/* ==============================================
   UltraScale AI — Frontend CSS
   ============================================== */

/* ---------- Reset scoped ---------- */
.ultrascale-wrapper *,
.ultrascale-wrapper *::before,
.ultrascale-wrapper *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ---------- Variables ---------- */
.ultrascale-wrapper {
    --us-primary:        #6C5CE7;
    --us-primary-light:  #A29BFE;
    --us-accent:         #00CEFF;
    --us-accent2:        #FF6B9D;
    --us-dark:           #0A0A1A;
    --us-dark2:          #12122A;
    --us-dark3:          #1A1A3E;
    --us-glass:          rgba(255,255,255,0.05);
    --us-glass-border:   rgba(255,255,255,0.1);
    --us-text:           #FFFFFF;
    --us-muted:          rgba(255,255,255,0.6);

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--us-dark);
    color: var(--us-text);
    position: relative;
    overflow-x: hidden;
    min-height: 60vh;
    border-radius: 24px;
}

/* ---------- Animated Background ---------- */
.us-bg-animation {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: inherit;
    z-index: 0;
    pointer-events: none;
}

.us-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    animation: usOrbFloat 20s ease-in-out infinite;
}
.us-bg-orb:nth-child(1) { width:600px; height:600px; background:var(--us-primary);  top:-200px; left:-200px; animation-delay:0s; }
.us-bg-orb:nth-child(2) { width:500px; height:500px; background:var(--us-accent);   top:50%;  right:-150px; animation-delay:-5s; }
.us-bg-orb:nth-child(3) { width:400px; height:400px; background:var(--us-accent2);  bottom:-100px; left:30%; animation-delay:-10s; }
.us-bg-orb:nth-child(4) { width:350px; height:350px; background:#00FFA3; opacity:0.12; top:30%; left:50%; animation-delay:-15s; }

@keyframes usOrbFloat {
    0%,100% { transform: translate(0,0) scale(1); }
    25%      { transform: translate(80px,-40px) scale(1.08); }
    50%      { transform: translate(-40px,80px) scale(0.92); }
    75%      { transform: translate(60px,40px) scale(1.04); }
}

.us-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

.us-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.us-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    animation: usParticle 4s ease-in-out infinite;
}

@keyframes usParticle {
    0%,100% { opacity:0; transform:translateY(0); }
    50%      { opacity:0.5; transform:translateY(-30px); }
}

/* ---------- Ensure content above bg ---------- */
.ultrascale-wrapper > *:not(.us-bg-animation):not(.us-grid-overlay):not(.us-particles) {
    position: relative;
    z-index: 1;
}

/* ---------- Hero ---------- */
.us-hero {
    text-align: center;
    padding: 60px 24px 32px;
}

.us-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--us-accent);
    margin-bottom: 24px;
    animation: usFadeUp .8s ease;
}

.us-pulse-dot {
    width: 8px;
    height: 8px;
    background: #00FFA3;
    border-radius: 50%;
    animation: usPulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes usPulse {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:.5; transform:scale(1.5); }
}

.us-hero-title {
    font-size: clamp(30px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: usFadeUp .8s ease .1s both;
}

.us-gradient-text {
    background: linear-gradient(135deg, var(--us-accent), var(--us-primary-light), var(--us-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: usShimmer 3s linear infinite;
}

@keyframes usShimmer {
    0%   { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.us-hero-desc {
    font-size: clamp(15px,1.8vw,18px);
    color: var(--us-muted);
    max-width: 580px;
    margin: 0 auto 24px;
    line-height: 1.65;
    animation: usFadeUp .8s ease .2s both;
}

.us-hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    animation: usFadeUp .8s ease .3s both;
}

.us-stat { text-align: center; }

.us-stat-value {
    display: block;
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--us-accent), var(--us-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.us-stat-label {
    font-size: 11px;
    color: var(--us-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

@keyframes usFadeUp {
    from { opacity:0; transform:translateY(24px); }
    to   { opacity:1; transform:translateY(0); }
}

