: cover;
}

/* ============================================================
   MESSAGE BUBBLES - Premium WhatsApp/iMessage style
   ============================================================ */

/* --- Entrance animation --- */
.message {
    animation: bubble-entrance 0.35s var(--spring) both;
    margin-bottom: 6px;
}

.message + .message {
    margin-top: 2px;
}

@keyframes bubble-entrance {
    0% {
        opacity: 0;
        transform: translateY(12px) scale(0.97);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* --- Avatar --- */
.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 2px solid #fff;
    flex-shrink: 0;
}

/* --- User bubble --- */
.message.user .message-bubble {
    background: var(--bubble-user) !important;
    color: #fff;
    border-radius: 20px 20px 4px 20px !important;
    box-shadow:
        0 1px 2px rgba(0,58,116,0.15),
        0 4px 12px rgba(0,58,116,0.12);
    border: none !important;
    padding: 10px 16px;
    position: relative;
}

/* Subtle inner glow on user bubble */
.message.user .message-bubble::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, transparent 40%);
    pointer-events: none;
}

/* --- Bot / assistant bubble --- */
.message.bot .message-bubble,
.message.assistant .message-bubble {
    background: var(--bubble-bot-bg) !important;
    color: #1a1d21;
    border-radius: 4px 20px 20px 20px !important;
    box-shadow:
        0 1px 2px rgba(0,0,0,0.06),
        0 3px 10px rgba(0,0,0,0.04);
    border: 1px solid var(--bubble-bot-border) !important;
    padding: 10px 16px;
}

/* --- Message content wrapper --- */
.message-content {
    max-width: 82%;
}

/* --- Consecutive messages from same sender: tighter grouping --- */
.message.user + .message.user {
    margin-top: 2px;
}
.message.user + .message.user .message-avatar {
    visibility: hidden;
}
.message.user + .message.user .message-bubble {
    border-radius: 20px 20px 4px 20px !important;
}

.message.bot + .message.bot,
.message.assistant + .message.assistant {
    margin-top: 2px;
}
.message.bot + .message.bot .message-avatar,
.message.assistant + .message.assistant .message-avatar {
    visibility: hidden;
}

/* --- Timestamp --- */
.message-time {
    font-size: 0.65rem;
    color: #9ca3af;
    padding: 0 4px;
    margin-top: 3px;
}
.message.user .message-time {
    text-align: right;
}

@media (min-width: 769px) {
    .message-time {
        opacity: 0;
        transition: opacity 0.2s ease;
    }
    .message:hover .message-time {
        opacity: 1;
    }
}

/* ============================================================
   REACTIONS - Pill style
   ============================================================ */
.reaction-btn {
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.72rem;
    background: #f3f4f6;
    border: 1px solid transparent;
    transition: all 0.2s var(--ease-material);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.reaction-btn:hover {
    background: #e9ebee;
    transform: scale(1.06);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

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

.reaction-btn.liked,
.reaction-btn.disliked {
    animation: reaction-pop 0.35s var(--spring);
}

@keyframes reaction-pop {
    0% { transform: scale(1); }
    35% { transform: scale(1.3); }
    65% { transform: scale(0.92); }
    100% { transform: scale(1); }
}

/* ============================================================
   QUICK REPLIES - Chips Material
   ============================================================ */
.quick-replies {
    padding: 4px 0 8px;
    gap: 6px;
}

.quick-reply-btn {
    background: #fff !important;
    border: 1.5px solid var(--primary) !important;
    border-radius: 22px !important;
    padding: 8px 18px;
    font-weight: 500;
    font-size: 0.84rem;
    color: var(--primary-dark);
    box-shadow: 0 1px 4px rgba(0,58,116,0.08);
    transition: all 0.2s var(--ease-material);
    position: relative;
    overflow: hidden;
}

.quick-reply-btn:hover {
    background: var(--primary) !important;
    color: #fff;
    box-shadow: 0 3px 12px rgba(0,58,116,0.2);
    transform: translateY(-1px);
}

.quick-reply-btn:active {
    transform: translateY(0) scale(0.97);
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

/* ============================================================
   TICKET CARD - Modern compact bubble
   ============================================================ */
.ticket-card {
    border-radius: 16px !important;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06), 0 6px 20px rgba(0,0,0,0.04) !important;
    border: 1px solid rgba(0,0,0,0.05) !important;
    background: #fff !important;
    max-width: 340px;
}

.ticket-card-header {
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.ticket-card-header .ticket-title {
    font-size: 0.88rem;
}

.ticket-card-body {
    padding: 14px 16px;
}

.ticket-number .ticket-code {
    font-size: 1.2rem;
}

.ticket-card-footer {
    padding: 10px 16px;
    background: #f9fafb;
}

.copy-ticket-btn {
    border-radius: 10px;
    font-size: 0.82rem;
    padding: 8px 14px;
}

/* ============================================================
   WELCOME MESSAGE - Chat bubble style instead of card
   ============================================================ */
.welcome-message {
    box-shadow: none !important;
    justify-content: flex-start;
    padding: 0 0 0 42px;
}

.welcome-card {
    background: #fff !important;
    border: 1px solid rgba(0,0,0,0.05) !important;
    border-radius: 4px 20px 20px 20px !important;
    padding: 16px 20px !important;
    text-align: left !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06), 0 3px 10px rgba(0,0,0,0.04) !important;
    max-width: 380px;
    animation: bubble-entrance 0.4s var(--spring) both;
}

