/* ============================================================================
   Log File Viewer - ConvertICO.com
   Prefixed `lfv-` shell + re-themed JS-emitted internals.
   custom_styles.css loads BEFORE this file so these rules win the cascade.
   ============================================================================ */

:root {
    --lfv-primary: #339966;
    --lfv-primary-light: #e3f3ec;
    --lfv-primary-dark: #2a7d54;
    --lfv-success: #339966;
    --lfv-danger: #c0392b;
    --lfv-warning: #d97706;

    /* Semantic log-level colours (data encoding - kept distinguishable) */
    --lfv-lvl-error: #e64e4e;
    --lfv-lvl-error-bg: #fdeaea;
    --lfv-lvl-warn: #d97706;
    --lfv-lvl-warn-bg: #fdf3e7;
    --lfv-lvl-info: #3399cc;
    --lfv-lvl-info-bg: #e8f4fa;
    --lfv-lvl-debug: #6b7280;
    --lfv-lvl-debug-bg: #f1f3f5;
    --lfv-lvl-trace: #9aa3ad;
    --lfv-lvl-trace-bg: #f5f6f8;
    --lfv-lvl-other: #475569;

    --lfv-bg: #f6faf8;
    --lfv-bg-elevated: #ffffff;
    --lfv-bg-secondary: #eef6f1;
    --lfv-bg-tertiary: #dcece3;
    --lfv-border: #d6e7dd;
    --lfv-border-strong: #b9d6c6;
    --lfv-text: #1f2d3a;
    --lfv-text-muted: #5b6b7a;
    --lfv-text-faint: #8a99a7;

    --lfv-code-bg: #fbfdfc;
    --lfv-code-gutter: #eef4f0;
    --lfv-code-gutter-text: #9aa9a0;
    --lfv-ts: #2a7d54;
    --lfv-ts-bg: #e3f1ea;
    --lfv-mark: #ffe08a;
    --lfv-mark-current: #ff9f43;

    --lfv-radius: 10px;
    --lfv-radius-sm: 7px;
    --lfv-shadow: 0 1px 2px rgba(16, 42, 64, .06);
    --lfv-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
    --lfv-primary: #4fb583;
    --lfv-primary-light: #1d3a2c;
    --lfv-primary-dark: #6cd0a0;
    --lfv-success: #4fb583;
    --lfv-danger: #e36b5f;
    --lfv-warning: #e8a64a;

    --lfv-lvl-error: #f0736b;
    --lfv-lvl-error-bg: #3a1f1f;
    --lfv-lvl-warn: #e8a64a;
    --lfv-lvl-warn-bg: #3a2c17;
    --lfv-lvl-info: #4db4e0;
    --lfv-lvl-info-bg: #16323d;
    --lfv-lvl-debug: #9aa9b6;
    --lfv-lvl-debug-bg: #25303a;
    --lfv-lvl-trace: #7e8b97;
    --lfv-lvl-trace-bg: #222b33;
    --lfv-lvl-other: #b6c2cd;

    --lfv-bg: #11181f;
    --lfv-bg-elevated: #1a232c;
    --lfv-bg-secondary: #202c36;
    --lfv-bg-tertiary: #2a3845;
    --lfv-border: #2e3d4a;
    --lfv-border-strong: #3d5060;
    --lfv-text: #e6edf3;
    --lfv-text-muted: #a9b7c3;
    --lfv-text-faint: #76858f;

    --lfv-code-bg: #141d25;
    --lfv-code-gutter: #1c2731;
    --lfv-code-gutter-text: #6a7984;
    --lfv-ts: #6cd0a0;
    --lfv-ts-bg: #18382a;
    --lfv-mark: #7a6320;
    --lfv-mark-current: #b5701f;
}

/* ---- Neutralise global custom_styles.css conflicts ---------------------- */
.tool-main,
.lfv-tool-main { overflow: visible !important; }

.lfv-upload-area::before,
.lfv-upload-area::after { content: none !important; display: none !important; }