/* ---------- User Banner ---------- */
.us-user-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 24px;
    background: rgba(255,255,255,0.04);
    border-top: 1px solid var(--us-glass-border);
    border-bottom: 1px solid var(--us-glass-border);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.us-guest-banner {
    justify-content: center;
    gap: 16px;
    text-align: center;
}

.us-user-plan {
    display: flex;
    align-items: center;
    gap: 10px;
}

.us-plan-badge {
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.us-plan-free  { background: rgba(255,255,255,0.1); color: var(--us-muted); }
.us-plan-pro   { background: linear-gradient(135deg,var(--us-primary),var(--us-accent2)); color:#fff; }
.us-plan-ultra { background: linear-gradient(135deg,#FFD93D,var(--us-accent2)); color:#000; }

.us-credits-info { color: var(--us-muted); font-size: 13px; }

.us-btn-upgrade {
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--us-primary), var(--us-accent2));
    border-radius: 10px;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all .3s;
    white-space: nowrap;
}
.us-btn-upgrade:hover {
    opacity: .9;
    transform: translateY(-1px);
    color: #fff;
}

.us-btn-ghost {
    padding: 8px 20px;
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 10px;
    color: var(--us-text);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all .3s;
}
.us-btn-ghost:hover { border-color: var(--us-primary-light); color: #fff; }

/* ---------- Workspace ---------- */
.us-workspace {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ---------- Upload zone ---------- */
.us-upload-zone {
    position: relative;
    border: 2px dashed rgba(108,92,231,0.4);
    border-radius: 24px;
    padding: 64px 40px;
    text-align: center;
    background: var(--us-glass);
    cursor: pointer;
    transition: all .4s ease;
    overflow: hidden;
}

.us-upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(108,92,231,0.1), transparent 70%);
    opacity: 0;
    transition: opacity .4s;
}

.us-upload-zone:hover,
.us-upload-zone.us-drag-over {
    border-color: var(--us-primary);
    transform: translateY(-2px);
    box-shadow: 0 20px 60px rgba(108,92,231,0.15);
}

.us-upload-zone:hover::before,
.us-upload-zone.us-drag-over::before { opacity: 1; }

.us-upload-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--us-primary), var(--us-accent));
    border-radius: 24px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    animation: usFloat 3s ease-in-out infinite;
}

@keyframes usFloat {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

.us-upload-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--us-text);
}

.us-upload-title span {
    color: var(--us-primary-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.us-upload-sub {
    color: var(--us-muted);
    font-size: 14px;
    margin-bottom: 16px;
}

.us-format-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.us-tag {
    padding: 4px 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--us-muted);
}

#us-file-input { display: none; }

/* ---------- Settings panel ---------- */
.us-settings-panel { animation: usFadeUp .5s ease; }
.us-settings-panel[hidden] { display: none !important; }

/* Preview grid */
.us-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

@media (max-width: 700px) {
    .us-preview-grid { grid-template-columns: 1fr; }
}

.us-preview-card {
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 20px;
    overflow: hidden;
}

.us-info-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--us-glass-border);
}

.us-info-left { display: flex; align-items: center; gap: 10px; }

.us-filename {
    font-size: 13px;
    color: var(--us-muted);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.us-filesize {
    font-size: 11px;
    background: rgba(255,255,255,0.06);
    padding: 2px 8px;
    border-radius: 6px;
    color: var(--us-muted);
}

.us-btn-remove {
    background: none;
    border: none;
    color: var(--us-accent2);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background .3s;
    line-height: 1;
}
.us-btn-remove:hover { background: rgba(255,107,157,0.12); }

.us-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--us-glass-border);
}

.us-preview-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
}

.us-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.us-dot-original { background: #FFD93D; }
.us-dot-result   { background: #00FFA3; }

.us-res {
    font-size: 11px;
    color: var(--us-muted);
    background: rgba(255,255,255,0.05);
    padding: 3px 10px;
    border-radius: 8px;
}

