/* =============================================
   YouTube SEO Generator — Frontend Styles
   ============================================= */

:root {
  --ytseo-primary:       #6c47ff;
  --ytseo-primary-dark:  #5535e0;
  --ytseo-primary-light: #ede9ff;
  --ytseo-accent:        #ff4757;
  --ytseo-success:       #2ed573;
  --ytseo-bg:            #f7f8fc;
  --ytseo-card:          #ffffff;
  --ytseo-border:        #e8eaf0;
  --ytseo-text:          #1a1d2e;
  --ytseo-muted:         #7b7f9e;
  --ytseo-radius:        16px;
  --ytseo-radius-sm:     10px;
  --ytseo-shadow:        0 4px 24px rgba(108,71,255,.08);
  --ytseo-transition:    .22s cubic-bezier(.4,0,.2,1);
}

.ytseo-container {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  max-width: 800px;
  margin: 32px auto;
  padding: 0 16px 40px;
  color: var(--ytseo-text);
  box-sizing: border-box;
}
.ytseo-container *, .ytseo-container *::before, .ytseo-container *::after {
  box-sizing: inherit;
}

/* ── Page entrance animations ── */
@keyframes ytseo-entrance-down {
  from { opacity: 0; transform: translateY(-24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes ytseo-entrance-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ytseo-header__title   { animation: ytseo-entrance-down .5s cubic-bezier(.4,0,.2,1) .14s both; }
.ytseo-header__subtitle{ animation: ytseo-entrance-down .5s cubic-bezier(.4,0,.2,1) .26s both; }
.ytseo-form-card       { animation: ytseo-entrance-up  .55s cubic-bezier(.4,0,.2,1) .38s both; }
.ytseo-empty           { animation: ytseo-entrance-up  .5s cubic-bezier(.4,0,.2,1)  .52s both; }

/* ── Header ── */
.ytseo-header {
  text-align: center;
  margin-bottom: 28px;
}
.ytseo-header__icon {
  display: block;
  margin-bottom: 14px;
  line-height: 1;
}

.ytseo-yt-logo {
  width: 72px;
  height: 50px;
  filter: drop-shadow(0 4px 12px rgba(255,0,0,.3));
  transition: transform .3s ease, filter .3s ease;
}
.ytseo-yt-logo:hover {
  transform: scale(1.07);
  filter: drop-shadow(0 6px 20px rgba(255,0,0,.5));
}
.ytseo-header__title {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  margin: 0 0 8px;
  background: linear-gradient(135deg, var(--ytseo-primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ytseo-header__subtitle {
  font-size: 15px;
  color: var(--ytseo-muted);
  margin: 0;
  line-height: 1.5;
}

/* ── Form Card ── */
.ytseo-form-card {
  background: var(--ytseo-card);
  border-radius: var(--ytseo-radius);
  box-shadow: var(--ytseo-shadow);
  border: 1px solid var(--ytseo-border);
  padding: 28px 28px 20px;
  margin-bottom: 20px;
}

/* ── Fields ── */
.ytseo-field { margin-bottom: 18px; }
.ytseo-label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.ytseo-required { color: var(--ytseo-accent); margin-left: 2px; }
.ytseo-optional { color: var(--ytseo-muted); font-weight: 400; font-size: 12px; }

.ytseo-textarea, .ytseo-input, .ytseo-select {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--ytseo-border);
  border-radius: var(--ytseo-radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--ytseo-text);
  background: var(--ytseo-bg);
  transition: border-color var(--ytseo-transition), box-shadow var(--ytseo-transition);
  outline: none;
  resize: vertical;
}
.ytseo-textarea:focus, .ytseo-input:focus, .ytseo-select:focus {
  border-color: var(--ytseo-primary);
  box-shadow: 0 0 0 3px var(--ytseo-primary-light);
  background: #fff;
}
.ytseo-textarea.ytseo--error {
  border-color: var(--ytseo-accent);
  animation: ytseo-shake .3s ease;
}
@keyframes ytseo-shake {
  0%,100% { transform: translateX(0); }
  25%      { transform: translateX(-6px); }
  75%      { transform: translateX(6px); }
}
.ytseo-counter { text-align: right; font-size: 12px; color: var(--ytseo-muted); margin-top: 4px; }