.welcome-card i {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.welcome-card h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.welcome-card p {
    font-size: 0.88rem;
}

/* ============================================================
   INPUT AREA - Clean & modern
   ============================================================ */
.chat-footer {
    background: #fff;
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-bottom: env(safe-area-inset-bottom, 8px);
}

.textarea-wrapper {
    background: #f4f5f7 !important;
    border-radius: 24px !important;
    border: 1.5px solid transparent !important;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.06) !important;
    transition: all 0.25s ease;
}

.textarea-wrapper:focus-within {
    background: #fff !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb, 0,58,116), 0.1) !important;
}

/* --- Send button: modern FAB --- */
.send-btn {
    border-radius: 50% !important;
    transition: all 0.2s var(--spring);
    box-shadow: 0 2px 8px rgba(0,58,116,0.2);
}

.send-btn:not(:disabled) {
    box-shadow: 0 3px 12px rgba(0,58,116,0.25);
}

.send-btn:not(:disabled):hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(0,58,116,0.3);
}

.send-btn:active {
    transform: scale(0.92) !important;
}

@media (max-width: 768px) {
    .send-btn {
        width: 48px !important;
        height: 48px !important;
        min-width: 48px;
    }
}

/* ============================================================
   SPLASH SCREEN - Modern depth
   ============================================================ */
.splash-logo {
    filter: drop-shadow(0 6px 20px rgba(0,0,0,0.25));
}

.splash-cta {
    border-radius: 28px !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.2s var(--spring);
    font-weight: 600;
    letter-spacing: 0.2px;
}

.splash-cta:active {
    transform: scale(0.96);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.splash-cta-secondary {
    background: rgba(255,255,255,0.1) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.2) !important;
}

/* ============================================================
   SHARE MODAL - Glassmorphism
   ============================================================ */
.share-modal-content {
    background: rgba(255,255,255,0.95) !important;
    backdrop-filter: blur(20px) saturate(1.2) !important;
    -webkit-backdrop-filter: blur(20px) saturate(1.2) !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06) !important;
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: 20px !important;
}

.share-option {
    transition: transform 0.2s var(--spring);
}
.share-option:active {
    transform: scale(0.93);
}

/* ============================================================
   RIPPLE EFFECT - All interactive elements
   ============================================================ */
.send-btn,
.splash-cta,
.quick-reply-btn,
.share-button,
.share-option,
.reaction-btn,
.client-auth-btn,
.copy-ticket-btn {
    position: relative;
    overflow: hidden;
}

.send-btn::after,
.splash-cta::after,
.quick-reply-btn::after,
.share-button::after,
.share-option::after,
.client-auth-btn::after,
.copy-ticket-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease, opacity 0.4s ease;
    opacity: 0;
    pointer-events: none;
}

.send-btn:active::after,
.splash-cta:active::after,
.quick-reply-btn:active::after,
.share-button:active::after,
.share-option:active::after,
.client-auth-btn:active::after,
.copy-ticket-btn:active::after {
    width: 250%;
    height: 250%;
    opacity: 1;
    transition: width 0s, height 0s, opacity 0s;
}

/* ============================================================
   TYPING INDICATOR
   ============================================================ */
.typing-dot {
    animation: typing-bounce 1.4s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

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

/* ============================================================
   PREDEFINED QUESTIONS - Compact chips
   ============================================================ */
.predefined-question {
    border-radius: 16px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    transition: all 0.2s var(--ease-material);
    border: 1px solid rgba(0,0,0,0.05);
}

.predefined-question:hover {
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
    transform: translateY(-1px);
}

.predefined-question:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

/* ============================================================
   MISC INTERACTIVE FEEDBACK
   ============================================================ */
.logout-button,
.close-modal-btn,
.share-button {
    transition: transform 0.15s ease;
}
.logout-button:active,
.close-modal-btn:active {
    transform: scale(0.88);
}

/* --- Char counter --- */
.char-counter {
    opacity: 0;
    transition: opacity 0.25s ease;
}
.textarea-wrapper:focus-within .char-counter {
    opacity: 0.45;
}

/* --- Toast --- */
.chat-toast,
.notification-toast {
    animation: toast-slide 0.35s var(--spring) both;
    border-radius: 14px;
}
@keyframes toast-slide {
    0% { opacity: 0; transform: translateY(16px) scale(0.96); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============================================================
   MOBILE SPECIFIC
   ============================================================ */
@media (max-width: 768px) {
    .chat-container {
        box-shadow: none;
        border-radius: 0 !important;
    }

    .chat-header {
        padding-top: calc(env(safe-area-inset-top, 0px) + 6px);
    }

    .message-content {
        max-width: 88%;
    }

    .message-bubble {
        font-size: 0.9rem;
    }

    .welcome-message {
        padding-left: 12px;
    }

    .welcome-card {
        max-width: none;
        border-radius: 4px 16px 16px 16px !important;
    }

    .ticket-card {
        max-width: 100%;
        margin-left: 0;
    }

    body {
        overscroll-behavior-y: contain;
    }
}

/* ============================================================
   WARNING & ERROR MESSAGES
   ============================================================ */
.warning-message .message-bubble {
    border-radius: 4px 20px 20px 20px !important;
}

.error-message .message-bubble {
    border-radius: 4px 20px 20px 20px !important;
}