/**
 * Ice Beer Bot - Enhancements
 * Loading States, Dark Mode e Microinterações
 */

/* ==================== LOADING STATES ==================== */

/* Skeleton Base */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.06) 0%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.06) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Skeleton para mensagem */
.skeleton-message {
    display: flex;
    margin-bottom: 16px;
}

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

.skeleton-message .skeleton-content {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    background: white;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
    border-radius: 4px;
}

.skeleton-text:last-child {
    margin-bottom: 0;
    width: 70%;
}

/* Skeleton para flavor selector */
.skeleton-flavor {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    padding: 20px;
    margin: 15px 0;
}

.skeleton-flavor-option {
    background: white;
    border-radius: 15px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.skeleton-flavor-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
}

.skeleton-flavor-content {
    flex: 1;
}

.skeleton-flavor-title {
    height: 18px;
    width: 120px;
    margin-bottom: 8px;
    border-radius: 4px;
}

.skeleton-flavor-desc {
    height: 14px;
    width: 180px;
    border-radius: 4px;
}

/* Skeleton para date picker */
.skeleton-date {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 20px;
    padding: 20px;
    margin: 15px 0;
}

.skeleton-date-input {
    height: 48px;
    margin-bottom: 15px;
    border-radius: 12px;
}

.skeleton-date-button {
    height: 48px;
    border-radius: 12px;
}

/* ==================== DARK MODE ==================== */

/* Dark Mode Variables - Alto Contraste */
:root[data-theme="dark"] {
    --whatsapp-green: #00d95f;
    --whatsapp-dark-green: #00b84d;
    --whatsapp-light-green: #056952;
    --whatsapp-gray: #3a4248;
    --whatsapp-dark-gray: #adb5bd;
    --whatsapp-bg: #0a1014;
    --whatsapp-white: #1c2732;
    --whatsapp-black: #f0f2f5;
    --whatsapp-light-gray: #2d3843;
    --whatsapp-selected-bg: #1a4d3f;
    --whatsapp-hover-bg: #273642;
    --whatsapp-border: #404952;
}

/* Dark Mode Styles */
[data-theme="dark"] body {
    background: var(--whatsapp-bg);
    color: var(--whatsapp-black);
}

[data-theme="dark"] .chat {
    background: var(--whatsapp-bg);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 168, 132, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 128, 105, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 92, 75, 0.1) 0%, transparent 50%);
}

[data-theme="dark"] .message.bot .message-content {
    background: #253341;
    color: #f0f2f5;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

[data-theme="dark"] .message.user .message-content {
    background: #056952;
    color: #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

[data-theme="dark"] .timestamp {
    color: #8b95a0;
    opacity: 0.9;
}

[data-theme="dark"] .input-area,
[data-theme="dark"] .quick-replies {
    background: #1c2732;
    border-top-color: #404952;
}

[data-theme="dark"] .input-field {
    background: #2d3843;
    color: #f0f2f5;
    border: 1px solid #404952;
}

[data-theme="dark"] .input-field:focus {
    background: #3a4752;
    border-color: #00d95f;
    box-shadow: 0 0 0 2px rgba(0, 217, 95, 0.2);
}

[data-theme="dark"] .input-field::placeholder {
    color: #8b95a0;
}

[data-theme="dark"] .quick-reply {
    background: #2d3843;
    border: 1px solid #4a5562;
    color: #f0f2f5;
}

[data-theme="dark"] .quick-reply:active,
[data-theme="dark"] .quick-reply:hover {
    background: #3a4752;
    border-color: #00d95f;
    color: #00d95f;
}

[data-theme="dark"] .typing {
    background: #253341;
}

[data-theme="dark"] .flavor-selector,
[data-theme="dark"] .date-picker {
    background: linear-gradient(135deg, #1c2732 0%, #253341 100%);
    border: 1px solid #404952;
}

[data-theme="dark"] .flavor-header h3 {
    color: #f0f2f5;
}

[data-theme="dark"] .flavor-header p {
    color: #adb5bd;
}

[data-theme="dark"] .flavor-card {
    background: #2d3843;
    border: 2px solid #4a5562;
}

[data-theme="dark"] .flavor-option:not(.selected) .flavor-card:active {
    background: #3a4752;
}