/* ── Advanced Toggle (Smooth Hover Version) ── */
.ytseo-advanced-toggle { margin-bottom: 0; }
.ytseo-toggle-btn {
  background: none;
  border: none;
  color: var(--ytseo-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 10px;
  margin-left: -10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
  transition: all 0.25s ease;
}
.ytseo-toggle-btn:hover {
  background: var(--ytseo-primary-light);
  color: var(--ytseo-primary-dark);
  transform: translateY(-1px);
}
.ytseo-toggle-btn:active {
  transform: translateY(0);
}
.ytseo-toggle-btn:focus {
  outline: none;
}
.ytseo-toggle-btn__icon {
  display: inline-block;
  transition: transform 0.3s ease;
}
.ytseo-toggle-btn[aria-expanded="true"] .ytseo-toggle-btn__icon {
  transform: rotate(180deg);
}

/* ── Advanced Panel (Optimized Smooth Animation) ── */
.ytseo-advanced-panel {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateZ(0); 
  will-change: max-height, opacity, margin-top;
  transition: max-height 0.35s ease-in-out, opacity 0.3s ease-in-out, margin-top 0.3s ease-in-out;
  margin-top: 0;
}
.ytseo-advanced-panel.ytseo--open {
  max-height: 1000px; 
  opacity: 1;
  margin-top: 16px;
}
.ytseo-advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ytseo-field--full { grid-column: 1 / -1; }
.ytseo-advanced-panel.ytseo--open .ytseo-field {
  animation: none !important;
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* ── Buttons ── */
.ytseo-btn-row { margin-top: 8px; }
.ytseo-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 50px;
  border: none;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--ytseo-transition);
}
.ytseo-btn--primary {
  background: linear-gradient(135deg, var(--ytseo-primary), #a78bfa);
  color: #fff;
  box-shadow: 0 4px 14px rgba(108,71,255,.35);
  width: 100%;
  justify-content: center;
}
.ytseo-btn--primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(108,71,255,.45);
}
.ytseo-btn--primary:disabled { opacity: .65; cursor: not-allowed; transform: none; }
.ytseo-btn--secondary {
  background: var(--ytseo-primary-light);
  color: var(--ytseo-primary);
  font-size: 13px;
  padding: 8px 16px;
}
.ytseo-btn--secondary:hover:not(:disabled) { background: var(--ytseo-primary); color: #fff; }
.ytseo-btn--secondary:disabled { opacity: .6; cursor: not-allowed; }

.ytseo-btn__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ytseo-spin .7s linear infinite;
  flex-shrink: 0;
}
.ytseo-btn--secondary .ytseo-btn__spinner {
  border-color: rgba(108,71,255,.3);
  border-top-color: var(--ytseo-primary);
}
@keyframes ytseo-spin { to { transform: rotate(360deg); } }

/* ── Loading ── */
.ytseo-loading {
  margin: 24px 0;
  animation: ytseo-fade-in 0.3s ease-out;
}
@keyframes ytseo-fade-in {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ytseo-loading-card {
  background: linear-gradient(135deg, #6c47ff 0%, #a855f7 100%);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(108, 71, 255, 0.3);
  position: relative;
  overflow: hidden;
}
.ytseo-loading-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: ytseo-shimmer 2s infinite;
}
@keyframes ytseo-shimmer {
  0%   { left: -100%; }
  100% { left: 100%; }
}
.ytseo-loading-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}
.ytseo-dot {
  width: 12px;
  height: 12px;
  background: rgba(255,255,255,0.6);
  border-radius: 50%;
  animation: ytseo-dot-bounce 1.4s ease-in-out infinite;
}
.ytseo-dot:nth-child(1) { animation-delay: 0s; }
.ytseo-dot:nth-child(2) { animation-delay: 0.2s; }
.ytseo-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes ytseo-dot-bounce {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40%           { transform: scale(1.2); opacity: 1; }
}
.ytseo-loading-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  color: #ffffff;
}
.ytseo-loading-emoji {
  font-size: 28px;
  animation: ytseo-emoji-rotate 3s ease-in-out infinite;
  transition: opacity 0.3s ease;
}
@keyframes ytseo-emoji-rotate {
  0%, 100% { transform: rotate(0deg) scale(1); }
  25%      { transform: rotate(-10deg) scale(1.1); }
  75%      { transform: rotate(10deg) scale(1.1); }
}
.ytseo-loading-text {
  font-size: 18px;
  font-weight: 600;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  transition: opacity 0.3s ease;
}
.ytseo-loading-steps {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.ytseo-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}
.ytseo-step svg { width: 16px; height: 16px; }
.ytseo-step-active {
  background: rgba(255,255,255,0.2);
  color: #ffffff;
  border-color: rgba(255,255,255,0.3);
  animation: ytseo-step-pulse 2s ease-in-out infinite;
}
@keyframes ytseo-step-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0.4); }
  50%      { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
}
.ytseo-step-complete {
  background: rgba(16,185,129,0.3);
  color: #ffffff;
  border-color: rgba(16,185,129,0.5);
}
@media (max-width: 600px) {
  .ytseo-loading-card { padding: 24px; }
  .ytseo-loading-steps { flex-direction: column; gap: 10px; }
  .ytseo-step { justify-content: center; }
}

