/**
 * Image Format Converter - app styles.
 * Tokens only (see public/assets/css/main.css); mobile-first; BEM-ish.
 */

/* --- Container ----------------------------------------------------------- */

.ifc-container {
    max-width: var(--app-container-max);
    margin: 0 auto;
    padding: var(--space-4) var(--space-3);
}

@media (min-width: 768px) {
    .ifc-container {
        padding: var(--space-6) var(--space-4);
    }
}

/* --- Drop zone ----------------------------------------------------------- */

.ifc-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    min-height: 160px;
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.ifc-dropzone:hover {
    border-color: var(--color-border-dark);
    background: color-mix(in srgb, var(--color-primary) 4%, var(--color-bg-alt));
}

.ifc-dropzone:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.ifc-dropzone:active {
    background: color-mix(in srgb, var(--color-primary) 8%, var(--color-bg-alt));
}

.ifc-dropzone--dragover {
    border-style: solid;
    border-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, var(--color-bg-alt));
}

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

.ifc-dropzone__hint {
    font-weight: 600;
}

.ifc-dropzone__methods {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --- Add more ------------------------------------------------------------ */

.ifc-add-more {
    display: block;
    width: 100%;
    margin: 0 0 var(--space-3);
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-primary-text);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.ifc-add-more:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-text-hover);
}

.ifc-add-more:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.ifc-add-more:active {
    background: var(--color-bg-alt);
}

/* --- Quality slider ------------------------------------------------------ */

.ifc-settings {
    margin: 0 0 var(--space-4);
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
}

.ifc-settings__legend,
.ifc-settings__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.ifc-settings__value {
    font-variant-numeric: tabular-nums;
    color: var(--color-primary-text);
}

.ifc-settings__slider {
    width: 100%;
    margin: var(--space-2) 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.ifc-settings__slider:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
}

.ifc-settings__hint {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* --- Privacy note -------------------------------------------------------- */

.ifc-privacy-note {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-4);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.ifc-privacy-note svg {
    flex-shrink: 0;
}

/* --- Queue tray ------------------------------------------------------------ */

.ifc-tray {
    margin-bottom: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    box-shadow: var(--shadow-sm);
}

.ifc-tray__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.ifc-tray__title {
    margin: 0;
    font-size: var(--font-size-lg);
}

.ifc-tray__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.ifc-tray__counter {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}

.ifc-tray__summary {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: 600;
}

.ifc-tray__header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.ifc-tray__zip,
.ifc-tray__clear {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.ifc-tray__zip {
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.ifc-tray__zip:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: var(--color-text-inverse);
}

.ifc-tray__zip:active {
    background: var(--color-primary-dark);
}

.ifc-tray__zip:focus-visible,
.ifc-tray__clear:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.ifc-tray__zip:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.ifc-tray__clear {
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
}

.ifc-tray__clear:hover {
    border-color: var(--color-border-dark);
    background: var(--color-bg-alt);
}

.ifc-tray__clear:active {
    border-color: var(--color-border-dark);
    background: var(--color-bg-alt);
}

.ifc-tray__hint {
    width: 100%;
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* --- ZIP progress ---------------------------------------------------------- */

.ifc-tray__zip-progress {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

.ifc-tray__zip-progress__count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}

.ifc-tray__zip-progress__track {
    flex: 1;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--color-border);
    overflow: hidden;
}

.ifc-tray__zip-progress__bar {
    height: 100%;
    width: 0%;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    transition: width var(--transition-base);
}

/* --- Queue list ------------------------------------------------------------ */

.ifc-tray__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.ifc-row {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.ifc-row:last-child {
    border-bottom: none;
}

.ifc-row__info {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

.ifc-row__name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    word-break: break-all;
}

.ifc-row__meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.ifc-row__error {
    margin: var(--space-2) 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-error-text);
}

/* Format badges */

.ifc-badge {
    display: inline-block;
    padding: 0 var(--space-1);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    background: var(--color-bg-alt);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-text);
}

.ifc-badge--png {
    border-color: var(--color-primary);
    color: var(--color-primary-text);
}

.ifc-badge--jpeg {
    border-color: var(--color-success);
    color: var(--color-success-text);
}

.ifc-badge--webp {
    border-color: var(--color-warning);
    color: var(--color-warning-text);
}

.ifc-badge--heic {
    border-color: var(--color-primary-light);
    color: var(--color-primary-text);
}

/* Per-row progress (indeterminate) */

.ifc-row__progress {
    margin: var(--space-2) 0 0;
}

.ifc-row__progress-bar {
    display: block;
    width: 40%;
    height: 4px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    animation: ifc-progress-slide 1.1s ease-in-out infinite;
}

@keyframes ifc-progress-slide {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(250%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .ifc-row__progress-bar {
        animation: none;
        width: 100%;
    }
}

/* Result line (before / after / savings) */

.ifc-row__result {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin: var(--space-2) 0 0;
    font-size: var(--font-size-sm);
}

.ifc-row__result-before {
    color: var(--color-text-muted);
}

.ifc-row__result-arrow {
    color: var(--color-text-muted);
}

.ifc-row__result-after {
    font-weight: 600;
}

.ifc-row__savings--ok {
    color: var(--color-success-text);
}

.ifc-row__savings--warn {
    color: var(--color-warning-text);
}

/* Controls: target select + status */

.ifc-row__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.ifc-row__select {
    max-width: 100%;
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.ifc-row__select:hover {
    border-color: var(--color-border-dark);
}

.ifc-row__select:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

.ifc-row__select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.ifc-row__status {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.ifc-row__status--waiting {
    color: var(--color-text-muted);
}

.ifc-row__status--working {
    color: var(--color-primary-text);
}

.ifc-row__status--done {
    color: var(--color-success-text);
}

.ifc-row__status--error {
    color: var(--color-error-text);
}

/* Actions */

.ifc-row__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.ifc-row__download,
.ifc-row__retry {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.ifc-row__download {
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.ifc-row__download:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: var(--color-text-inverse);
}

.ifc-row__download:active {
    background: var(--color-primary-dark);
}

.ifc-row__retry {
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
}

.ifc-row__retry:hover {
    border-color: var(--color-border-dark);
    background: var(--color-bg-alt);
}

.ifc-row__retry:active {
    border-color: var(--color-border-dark);
    background: var(--color-bg-alt);
}

.ifc-row__download:focus-visible,
.ifc-row__retry:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* --- Toast ----------------------------------------------------------------- */

.ifc-toast {
    position: fixed;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    max-width: min(90vw, 480px);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-lg);
}

/* --- Screen-reader-only helper --------------------------------------------- */

.ifc-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;
}