/* ============================================
   AVIF Analyzer - analyzer.css
   All classes prefixed with ava- to avoid
   conflicts with custom_styles.css
   ============================================ */

/* ── CSS Variables (Light mode default) ───── */
:root {
    --ava-primary:        #3399cc;
    --ava-primary-light:  rgba(51,153,204,.12);
    --ava-primary-dark:   #2278a0;
    --ava-success:        #339966;
    --ava-success-light:  rgba(51,153,102,.12);
    --ava-warning:        #d97706;
    --ava-warning-light:  rgba(217,119,6,.12);
    --ava-danger:         #e64e4e;
    --ava-danger-light:   rgba(230,78,78,.12);

    --ava-bg:             #f8fafc;
    --ava-bg-elevated:    #ffffff;
    --ava-bg-secondary:   #f1f5f9;
    --ava-text:           #1e293b;
    --ava-text-secondary: #64748b;
    --ava-text-muted:     #94a3b8;
    --ava-border:         #e2e8f0;

    --ava-shadow-sm:  0 1px 3px rgba(0,0,0,.10);
    --ava-shadow-md:  0 4px 6px -1px rgba(0,0,0,.10);
    --ava-shadow-lg:  0 10px 15px -3px rgba(0,0,0,.10);
    --ava-shadow-xl:  0 20px 25px -5px rgba(0,0,0,.10);

    --ava-radius-sm:   6px;
    --ava-radius-md:   12px;
    --ava-radius-lg:   16px;
    --ava-radius-xl:   24px;
    --ava-radius-full: 9999px;

    --ava-checker-a:  #e8e8e8;
    --ava-checker-b:  #f5f5f5;
    --ava-transition: .25s;
}

/* ── Dark Mode overrides ─────────────────── */
[data-theme="dark"] {
    --ava-primary:        #5bb8e8;
    --ava-primary-light:  rgba(91,184,232,.15);
    --ava-primary-dark:   #3399cc;
    --ava-success:        #4ade80;
    --ava-success-light:  rgba(74,222,128,.15);
    --ava-warning:        #fbbf24;
    --ava-warning-light:  rgba(251,191,36,.15);
    --ava-danger:         #f87171;
    --ava-danger-light:   rgba(248,113,113,.15);

    --ava-bg:             #0f172a;
    --ava-bg-elevated:    #1e293b;
    --ava-bg-secondary:   #334155;
    --ava-text:           #f1f5f9;
    --ava-text-secondary: #cbd5e1;
    --ava-text-muted:     #94a3b8;
    --ava-border:         #334155;

    --ava-shadow-sm:  0 1px 3px rgba(0,0,0,.30);
    --ava-shadow-md:  0 4px 6px -1px rgba(0,0,0,.40);
    --ava-shadow-lg:  0 10px 15px -3px rgba(0,0,0,.40);
    --ava-shadow-xl:  0 20px 25px -5px rgba(0,0,0,.50);

    --ava-checker-a:  #334155;
    --ava-checker-b:  #475569;
}

/* ── Base ────────────────────────────────── */
* { box-sizing: border-box; }

/* ── Tool container ──────────────────────── */
.tool-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
}

/* ── CRITICAL: tool-main must NOT clip overlays ── */
.tool-main {
    background: var(--ava-bg-elevated);
    border-radius: var(--ava-radius-xl);
    box-shadow: var(--ava-shadow-xl);
    overflow: visible !important;
    border: 1px solid var(--ava-border);
    position: relative;
    transition: background-color var(--ava-transition),
                border-color var(--ava-transition),
                box-shadow var(--ava-transition);
}

/* ── Tool Header ─────────────────────────── */
.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-icon-wrapper {
    width: 64px;
    height: 64px;
    background: var(--ava-primary);
    border-radius: var(--ava-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--ava-shadow-lg);
    flex-shrink: 0;
}

.tool-icon-wrapper svg,
.tool-icon-wrapper i { width: 28px; height: 28px; }

.tool-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0;
    color: var(--ava-primary);
    letter-spacing: -.02em;
}