.tool-container { max-width: 1000px; }

.tool-header { text-align: center; margin-bottom: 1.75rem; }
.tool-title-row {
    display: flex; align-items: center; justify-content: center;
    gap: .85rem; margin-bottom: .6rem;
}
.tool-icon-wrapper {
    width: 56px; height: 56px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    background: var(--lfv-primary-light); color: var(--lfv-primary);
    flex-shrink: 0;
}
.tool-title {
    font-size: 2rem; font-weight: 800; margin: 0;
    color: var(--lfv-text); letter-spacing: -.02em;
}
.tool-description {
    max-width: 800px; margin: 0 auto; color: var(--lfv-text-muted);
    font-size: 1.02rem; line-height: 1.6;
}
.tool-description a { color: var(--lfv-primary); font-weight: 600; text-decoration: none; }
.tool-description a:hover { text-decoration: underline; }

/* ---- Upload ------------------------------------------------------------- */
.lfv-upload-section { padding: 2.5rem 1.5rem; }
.lfv-upload-area {
    border: 2px dashed var(--lfv-border-strong);
    border-radius: var(--lfv-radius);
    background: var(--lfv-bg);
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color .18s, background .18s;
}
.lfv-upload-area:hover,
.lfv-upload-area.drag-over {
    border-color: var(--lfv-primary);
    background: var(--lfv-primary-light);
}
.lfv-upload-content { display: flex; flex-direction: column; align-items: center; gap: .65rem; }
.lfv-upload-icon { color: var(--lfv-primary); margin-bottom: .35rem; }
.lfv-upload-title { font-size: 1.3rem; font-weight: 700; color: var(--lfv-text); margin: 0; }
.lfv-upload-subtitle { color: var(--lfv-text-muted); margin: 0 0 .6rem; }
.lfv-upload-hint {
    display: inline-flex; align-items: center; gap: .4rem;
    color: var(--lfv-text-faint); font-size: .85rem; margin-top: .4rem;
}

/* ---- Buttons (scoped, beat global `button` rule) ----------------------- */
.lfv-btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .6rem 1.1rem; border-radius: var(--lfv-radius-sm);
    font-size: .92rem !important; font-weight: 600 !important;
    border: 1px solid transparent !important; cursor: pointer;
    transition: background .16s, border-color .16s, transform .16s, color .16s !important;
    text-decoration: none !important; line-height: 1.2 !important;
    box-shadow: none !important;
}
.lfv-btn:hover { transform: translateY(-1px) !important; }
.lfv-btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; }
.lfv-btn-primary { background: var(--lfv-primary) !important; color: #fff !important; }
.lfv-btn-primary:hover { background: var(--lfv-primary-dark) !important; }
.lfv-btn-secondary {
    background: var(--lfv-bg-secondary) !important; color: var(--lfv-text) !important;
    border-color: var(--lfv-border) !important;
}
.lfv-btn-secondary:hover { background: var(--lfv-bg-tertiary) !important; }
.lfv-btn-success { background: var(--lfv-success) !important; color: #fff !important; }
.lfv-btn-success:hover { filter: brightness(.94); }

/* ---- Viewer shell ------------------------------------------------------- */
.lfv-viewer-section { display: flex; flex-direction: column; }

.lfv-file-info-bar {
    display: flex; flex-wrap: wrap; gap: 1.25rem;
    padding: .85rem 1.15rem;
    background: var(--lfv-bg-secondary);
    border-bottom: 1px solid var(--lfv-border);
}
.lfv-file-info-item {
    display: inline-flex; align-items: center; gap: .45rem;
    color: var(--lfv-text-muted); font-size: .88rem; font-weight: 500;
}
.lfv-file-info-item svg, .lfv-file-info-item i { color: var(--lfv-primary); }
.lfv-file-info-item span { color: var(--lfv-text); }

