/* Ice Beer Bot V2 - Visual WhatsApp Otimizado */
/* Mobile First - Performance e Responsividade Avançada */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores WhatsApp */
    --whatsapp-green: #25D366;
    --whatsapp-dark-green: #128C7E;
    --whatsapp-light-green: #DCF8C6;
    --whatsapp-blue: #34B7F1;
    --whatsapp-gray: #E5DDD5;
    --whatsapp-dark-gray: #667781;
    --whatsapp-bg: #E5DDD5;
    --whatsapp-white: #FFFFFF;
    --whatsapp-black: #3B4A54;
    --whatsapp-light-gray: #F0F0F0;
    
    /* Animações suaves */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--whatsapp-bg);
    color: var(--whatsapp-black);
    line-height: 1.4;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* ==================== CONTAINER PRINCIPAL ==================== */

.whatsapp-container {
    width: 100%;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--whatsapp-bg);
    position: relative;
    overflow: hidden;
}

/* ==================== HEADER ==================== */

.header {
    background: var(--whatsapp-dark-green);
    color: white;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    flex-shrink: 0;
    z-index: 100;
}

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

.avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    border: 2px solid rgba(255,255,255,0.2);
}

.info h1 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 2px;
}

.info p {
    font-size: 12px;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 4px;
}

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

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

.reset-btn {
    background: none;
    border: none;
    color: white;
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.reset-btn:active {
    background: rgba(255,255,255,0.1);
    transform: scale(0.95);
}

.reset-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* ==================== CHAT ==================== */

.chat {
    flex: 1;
    padding: 16px 8px 80px 8px;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior-y: contain;
    background: var(--whatsapp-bg);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
    background-attachment: fixed;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    /* Performance optimization */
    will-change: scroll-position;
    transform: translateZ(0);
}

.chat::-webkit-scrollbar {
    width: 4px;
}

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

.chat::-webkit-scrollbar-thumb {
    background: rgba(102, 119, 129, 0.3);
    border-radius: 2px;
}

.chat::-webkit-scrollbar-thumb:hover {
    background: var(--whatsapp-dark-gray);
}

/* ==================== MENSAGENS ==================== */

.message {
    margin-bottom: 16px;
    display: flex;
    animation: slideIn 0.3s ease-out;
    /* Performance optimization */
    will-change: transform, opacity;
    transform: translateZ(0);
}

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

.message.bot {
    justify-content: flex-start;
}

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative;
    word-wrap: break-word;
    word-break: break-word;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    transition: var(--transition-fast);
}

.message.bot .message-content {
    background: var(--whatsapp-white);
    border-bottom-left-radius: 4px;
    color: var(--whatsapp-black);
}

.message.user .message-content {
    background: var(--whatsapp-light-green);
    border-bottom-right-radius: 4px;
    color: var(--whatsapp-black);
}

.timestamp {
    font-size: 11px;
    color: var(--whatsapp-dark-gray);
    margin-top: 4px;
    text-align: right;
}

.message.bot .timestamp {
    text-align: left;
}

/* ==================== TYPING INDICATOR ==================== */

.typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    background: var(--whatsapp-white);
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    max-width: 70px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--whatsapp-dark-gray);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* ==================== QUICK REPLIES ==================== */

.quick-replies {
    padding: 8px 16px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: var(--whatsapp-white);
    border-top: 1px solid var(--whatsapp-gray);
    flex-shrink: 0;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

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

.quick-reply {
    background: var(--whatsapp-white);
    border: 1px solid var(--whatsapp-gray);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 14px;
    color: var(--whatsapp-black);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.quick-reply:active {
    background: var(--whatsapp-light-green);
    border-color: var(--whatsapp-green);
    transform: scale(0.98);
}

/* ==================== INPUT AREA ==================== */

.input-area {
    background: var(--whatsapp-white);
    padding: 12px 16px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--whatsapp-gray);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    z-index: 100;
}