.tool-description {
    font-size: 1.05rem;
    color: var(--ava-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.tool-description a {
    color: var(--ava-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px dotted var(--ava-primary);
    transition: border-bottom-style .2s;
}
.tool-description a:hover { border-bottom-style: solid; }

/* ── Upload Section ──────────────────────── */
.ava-upload-section {
    padding: 3rem;
    position: relative;
}

.ava-upload-area {
    border: 2px dashed var(--ava-border);
    border-radius: var(--ava-radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all .3s ease;
    background: var(--ava-bg-secondary);
    position: relative;
    overflow: hidden;
}

.ava-upload-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--ava-primary-light);
    opacity: 0;
    transition: opacity .3s;
}

.ava-upload-area:hover,
.ava-upload-area.dragover {
    border-color: var(--ava-primary);
    background: var(--ava-bg);
    transform: translateY(-2px);
    box-shadow: var(--ava-shadow-md);
}
.ava-upload-area:hover::before,
.ava-upload-area.dragover::before { opacity: 1; }

.ava-upload-content { position: relative; z-index: 1; }

.ava-upload-icon {
    color: var(--ava-primary);
    margin-bottom: 1.5rem;
    transition: transform .3s;
}
.ava-upload-area:hover .ava-upload-icon { transform: translateY(-5px); }

.ava-upload-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ava-text);
    margin: 0 0 .5rem;
}
.ava-upload-subtitle {
    color: var(--ava-text-secondary);
    margin: 0 0 1rem;
    font-size: 1rem;
}
.ava-upload-hint {
    display: inline-block;
    background: var(--ava-bg);
    color: var(--ava-text-muted);
    padding: .5rem 1rem;
    border-radius: var(--ava-radius-full);
    font-size: .875rem;
}

/* ── Processing Overlay ──────────────────── */
.ava-processing-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.ava-processing-card {
    background: var(--ava-bg-elevated);
    border-radius: var(--ava-radius-xl);
    padding: 2rem 2.5rem;
    text-align: center;
    box-shadow: 0 25px 60px rgba(0,0,0,.35);
    min-width: 320px;
    max-width: 420px;
    width: 90%;
    border: 1px solid var(--ava-border);
}

/* Stage dots */
.ava-progress-stages {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 1.75rem;
}

.ava-stage-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
    color: var(--ava-text-muted);
    transition: color .3s;
}

.ava-stage-icon {
    width: 20px;
    height: 20px;
    padding: 7px;
    background: var(--ava-bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s;
    box-sizing: content-box;
}

.ava-stage-icon svg { width: 16px; height: 16px; display: block; }

.ava-stage-dot span {
    font-size: .65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.ava-stage-dot.active .ava-stage-icon { background: var(--ava-primary); color: #fff; }
.ava-stage-dot.active                  { color: var(--ava-primary); }
.ava-stage-dot.done .ava-stage-icon   { background: var(--ava-success); color: #fff; }
.ava-stage-dot.done                    { color: var(--ava-success); }

.ava-stage-connector {
    width: 28px;
    height: 2px;
    background: var(--ava-border);
    margin: 0 .25rem 1.1rem;
    flex-shrink: 0;
}

/* CSS Spinner */
.ava-css-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--ava-border);
    border-top-color: var(--ava-primary);
    border-radius: 50%;
    animation: ava-spin .8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes ava-spin {
    to { transform: rotate(360deg); }
}

/* Progress bar */
.ava-progress-bar-wrap {
    height: 6px;
    background: var(--ava-border);
    border-radius: var(--ava-radius-full);
    overflow: hidden;
    margin: .75rem 0 .5rem;
}

.ava-progress-bar-fill {
    height: 100%;
    background: var(--ava-primary);
    border-radius: var(--ava-radius-full);
    width: 0%;
    transition: width .4s ease;
}

.ava-processing-status {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ava-text);
    margin: 0 0 .25rem;
}

