:root {
    --altivo-primary: #6658ea;
    --altivo-primary-hover: #5546e8;
    --altivo-bg: #f8fafc;
    --altivo-card-bg: #ffffff;
    --altivo-text: #0f172a;
    --altivo-text-muted: #64748b;
    --altivo-border: #e2e8f0;
    --altivo-radius: 16px;
    --altivo-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.altivo-container {
    width: 100%;
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
}

.altivo-card {
    background: var(--altivo-card-bg);
    border-radius: var(--altivo-radius);
    padding: 40px;
    border: 1px solid var(--altivo-border);
}

/* Settings */
.altivo-settings {
    display: grid;
    grid-template-columns: 4fr 6fr;
    gap: 24px;
    margin-bottom: 32px;
}

.altivo-setting-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.altivo-setting-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--altivo-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.altivo-selector {
    display: flex;
    background: var(--altivo-bg);
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--altivo-border);
}

.altivo-option {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--altivo-transition);
    display: flex;
    flex-direction: column;
}

.altivo-option.altivo-active {
    background: var(--altivo-card-bg);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
    color: var(--altivo-primary);
}

.altivo-option-title {
    font-weight: 700;
    font-size: 0.95rem;
}

.altivo-option-desc {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Upload Zone */
.altivo-drop-zone {
    border: 2px dashed var(--altivo-border);
    border-radius: var(--altivo-radius);
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--altivo-transition);
    background: var(--altivo-bg);
    margin-bottom: 24px;
}

.altivo-drop-zone:hover {
    border-color: var(--altivo-primary);
    background: var(--altivo-card-bg);
}

.altivo-upload-icon-wrapper {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    color: var(--altivo-primary);
    opacity: 0.8;
}

.altivo-upload-icon {
    width: 100%;
    height: 100%;
}

.altivo-drop-content p {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.altivo-drop-content span {
    font-size: 0.9rem;
    color: var(--altivo-text-muted);
}

/* Preview */
.altivo-preview-container {
    margin-bottom: 24px;
    animation: altivo-fadeIn 0.4s ease-out;
}

.altivo-preview-card {
    background: var(--altivo-bg);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--altivo-border);
}

.altivo-preview-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--altivo-text-muted);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.altivo-image-container {
    width: 100%;
    max-height: 400px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    background: var(--altivo-card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.altivo-image-container img {
    max-width: 100%;
    max-height: 400px;
    display: block;
    object-fit: contain;
}

/* Loader Overlay */
.altivo-loader-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 10;
    backdrop-filter: blur(4px);
}

.altivo-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--altivo-border);
    border-top-color: var(--altivo-primary);
    border-radius: 50%;
    animation: altivo-spin 1s linear infinite;
}

@keyframes altivo-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes altivo-fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Result Box */
.altivo-result-container {
    margin-top: 32px;
    animation: altivo-slideUp 0.4s ease-out;
}

@keyframes altivo-slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.altivo-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.altivo-result-actions {
    display: flex;
    gap: 8px;
}

.altivo-result-box {
    position: relative;
}

#altivo-output-text {
    width: 100%;
    height: 120px;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid var(--altivo-border);
    background: var(--altivo-bg);
    font-family: inherit;
    font-size: 1rem;
    resize: none;
    outline: none;
    color: var(--altivo-text);
    transition: var(--altivo-transition);
}

#altivo-output-text:focus {
    border-color: var(--altivo-primary);
    background: var(--altivo-card-bg);
}

#altivo-output-text:disabled {
    background: var(--altivo-bg);
    opacity: 0.7;
    cursor: not-allowed;
}

.altivo-btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--altivo-primary);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--altivo-transition);
}

.altivo-btn-sm:hover {
    background: var(--altivo-primary-hover);
    transform: translateY(-1px);
}

.altivo-btn-sm:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.altivo-btn-sm.altivo-btn-secondary {
    background: var(--altivo-bg);
    color: var(--altivo-text);
    border: 1px solid var(--altivo-border);
}

.altivo-btn-sm.altivo-btn-secondary:hover {
    background: var(--altivo-card-bg);
    border-color: var(--altivo-text);
}

.altivo-btn-icon {
    width: 16px;
    height: 16px;
}

/* Status & Progress */
.altivo-status-container {
    margin-top: 32px;
    text-align: center;
}

.altivo-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--altivo-border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 12px;
}

.altivo-progress-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--altivo-primary), var(--altivo-primary-hover));
    width: 0%;
    transition: width 0.3s ease;
}

#altivo-status-text {
    font-size: 0.9rem;
    color: var(--altivo-text-muted);
}

.altivo-hidden {
    display: none !important;
}

@media (max-width: 640px) {
    .altivo-settings {
        grid-template-columns: 1fr;
    }

    .altivo-selector {
        flex-direction: column;
        gap: 4px;
    }

    .altivo-option {
        text-align: left;
        padding: 12px;
    }

    .altivo-result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .altivo-result-actions {
        width: 100%;
        flex-direction: column;
    }

    .altivo-btn-sm {
        width: 100%;
        justify-content: center;
    }

    .altivo-card {
        padding: 20px;
    }
}