.us-preview-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--us-dark2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.us-preview-img-wrap img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.us-result-placeholder {
    color: var(--us-muted);
    font-size: 13px;
    text-align: center;
    padding: 20px;
}

/* Scale options */
.us-scale-options {
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
}

.us-section-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}

.us-scale-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

@media (max-width: 560px) {
    .us-scale-grid { grid-template-columns: repeat(2, 1fr); }
}

.us-scale-btn {
    position: relative;
    padding: 18px 12px;
    background: rgba(255,255,255,0.03);
    border: 2px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: all .3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--us-text);
}

.us-scale-btn:hover:not(.us-scale-locked) {
    border-color: var(--us-primary-light);
    background: rgba(108,92,231,0.08);
}

.us-scale-btn.us-scale-active {
    border-color: var(--us-primary);
    background: rgba(108,92,231,0.15);
    box-shadow: 0 0 30px rgba(108,92,231,0.2);
}

.us-scale-btn.us-scale-active::after {
    content: '✓';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 18px;
    height: 18px;
    background: var(--us-primary);
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 18px;
}

.us-scale-btn.us-scale-locked {
    opacity: 0.55;
    cursor: not-allowed;
}

.us-scale-factor {
    font-size: 30px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--us-accent), var(--us-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.us-scale-name {
    font-size: 12px;
    font-weight: 600;
}

.us-scale-res {
    font-size: 10px;
    color: var(--us-muted);
}

.us-lock-badge {
    font-size: 10px;
    background: rgba(255,107,157,0.2);
    color: var(--us-accent2);
    padding: 2px 6px;
    border-radius: 6px;
    font-weight: 600;
}

.us-upgrade-hint {
    margin-top: 14px;
    font-size: 13px;
    color: var(--us-muted);
}
.us-upgrade-hint a {
    color: var(--us-accent);
    text-decoration: underline;
}

/* Process button */
.us-process-wrap {
    text-align: center;
    padding: 12px 0 8px;
}

.us-process-btn {
    position: relative;
    padding: 16px 56px;
    background: linear-gradient(135deg, var(--us-primary), #8B5CF6, var(--us-accent2));
    background-size: 200% auto;
    border: none;
    border-radius: 16px;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all .4s;
    letter-spacing: .5px;
    overflow: hidden;
    display: inline-block;
    text-decoration: none;
}

.us-process-btn::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--us-accent), var(--us-primary), var(--us-accent2), var(--us-accent));
    background-size: 300% auto;
    border-radius: 18px;
    z-index: -1;
    animation: usBtnGlow 3s linear infinite;
    filter: blur(8px);
    opacity: .5;
}

@keyframes usBtnGlow {
    0%   { background-position: 0% center; }
    100% { background-position: 300% center; }
}

.us-process-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(108,92,231,0.4);
    background-position: right center;
    color: #fff;
}

.us-process-btn:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
}

.us-process-note {
    margin-top: 10px;
    font-size: 12px;
    color: var(--us-muted);
}

/* ---------- Result section ---------- */
.us-result-section[hidden] { display: none !important; }
.us-result-section { animation: usFadeUp .6s ease; }

.us-comparison-card {
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
}

.us-comparison-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--us-glass-border);
}

.us-comparison-header h3 {
    font-size: 15px;
    font-weight: 700;
}

.us-result-res-label {
    font-size: 12px;
    color: var(--us-muted);
    background: rgba(255,255,255,0.05);
    padding: 4px 12px;
    border-radius: 8px;
}

/* --- Comparison Slider --- */
.us-comparison-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    cursor: col-resize;
    background: #000;
    user-select: none;
    -webkit-user-select: none;
}

.us-comp-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    pointer-events: none;
}

.us-comp-img-after {
    clip-path: inset(0 50% 0 0);
}

.us-comp-label {
    position: absolute;
    top: 14px;
    padding: 5px 12px;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    z-index: 5;
    pointer-events: none;
}