/* ── Error Toast ── */
.ytseo-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--ytseo-radius-sm);
  margin-bottom: 16px;
  animation: ytseo-fadein .25s ease;
}
.ytseo-toast--error { background: #fff1f2; border: 1px solid #fecdd3; color: #c0152a; }
.ytseo-toast__msg { flex: 1; font-size: 14px; }
.ytseo-toast__close { background: none; border: none; cursor: pointer; font-size: 20px; color: inherit; padding: 0; }
@keyframes ytseo-fadein {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Empty State ── */
.ytseo-empty {
  text-align: center;
  padding: 50px 20px;
  background: var(--ytseo-card);
  border-radius: var(--ytseo-radius);
  box-shadow: var(--ytseo-shadow);
  border: 1px solid var(--ytseo-border);
}
.ytseo-empty__icon {
  font-size: 52px;
  margin-bottom: 14px;
  display: block;
  animation: ytseo-float 3s ease-in-out infinite;
}
@keyframes ytseo-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.ytseo-empty__title { font-size: 20px; font-weight: 700; margin: 0 0 10px; }
.ytseo-empty__msg { color: var(--ytseo-muted); font-size: 14px; margin: 0 auto; max-width: 380px; line-height: 1.6; }

/* ── Results ── */
.ytseo-results { animation: ytseo-fadein .35s ease; }
.ytseo-results-card {
  background: var(--ytseo-card);
  border-radius: var(--ytseo-radius);
  box-shadow: var(--ytseo-shadow);
  border: 1px solid var(--ytseo-border);
  padding: 22px 24px;
  margin-bottom: 18px;
  animation: ytseo-slidein .3s ease both;
}
.ytseo-results-card:nth-child(2) { animation-delay: .08s; }
.ytseo-results-card:nth-child(3) { animation-delay: .16s; }
@keyframes ytseo-slidein {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.ytseo-results-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.ytseo-results-card__title-row { display: flex; align-items: center; gap: 8px; }
.ytseo-results-card__icon { font-size: 20px; }
.ytseo-results-card__title { font-size: 17px; font-weight: 700; margin: 0; }
.ytseo-badge {
  background: var(--ytseo-primary-light);
  color: var(--ytseo-primary);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
}

/* ── Copy Btn ── */
.ytseo-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--ytseo-bg);
  border: 1px solid var(--ytseo-border);
  border-radius: 50px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--ytseo-text);
  font-family: inherit;
  transition: all var(--ytseo-transition);
}
.ytseo-copy-btn:hover { background: var(--ytseo-primary-light); border-color: var(--ytseo-primary); color: var(--ytseo-primary); }
.ytseo-copy-btn.ytseo--copied { background: #e8faf0; border-color: var(--ytseo-success); color: #16a34a; }

/* ── Title List ── */
.ytseo-titles-list { display: flex; flex-direction: column; gap: 10px; }
.ytseo-title-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ytseo-bg);
  border-radius: var(--ytseo-radius-sm);
  border: 1px solid var(--ytseo-border);
  transition: border-color var(--ytseo-transition);
}
.ytseo-title-row:hover { border-color: var(--ytseo-primary); }
.ytseo-title-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--ytseo-primary);
  background: var(--ytseo-primary-light);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.ytseo-title-text { flex: 1; font-size: 14px; line-height: 1.5; }
.ytseo-title-copy {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 2px 4px;
  border-radius: 6px;
  transition: background var(--ytseo-transition);
  flex-shrink: 0;
  color: var(--ytseo-muted);
}
.ytseo-title-copy:hover { background: var(--ytseo-primary-light); color: var(--ytseo-primary); }
.ytseo-title-copy.ytseo--copied { color: var(--ytseo-success); }

/* ── Description ── */
.ytseo-description-box {
  background: var(--ytseo-bg);
  border-radius: var(--ytseo-radius-sm);
  border: 1px solid var(--ytseo-border);
  padding: 16px;
  max-height: 300px;
  overflow-y: auto;
}
.ytseo-description-pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ── Timestamps ── */
.ytseo-timestamps-box {
  margin-top: 16px;
  background: var(--ytseo-primary-light);
  border-radius: var(--ytseo-radius-sm);
  padding: 14px 16px;
  border: 1px solid rgba(108,71,255,.15);
}
.ytseo-timestamps-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.ytseo-timestamps-title { font-size: 14px; font-weight: 700; margin: 0; flex: 1; }
.ytseo-timestamps-pre { white-space: pre-wrap; font-family: 'Courier New', monospace; font-size: 13px; line-height: 1.8; margin: 0; }

