@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #007ced;
    --primary-dark: #0066cc;
    --primary-light: #4da8ff;
    --secondary: #a0a0a0;
    --dark: #121212;
    --dark-light: #1e1e1e;
    --dark-lighter: #2d2d2d;
    --text: #e0e0e0;
    --text-muted: #b0b0b0;
    --border: #404040;
    --success: #28a745;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #0a0f2d 0%, #121212 50%, #1a1a2e 100%);
    padding: 20px;
    color: var(--text);
    line-height: 1.6;
}

.container {
    background-color: var(--dark-light);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 600px;
    text-align: center;
    transition: var(--transition);
    margin-bottom: 30px;
    border: 1px solid var(--border);
}

.container:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    transform: translateY(-5px);
}

.header {
    margin-bottom: 30px;
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--primary-light));
    border-radius: 2px;
}

.container h1 {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 20px;
}

.error-message {
    color: #ff6b6b;
    font-size: 0.9rem;
    margin-bottom: 20px;
    padding: 10px;
    background-color: rgba(255, 107, 107, 0.1);
    border-radius: var(--border-radius);
    display: none;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.form-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 20px;
}

.form-group input[type="text"],
.form-group select {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--border);
    width: calc(50% - 10px);
    outline: none;
    transition: var(--transition);
    background-color: var(--dark-lighter);
    color: var(--text);
    font-family: 'Poppins', sans-serif;
}

.form-group input[type="text"]::placeholder {
    color: var(--text-muted);
}

.form-group input[type="text"]:focus,
.form-group select:focus {
    border-color: var(--primary);
    background-color: var(--dark);
    box-shadow: 0 0 0 3px rgba(0, 124, 237, 0.2);
}

.color-picker-wrapper {
    position: relative;
    width: calc(50% - 10px);
}

.color-picker {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--border);
    outline: none;
    transition: var(--transition);
    background-color: var(--dark-lighter);
    color: var(--text);
    font-family: 'Poppins', sans-serif;
}

.color-picker::placeholder {
    color: var(--text-muted);
}

.color-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.color-icon:hover {
    color: var(--primary-light);
}

.color-picker-wrapper input[type="color"] {
    display: none;
}

.input-text {
    width: 100% !important;
    margin-top: 10px;
}

/* Botões alinhados lado a lado com espaçamento */
.button-group {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
    gap: 15px;
}

.button-group button {
    padding: 16px 24px;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: 'Poppins', sans-serif;
}

.button-group button:first-child {
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
}

.button-group button:last-child {
    background: linear-gradient(to right, #6c757d, #5a6268);
}

.button-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 15px rgba(0, 0, 0, 0.3);
}

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

#qrcode {
    margin-top: 30px;
    text-align: center;
    padding: 20px;
    border-radius: var(--border-radius);
    background-color: var(--dark-lighter);
    transition: var(--transition);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border: 1px solid var(--border);
}

.qr-placeholder {
    color: var(--text-muted);
    font-size: 1rem;
}

.qr-title {
    font-size: 1.2rem;
    margin-top: 15px;
    color: var(--primary);
    font-weight: 500;
}

footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
}

.visitor-counter {
    display: inline-block;
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
}

/* Estilização dos selects para modo escuro */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23007ced' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
    }
    
    .form-group input[type="text"],
    .form-group select,
    .color-picker-wrapper {
        width: 100%;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .container h1 {
        font-size: 1.8rem;
    }
}

/* Animações */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Efeito de brilho nos elementos interativos */
.form-group input[type="text"]:focus,
.form-group select:focus,
.button-group button:hover {
    filter: brightness(1.1);
}