.us-comp-before { left: 14px; }
.us-comp-after  { right: 14px; }

.us-comp-slider {
    position: absolute;
    top: 0;
    left: 50%;
    width: 3px;
    height: 100%;
    background: rgba(255,255,255,0.9);
    transform: translateX(-50%);
    z-index: 10;
    box-shadow: 0 0 12px rgba(0,0,0,0.5);
}

.us-comp-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--us-dark);
    box-shadow: 0 4px 20px rgba(0,0,0,0.35);
    cursor: col-resize;
    transition: transform .2s;
}

.us-comparison-wrapper:active .us-comp-handle,
.us-comparison-wrapper.us-dragging .us-comp-handle {
    transform: translate(-50%, -50%) scale(1.12);
}

/* Result actions */
.us-result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.us-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 14px;
    color: var(--us-text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s;
    white-space: nowrap;
}

.us-action-btn:hover {
    border-color: var(--us-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(108,92,231,0.2);
}

.us-action-btn.us-action-primary {
    background: linear-gradient(135deg, var(--us-primary), var(--us-accent2));
    border: none;
    color: #fff;
}

.us-action-btn.us-action-primary:hover {
    box-shadow: 0 10px 30px rgba(108,92,231,0.4);
}

.us-action-icon { font-size: 16px; }

/* ---------- Processing overlay ---------- */
.us-processing-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,10,26,0.96);
    backdrop-filter: blur(20px);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    animation: usFadeIn .4s ease;
}

.us-processing-overlay[hidden] { display: none !important; }

@keyframes usFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.us-processing-anim {
    position: relative;
    width: 180px;
    height: 180px;
    margin-bottom: 24px;
}

.us-ring {
    position: absolute;
    border: 3px solid transparent;
    border-radius: 50%;
}
.us-ring:nth-child(1) { inset:0;    border-top-color:var(--us-accent);  animation: usSpin 1.5s linear infinite; }
.us-ring:nth-child(2) { inset:15px; border-right-color:var(--us-primary); animation: usSpin 2s linear infinite reverse; }
.us-ring:nth-child(3) { inset:30px; border-bottom-color:var(--us-accent2); animation: usSpin 1s linear infinite; }
.us-ring:nth-child(4) { inset:45px; border-left-color:#00FFA3; animation: usSpin 2.5s linear infinite reverse; }

@keyframes usSpin { to { transform: rotate(360deg); } }

.us-ring-center {
    position: absolute;
    inset: 58px;
    background: linear-gradient(135deg, var(--us-primary), var(--us-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    animation: usCenterPulse 1.5s ease-in-out infinite;
}

@keyframes usCenterPulse {
    0%,100% { transform:scale(1); box-shadow:0 0 30px rgba(108,92,231,0.3); }
    50%      { transform:scale(1.06); box-shadow:0 0 50px rgba(108,92,231,0.6); }
}

.us-processing-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--us-text);
}

.us-processing-sub {
    font-size: 14px;
    color: var(--us-muted);
}

.us-progress-bar-wrap {
    width: 380px;
    max-width: 88vw;
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}

.us-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--us-accent), var(--us-primary), var(--us-accent2));
    background-size: 200% auto;
    border-radius: 4px;
    width: 0%;
    transition: width .4s ease;
    animation: usProgressShimmer 2s linear infinite;
}

@keyframes usProgressShimmer {
    0%   { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.us-progress-pct {
    font-size: 15px;
    font-weight: 700;
    color: var(--us-primary-light);
}

.us-steps {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 16px;
}

.us-step {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--us-muted);
    transition: color .3s;
}

.us-step.us-step-active    { color: var(--us-accent); }
.us-step.us-step-completed { color: #00FFA3; }

.us-step-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
    line-height: 1;
}

.us-step.us-step-active .us-step-icon    { background: var(--us-primary); border-color: var(--us-primary); }
.us-step.us-step-completed .us-step-icon { background: #00FFA3; border-color: #00FFA3; color: var(--us-dark); }