.lfv-viewer-toolbar {
    display: flex; flex-wrap: wrap; gap: .75rem; justify-content: space-between;
    padding: .7rem 1.15rem; background: var(--lfv-bg-elevated);
    border-bottom: 1px solid var(--lfv-border);
}
.lfv-toolbar-group { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; }

.lfv-btn-toolbar {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .48rem .7rem; border-radius: var(--lfv-radius-sm);
    background: var(--lfv-bg-secondary) !important; color: var(--lfv-text) !important;
    border: 1px solid var(--lfv-border) !important; cursor: pointer;
    font-size: .85rem !important; font-weight: 600 !important;
    transition: background .16s, border-color .16s, color .16s !important;
    box-shadow: none !important;
}
.lfv-btn-toolbar:hover { background: var(--lfv-bg-tertiary) !important; transform: none !important; }
.lfv-btn-toolbar.active {
    background: var(--lfv-primary) !important; color: #fff !important;
    border-color: var(--lfv-primary) !important;
}
.lfv-btn-toolbar.btn-sm { padding: .42rem .55rem; }

/* Filter dropdown */
.lfv-filter-dropdown { position: relative; }
.lfv-filter-menu {
    position: absolute; top: calc(100% + 6px); left: 0; z-index: 50;
    min-width: 190px; padding: .45rem;
    background: var(--lfv-bg-elevated);
    border: 1px solid var(--lfv-border);
    border-radius: var(--lfv-radius-sm);
    box-shadow: 0 8px 28px rgba(16, 42, 64, .16);
    display: none;
}
.lfv-filter-menu.show { display: block; }
.lfv-filter-option {
    display: flex; align-items: center; gap: .55rem;
    padding: .4rem .5rem; border-radius: 6px; cursor: pointer;
    font-size: .86rem; color: var(--lfv-text);
}
.lfv-filter-option:hover { background: var(--lfv-bg-secondary); }

/* Scoped checkbox reset - beats global blue/20px override */
.lfv-filter-menu input[type="checkbox"] {
    -webkit-appearance: none; -moz-appearance: none; appearance: none;
    width: 16px !important; height: 16px !important;
    min-width: 16px; margin: 0 !important; margin-right: 0 !important;
    border: 1px solid var(--lfv-border-strong) !important;
    border-radius: 4px !important;
    background: var(--lfv-bg-elevated) !important;
    cursor: pointer; position: relative; transition: all .15s ease;
}
.lfv-filter-menu input[type="checkbox"]:checked {
    background: var(--lfv-primary) !important;
    border-color: var(--lfv-primary) !important;
}
.lfv-filter-menu input[type="checkbox"]:checked:after {
    content: '✓'; position: absolute; color: #fff;
    font-size: 11px !important; font-weight: 700;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.lfv-level-badge {
    display: inline-block; padding: .12rem .55rem; border-radius: 999px;
    font-size: .76rem; font-weight: 700; letter-spacing: .02em;
}
.lfv-level-badge.all   { background: var(--lfv-bg-tertiary); color: var(--lfv-text); }
.lfv-level-badge.error { background: var(--lfv-lvl-error-bg); color: var(--lfv-lvl-error); }
.lfv-level-badge.warn  { background: var(--lfv-lvl-warn-bg);  color: var(--lfv-lvl-warn); }
.lfv-level-badge.info  { background: var(--lfv-lvl-info-bg);  color: var(--lfv-lvl-info); }
.lfv-level-badge.debug { background: var(--lfv-lvl-debug-bg); color: var(--lfv-lvl-debug); }
.lfv-level-badge.trace { background: var(--lfv-lvl-trace-bg); color: var(--lfv-lvl-trace); }
.lfv-level-badge.other { background: var(--lfv-bg-tertiary);  color: var(--lfv-lvl-other); }

