/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --sky-blue-start: #87CEEB;
    --sky-blue-end: #E0F6FF;
    --grass-green: #7CB342;
    --grass-dark: #558B2F;
    --cloud-white: #FFFFFF;
    --pigeon-gray: #9E9E9E;
    --pigeon-light: #E0E0E0;
    --chat-bg: rgba(255, 255, 255, 0.95);
    --chat-border: #E0E0E0;
    --message-user: #2196F3;
    --message-bot: #F5F5F5;
    --text-primary: #333;
    --text-secondary: #666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
    background: linear-gradient(to bottom, var(--sky-blue-start) 0%, var(--sky-blue-end) 70%, var(--grass-green) 70%);
    padding-bottom: 200px;
}

body.keyboard-open {
    padding-bottom: 80px;
}

body.keyboard-open .chat-container {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0 auto;
    max-height: 80vh;
}

body.keyboard-open .chat-input-container {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    background: #fff;
    border-top: 1px solid var(--chat-border);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    padding: 10px 12px !important;
    width: 100vw;
    max-width: 100vw;
}

body.keyboard-open .chat-messages {
    max-height: 40vh;
    min-height: 20vh;
    margin-bottom: 60px !important;
}

/* ============================================
   SKY WITH CLOUDS
   ============================================ */
.sky {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 70%;
    background: linear-gradient(to bottom,
            var(--sky-blue-start) 0%,
            var(--sky-blue-end) 100%);
    overflow: hidden;
    z-index: 1;
    pointer-events: auto;
    cursor: default;
}

/* Cloud animations */
.cloud {
    position: absolute;
    background: var(--cloud-white);
    border-radius: 50px;
    opacity: 0.8;
    animation: float 20s infinite ease-in-out;
}

.cloud:before,
.cloud:after {
    content: '';
    position: absolute;
    background: var(--cloud-white);
    border-radius: 50px;
}

.cloud1 {
    width: 80px;
    height: 80px;
    top: 10%;
    left: 10%;
    animation-duration: 25s;
}

.cloud1:before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.cloud1:after {
    width: 60px;
    height: 60px;
    top: -15px;
    right: 10px;
}

.cloud2 {
    width: 100px;
    height: 100px;
    top: 15%;
    right: 15%;
    animation-duration: 30s;
    animation-delay: -5s;
}

.cloud2:before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 15px;
}

.cloud2:after {
    width: 70px;
    height: 70px;
    top: -20px;
    right: 15px;
}

.cloud3 {
    width: 70px;
    height: 70px;
    top: 25%;
    left: 60%;
    animation-duration: 35s;
    animation-delay: -10s;
}

.cloud3:before {
    width: 45px;
    height: 45px;
    top: -20px;
    left: 10px;
}

.cloud3:after {
    width: 55px;
    height: 55px;
    top: -15px;
    right: 10px;
}

@keyframes float {

    0%,
    100% {
        transform: translateX(0) translateY(0);
    }

    25% {
        transform: translateX(20px) translateY(-10px);
    }

    50% {
        transform: translateX(-15px) translateY(5px);
    }

    75% {
        transform: translateX(10px) translateY(-5px);
    }
}

/* ============================================
   NOTIFICATION MESSAGE IN SKY
   ============================================ */
.notification-message {
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    opacity: 0;
    animation: fadeInDown 1s ease-out 0.5s forwards;
}

.notification-content {
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: floatMessage 3s ease-in-out infinite;
}

.notification-icon {
    font-size: 24px;
    animation: pulse 2s ease-in-out infinite;
}

.notification-text {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes floatMessage {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

/* ============================================
   3D ANIMATED PIGEON (GLTF Model)
   ============================================ */
.pigeon-container {
    position: fixed;
    left: 50%;
    width: min(420px, 60vw);
    height: min(420px, 60vw);
    pointer-events: auto;
    transform: translate(-50%, -50%);
    z-index: 5;
    transition: top 0.3s ease;
}

/* Default state: centered in full viewport minus chat height */
.pigeon-container {
    top: 50%;
}

/* When chat is minimized: center in smaller available space */
.chat-container.minimized~.pigeon-container {
    /* JavaScript will update this */
}

.pigeon-container canvas {
    width: 100% !important;
    height: 100% !important;
}

.pigeon-model {
    width: 500px;
    height: 300px;
    margin: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

@keyframes grassSway {

    0%,
    100% {
        transform: rotate(0deg);
    }

    50% {
        transform: rotate(5deg);
    }
}

/* ============================================
   CHAT CONTAINER
   ============================================ */
.chat-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
    z-index: 100;
    transition: height 0.3s ease;
}

/* Default height for small screens */
@media (max-width: 767px) {
    .chat-container {
        height: 60vh !important;
    }
}

/* Desktop screens */
@media (min-width: 768px) {
    .chat-container {
        height: 66vh !important;
    }
}

/* Minimized state on ALL screen sizes */
.chat-container.minimized {
    height: auto !important;
    overflow: hidden !important;
}