[data-theme="dark"] .flavor-option.selected .flavor-card {
    background: #1a4d3f;
    border-color: #00d95f;
    box-shadow: 0 4px 20px rgba(0, 217, 95, 0.3);
}

[data-theme="dark"] .flavor-option.selected .flavor-icon {
    background: linear-gradient(135deg, #00d95f 0%, #00b84d 100%);
}

[data-theme="dark"] .flavor-content h4 {
    color: #f0f2f5;
}

[data-theme="dark"] .flavor-content p {
    color: #adb5bd;
}

[data-theme="dark"] .flavor-option.selected .flavor-content h4 {
    color: #ffffff;
}

[data-theme="dark"] .flavor-option.selected .flavor-content p {
    color: #d0e8df;
}

[data-theme="dark"] .counter-text {
    color: #adb5bd;
}

[data-theme="dark"] .flavor-check {
    border-color: #4a5562;
    background: #2d3843;
}

[data-theme="dark"] .flavor-option.selected .flavor-check {
    background: #00d95f;
    border-color: #00d95f;
}

[data-theme="dark"] .date-input {
    background: #2d3843;
    border: 2px solid #4a5562;
    color: #f0f2f5;
}

[data-theme="dark"] .date-input:focus {
    background: #3a4752;
    border-color: #00d95f;
    box-shadow: 0 0 0 3px rgba(0, 217, 95, 0.2);
}

[data-theme="dark"] .date-confirm-btn,
[data-theme="dark"] .flavor-confirm-btn.active {
    background: linear-gradient(135deg, #00d95f 0%, #00b84d 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 217, 95, 0.4);
}

[data-theme="dark"] .flavor-confirm-btn:not(.active) {
    background: #3a4752;
    color: #8b95a0;
}

[data-theme="dark"] .date-separator span {
    background: #0a1014;
    color: #adb5bd;
}

[data-theme="dark"] .date-separator::before {
    background: #404952;
}

[data-theme="dark"] .chat::-webkit-scrollbar-thumb {
    background: rgba(173, 181, 189, 0.4);
}

[data-theme="dark"] .chat::-webkit-scrollbar-thumb:hover {
    background: rgba(173, 181, 189, 0.6);
}

[data-theme="dark"] .header {
    background: #1c2732;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

[data-theme="dark"] .avatar {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    border: 2px solid rgba(255,255,255,0.1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

[data-theme="dark"] .send-btn {
    background: linear-gradient(135deg, #00d95f 0%, #00b84d 100%);
    box-shadow: 0 2px 8px rgba(0, 217, 95, 0.4);
}

[data-theme="dark"] .send-btn:active {
    background: #00b84d;
}

[data-theme="dark"] .send-btn:disabled {
    background: #3a4752;
    box-shadow: none;
}

/* Dark Mode Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    color: white;
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

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

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Dark mode transition suave */
body,
.header,
.chat,
.message-content,
.input-area,
.quick-replies,
.input-field,
.quick-reply,
.typing,
.flavor-selector,
.flavor-card,
.date-picker,
.date-input {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ==================== MICROINTERAÇÕES ==================== */

/* Efeito de envio - mensagem do usuário */
.message.user.sending .message-content {
    animation: sendMessage 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes sendMessage {
    0% {
        opacity: 0;
        transform: translateX(20px) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* Animação de check melhorada nos sabores */
.flavor-option.selected .check-icon {
    animation: checkPop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes checkPop {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animação de seleção no flavor card */
.flavor-option.selecting .flavor-card {
    animation: cardSelect 0.3s ease;
}

@keyframes cardSelect {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.97);
    }
    100% {
        transform: scale(1);
    }
}

/* Pulse animation para botão de confirmar */
.flavor-confirm-btn.active {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(0, 184, 132, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(0, 184, 132, 0.5);
    }
}

/* Animação de sucesso */
.success-animation {
    animation: successBounce 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes successBounce {
    0% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Confetti container */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* Shake animation para erros */
.shake {
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% {
        transform: translateX(-2px);
    }
    20%, 80% {
        transform: translateX(4px);
    }
    30%, 50%, 70% {
        transform: translateX(-6px);
    }
    40%, 60% {
        transform: translateX(6px);
    }
}