/* Search box */
.lfv-search-box {
    display: flex; align-items: center; gap: .4rem;
    padding: .35rem .6rem; min-width: 240px;
    background: var(--lfv-bg-secondary);
    border: 1px solid var(--lfv-border);
    border-radius: var(--lfv-radius-sm);
}
.lfv-search-box:focus-within { border-color: var(--lfv-primary); }
.lfv-search-box svg, .lfv-search-box i { color: var(--lfv-text-faint); flex-shrink: 0; }
.lfv-search-box input {
    flex: 1; border: none !important; outline: none; background: transparent !important;
    color: var(--lfv-text); font-size: .87rem; min-width: 0; padding: .15rem 0 !important;
}
.lfv-search-count { font-size: .76rem; color: var(--lfv-text-faint); white-space: nowrap; }
.lfv-search-nav, .lfv-search-clear {
    display: inline-flex; align-items: center; justify-content: center;
    width: 24px; height: 24px; padding: 0 !important;
    background: transparent !important; border: none !important;
    color: var(--lfv-text-muted) !important; cursor: pointer;
    border-radius: 5px; box-shadow: none !important;
}
.lfv-search-nav:hover, .lfv-search-clear:hover {
    background: var(--lfv-bg-tertiary) !important; transform: none !important;
}

/* Go-to-line */
.lfv-goto-line { display: flex; align-items: center; gap: .35rem; }
.lfv-goto-line input {
    width: 78px; padding: .42rem .55rem !important;
    background: var(--lfv-bg-secondary) !important;
    border: 1px solid var(--lfv-border) !important;
    border-radius: var(--lfv-radius-sm); color: var(--lfv-text);
    font-size: .85rem; outline: none;
}
.lfv-goto-line input:focus { border-color: var(--lfv-primary) !important; }

/* ---- Level stat chips --------------------------------------------------- */
.lfv-level-stats {
    display: flex; flex-wrap: wrap; gap: .5rem;
    padding: .7rem 1.15rem; background: var(--lfv-bg-secondary);
    border-bottom: 1px solid var(--lfv-border);
}
.stat-chip {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .32rem .7rem; border-radius: 999px;
    font-size: .82rem; font-weight: 700; cursor: pointer;
    border: 1px solid transparent; transition: transform .14s, filter .14s;
}
.stat-chip:hover { transform: translateY(-1px); filter: brightness(.97); }
.stat-chip.error { background: var(--lfv-lvl-error-bg); color: var(--lfv-lvl-error); }
.stat-chip.warn  { background: var(--lfv-lvl-warn-bg);  color: var(--lfv-lvl-warn); }
.stat-chip.info  { background: var(--lfv-lvl-info-bg);  color: var(--lfv-lvl-info); }
.stat-chip.debug { background: var(--lfv-lvl-debug-bg); color: var(--lfv-lvl-debug); }
.stat-chip.trace { background: var(--lfv-lvl-trace-bg); color: var(--lfv-lvl-trace); }

/* ---- Log content -------------------------------------------------------- */
.lfv-log-viewer-wrapper { padding: 0; background: var(--lfv-code-bg); }
.log-viewer {
    display: flex; max-height: 62vh; overflow: auto;
    background: var(--lfv-code-bg);
    font-family: var(--lfv-mono); font-size: 13px; line-height: 1.55;
}
.log-viewer.fullscreen {
    position: fixed; inset: 0; z-index: 9500;
    max-height: 100vh; background: var(--lfv-code-bg);
}
.line-numbers {
    flex-shrink: 0; padding: .6rem 0; text-align: right;
    background: var(--lfv-code-gutter);
    border-right: 1px solid var(--lfv-border);
    user-select: none;
}
.line-number {
    display: block; padding: 0 .85rem; min-width: 3.2rem;
    color: var(--lfv-code-gutter-text); cursor: pointer;
}
.line-number:hover { color: var(--lfv-primary); }
.line-number.active { color: var(--lfv-primary); font-weight: 700; }
.line-number.hidden { display: none; }
.log-content { flex: 1; padding: .6rem 0; min-width: 0; }
.log-line {
    display: block; padding: 0 1rem; white-space: pre;
    color: var(--lfv-text); border-left: 3px solid transparent;
}
.log-content.wrap-text .log-line { white-space: pre-wrap; word-break: break-word; }
.log-line.hidden { display: none; }
.log-line.level-error { background: var(--lfv-lvl-error-bg); border-left-color: var(--lfv-lvl-error); color: var(--lfv-lvl-error); }
.log-line.level-warn  { background: var(--lfv-lvl-warn-bg);  border-left-color: var(--lfv-lvl-warn); }
.log-line.level-info  { border-left-color: var(--lfv-lvl-info); }
.log-line.level-debug { color: var(--lfv-text-muted); border-left-color: var(--lfv-lvl-debug); }
.log-line.level-trace { color: var(--lfv-text-faint); border-left-color: var(--lfv-lvl-trace); }
.log-line:hover { background: var(--lfv-bg-secondary); }

