/* TEMA BATMAN 🦇 - The Dark Knight */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial Black', Arial, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 25%, #16213e 50%, #1a1a2e 75%, #0a0a0a 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #fff;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(128, 128, 128, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.3) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

/* Layout de duas colunas */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    width: 100%;
    align-items: stretch; /* Cards com mesma altura */
}

.form-section {
    background: rgba(10, 10, 10, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 
        0 15px 35px rgba(0,0,0,0.7),
        inset 0 1px 0 rgba(255, 215, 0, 0.2);
    border: 2px solid rgba(128, 128, 128, 0.4);
    display: flex;
    flex-direction: column;
    min-height: 450px; /* Altura menor */
}

.result-section {
    background: rgba(10, 10, 10, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 
        0 15px 35px rgba(0,0,0,0.7),
        inset 0 1px 0 rgba(255, 215, 0, 0.2);
    border: 2px solid rgba(128, 128, 128, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 450px; /* Altura menor */
}

h1 {
    color: #ffd700;
    text-align: center;
    margin-bottom: 25px;
    font-size: 2.2rem;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.9), 0 0 20px rgba(255, 215, 0, 0.4);
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.form-group {
    margin-bottom: 20px;
}

/* Seletor de tipos */
.type-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.type-btn {
    flex: 1;
    padding: 12px 16px;
    background: rgba(26, 26, 46, 0.8);
    border: 2px solid #333;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.type-btn:hover, .type-btn.active {
    background: rgba(255, 215, 0, 0.2);
    border-color: #ffd700;
    color: #ffd700;
}

/* Form flex para ocupar espaço */
#qrForm {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 20px;
}

.input-group {
    flex: 1;
}

.input-section {
    display: none;
}

.input-section.active {
    display: block;
}

.generate-btn {
    background: linear-gradient(135deg, #1a1a2e 0%, #ffd700 50%, #808080 100%);
    color: #000;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    width: 100%;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 12px rgba(0,0,0,0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: auto; /* Empurra para o final */
}

/* QR Code Container */
.qr-container {
    width: 100%;
    max-width: 280px;
    margin: 0 auto 20px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-placeholder {
    background: rgba(26, 26, 46, 0.8);
    border: 2px dashed #ffd700;
    border-radius: 15px;
    padding: 40px 25px;
    text-align: center;
    color: #ffd700;
    width: 100%;
    height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-placeholder i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.7;
}

.qr-placeholder p {
    margin: 0;
    font-size: 16px;
    opacity: 0.8;
    font-weight: bold;
}

/* QR Code quando exibido */
.qr-container img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.6);
    border: 3px solid #ffd700;
}

/* Botões de ação do QR */
.qr-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
    justify-content: center;
    width: 100%;
}

.action-btn {
    flex: 1;
    min-width: 90px;
    padding: 10px 16px;
    background: rgba(26, 26, 46, 0.9);
    border: 2px solid #ffd700;
    color: #ffd700;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.action-btn:hover {
    background: rgba(255, 215, 0, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

/* Informações do QR */
.qr-info {
    margin-top: 15px;
    padding: 15px;
    background: rgba(26, 26, 46, 0.6);
    border-radius: 8px;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.qr-info h3 {
    color: #ffd700;
    margin-bottom: 8px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.qr-info p {
    color: #fff;
    margin: 0;
    word-break: break-all;
    font-size: 12px;
    opacity: 0.9;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #ffd700;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
}

input[type="text"], input[type="url"], input[type="tel"], textarea, select {
    width: 100%;
    padding: 12px;
    border: 2px solid #333;
    border-radius: 8px;
    font-size: 16px;
    background: rgba(20, 20, 30, 0.9);
    color: #fff;
    transition: all 0.3s ease;
    font-family: Arial, sans-serif;
}

input[type="text"]:focus, input[type="url"]:focus, input[type="tel"]:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #ffd700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
    background: rgba(26, 26, 46, 0.9);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

button {
    background: linear-gradient(135deg, #1a1a2e 0%, #ffd700 50%, #808080 100%);
    color: #000;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    width: 100%;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 12px rgba(0,0,0,0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 20px rgba(0,0,0,0.5),
        0 0 25px rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, #ffd700 0%, #1a1a2e 50%, #808080 100%);
    color: #fff;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 20px rgba(0,0,0,0.5),
        0 0 25px rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, #ffd700 0%, #1a1a2e 50%, #808080 100%);
    color: #fff;
}

#qrResult {
    margin-top: 30px;
    text-align: center;
}

#qrResult img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.6);
    border: 3px solid #ffd700;
}

footer {
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(26, 26, 46, 0.9) 100%);
    color: #ffd700;
    text-align: center;
    padding: 20px;
    margin-top: auto;
    border-top: 2px solid rgba(128, 128, 128, 0.3);
}

footer p {
    margin: 0;
    font-size: 14px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

footer i {
    color: #ffd700;
    margin-left: 5px;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

@media (max-width: 968px) {
    .container {
        padding: 15px;
    }
    
    /* Layout em coluna única no tablet */
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-section, .result-section {
        min-height: 350px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }
    
    /* Layout em coluna única no mobile */
    .main-content {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-section, .result-section {
        padding: 20px;
        min-height: 300px;
    }
    
    .type-selector {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 20px;
    }
    
    .type-btn {
        justify-content: flex-start;
        padding: 12px 16px;
    }
    
    .generate-btn {
        padding: 14px 24px;
        font-size: 14px;
    }
    
    .qr-placeholder {
        height: 180px;
        padding: 30px 20px;
    }
    
    .qr-placeholder i {
        font-size: 36px;
    }
    
    .action-btn {
        min-width: 80px;
        padding: 8px 12px;
        font-size: 11px;
    }
}