/* Variáveis de tema */
:root {
    /* Tema Claro (padrão) */
    --bg-primary: #f0f9ff;
    --bg-secondary: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-primary: #06b6d4;
    --accent-secondary: #0891b2;
    --border-color: #e2e8f0;
    --message-bg: #ffffff;
    --shadow-color: rgba(6, 182, 212, 0.1);
    --input-bg: #ffffff;
    --icon-color: #64748b;
}

/* Tema Escuro */
[data-theme="dark"] {
    --bg-primary: #0b1e2e;
    --bg-secondary: #152a3a;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --accent-primary: #22d3ee;
    --accent-secondary: #06b6d4;
    --border-color: #2d4a62;
    --message-bg: #1e3a4a;
    --shadow-color: rgba(34, 211, 238, 0.15);
    --input-bg: #1e3a4a;
    --icon-color: #94a3b8;
}

/* Animações suaves para transição de tema */
* {
    transition: background-color 0.3s ease, color 0.2s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Estilos do chat */
.chat-container {
    height: calc(100vh - 120px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-secondary);
}

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

.chat-container::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.chat-container::-webkit-scrollbar-thumb {
    background-color: var(--accent-primary);
    border-radius: 3px;
}

/* Mensagens */
.message-item {
    background: var(--message-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.message-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--shadow-color);
}

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

#messagesContainer > div {
    animation: slideIn 0.3s ease-out;
}

/* Input e botões */
.input-area {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.message-input {
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.message-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
    outline: none;
}

.send-button {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    transition: all 0.3s ease;
}

.send-button:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 12px var(--shadow-color);
}

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

/* Avatar e nomes */
.avatar-circle {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

/* Ícone de info */
.info-icon {
    color: var(--icon-color);
    transition: all 0.3s ease;
}

.info-icon:hover {
    color: var(--accent-primary);
    transform: scale(1.1) rotate(5deg);
}

/* Botão de tema */
.theme-toggle {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 50;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.theme-toggle:hover {
    transform: rotate(180deg);
    background: var(--accent-primary);
    color: white;
}

/* Cards e containers */
.glass-card {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px var(--shadow-color);
}

/* Links e destaques */
.instagram-link {
    color: var(--accent-primary);
    transition: color 0.2s ease;
}

.instagram-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.instagram-icon {
    color: #e4405f !important; /* Mantém a cor original do Instagram */
}

/* Ajustes para mobile */
@media (max-width: 640px) {
    .chat-container {
        height: calc(100vh - 160px);
    }
    
    .message-input {
        max-height: 100px;
    }
    
    .theme-toggle {
        top: 0.75rem;
        left: 0.75rem;
        width: 36px;
        height: 36px;
    }
}

/* Classes extras para o cadastro */
.bg-aqua-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.text-aqua-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.border-aqua-gradient {
    border-color: var(--accent-primary);
}

.hover\:text-aqua-gradient:hover {
    color: var(--accent-primary);
}

.border-border-color {
    border-color: var(--border-color);
}

.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

/* Melhorias nos checkboxes */
input[type="checkbox"] {
    accent-color: var(--accent-primary);
}

/* Loading spinner animation */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.fa-spin-pulse {
    animation: spin 1.5s linear infinite;
}

/* Animações de hover para cards */
.register-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.register-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 50px var(--shadow-color);
}

/* Animação para novas mensagens */
.message-item {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll suave */
#messagesContainer {
    scroll-behavior: smooth;
}