.ava-progress-pct {
    font-size: .8rem;
    color: var(--ava-text-muted);
    margin: 0;
}

/* ── Results Section ─────────────────────── */
.ava-results-section {
    padding: 0;
    animation: ava-fadeIn .4s ease;
}

@keyframes ava-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Error message ───────────────────────── */
.ava-error-message {
    display: flex;
    align-items: flex-start;
    gap: .875rem;
    margin: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--ava-danger-light);
    border: 1px solid rgba(230,78,78,.25);
    border-radius: var(--ava-radius-md);
    color: var(--ava-danger);
}

.ava-error-icon { flex-shrink: 0; margin-top: 2px; }

.ava-error-content {
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

.ava-error-title {
    font-weight: 700;
    font-size: 1rem;
}

.ava-error-text {
    font-size: .9rem;
    color: var(--ava-text-secondary);
}

.ava-error-contact {
    font-size: .875rem;
    color: var(--ava-text-muted);
}

.ava-error-contact a {
    color: var(--ava-primary);
    text-decoration: none;
    font-weight: 500;
}
.ava-error-contact a:hover { text-decoration: underline; }

/* ── File Info Bar ───────────────────────── */
.ava-file-info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1.25rem 2rem;
    background: var(--ava-bg-secondary);
    border-bottom: 1px solid var(--ava-border);
}

.ava-file-info-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .9rem;
    color: var(--ava-text-secondary);
}

.ava-file-info-item svg,
.ava-file-info-item i {
    color: var(--ava-primary);
    flex-shrink: 0;
}

/* ── Analysis Grid ───────────────────────── */
.ava-analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

/* ── Panels ──────────────────────────────── */
.ava-preview-panel,
.ava-analysis-panel {
    padding: 2rem;
}

.ava-preview-panel {
    background: var(--ava-bg-secondary);
    border-right: 1px solid var(--ava-border);
}

.ava-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.ava-panel-header h3 {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ava-text);
    margin: 0;
}

.ava-panel-header h3 svg,
.ava-panel-header h3 i { color: var(--ava-primary); }

/* ── AVIF Preview Display ────────────────── */
.ava-avif-display {
    background-color: var(--ava-bg);
    border: 1px solid var(--ava-border);
    border-radius: var(--ava-radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    overflow: auto;
    transition: background .3s ease;
}

.ava-avif-display img {
    max-width: 100%;
    max-height: 260px;
    border-radius: var(--ava-radius-md);
    box-shadow: var(--ava-shadow-md);
}

.ava-avif-display.ava-checkerboard-bg {
    background-image: linear-gradient(45deg, var(--ava-checker-a) 25%, transparent 25%),
                      linear-gradient(-45deg, var(--ava-checker-a) 25%, transparent 25%),
                      linear-gradient(45deg, transparent 75%, var(--ava-checker-a) 75%),
                      linear-gradient(-45deg, transparent 75%, var(--ava-checker-a) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.ava-avif-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--ava-text-muted);
}

.ava-preview-info {
    text-align: center;
    margin-top: 1rem;
    font-size: .875rem;
    color: var(--ava-text-secondary);
}

.ava-preview-dimensions {
    font-weight: 600;
    color: var(--ava-text);
}

/* ── Background Toggle ───────────────────── */
.ava-bg-toggle {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.ava-bg-toggle-label {
    font-size: .85rem;
    color: var(--ava-text-secondary);
}

.ava-toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.ava-toggle-switch input { opacity: 0; width: 0; height: 0; }

.ava-toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--ava-border);
    transition: .3s;
    border-radius: var(--ava-radius-full);
}

.ava-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: var(--ava-shadow-sm);
}

input:checked + .ava-toggle-slider { background: var(--ava-primary); }
input:checked + .ava-toggle-slider:before { transform: translateX(20px); }

/* ── Preview Controls ────────────────────── */
.ava-preview-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .75rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--ava-border);
}

