/* 
ESTILOS PARA O SISTEMA DE CAPTCHA
Adicione este arquivo ou inclua o conteúdo no seu style.css principal
*/

/* Container principal do CAPTCHA */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 15px 0;
    flex-wrap: wrap;
}

/* Display visual do código CAPTCHA */
.captcha-display {
    background: linear-gradient(45deg, #8B4513, #A0522D);
    border: 2px solid #654321;
    border-radius: 8px;
    padding: 15px 20px;
    font-family: 'Courier New', monospace;
    font-size: 24px;
    font-weight: bold;
    color: #FFFFFF;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    letter-spacing: 8px;
    text-align: center;
    min-width: 120px;
    transform: rotate(-2deg);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    user-select: none;
    position: relative;
    overflow: hidden;
}

/* Efeito de textura no CAPTCHA */
.captcha-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 2px,
        rgba(255,255,255,0.1) 2px,
        rgba(255,255,255,0.1) 4px
    );
    pointer-events: none;
}

/* Campo de input do CAPTCHA */
.captcha-input {
    padding: 10px;
    border: 2px solid #8B4513;
    border-radius: 5px;
    font-size: 16px;
    width: 120px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

/* Botão para atualizar CAPTCHA */
.captcha-refresh {
    background: #6b3e26;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.captcha-refresh:hover {
    background: #8B4513;
    transform: rotate(180deg);
}

/* Label do CAPTCHA */
.captcha-label {
    font-weight: bold;
    color: #6b3e26;
    margin-bottom: 5px;
    display: block;
    font-size: 14px;
}

/* Mensagens de erro do CAPTCHA */
.captcha-error {
    color: #d32f2f;
    font-size: 14px;
    margin-top: 5px;
    font-weight: bold;
    background: #ffebee;
    padding: 8px 12px;
    border-radius: 4px;
    border-left: 4px solid #d32f2f;
}

/* Estados do campo de input */
.captcha-input:focus {
    border-color: #6b3e26;
    outline: none;
    box-shadow: 0 0 0 2px rgba(107, 62, 38, 0.2);
}

.captcha-input.error {
    border-color: #d32f2f;
    background-color: #ffebee;
    box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.2);
}

.captcha-input.success {
    border-color: #4caf50;
    background-color: #e8f5e8;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* Animações */
@keyframes captcha-refresh {
    0% { 
        transform: rotate(-2deg) scale(1); 
        opacity: 1; 
    }
    50% { 
        transform: rotate(2deg) scale(1.05); 
        opacity: 0.7; 
    }
    100% { 
        transform: rotate(-2deg) scale(1); 
        opacity: 1; 
    }
}

.captcha-display.refreshing {
    animation: captcha-refresh 0.5s ease-in-out;
}

/* Estado de carregamento do botão */
.captcha-refresh.loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.captcha-refresh.loading::after {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsividade para dispositivos móveis */
@media (max-width: 768px) {
    .captcha-container {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .captcha-display {
        align-self: center;
        min-width: auto;
        width: 150px;
        font-size: 20px;
        padding: 12px 16px;
        letter-spacing: 6px;
    }
    
    .captcha-input {
        width: 100%;
        max-width: 150px;
        align-self: center;
        font-size: 18px;
        padding: 12px;
    }
    
    .captcha-refresh {
        align-self: center;
        width: auto;
        padding: 12px 20px;
    }
}

/* Para tablets */
@media (max-width: 1024px) and (min-width: 769px) {
    .captcha-display {
        font-size: 22px;
        letter-spacing: 7px;
    }
    
    .captcha-input {
        font-size: 17px;
    }
}

/* Acessibilidade - Alto contraste */
@media (prefers-contrast: high) {
    .captcha-display {
        background: #000000;
        color: #FFFFFF;
        border: 3px solid #FFFFFF;
        text-shadow: none;
    }
    
    .captcha-input {
        border: 3px solid #000000;
        background: #FFFFFF;
        color: #000000;
    }
    
    .captcha-refresh {
        background: #000000;
        color: #FFFFFF;
        border: 2px solid #FFFFFF;
    }
}

/* Tema escuro */
@media (prefers-color-scheme: dark) {
    .captcha-display {
        background: linear-gradient(45deg, #5d2f1a, #7a3f2a);
        border-color: #8B4513;
    }
    
    .captcha-input {
        background: #2d2d2d;
        color: #ffffff;
        border-color: #555555;
    }
    
    .captcha-input:focus {
        border-color: #8B4513;
        box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.3);
    }
    
    .captcha-refresh {
        background: #5d2f1a;
    }
    
    .captcha-refresh:hover {
        background: #7a3f2a;
    }
    
    .captcha-label {
        color: #d4af37;
    }
    
    .captcha-error {
        background: #4a1a1a;
        color: #ff6b6b;
        border-left-color: #ff6b6b;
    }
}

/* Variações de estilo (opcionais) */
.captcha-display.minimal {
    background: #f5f5f5;
    color: #333333;
    border: 1px solid #cccccc;
    transform: none;
    box-shadow: none;
    text-shadow: none;
}

.captcha-display.shadow-heavy {
    box-shadow: 
        0 8px 16px rgba(0,0,0,0.4),
        inset 0 2px 4px rgba(255,255,255,0.2),
        inset 0 -2px 4px rgba(0,0,0,0.3);
}

/* Estados adicionais para melhor UX */
.captcha-input:invalid {
    border-color: #ff9800;
    background-color: #fff3e0;
}

.captcha-input:valid {
    border-color: #4caf50;
}

/* Placeholder customizado */
.captcha-input::placeholder {
    color: #999;
    font-weight: normal;
    letter-spacing: 2px;
}

/* Seleção de texto desabilitada no display */
.captcha-display::selection {
    background: transparent;
}

.captcha-display::-moz-selection {
    background: transparent;
}