/* Hide header + messages when minimized (ALL screens) */
.chat-container.minimized .chat-header,
.chat-container.minimized .chat-messages {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* Keep input row visible when minimized (ALL screens) */
.chat-container.minimized .chat-input-container {
    display: flex !important;
    visibility: visible !important;
    height: auto !important;
    padding: 10px 20px !important;
}

.chat-messages {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-height: 240px;
}

.chat-header {
    flex: 0 0 auto;
    padding: 15px 20px;
    border-bottom: 1px solid var(--chat-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
}

.chat-header h2 {
    font-size: 20px;
    color: var(--text-primary);
    font-weight: 600;
}

.chat-header-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.chat-input-container {
    flex: 0 0 auto;
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    border-top: 1px solid var(--chat-border);
    background: rgba(255, 255, 255, 0.9);
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--chat-border);
    border-radius: 25px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

.chat-input:focus {
    border-color: var(--message-user);
}

.send-button {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--message-user), #1976D2);
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
    flex-shrink: 0;
}

.send-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

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

.send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.message {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    animation: messageSlideIn 0.3s ease-out;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.bot-message .message-avatar {
    background: linear-gradient(135deg, #E0E0E0, #BDBDBD);
}

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

.user-message .message-avatar {
    background: linear-gradient(135deg, var(--message-user), #1976D2);
}

.message-content {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
}

.bot-message .message-content {
    background: var(--message-bot);
    color: var(--text-primary);
}

.user-message .message-content {
    background: var(--message-user);
    color: white;
}

.message-content p {
    margin: 0;
    line-height: 1.5;
    word-wrap: break-word;
}

.message-time {
    font-size: 11px;
    opacity: 0.7;
    display: block;
    margin-top: 5px;
}

.create-message-button {
    padding: 6px 12px;
    background: linear-gradient(135deg, #FF6B9D, #C44569);
    color: white;
    border: none;
    border-radius: 18px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(255, 107, 157, 0.3);
    white-space: nowrap;
}

.create-message-button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 107, 157, 0.4);
}

.create-message-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.notify-button {
    padding: 6px 12px;
    background: linear-gradient(135deg, #56ab2f, #a8e063);
    color: white;
    border: none;
    border-radius: 18px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(86, 171, 47, 0.3);
    white-space: nowrap;
}

.notify-button:hover {
    transform: scale(1.05);
}

.notify-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4CAF50;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* Toggle button */
.toggle-button {
    position: fixed;
    right: 12px;
    z-index: 200;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 8px;
    cursor: pointer;
    padding: 6px 10px;
    transition: bottom 0.18s ease;
}

@media (max-width: 420px) {
    .toggle-button {
        right: 8px;
        padding: 6px 8px;
        font-size: 12px;
    }
}

/* ============================================
   AR BUTTON
   ============================================ */
.ar-button {
    position: absolute;
    left: 50%;
    bottom: 8%;
    transform: translateX(-50%);
    z-index: 25;
    padding: 10px 16px;
    border-radius: 22px;
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
    border: none;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(25, 118, 210, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    pointer-events: auto;
}

.ar-button:active {
    transform: translateX(-50%) scale(0.98);
}

.ar-button:hover {
    box-shadow: 0 8px 24px rgba(25, 118, 210, 0.4);
}

/* ============================================
   LOADING OVERLAY
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #E0E0E0;
    border-top-color: var(--message-user);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* ============================================
   PROTOCOL WARNING
   ============================================ */
.protocol-warning {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.warning-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.warning-content h3 {
    color: #ff6b6b;
    margin-bottom: 15px;
    font-size: 24px;
}

.warning-content p {
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.warning-commands {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    font-family: 'Courier New', monospace;
}

.warning-commands code {
    color: #2196F3;
    font-size: 14px;
}

.warning-commands small {
    display: block;
    margin-top: 10px;
    color: var(--text-secondary);
}

.warning-content button {
    margin-top: 20px;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--message-user), #1976D2);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s;
}

.warning-content button:hover {
    transform: scale(1.05);
}

/* ============================================
   TYPING INDICATOR
   ============================================ */
.typing-indicator .message-content {
    padding: 12px 20px;
}

.typing-dots {
    display: flex;
    gap: 6px;
    align-items: center;
}

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

.typing-dots span:nth-child(1) {
    animation-delay: 0s;
}

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

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

@keyframes typingDot {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.7;
    }

    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Scrollbar styling */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

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

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    body {
        padding-bottom: 120px;
    }

    .pigeon-container {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        width: 100%;
    }

    .notification-content {
        padding: 12px 20px;
        font-size: 14px;
    }

    .notification-text {
        font-size: 16px;
    }

    .message-content {
        max-width: 90%;
    }

    .create-message-button,
    .notify-button {
        width: 100%;
        text-align: center;
    }

    .ar-button {
        padding: 12px 18px;
        font-size: 16px;
        bottom: 6%;
    }
}

@media (min-width: 1024px) {
    .chat-container {
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        max-height: 45%;
        border-radius: 32px 32px 0 0;
    }
}

/* ...existing code... */