:root {
    --bg-dark: #1E1E1E;
    --bg-card: rgba(30, 30, 30, 0.6);
    --border-color: rgba(255, 255, 255, 0.1);
    --primary-color: #FA6801;
    --primary-gradient: linear-gradient(135deg, #FA6801 0%, #FC9E01 100%);
    --secondary-color: #34A9AD;
    --text-primary: #FFFFFF;
    --text-secondary: #a0a5b1;
    --transition-speed: 0.3s;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url('LARANJA.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.app-container {
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.header {
    text-align: center;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

.header h1 span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header p {
    color: #000000;
    font-size: 0.9rem;
    font-weight: 500;
}

.card-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.card-panel.active-section {
    display: block;
}

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

.upload-box {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 3rem 1.5rem;
    text-align: center;
    transition: all var(--transition-speed);
    cursor: pointer;
}

.upload-box:hover, .upload-box.dragover {
    border-color: var(--primary-color);
    background: rgba(250, 104, 1, 0.05);
}

.upload-icon {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.upload-box h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.upload-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.btn {
    border: none;
    outline: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:active {
    transform: scale(0.96);
}

.btn-primary {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.btn-primary.gradient {
    background: var(--primary-gradient);
    box-shadow: 0 4px 15px rgba(250, 104, 1, 0.3);
}

.btn-primary.gradient:hover {
    box-shadow: 0 6px 20px rgba(250, 104, 1, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.layout-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    padding: 0.3rem;
    margin-bottom: 1.5rem;
}

.btn-toggle {
    flex: 1;
    padding: 0.6rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-toggle.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.preview-container {
    width: 100%;
    /* O aspect-ratio agora será inserido via Javascript para bater 100% com a imagem real */
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    touch-action: none;
}

.preview-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    /* Desabilitar seleções */
    user-select: none; 
    -webkit-user-select: none;
}

#user-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    transform-origin: center center;
    cursor: grab;
    /* Ajustes para drag e renderização */
    will-change: transform;
    max-width: none;
}

#user-image:active {
    cursor: grabbing;
}

#overlay-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none; /* Crucial para o drag do user-image funcionar através dele */
    z-index: 10;
}

.controls-panel {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.control-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

/* Estilização do Slider */
input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    margin-top: -6px;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}
input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: var(--border-color);
    border-radius: 2px;
}
input[type=range]:focus {
    outline: none;
}

.hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.action-buttons .btn {
    width: 100%;
}

.hidden {
    display: none !important;
}

footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

@media (max-width: 400px) {
    .app-container {
        padding: 1rem;
    }
    .card-panel {
        padding: 1.5rem;
    }
}