.us-btn-cancel {
    margin-top: 16px;
    padding: 8px 24px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    color: var(--us-muted);
    font-size: 13px;
    cursor: pointer;
    transition: all .3s;
}
.us-btn-cancel:hover {
    background: rgba(255,107,157,0.1);
    border-color: var(--us-accent2);
    color: var(--us-accent2);
}

/* ---------- Toast ---------- */
.us-toast {
    position: fixed;
    bottom: 28px;
    right: 28px;
    padding: 14px 22px;
    background: var(--us-dark3);
    border: 1px solid var(--us-glass-border);
    border-radius: 14px;
    backdrop-filter: blur(20px);
    font-size: 14px;
    font-weight: 500;
    z-index: 100000;
    transform: translateY(80px);
    opacity: 0;
    transition: all .4s ease;
    max-width: 90vw;
    pointer-events: none;
}

.us-toast.us-toast-show {
    transform: translateY(0);
    opacity: 1;
}

/* ---------- Features ---------- */
.us-features {
    max-width: 1100px;
    margin: 20px auto 0;
    padding: 0 24px 48px;
    text-align: center;
}

.us-features h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 32px;
}

.us-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.us-feature-card {
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 20px;
    padding: 28px 24px;
    text-align: left;
    transition: all .3s;
}

.us-feature-card:hover {
    border-color: var(--us-primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(108,92,231,0.1);
}

.us-feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 14px;
}

.us-feature-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.us-feature-card p {
    font-size: 13px;
    color: var(--us-muted);
    line-height: 1.6;
}

/* ---------- Pricing ---------- */
.us-pricing {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 24px 60px;
    text-align: center;
}

.us-pricing h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.us-pricing-sub {
    color: var(--us-muted);
    font-size: 15px;
    margin-bottom: 32px;
}

.us-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    justify-items: center;
}

.us-pricing-card {
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    border-radius: 24px;
    padding: 32px 28px;
    text-align: center;
    width: 100%;
    max-width: 340px;
    transition: all .3s;
    position: relative;
}

.us-pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(108,92,231,0.1);
}

.us-pricing-featured {
    border-color: var(--us-primary);
    background: rgba(108,92,231,0.08);
    box-shadow: 0 0 40px rgba(108,92,231,0.15);
}

.us-pricing-current {
    border-color: #00FFA3;
}

.us-pricing-popular {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--us-primary), var(--us-accent2));
    padding: 5px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    white-space: nowrap;
}

.us-pricing-name {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 12px;
    margin-top: 8px;
}

.us-pricing-price {
    font-size: 40px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--us-accent), var(--us-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
}

.us-pricing-price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--us-muted);
    -webkit-text-fill-color: var(--us-muted);
}

.us-pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.us-pricing-features li {
    font-size: 14px;
    color: var(--us-muted);
}

.us-pricing-btn {
    display: block;
    padding: 13px 24px;
    background: linear-gradient(135deg, var(--us-primary), var(--us-accent2));
    border-radius: 14px;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: all .3s;
}

.us-pricing-btn:hover {
    opacity: .9;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(108,92,231,0.3);
    color: #fff;
}

.us-pricing-btn-ghost {
    background: var(--us-glass);
    border: 1px solid var(--us-glass-border);
    color: var(--us-text);
}

.us-pricing-btn-ghost:hover {
    border-color: var(--us-primary);
    color: var(--us-text);
}

.us-pricing-btn-ultra {
    background: linear-gradient(135deg, #FFD93D, var(--us-accent2));
}

.us-pricing-current-badge {
    display: block;
    padding: 10px;
    background: rgba(0,255,163,0.1);
    border: 1px solid #00FFA3;
    border-radius: 14px;
    color: #00FFA3;
    font-size: 14px;
    font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .us-hero { padding: 40px 16px 24px; }
    .us-hero-stats { gap: 20px; }
    .us-workspace { padding: 24px 16px; }
    .us-upload-zone { padding: 40px 20px; }
    .us-result-actions { flex-direction: column; align-items: stretch; }
    .us-action-btn { justify-content: center; }
    .us-processing-overlay { padding: 24px; }
}