.cav916-app,
.cav916-app * {
    box-sizing: border-box;
}

.cav916-app {
    --cav916-primary: #166534;
    --cav916-primary-dark: color-mix(in srgb, var(--cav916-primary) 78%, #000);
    --cav916-border: #dfe5e2;
    --cav916-text: #17201c;
    --cav916-muted: #66736d;
    --cav916-bg: #f4f8f5;
    width: 100%;
    max-width: 1040px;
    margin: 24px auto;
    color: var(--cav916-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.cav916-header {
    text-align: center;
    margin-bottom: 22px;
}

.cav916-header h2 {
    margin: 10px 0 8px;
    font-size: clamp(27px, 4vw, 43px);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.cav916-header > p {
    max-width: 720px;
    margin: 0 auto;
    color: var(--cav916-muted);
    font-size: 16px;
}

.cav916-badge {
    display: inline-flex;
    align-items: center;
    padding: 7px 11px;
    border-radius: 999px;
    color: #fff;
    background: var(--cav916-primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .11em;
}

.cav916-privacy {
    display: inline-flex;
    margin-top: 13px;
    padding: 8px 12px;
    border-radius: 9px;
    background: #eaf7ee;
    color: #215c34;
    font-size: 13px;
    font-weight: 700;
}

.cav916-panel,
.cav916-results {
    border: 1px solid var(--cav916-border);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 18px 55px rgba(25, 50, 37, .08);
}

.cav916-panel {
    padding: clamp(18px, 4vw, 34px);
}

.cav916-dropzone {
    display: flex;
    min-height: 220px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 7px;
    padding: 30px 20px;
    border: 2px dashed #a9b9b0;
    border-radius: 17px;
    background: var(--cav916-bg);
    cursor: pointer;
    text-align: center;
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.cav916-dropzone:hover,
.cav916-dropzone.is-dragging {
    border-color: var(--cav916-primary);
    background: #eef8f1;
    transform: translateY(-1px);
}

.cav916-dropzone input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.cav916-drop-icon {
    font-size: 44px;
    line-height: 1;
}

.cav916-dropzone strong {
    font-size: 19px;
}

.cav916-dropzone small,
.cav916-save-option small {
    color: var(--cav916-muted);
}

.cav916-file-info {
    margin-top: 14px;
    padding: 13px 15px;
    border-radius: 12px;
    background: #f5f7f6;
    font-size: 14px;
    overflow-wrap: anywhere;
}

.cav916-preview-area {
    margin-top: 20px;
}

.cav916-source-preview {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    border-radius: 16px;
    background: #050605;
    aspect-ratio: 16 / 9;
}

.cav916-preview-video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cav916-crop-overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 31.64%;
    transform: translateX(-50%);
    border: 3px solid #fff;
    background: rgba(255, 255, 255, .08);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, .53);
    pointer-events: none;
    transition: left .15s ease;
}

.cav916-preview-help {
    margin: 8px 0 0;
    color: var(--cav916-muted);
    text-align: center;
    font-size: 13px;
}

.cav916-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}

.cav916-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cav916-field label {
    font-size: 14px;
    font-weight: 750;
}

.cav916-field input[type="number"],
.cav916-field select {
    min-height: 46px;
    width: 100%;
    border: 1px solid #cbd5cf;
    border-radius: 10px;
    padding: 9px 12px;
    background: #fff;
    color: var(--cav916-text);
    font: inherit;
}

.cav916-inline-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cav916-inline-control input {
    max-width: 120px;
}

.cav916-focus-field {
    grid-column: 1 / -1;
}

.cav916-focus {
    width: 100%;
    accent-color: var(--cav916-primary);
}

.cav916-range-labels {
    display: flex;
    justify-content: space-between;
    color: var(--cav916-muted);
    font-size: 11px;
}

.cav916-save-option {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    margin-top: 20px;
    padding: 14px;
    border: 1px solid var(--cav916-border);
    border-radius: 13px;
    background: #fbfcfb;
    cursor: pointer;
}

.cav916-save-option input {
    width: 19px;
    height: 19px;
    margin-top: 2px;
    accent-color: var(--cav916-primary);
}

.cav916-save-option span {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cav916-summary {
    margin-top: 16px;
    padding: 12px 14px;
    border-left: 4px solid var(--cav916-primary);
    border-radius: 8px;
    background: #f1f8f3;
    font-size: 14px;
}

.cav916-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.cav916-actions button,
.cav916-download-all,
.cav916-result-download {
    appearance: none;
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 11px;
    padding: 11px 18px;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: transform .15s ease, opacity .15s ease, box-shadow .15s ease;
}

.cav916-start,
.cav916-download-all,
.cav916-result-download {
    background: var(--cav916-primary);
    color: #fff !important;
    box-shadow: 0 8px 22px color-mix(in srgb, var(--cav916-primary) 28%, transparent);
}

.cav916-actions button:hover,
.cav916-download-all:hover,
.cav916-result-download:hover {
    transform: translateY(-1px);
}

.cav916-actions button:disabled {
    cursor: not-allowed;
    opacity: .45;
    transform: none;
}

.cav916-cancel {
    background: #9f1f1f;
    color: #fff;
}

.cav916-clear {
    background: #e9eeeb;
    color: #24322b;
}

.cav916-status {
    margin-top: 20px;
    padding: 16px;
    border-radius: 14px;
    background: #f4f7f5;
}

.cav916-status-top {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 9px;
}

.cav916-progress-track {
    overflow: hidden;
    height: 12px;
    border-radius: 999px;
    background: #dfe7e2;
}

.cav916-progress-bar {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--cav916-primary);
    transition: width .15s linear;
}

.cav916-status-detail {
    display: block;
    margin-top: 8px;
    color: var(--cav916-muted);
}

.cav916-message {
    margin-top: 15px;
    padding: 13px 15px;
    border-radius: 11px;
    background: #fff0f0;
    color: #8d1f1f;
    font-weight: 650;
}

.cav916-message.is-success {
    background: #eaf8ee;
    color: #205d33;
}

.cav916-results {
    margin-top: 22px;
    padding: clamp(18px, 4vw, 30px);
}

.cav916-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.cav916-results-header h3 {
    margin: 0 0 3px;
    font-size: 25px;
}

.cav916-results-header p {
    margin: 0;
    color: var(--cav916-muted);
}

.cav916-results-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.cav916-result-card {
    overflow: hidden;
    border: 1px solid var(--cav916-border);
    border-radius: 15px;
    background: #fbfcfb;
}

.cav916-result-card video {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    background: #050505;
    object-fit: contain;
}

.cav916-result-body {
    padding: 13px;
}

.cav916-result-body strong {
    display: block;
    overflow-wrap: anywhere;
    font-size: 14px;
}

.cav916-result-meta {
    margin: 4px 0 11px;
    color: var(--cav916-muted);
    font-size: 12px;
}

.cav916-result-download {
    width: 100%;
    min-height: 40px;
    padding: 9px 12px;
    font-size: 13px;
}

.cav916-result-saved {
    display: flex;
    min-height: 190px;
    align-items: center;
    justify-content: center;
    padding: 22px;
    background: #eef8f1;
    color: #205d33;
    text-align: center;
    font-size: 44px;
}

[hidden] {
    display: none !important;
}

@media (max-width: 760px) {
    .cav916-options,
    .cav916-results-list {
        grid-template-columns: 1fr;
    }

    .cav916-results-header {
        align-items: stretch;
        flex-direction: column;
    }

    .cav916-download-all {
        width: 100%;
    }

    .cav916-dropzone {
        min-height: 185px;
    }
}