.ava-control-button {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem .875rem;
    background: var(--ava-bg-elevated);
    border: 1px solid var(--ava-border);
    border-radius: var(--ava-radius-full);
    cursor: pointer;
    transition: all .2s ease;
    font-size: .85rem;
    font-weight: 500;
    color: var(--ava-text-secondary);
    text-decoration: none;
}

.ava-control-button:hover {
    background: var(--ava-bg-elevated);
    border-color: var(--ava-primary);
    color: var(--ava-primary);
}

.ava-control-button svg,
.ava-control-button i { flex-shrink: 0; }

/* ── Report Button ───────────────────────── */
.ava-report-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1rem;
    background: var(--ava-bg-secondary);
    border: 1px solid var(--ava-border);
    border-radius: var(--ava-radius-full);
    cursor: pointer;
    font-size: .85rem;
    font-weight: 500;
    color: var(--ava-text-secondary);
    transition: all .2s;
    text-decoration: none;
}

.ava-report-btn:hover {
    border-color: var(--ava-primary);
    color: var(--ava-primary);
}

/* ── Quality Score Card ──────────────────── */
.ava-quality-score-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    border-radius: var(--ava-radius-lg);
    margin-bottom: 1.5rem;
    border: 1px solid var(--ava-border);
}

.ava-score-high {
    background: var(--ava-success-light);
    border-color: rgba(51,153,102,.25);
}

.ava-score-medium {
    background: var(--ava-warning-light);
    border-color: rgba(217,119,6,.25);
}

.ava-score-low {
    background: var(--ava-danger-light);
    border-color: rgba(230,78,78,.25);
}

.ava-score-ring {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ava-score-high .ava-score-ring  { background: var(--ava-success); }
.ava-score-medium .ava-score-ring { background: var(--ava-warning); }
.ava-score-low .ava-score-ring   { background: var(--ava-danger); }

.ava-score-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
}

.ava-score-details { display: flex; flex-direction: column; }

.ava-score-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ava-text);
}

.ava-score-hint {
    font-size: .85rem;
    color: var(--ava-text-muted);
}

/* ── Stats Grid ──────────────────────────── */
.ava-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .75rem;
    margin-bottom: 1.5rem;
}

.ava-stat-card {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1rem;
    background: var(--ava-bg);
    border-radius: var(--ava-radius-md);
    border: 1px solid var(--ava-border);
    transition: all .2s ease;
}

.ava-stat-card:hover {
    border-color: var(--ava-primary-light);
    box-shadow: var(--ava-shadow-sm);
}

.ava-stat-card.ava-hdr-yes {
    background: var(--ava-success-light);
    border-color: rgba(51,153,102,.2);
}

.ava-stat-card.ava-animated-yes {
    background: rgba(139,92,246,.07);
    border-color: rgba(139,92,246,.2);
}

.ava-stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--ava-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ava-primary);
    color: white;
    flex-shrink: 0;
}

.ava-stat-info { display: flex; flex-direction: column; min-width: 0; }

.ava-stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ava-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ava-stat-label {
    font-size: .75rem;
    color: var(--ava-text-muted);
}

/* ── Accordion Sections ──────────────────── */
.ava-accordion-section {
    border: 1px solid var(--ava-border);
    border-radius: var(--ava-radius-md);
    margin-bottom: .75rem;
    overflow: hidden;
}

.ava-accordion-trigger {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--ava-bg-secondary);
    border: none;
    text-align: left;
    font-size: .95rem;
    font-weight: 600;
    color: var(--ava-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background .2s;
}

.ava-accordion-trigger:hover { background: var(--ava-bg); }

.ava-accordion-trigger span {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.ava-accordion-trigger span svg,
.ava-accordion-trigger span i { color: var(--ava-primary); }

.ava-accordion-icon {
    color: var(--ava-text-muted);
    transition: transform .3s ease;
}

