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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Container principal */
.login-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

/* Card de login */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header do login */
.login-header {
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

/* Logo styles */
.login-logo {
    max-height: 100px;
    width: auto;
    margin: 0 auto;
    display: block;
}

.login-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1rem;
    color: #666;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* Conteúdo do login */
.login-content {
    margin-bottom: 30px;
}

.welcome-message {
    margin-bottom: 30px;
}

.welcome-message h2 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.welcome-message p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Botão do Google */
.google-login-button {
    width: 100%;
    padding: 16px 24px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1rem;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.google-login-button:hover {
    background: #f8f9fa;
    border-color: #4285f4;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.2);
}

.google-login-button:active {
    transform: translateY(0);
}

.google-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mensagens de erro e loading */
.error-message, .loading-message {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
}

.error-message {
    background: #fee;
    color: #c53030;
    border: 1px solid #fed7d7;
}

.loading-message {
    background: #e6f3ff;
    color: #2b6cb0;
    border: 1px solid #bee3f8;
}

/* Spinner */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #bee3f8;
    border-top: 2px solid #2b6cb0;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer */
.login-footer {
    color: #666;
    font-size: 0.85rem;
}

/* Animação de fundo */
.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none; /* Permitir cliques através do elemento */
}

.floating-shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 10%;
    right: 30%;
    animation-delay: 1s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    top: 40%;
    left: 5%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.8;
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .login-container {
        padding: 15px;
    }
    
    .login-card {
        padding: 30px 25px;
    }
    
    .login-header h1 {
        font-size: 2rem;
    }
    
    .logo {
        width: 70px;
        height: 70px;
    }
    
    .logo i {
        font-size: 30px;
    }
    
    .welcome-message h2 {
        font-size: 1.3rem;
    }
    
    .google-login-button {
        padding: 14px 20px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 25px 20px;
    }
    
    .login-header h1 {
        font-size: 1.8rem;
    }
    
    .tagline {
        font-size: 0.9rem;
    }
    
    .welcome-message h2 {
        font-size: 1.2rem;
    }
    
    .welcome-message p {
        font-size: 0.9rem;
    }
}

/* Estados de hover para dispositivos touch */
@media (hover: none) {
    .google-login-button:hover {
        transform: none;
        background: white;
        border-color: #e0e0e0;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
}