/* Konwerter PDF — layout (no colors) */

.kpdf {
    max-width: 680px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Operation picker (main variation only) */
.kpdf-op-picker {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.kpdf-label {
    font-weight: 600;
    font-size: 0.95rem;
}

.kpdf-select {
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
    border-radius: 6px;
    border: 1px solid;
    width: 100%;
    cursor: pointer;
}

/* Main grid of operation cards */
.kpdf-main-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.kpdf-main-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    transition: transform 0.15s, box-shadow 0.15s;
    border: 1px solid;
}

.kpdf-main-card:hover {
    transform: translateY(-2px);
}

/* Dropzone */
.kpdf-dropzone {
    border: 2px dashed;
    border-radius: 10px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: background 0.2s, border-color 0.2s;
    cursor: pointer;
}

.kpdf-dropzone.kpdf-dragover {
    border-style: solid;
}

.kpdf-icon-upload {
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.kpdf-drop-text {
    margin: 0 0 0.25rem;
    font-size: 1rem;
}

.kpdf-drop-hint {
    margin: 0;
    font-size: 0.8rem;
    opacity: 0.6;
}

.kpdf-pick-btn {
    background: none;
    border: none;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    font-size: inherit;
}

/* File list */
.kpdf-file-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.kpdf-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.kpdf-file-size {
    opacity: 0.6;
    font-size: 0.8rem;
}

/* Options */
.kpdf-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.kpdf-opt {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.kpdf-opt span:first-child {
    min-width: 140px;
    font-weight: 500;
}

.kpdf-opt select,
.kpdf-opt input[type="text"] {
    padding: 0.4rem 0.5rem;
    border: 1px solid;
    border-radius: 4px;
    font-size: 0.9rem;
}

.kpdf-opt input[type="range"] {
    flex: 1;
    min-width: 120px;
}

.kpdf-opt fieldset {
    border: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.kpdf-opt fieldset legend {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.kpdf-opt fieldset label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

/* Actions */
.kpdf-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.kpdf-go,
.kpdf-reset {
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}

.kpdf-go:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Progress */
.kpdf-progress-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.kpdf-progress {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    appearance: none;
    -webkit-appearance: none;
}

.kpdf-progress-label {
    font-size: 0.85rem;
    min-width: 3em;
    text-align: right;
}

/* Result */
.kpdf-result-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.kpdf-download-btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: opacity 0.15s;
}

.kpdf-result-size {
    opacity: 0.6;
    font-size: 0.85rem;
}

.kpdf-result-text {
    width: 100%;
    max-height: 300px;
    overflow: auto;
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Error */
.kpdf-error {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
}