.ava-accordion-section.open .ava-accordion-icon { transform: rotate(180deg); }

.ava-accordion-content {
    display: none;
    padding: 0 1.25rem 1.25rem;
    background: var(--ava-bg-elevated);
}

.ava-accordion-section.open .ava-accordion-content { display: block; }

/* ── Features Table ──────────────────────── */
.ava-features-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}

.ava-features-table th,
.ava-features-table td {
    padding: .875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--ava-border);
}

.ava-features-table th {
    background: var(--ava-bg-secondary);
    font-weight: 600;
    color: var(--ava-text);
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.ava-features-table tr:last-child td { border-bottom: none; }

.ava-features-table tr:hover td { background: var(--ava-bg); }

.ava-features-table td:first-child {
    font-weight: 500;
    color: var(--ava-text);
}

.ava-feature-status {
    display: inline-flex;
    align-items: center;
    gap: .375rem;
}

.ava-feature-status.ava-status-yes { color: var(--ava-success); }
.ava-feature-status.ava-status-no  { color: var(--ava-text-muted); }
.ava-feature-status.ava-status-info { color: var(--ava-primary); }

.ava-feature-status svg,
.ava-feature-status i { width: 16px; height: 16px; }

/* ── Compatibility Section ───────────────── */
.ava-compatibility-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ava-border);
}

.ava-compatibility-section h4 {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .95rem;
    font-weight: 600;
    color: var(--ava-text);
    margin: 0 0 1rem;
}

.ava-compatibility-section h4 svg,
.ava-compatibility-section h4 i { color: var(--ava-primary); }

.ava-compatibility-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: .5rem;
}

.ava-compat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    padding: .75rem .5rem;
    background: var(--ava-bg);
    border-radius: var(--ava-radius-md);
    border: 1px solid var(--ava-border);
    text-align: center;
    transition: all .2s;
}

.ava-compat-item.ava-compat-yes {
    background: var(--ava-success-light);
    border-color: rgba(51,153,102,.3);
}

.ava-compat-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ava-text-secondary);
}

.ava-compat-yes .ava-compat-icon { color: var(--ava-success); }

.ava-compat-text {
    font-size: .72rem;
    color: var(--ava-text-secondary);
    font-weight: 500;
    line-height: 1.2;
}

.ava-compat-yes .ava-compat-text { color: var(--ava-success); }

/* ── Recommendations ─────────────────────── */
.ava-recommendations-section {
    padding: 2rem;
    background: var(--ava-primary-light);
    border-top: 1px solid var(--ava-border);
}

.ava-recommendations-list {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    margin-bottom: 2rem;
}

.ava-recommendation-item {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    padding: .875rem 1rem;
    background: var(--ava-bg-elevated);
    border-radius: var(--ava-radius-md);
    font-size: .95rem;
    color: var(--ava-text-secondary);
    box-shadow: var(--ava-shadow-sm);
    border: 1px solid var(--ava-border);
}

.ava-rec-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--ava-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ava-primary-light);
    color: var(--ava-primary);
    flex-shrink: 0;
}

/* ── Recommended Tools ───────────────────── */
.ava-recommended-tools h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ava-text);
    margin: 0 0 1rem;
}

.ava-tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .75rem;
}

.ava-tool-card-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1rem;
    background: var(--ava-bg-elevated);
    border-radius: var(--ava-radius-md);
    text-decoration: none;
    transition: all .2s;
    border: 1px solid var(--ava-border);
}

.ava-tool-card-link:hover {
    border-color: var(--ava-primary);
    transform: translateY(-2px);
    box-shadow: var(--ava-shadow-md);
}

.ava-tool-icon-small {
    width: 40px;
    height: 40px;
    border-radius: var(--ava-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ava-primary);
    color: white;
    flex-shrink: 0;
}

.ava-tool-info { display: flex; flex-direction: column; }

.ava-tool-info .ava-tool-name {
    font-weight: 600;
    color: var(--ava-text);
    font-size: .9rem;
}

.ava-tool-info .ava-tool-desc {
    font-size: .8rem;
    color: var(--ava-text-muted);
}