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

.input-field {
    width: 100%;
    background: var(--whatsapp-light-gray);
    border: none;
    border-radius: 20px;
    padding: 12px 16px;
    font-size: 16px;
    color: var(--whatsapp-black);
    outline: none;
    transition: var(--transition-fast);
    resize: none;
    min-height: 20px;
    max-height: 100px;
    font-family: inherit;
    touch-action: manipulation;
}

.input-field:focus {
    background: var(--whatsapp-white);
    box-shadow: 0 0 0 2px var(--whatsapp-green);
}

.input-field::placeholder {
    color: var(--whatsapp-dark-gray);
}

.send-btn {
    background: var(--whatsapp-green);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.send-btn:active {
    background: var(--whatsapp-dark-green);
    transform: scale(0.95);
}

.send-btn:disabled {
    background: var(--whatsapp-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.send-btn svg {
    width: 20px;
    height: 20px;
    fill: white;
}

/* ==================== FLAVOR SELECTOR ==================== */

.flavor-selector {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    padding: 20px;
    margin: 15px 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.flavor-header {
    text-align: center;
    margin-bottom: 20px;
}

.flavor-header h3 {
    color: #2c3e50;
    font-size: 18px;
    margin: 0 0 8px 0;
    font-weight: 600;
}

.flavor-header p {
    color: #6c757d;
    font-size: 14px;
    margin: 0;
}

.flavor-options {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

.flavor-option {
    cursor: pointer;
    transition: var(--transition);
    border-radius: 15px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.flavor-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 15px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition-fast);
}

.flavor-option:active .flavor-card {
    transform: scale(0.98);
}

.flavor-option.selected .flavor-card {
    border-color: var(--whatsapp-green);
    background: linear-gradient(135deg, #f0fff4 0%, #e8f5e8 100%);
    box-shadow: 0 4px 20px rgba(0, 184, 132, 0.2);
}

.flavor-icon {
    font-size: 28px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    transition: var(--transition);
}

.flavor-option.selected .flavor-icon {
    background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark-green) 100%);
    transform: scale(1.1);
}

.flavor-content {
    flex: 1;
}

.flavor-content h4 {
    color: #2c3e50;
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 4px 0;
}

.flavor-content p {
    color: #6c757d;
    font-size: 13px;
    margin: 0;
    line-height: 1.4;
}

.flavor-check {
    width: 24px;
    height: 24px;
    border: 2px solid #dee2e6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    background: white;
}

.flavor-option.selected .flavor-check {
    background: var(--whatsapp-green);
    border-color: var(--whatsapp-green);
    transform: scale(1.1);
}

.check-icon {
    color: white;
    font-size: 12px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.flavor-option.selected .check-icon {
    opacity: 1;
}

.flavor-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding-top: 15px;
    border-top: 1px solid #e9ecef;
}

.flavor-counter {
    flex: 1;
}

.counter-text {
    color: #6c757d;
    font-size: 14px;
    font-weight: 500;
}

.flavor-confirm-btn {
    background: #dee2e6;
    color: #6c757d;
    border: none;
    border-radius: 25px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    min-width: 160px;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.flavor-confirm-btn.active {
    background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark-green) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 184, 132, 0.3);
}

.flavor-confirm-btn.active:active {
    transform: scale(0.98);
}

.flavor-confirm-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-icon {
    font-size: 16px;
}

.btn-text {
    font-size: 14px;
}

/* ==================== DATE PICKER ==================== */

.date-picker {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    padding: 20px;
    margin: 15px 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.date-input {
    width: 100%;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 16px;
    color: #2c3e50;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
    touch-action: manipulation;
}

.date-input:focus {
    border-color: var(--whatsapp-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.date-confirm-btn {
    background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark-green) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.date-confirm-btn:active {
    transform: scale(0.98);
}

/* ==================== DATE SEPARATOR ==================== */

.date-separator {
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.date-separator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--whatsapp-gray);
    z-index: 1;
}

.date-separator span {
    background: var(--whatsapp-bg);
    color: var(--whatsapp-dark-gray);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 12px;
    position: relative;
    z-index: 2;
    font-weight: 500;
}

