/* =============================
   Encoder Tool Specific Styles
   ============================= */
body[data-page="encoder"] .container {
    padding-bottom: var(--space-10);
}

.hero-meta {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.meta-item {
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(0, 0, 0, .1);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

[data-theme="light"] .meta-item {
    border-color: var(--color-border);
    background: rgba(255, 255, 255, .75);
}

.meta-item .label {
    font-size: var(--font-xs);
    text-transform: uppercase;
    letter-spacing: .2em;
    color: var(--color-text-soft);
}

.meta-item .value {
    font-size: var(--font-sm);
    color: var(--color-text);
}

/* 히어로 레이아웃/외형은 공통 styles.css의 .hero 규칙을 사용 */

.encoder-workspace {
    margin: var(--space-4) 0 var(--space-4);
}

.encoder-sticky {
    position: sticky;
    top: 88px;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(20, 27, 39, 0.9);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(14px);
    margin-bottom: var(--space-4);
}

[data-theme="light"] .encoder-sticky {
    background: rgba(255, 255, 255, 0.95);
}

@media (max-width: 720px) {
    .encoder-sticky {
        top: 72px;
    }
}

.encoder-sticky-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.encoder-title {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
}

.encoder-title-text {
    font-size: var(--font-md);
}

.encoder-status {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: var(--color-surface-alt);
    font-size: var(--font-xs);
    color: var(--color-text-soft);
}

.encoder-subtitle {
    margin: 0;
    font-size: var(--font-xs);
    color: var(--color-text-soft);
}

.encoder-sticky-actions {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.encoder-workspace .workspace-grid {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
        "controls output"
        "input output";
    align-items: start;
    margin-bottom: var(--space-3);
}

.encoder-controls {
    grid-area: controls;
}

.encoder-input {
    grid-area: input;
}

.encoder-output {
    grid-area: output;
}

@media (max-width: 860px) {
    .encoder-workspace .workspace-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "controls"
            "input"
            "output";
    }
}

.workspace-item {
    height: 100%;
}

.encoder-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin: var(--space-4) 0 var(--space-3);
}

.highlight-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.highlight-card .material-symbols-rounded {
    font-size: 24px;
    color: var(--color-accent);
}

.highlight-title {
    margin: 0;
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--color-text);
}

.highlight-desc {
    margin: 4px 0 0;
    color: var(--color-text-soft);
    font-size: var(--font-sm);
}

.badge.subtle {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    color: var(--color-text-soft);
}

@media (min-width: 640px) {
    .encoder-highlights {
        flex-direction: row;
    }

    .highlight-card {
        flex: 1;
    }
}

.io-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    min-height: 100%;
}

.io-card textarea {
    flex: 1;
    min-height: 200px;
}

.io-metrics {
    font-size: var(--font-xs);
    color: var(--color-text-soft);
    margin-top: 4px;
    text-align: right;
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
}

.io-metrics span {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
}

.encoder-side-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.encoder-side-header h2 {
    margin: 4px 0 0;
}

.controls-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.mode-tabs {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.tab-group {
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.mode-tab {
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    font: inherit;
    line-height: 1;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.mode-tab.is-active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.mode-detect {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface-alt);
}

.mode-detect p {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
    font-size: var(--font-sm);
}

.mode-options {
    position: absolute;
    right: var(--space-3);
    top: calc(100% - 12px);
    width: min(260px, 80vw);
    display: none;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px dashed var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
    z-index: 30;
}

.mode-options.is-open {
    display: flex;
}

.mode-options .option-group[hidden] {
    display: none !important;
}

.mode-options .option-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mode-options label {
    font-size: var(--font-sm);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.option-title {
    margin: 0;
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--color-text-soft);
}

.shortcut-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.shortcut-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    background: var(--color-surface-alt);
}

.shortcut-key {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: var(--font-sm);
    color: var(--color-accent);
}

.encoder-side-note {
    margin: 0;
    color: var(--color-text-soft);
    font-size: var(--font-sm);
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3) var(--space-4);
    align-items: flex-end;
}

.controls-grid .grid-item {
    min-width: 0;
}

.controls-grid .grid-item-fullrow {
    grid-column: 1 / -1;
}

@media (min-width: 640px) {
    .controls-grid .grid-item-fullrow {
        grid-column: 2 / -1;
    }
}

.controls-grid .row {
    gap: var(--space-2);
}

.controls-grid select {
    width: 100%;
    height: 40px;
    min-height: auto;
    padding-top: 0;
    padding-bottom: 0;
}

.controls-grid .btn {
    flex-grow: 1;
}

.controls-grid .btn .txt {
    display: inline-block;
}

@media (max-width: 480px) {
    .controls-grid .btn .txt {
        display: none;
    }

    .controls-grid .btn {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
}

.controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.charset-note {
    margin: 0;
    color: var(--color-text-soft);
}

.toggle-options {
    align-self: flex-end;
    width: auto;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.encoder-actions {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    width: 100%;
}

.encoder-actions.action-bar {
    border: none;
    box-shadow: none;
    padding-left: 0;
    padding-right: 0;
    background: transparent;
}

.workflow-panel {
    margin-top: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.workflow-panel.action-card {
    box-shadow: var(--shadow-sm);
    align-items: center;
}

.encoder-actions-wide {
    width: 100%;
    justify-content: center;
    margin: 0;
}

@media (max-width: 768px) {
    .encoder-actions-wide {
        position: sticky;
        bottom: 0;
        z-index: 20;
        border-radius: var(--radius-lg);
        background: linear-gradient(to top, var(--color-surface), transparent);
        padding-bottom: var(--space-2);
    }

    .workflow-panel {
        margin-top: var(--space-4);
        padding-bottom: var(--space-3);
    }
}

.encoder-sticky .encoder-actions-wide {
    position: static;
    bottom: auto;
    background: transparent;
    padding-bottom: 0;
}

.muted {
    color: var(--color-text-soft);
}

@media (max-width: 640px) {
    .encoder-actions {
        flex-direction: column;
    }

    .encoder-actions .btn {
        width: 100%;
    }
}

.io-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.io-header label {
    margin: 0;
}

.io-actions {
    display: inline-flex;
    gap: var(--space-2);
}

.io-actions .btn {
    padding: 6px var(--space-3);
}

.io-card textarea {
    resize: vertical;
}

.io-card textarea[readonly] {
    opacity: 0.9;
}

#swap {
    padding: 6px;
}

#swap .material-symbols-rounded {
    margin-right: 0;
    transition: transform .2s var(--ease);
}

#swap:hover .material-symbols-rounded {
    transform: rotate(180deg);
}

.mode-guide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}
/* encoder-status removed (was a top summary bar) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.toggle-options {
    width: 100%;
    justify-content: flex-start;
    gap: var(--space-2);
}