/* ── Action Bar ──────────────────────────── */
.ava-action-bar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--ava-bg-secondary);
    border-top: 1px solid var(--ava-border);
}

/* ── Buttons ─────────────────────────────── */
.ava-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--ava-radius-full);
    border: none;
    cursor: pointer;
    transition: all .3s;
    text-decoration: none;
}

.ava-btn svg,
.ava-btn i { flex-shrink: 0; }

.ava-btn-primary {
    background: var(--ava-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(51,153,204,.3);
}

.ava-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(51,153,204,.4);
    background: var(--ava-primary-dark);
    color: white;
}

/* ── Related Tools ───────────────────────── */
.ava-related-tools {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    background: var(--ava-bg-elevated);
    border-radius: var(--ava-radius-lg);
    box-shadow: var(--ava-shadow-sm);
    flex-wrap: wrap;
    border: 1px solid var(--ava-border);
}

.ava-related-label {
    font-weight: 600;
    color: var(--ava-text);
    font-size: .9rem;
    flex-shrink: 0;
}

.ava-related-links {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}

.ava-related-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1rem;
    background: var(--ava-bg);
    color: var(--ava-text-secondary);
    text-decoration: none;
    border-radius: var(--ava-radius-full);
    font-size: .875rem;
    font-weight: 500;
    transition: all .2s;
    border: 1px solid var(--ava-border);
}

.ava-related-link:hover {
    background: var(--ava-primary);
    color: white;
    border-color: var(--ava-primary);
    transform: translateY(-2px);
}

.ava-related-link svg,
.ava-related-link i { flex-shrink: 0; }

/* ── Info Sections ───────────────────────── */
.ava-info-sections {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

/* Info cards */
.ava-info-card {
    background: var(--ava-bg-elevated);
    border-radius: var(--ava-radius-xl);
    padding: 2rem;
    border: 1px solid var(--ava-border);
    box-shadow: var(--ava-shadow-md);
}

.ava-info-card h2 {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: 1.35rem;
    color: var(--ava-text);
    margin: 0 0 1.5rem;
}

.ava-info-card h2 svg,
.ava-info-card h2 i {
    color: var(--ava-primary);
    flex-shrink: 0;
}

.ava-info-card p {
    color: var(--ava-text-secondary);
    line-height: 1.7;
    margin: 0 0 1rem;
}

.ava-info-card p:last-child { margin-bottom: 0; }

.ava-info-card a {
    color: var(--ava-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px dotted var(--ava-primary);
    transition: border-bottom-style .2s;
}
.ava-info-card a:hover { border-bottom-style: solid; }

/* ── Steps List ──────────────────────────── */
.ava-steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: ava-step;
}

.ava-steps-list li {
    position: relative;
    padding-left: 3.5rem;
    padding-bottom: 1.25rem;
    counter-increment: ava-step;
    color: var(--ava-text-secondary);
    line-height: 1.6;
}

.ava-steps-list li:not(:last-child)::after {
    content: '';
    position: absolute;
    left: calc(1rem - 1px);
    top: 2rem;
    bottom: 0;
    width: 2px;
    background: var(--ava-primary-light);
}

.ava-steps-list li::before {
    content: counter(ava-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--ava-primary);
    color: white;
    border-radius: var(--ava-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .875rem;
    z-index: 1;
}

/* ── Feature Explanations ────────────────── */
.ava-feature-explanations { display: grid; gap: 1rem; }

.ava-feature-explain {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.ava-feature-tag {
    flex-shrink: 0;
    padding: .35rem .85rem;
    border-radius: var(--ava-radius-full);
    font-size: .8rem;
    font-weight: 600;
    color: white;
}

.ava-tag-hdr        { background: #d97706; }
.ava-tag-alpha      { background: var(--ava-primary); }
.ava-tag-animation  { background: #7c3aed; }
.ava-tag-compression { background: var(--ava-success); }