/* Glow effect para inputs focados */
.input-field:focus {
    animation: inputGlow 0.3s ease;
}

@keyframes inputGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    100% {
        box-shadow: 0 0 0 2px var(--whatsapp-green);
    }
}

/* Typing indicator melhorado */
.typing-dot {
    animation: typing 1.4s infinite ease-in-out;
}

/* Bounce effect para quick replies */
.quick-reply {
    animation: bounceIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Delay para múltiplos quick replies */
.quick-reply:nth-child(1) { animation-delay: 0s; }
.quick-reply:nth-child(2) { animation-delay: 0.1s; }
.quick-reply:nth-child(3) { animation-delay: 0.2s; }

/* ==================== SKELETON DARK MODE ==================== */

[data-theme="dark"] .skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.12) 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
}

[data-theme="dark"] .skeleton-message .skeleton-content {
    background: #253341;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

[data-theme="dark"] .skeleton-flavor,
[data-theme="dark"] .skeleton-date {
    background: linear-gradient(135deg, #1c2732 0%, #253341 100%);
    border: 1px solid #404952;
}

[data-theme="dark"] .skeleton-flavor-option {
    background: #2d3843;
    border: 1px solid #4a5562;
}

/* ==================== BOTÃO WHATSAPP GERENTE ==================== */

.whatsapp-manager-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border: none;
    border-radius: 30px;
    padding: 16px 28px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    text-decoration: none;
    margin: 15px 0;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    width: 100%;
    max-width: 400px;
}

.whatsapp-manager-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-manager-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-manager-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    flex-shrink: 0;
}

.whatsapp-manager-btn span {
    flex: 1;
    text-align: center;
}

/* Animação para o botão */
.whatsapp-manager-btn {
    animation: pulseWhatsApp 2s infinite;
}

@keyframes pulseWhatsApp {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.5);
    }
}

/* Container do botão WhatsApp */
.whatsapp-btn-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #f0fff4 0%, #e8f5e8 100%);
    border-radius: 20px;
    margin: 20px 0;
    border: 2px solid #25D366;
}

.whatsapp-btn-container p {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 15px;
}

/* Dark mode para botão WhatsApp */
[data-theme="dark"] .whatsapp-btn-container {
    background: linear-gradient(135deg, #1a4d3f 0%, #0d3329 100%);
    border-color: #00d95f;
}

[data-theme="dark"] .whatsapp-btn-container p {
    color: #f0f2f5;
}

[data-theme="dark"] .whatsapp-manager-btn {
    background: linear-gradient(135deg, #00d95f 0%, #00b84d 100%);
    box-shadow: 0 4px 15px rgba(0, 217, 95, 0.4);
}

[data-theme="dark"] .whatsapp-manager-btn:hover {
    box-shadow: 0 6px 20px rgba(0, 217, 95, 0.5);
}

[data-theme="dark"] .whatsapp-manager-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(0, 217, 95, 0.4);
}

@keyframes pulseWhatsApp {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.5);
    }
}

[data-theme="dark"] .whatsapp-manager-btn {
    animation: pulseWhatsAppDark 2s infinite;
}

@keyframes pulseWhatsAppDark {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(0, 217, 95, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(0, 217, 95, 0.6);
    }
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    .theme-toggle {
        width: 32px;
        height: 32px;
    }
    
    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
    
    .whatsapp-manager-btn {
        padding: 14px 24px;
        font-size: 15px;
        width: 100%;
        max-width: 100%;
    }
    
    .whatsapp-manager-btn svg {
        width: 22px;
        height: 22px;
    }
    
    .whatsapp-btn-container {
        padding: 15px;
        margin: 15px 0;
    }
    
    .whatsapp-btn-container p {
        font-size: 14px;
    }
}

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

@media (prefers-reduced-motion: reduce) {
    .skeleton,
    .message.user.sending .message-content,
    .flavor-option.selected .check-icon,
    .flavor-option.selecting .flavor-card,
    .quick-reply,
    .success-animation,
    .shake {
        animation: none !important;
    }
}

/* ==================== PERFORMANCE ==================== */

.message.user.sending .message-content,
.flavor-option.selected .check-icon,
.flavor-option.selecting .flavor-card,
.quick-reply {
    will-change: transform, opacity;
}