/* ==================== RESPONSIVE - MOBILE ==================== */

@media (max-width: 768px) {
    .header {
        padding: 10px 14px;
    }
    
    .avatar {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .info h1 {
        font-size: 15px;
    }
    
    .info p {
        font-size: 11px;
    }
    
    .chat {
        padding: 12px 6px 100px 6px;
    }
    
    .message-content {
        max-width: 85%;
        padding: 10px 14px;
        font-size: 15px;
    }
    
    .timestamp {
        font-size: 10px;
    }
    
    .quick-reply {
        font-size: 13px;
        padding: 8px 14px;
    }
    
    .send-btn {
        width: 42px;
        height: 42px;
    }
    
    .flavor-selector {
        margin: 10px 0;
        padding: 15px;
        border-radius: 15px;
    }
    
    .flavor-header h3 {
        font-size: 16px;
    }
    
    .flavor-header p {
        font-size: 13px;
    }
    
    .flavor-card {
        padding: 14px;
        gap: 12px;
    }
    
    .flavor-icon {
        width: 45px;
        height: 45px;
        font-size: 24px;
    }
    
    .flavor-content h4 {
        font-size: 15px;
    }
    
    .flavor-content p {
        font-size: 12px;
    }
    
    .flavor-footer {
        flex-direction: column;
        gap: 12px;
    }
    
    .flavor-confirm-btn {
        width: 100%;
        padding: 14px 20px;
        font-size: 15px;
        min-width: auto;
    }
    
    .date-picker {
        margin: 10px 0;
        padding: 15px;
        border-radius: 15px;
    }
    
    .date-confirm-btn {
        padding: 16px 20px;
        font-size: 16px;
    }
}

/* ==================== LANDSCAPE MODE ==================== */

@media (max-width: 768px) and (orientation: landscape) {
    .header {
        padding: 6px 12px;
    }
    
    .avatar {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .info h1 {
        font-size: 14px;
    }
    
    .chat {
        padding: 8px 6px 60px 6px;
    }
    
    .message-content {
        padding: 8px 12px;
        font-size: 14px;
    }
}

/* ==================== ACESSIBILIDADE ==================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==================== DESKTOP HOVER ==================== */

@media (hover: hover) and (pointer: fine) {
    .reset-btn:hover {
        background: rgba(255,255,255,0.1);
        transform: scale(1.1);
    }
    
    .message-content:hover {
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }
    
    .quick-reply:hover {
        background: var(--whatsapp-light-green);
        border-color: var(--whatsapp-green);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }
    
    .send-btn:hover {
        background: var(--whatsapp-dark-green);
        transform: scale(1.1);
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    }
    
    .flavor-option:hover .flavor-card {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    .flavor-confirm-btn.active:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 184, 132, 0.4);
    }
    
    .date-confirm-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    }
}

/* ==================== TOUCH OPTIMIZATION ==================== */

@media (hover: none) and (pointer: coarse) {
    /* Remover hover effects em touch devices */
    .message-content:hover,
    .quick-reply:hover,
    .flavor-option:hover .flavor-card {
        transform: none;
        box-shadow: initial;
    }
}

/* ==================== HEADER CONTROLS ==================== */

.header-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.header-buttons {
    display: flex;
    gap: 8px;
}

/* ==================== AGENCY CREDIT HEADER ==================== */

.agency-credit-header {
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.agency-credit-header:hover {
    opacity: 1;
}

.agency-credit-header span {
    font-size: 9px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    letter-spacing: 0.2px;
    text-align: right;
    display: block;
}

/* Dark mode para crédito no header */
[data-theme="dark"] .agency-credit-header span {
    color: rgba(255, 255, 255, 0.7);
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* Mobile - ajustar tamanho */
@media (max-width: 768px) {
    .agency-credit-header span {
        font-size: 8px;
    }
    
    .header-controls {
        gap: 2px;
    }
}

/* Landscape mode - ajustar tamanho */
@media (max-width: 768px) and (orientation: landscape) {
    .agency-credit-header span {
        font-size: 7px;
    }
}