.ava-feature-explain p {
    margin: 0;
    color: var(--ava-text-secondary);
    font-size: .95rem;
    line-height: 1.6;
}

/* ── Use Cases Grid ──────────────────────── */
.ava-use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.ava-use-case {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--ava-bg-secondary);
    border-radius: var(--ava-radius-md);
    border: 1px solid var(--ava-border);
    transition: all .2s;
}

.ava-use-case:hover {
    border-color: var(--ava-primary-light);
    box-shadow: var(--ava-shadow-sm);
}

.ava-use-case-icon {
    width: 48px;
    height: 48px;
    background: var(--ava-primary);
    border-radius: var(--ava-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.ava-use-case-content h4 {
    margin: 0 0 .375rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ava-text);
}

.ava-use-case-content p {
    margin: 0;
    font-size: .875rem;
    color: var(--ava-text-secondary);
    line-height: 1.5;
}

.ava-use-cases-tip {
    display: flex;
    align-items: flex-start;
    gap: .625rem;
    padding: 1rem 1.25rem;
    background: var(--ava-primary-light);
    border-radius: var(--ava-radius-md);
    border: 1px solid rgba(51,153,204,.25);
}

.ava-use-cases-tip svg,
.ava-use-cases-tip i {
    color: var(--ava-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.ava-use-cases-tip span {
    font-size: .9rem;
    color: var(--ava-text-secondary);
    line-height: 1.5;
}

/* ── FAQ ─────────────────────────────────── */
.ava-faq-list { display: grid; gap: .75rem; }

.ava-faq-item {
    border: 1px solid var(--ava-border);
    border-radius: var(--ava-radius-md);
    overflow: hidden;
}

.ava-faq-question {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--ava-bg-secondary);
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ava-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background .2s;
}

.ava-faq-question:hover { background: var(--ava-bg); }

.ava-faq-question svg,
.ava-faq-question i {
    color: var(--ava-primary);
    transition: transform .3s;
    flex-shrink: 0;
}

.ava-faq-item.open .ava-faq-question svg,
.ava-faq-item.open .ava-faq-question i { transform: rotate(180deg); }

.ava-faq-answer {
    display: none;
    padding: 1rem 1.25rem;
    background: var(--ava-bg-elevated);
}

.ava-faq-item.open .ava-faq-answer { display: block; }

.ava-faq-answer p {
    margin: 0;
    color: var(--ava-text-secondary);
    line-height: 1.7;
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 900px) {
    .ava-analysis-grid { grid-template-columns: 1fr; }
    .ava-preview-panel { border-right: none; border-bottom: 1px solid var(--ava-border); }
    .ava-file-info-bar { justify-content: center; }
    .ava-tools-grid { grid-template-columns: 1fr; }
    .ava-compatibility-grid { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 768px) {
    .tool-container { padding: 1rem; }
    .tool-icon-wrapper { width: 48px; height: 48px; }
    .tool-icon-wrapper svg, .tool-icon-wrapper i { width: 24px; height: 24px; }
    .ava-upload-section { padding: 2rem 1.5rem; }
    .ava-preview-panel, .ava-analysis-panel { padding: 1.5rem; }
    .ava-stats-grid { grid-template-columns: 1fr; }
    .ava-action-bar { flex-direction: column; padding: 1.5rem; }
    .ava-btn { width: 100%; }
    .ava-related-tools { flex-direction: column; }
    .ava-related-links { justify-content: center; }
    .ava-feature-explain { flex-direction: column; }
    .ava-use-cases-grid { grid-template-columns: 1fr; }
    .ava-quality-score-card { flex-direction: column; text-align: center; }
    .ava-compatibility-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 480px) {
    .tool-title { font-size: 1.5rem; }
    .ava-preview-controls { flex-direction: column; align-items: stretch; }
    .ava-control-button { justify-content: center; }
    .ava-file-info-bar { flex-direction: column; gap: .75rem; align-items: flex-start; }
}

/* ── Reduced Motion ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}