.highlight-timestamps .timestamp {
    color: var(--lfv-ts); background: var(--lfv-ts-bg);
    padding: 0 .2rem; border-radius: 3px; font-weight: 600;
}
mark.search-match {
    background: var(--lfv-mark); color: #1f2d3a;
    padding: 0 1px; border-radius: 2px;
}
mark.search-match.current { background: var(--lfv-mark-current); color: #fff; }

/* ---- Action bar --------------------------------------------------------- */
.lfv-action-bar {
    display: flex; flex-wrap: wrap; gap: .6rem;
    padding: .9rem 1.15rem; background: var(--lfv-bg-elevated);
    border-top: 1px solid var(--lfv-border);
}

/* ---- Staged processing overlay ----------------------------------------- */
.lfv-processing-overlay {
    position: fixed; inset: 0; z-index: 9000;
    display: none; align-items: center; justify-content: center;
    background: rgba(0, 0, 0, .6);
}
.lfv-processing-overlay.show { display: flex; }
.lfv-processing-card {
    background: var(--lfv-bg-elevated); color: var(--lfv-text);
    border: 1px solid var(--lfv-border); border-radius: 14px;
    padding: 1.6rem 1.8rem; min-width: 340px; max-width: 90vw;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .3);
}
.lfv-processing-card h3 {
    margin: 0 0 1.1rem; font-size: 1.05rem; font-weight: 700;
    text-align: center; color: var(--lfv-text);
}
.lfv-stage-row {
    display: flex; align-items: center; justify-content: center;
    gap: 0; margin-bottom: 1.2rem;
}
.lfv-stage { display: flex; flex-direction: column; align-items: center; gap: .35rem; }
.lfv-stage-dot {
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--lfv-bg-secondary); color: var(--lfv-text-faint);
    transition: background .25s, color .25s;
}
.lfv-stage-dot svg, .lfv-stage-dot i { width: 16px; height: 16px; }
.lfv-stage-label { font-size: .72rem; color: var(--lfv-text-muted); }
.lfv-stage.active .lfv-stage-dot { background: var(--lfv-primary); color: #fff; }
.lfv-stage.done .lfv-stage-dot { background: var(--lfv-success); color: #fff; }
.lfv-stage-connector { width: 28px; height: 2px; background: var(--lfv-border); margin: 0 .25rem; margin-bottom: 1.1rem; }
.lfv-stage-connector.done { background: var(--lfv-success); }
.lfv-progress-bar-wrapper {
    height: 8px; background: var(--lfv-bg-secondary);
    border-radius: 999px; overflow: hidden; margin-bottom: .6rem;
}
.lfv-progress-bar {
    height: 100%; width: 0; background: var(--lfv-primary);
    border-radius: 999px; transition: width .3s ease;
}
.lfv-progress-meta {
    display: flex; justify-content: space-between; align-items: center;
    font-size: .82rem;
}
.lfv-progress-percent { font-weight: 700; color: var(--lfv-primary); }
.lfv-progress-text { color: var(--lfv-text-muted); }

