/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores do WhatsApp */
    --whatsapp-green: #25D366;
    --whatsapp-green-dark: #128C7E;
    --whatsapp-green-light: #DCF8C6;
    --whatsapp-teal: #075E54;
    --whatsapp-blue: #34B7F1;
    
    /* Tema escuro */
    --bg-primary: #0D1117;
    --bg-secondary: #161B22;
    --bg-tertiary: #21262D;
    --text-primary: #F0F6FC;
    --text-secondary: #8B949E;
    --text-muted: #6E7681;
    
    /* Bordas e sombras */
    --border-color: #30363D;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-medium: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    --shadow-heavy: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar e Layout */
#wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

#sidebar-wrapper {
    min-height: 100vh;
    width: 280px;
    margin-left: 0;
    transition: margin 0.25s ease-out;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
}

#sidebar-wrapper .sidebar-heading {
    padding: 1.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--whatsapp-green);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

#sidebar-wrapper .list-group {
    width: 100%;
}

#sidebar-wrapper .list-group-item {
    background-color: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 1rem 1.5rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 500;
}

#sidebar-wrapper .list-group-item i {
    width: 20px;
    text-align: center;
}

#sidebar-wrapper .list-group-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

#sidebar-wrapper .list-group-item.active {
    background-color: rgba(37, 211, 102, 0.1);
    color: var(--whatsapp-green);
    border-left: 3px solid var(--whatsapp-green);
}

#page-content-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    margin-left: 280px; /* Largura da sidebar */
    transition: margin 0.25s ease-out;
}

.navbar {
    background-color: rgba(22, 27, 34, 0.8) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.top-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1rem 1.5rem; /* Ensure consistent padding */
}

.main-content {
    flex: 1;
    padding: 2rem;
}

/* Header para não logados */
header {
    background-color: rgba(22, 27, 34, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content .logo a {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--whatsapp-green);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.5px;
}

.header-content .logo a::before {
    content: '\f232'; /* Ícone do WhatsApp */
    font-family: 'Font Awesome 5 Brands';
    font-weight: 400;
    font-size: 2rem;
}

.header-content nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.header-content nav ul li a {
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1rem;
}

/* Responsividade e Sidebar Toggle */
@media (min-width: 769px) {
    #menu-toggle {
        display: none !important; /* Esconde botão toggle no PC */
    }
}

@media (max-width: 768px) {
    #sidebar-wrapper {
        margin-left: -280px;
    }
    
    #page-content-wrapper {
        margin-left: 0;
    }
    
    #wrapper.toggled #sidebar-wrapper {
        margin-left: 0;
        box-shadow: 0 0 50px rgba(0,0,0,0.5); /* Sombra para destacar overlay */
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Overlay quando sidebar aberta no mobile */
    #wrapper.toggled::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
}

/* Estilos para Formulários (Login/Register) */
.form-container {
    max-width: 450px;
    margin: 80px auto;
    padding: 2.5rem;
    background: var(--bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

.form-container h2 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control, input[type="text"], input[type="email"], input[type="password"] {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus, input:focus {
    border-color: var(--whatsapp-green);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.btn-primary {
    background-color: var(--whatsapp-green);
    border-color: var(--whatsapp-green);
    color: white;
    font-weight: 600;
    padding: 0.8rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--whatsapp-green-dark);
    border-color: var(--whatsapp-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* Botão de Login Customizado */
.btn-login-custom {
    background-color: #ffffff;
    color: #000000;
    border: 1px solid #ffffff;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-login-custom:hover {
    background-color: #001f3f !important; /* Azul Marinho */
    color: #ffffff !important;
    border-color: #001f3f;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 31, 63, 0.4);
}

/* Landing Page Styles */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: radial-gradient(circle at center, rgba(37, 211, 102, 0.05) 0%, transparent 70%);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--whatsapp-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero .btn {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    border-radius: 50px;
    font-weight: bold;
    background: var(--whatsapp-green);
    color: white;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
}

.hero .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.6);
    background: var(--whatsapp-green-dark);
}

.features {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.features h2, .pricing h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature {
    background: var(--bg-tertiary);
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.feature:hover {
    transform: translateY(-5px);
    border-color: var(--whatsapp-green);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.pricing {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: var(--bg-secondary);
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.pricing-card.featured {
    border-color: var(--whatsapp-green);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.15);
    background: linear-gradient(180deg, rgba(37, 211, 102, 0.05) 0%, var(--bg-secondary) 100%);
}

.pricing-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--whatsapp-green);
    margin-bottom: 0.5rem;
}

.pricing-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.pricing-card .btn {
    width: 100%;
    padding: 0.8rem;
    border-radius: 50px;
    font-weight: 600;
    border: 1px solid var(--whatsapp-green);
    background: transparent;
    color: var(--whatsapp-green);
    transition: all 0.3s ease;
}

.pricing-card .btn:hover, .pricing-card.featured .btn {
    background: var(--whatsapp-green);
    color: white;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.pricing-card.featured .btn:hover {
    background: var(--whatsapp-green-dark);
}