/* ---- Inline error ------------------------------------------------------- */
.lfv-error-message {
    display: none; align-items: flex-start; gap: .65rem;
    margin: 1rem 1.15rem; padding: .9rem 1rem;
    background: var(--lfv-lvl-error-bg);
    border: 1px solid var(--lfv-lvl-error);
    border-radius: var(--lfv-radius-sm);
    color: var(--lfv-lvl-error);
}
.lfv-error-message svg, .lfv-error-message i { flex-shrink: 0; margin-top: 2px; }
.lfv-error-body { flex: 1; font-size: .9rem; line-height: 1.5; }
.lfv-error-body a { color: var(--lfv-lvl-error); font-weight: 700; }
.lfv-error-close {
    background: transparent !important; border: none !important;
    color: var(--lfv-lvl-error) !important; cursor: pointer;
    padding: 0 !important; box-shadow: none !important;
}
.lfv-error-close:hover { transform: none !important; }

/* ---- Toast -------------------------------------------------------------- */
.lfv-toast {
    position: fixed; bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(140%);
    display: flex; align-items: center; gap: .55rem;
    padding: .75rem 1.15rem; z-index: 9999;
    background: var(--lfv-text); color: #fff;
    border-radius: var(--lfv-radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
    font-size: .9rem; font-weight: 600;
    opacity: 0; transition: transform .3s ease, opacity .3s ease;
    max-width: 90vw;
}
.lfv-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.lfv-toast.success svg, .lfv-toast.success i { color: #6ee7b7; }
.lfv-toast.error { background: var(--lfv-danger); }
.lfv-toast.error svg, .lfv-toast.error i { color: #fff; }

/* ---- Related tools ------------------------------------------------------ */
.lfv-related-tools {
    display: flex; flex-wrap: wrap; align-items: center; gap: .65rem;
    margin: 1.6rem 0; padding: 1rem 1.2rem;
    background: var(--lfv-bg-secondary);
    border: 1px solid var(--lfv-border);
    border-radius: var(--lfv-radius);
}
.lfv-related-label { font-weight: 700; color: var(--lfv-text); font-size: .92rem; }
.lfv-related-links { display: flex; flex-wrap: wrap; gap: .55rem; }
.lfv-related-link {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .45rem .85rem; border-radius: 999px;
    background: var(--lfv-bg-elevated); color: var(--lfv-text);
    border: 1px solid var(--lfv-border);
    font-size: .85rem; font-weight: 600; text-decoration: none;
    transition: background .15s, border-color .15s, color .15s;
}
.lfv-related-link:hover {
    background: var(--lfv-primary); color: #fff; border-color: var(--lfv-primary);
}
.lfv-related-link svg, .lfv-related-link i { color: var(--lfv-primary); }
.lfv-related-link:hover svg, .lfv-related-link:hover i { color: #fff; }

/* ---- Info sections ------------------------------------------------------ */
.lfv-info-sections { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 1.5rem; }
.lfv-info-card {
    background: var(--lfv-bg-elevated);
    border: 1px solid var(--lfv-border);
    border-radius: var(--lfv-radius);
    padding: 1.5rem 1.6rem;
}
.lfv-info-card h2 {
    display: flex; align-items: center; gap: .55rem;
    font-size: 1.2rem; font-weight: 700; color: var(--lfv-text);
    margin: 0 0 1.1rem;
}
.lfv-info-card h2 svg, .lfv-info-card h2 i { color: var(--lfv-primary); }
.lfv-info-card p { color: var(--lfv-text-muted); line-height: 1.65; margin: 0 0 .7rem; }
.lfv-info-card p:last-child { margin-bottom: 0; }
.lfv-info-card a { color: var(--lfv-primary); font-weight: 600; text-decoration: none; }
.lfv-info-card a:hover { text-decoration: underline; }

.lfv-features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}
.lfv-feature-item {
    display: flex; gap: .85rem;
    padding: 1rem; border: 1px solid var(--lfv-border);
    border-radius: var(--lfv-radius-sm); background: var(--lfv-bg);
}
.lfv-feature-icon {
    flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: var(--lfv-primary-light); color: var(--lfv-primary);
}
.lfv-feature-content h4 { margin: 0 0 .3rem; font-size: .98rem; font-weight: 700; color: var(--lfv-text); }
.lfv-feature-content p { margin: 0; font-size: .88rem; color: var(--lfv-text-muted); line-height: 1.55; }

.lfv-formats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}
.lfv-format-item {
    padding: 1rem; border: 1px solid var(--lfv-border);
    border-radius: var(--lfv-radius-sm); background: var(--lfv-bg);
}
.lfv-format-tag {
    display: inline-block; margin-bottom: .5rem;
    padding: .2rem .65rem; border-radius: 6px;
    font-size: .8rem; font-weight: 700;
    background: var(--lfv-primary-light); color: var(--lfv-primary);
}
.lfv-format-item p { margin: 0; font-size: .88rem; color: var(--lfv-text-muted); line-height: 1.55; }

.lfv-steps-list { margin: 0; padding-left: 1.3rem; color: var(--lfv-text-muted); line-height: 1.85; }
.lfv-steps-list li { margin-bottom: .4rem; }
.lfv-steps-list b { color: var(--lfv-text); }
.lfv-steps-list a { color: var(--lfv-primary); font-weight: 600; text-decoration: none; }
.lfv-steps-list a:hover { text-decoration: underline; }

/* FAQ - global _footer.php toggles .faq-item.open; inline fallback also present */
.lfv-info-card .faq-list { display: flex; flex-direction: column; gap: .5rem; }
.lfv-info-card .faq-item {
    border: 1px solid var(--lfv-border); border-radius: var(--lfv-radius-sm);
    overflow: hidden; background: var(--lfv-bg);
}
.lfv-info-card .faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; padding: .9rem 1.05rem; text-align: left;
    background: transparent !important; color: var(--lfv-text) !important;
    border: none !important; cursor: pointer;
    font-size: .94rem !important; font-weight: 600 !important;
    box-shadow: none !important;
}
.lfv-info-card .faq-question:hover { background: var(--lfv-bg-secondary) !important; transform: none !important; }
.lfv-info-card .faq-question svg, .lfv-info-card .faq-question i {
    color: var(--lfv-text-faint); transition: transform .2s; flex-shrink: 0;
}
.lfv-info-card .faq-item.open .faq-question svg,
.lfv-info-card .faq-item.open .faq-question i { transform: rotate(180deg); }
.lfv-info-card .faq-answer {
    max-height: 0; overflow: hidden; transition: max-height .25s ease;
}
.lfv-info-card .faq-item.open .faq-answer { max-height: 480px; }
.lfv-info-card .faq-answer p {
    padding: 0 1.05rem 1rem; margin: 0;
    color: var(--lfv-text-muted); font-size: .9rem; line-height: 1.65;
}
.lfv-info-card .faq-answer a { color: var(--lfv-primary); font-weight: 600; }

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 768px) {
    .tool-title { font-size: 1.6rem; }
    .lfv-viewer-toolbar { flex-direction: column; align-items: stretch; }
    .lfv-toolbar-group { justify-content: space-between; }
    .lfv-search-box { min-width: 0; flex: 1; }
    .log-viewer { font-size: 12px; max-height: 55vh; }
    .lfv-action-bar .lfv-btn { flex: 1; justify-content: center; }
}
@media (max-width: 480px) {
    .lfv-file-info-bar { gap: .75rem; }
    .lfv-stage-label { display: none; }
    .lfv-processing-card { min-width: 0; width: 88vw; padding: 1.3rem; }
}

@media print {
    .lfv-viewer-toolbar, .lfv-action-bar, .lfv-related-tools,
    .lfv-processing-overlay, .lfv-toast, .lfv-level-stats { display: none !important; }
    .log-viewer { max-height: none; overflow: visible; }
}
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}