/* ── Chips ── */
.ytseo-chips-container { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.ytseo-chip {
  display: inline-flex;
  align-items: center;
  background: var(--ytseo-primary-light);
  color: var(--ytseo-primary);
  border-radius: 50px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--ytseo-transition);
  user-select: none;
}
.ytseo-chip:hover, .ytseo-chip:focus { background: var(--ytseo-primary); color: #fff; outline: none; }
.ytseo-chip.ytseo--copied { background: #e8faf0; color: #16a34a; border-color: var(--ytseo-success); }

/* ── Tags Textarea ── */
.ytseo-tags-textarea {
  width: 100%;
  min-height: 80px;
  resize: vertical;
  border: 1.5px solid var(--ytseo-border);
  border-radius: var(--ytseo-radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  color: var(--ytseo-text);
  background: var(--ytseo-bg);
  line-height: 1.5;
}

/* ── Footer ── */
.ytseo-footer {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ytseo-muted);
  padding-top: 8px;
  flex-wrap: wrap;
  gap: 6px;
}

/* ── Micro toast ── */
.ytseo-micro-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: #1a1d2e;
  color: #fff;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  z-index: 99999;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  animation: ytseo-fadein .18s ease;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .ytseo-form-card { padding: 18px 14px; }
  .ytseo-advanced-grid { grid-template-columns: 1fr; }
  .ytseo-results-card__header { flex-direction: column; align-items: flex-start; }
  .ytseo-results-card { padding: 16px 14px; }
  .ytseo-footer { flex-direction: column; text-align: center; }
}

/* ═══════════════════════════════════════════════
   DYNAMIC ANIMATIONS PACK
   ═══════════════════════════════════════════════ */

/* ── Form card hover glow ── */
.ytseo-form-card {
  transition: box-shadow .35s ease !important;
}
.ytseo-form-card:focus-within {
  box-shadow: 0 8px 44px rgba(108,71,255,.16) !important;
}

/* ── Input focus glow ring ── */
.ytseo-textarea,
.ytseo-input,
.ytseo-select {
  transition: border-color .22s ease, box-shadow .22s ease, background .22s ease, transform .15s ease !important;
}
.ytseo-textarea:focus,
.ytseo-input:focus,
.ytseo-select:focus {
  transform: translateY(-1px);
}

/* ── Label pop on field focus ── */
.ytseo-field:focus-within .ytseo-label {
  color: var(--ytseo-primary);
  transition: color .2s ease;
}

/* ── Generate button — ripple + gradient sweep ── */
.ytseo-btn--primary {
  background: linear-gradient(135deg, var(--ytseo-primary) 0%, #a78bfa 50%, #ff6b9d 100%) !important;
  background-size: 200% auto !important;
  transition: all .3s ease, background-position .6s ease !important;
  position: relative;
  overflow: hidden;
}
.ytseo-btn--primary:hover:not(:disabled) {
  background-position: right center !important;
  transform: translateY(-2px) scale(1.01) !important;
  box-shadow: 0 8px 28px rgba(108,71,255,.5) !important;
}
.ytseo-btn--primary:active:not(:disabled) {
  transform: translateY(0) scale(0.98) !important;
  box-shadow: 0 3px 10px rgba(108,71,255,.3) !important;
}
/* Ripple element */
.ytseo-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  animation: ytseo-ripple-expand .55s linear;
  pointer-events: none;
}
@keyframes ytseo-ripple-expand {
  to { transform: scale(4); opacity: 0; }
}

/* ── Star bounce on button ── */
@keyframes ytseo-star-bounce {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  30%       { transform: translateY(-8px) rotate(-15deg); }
  60%       { transform: translateY(-3px) rotate(8deg); }
}
.ytseo-star-bounce {
  display: inline-block;
  animation: ytseo-star-bounce 2s ease-in-out infinite;
}
.ytseo-btn:disabled .ytseo-star-bounce { animation: none; }

/* ── Results card entrance stagger ── */
.ytseo-results-card {
  animation: ytseo-card-pop .45s cubic-bezier(.34,1.3,.64,1) both !important;
}
.ytseo-results-card:nth-child(1) { animation-delay: 0s !important; }
.ytseo-results-card:nth-child(2) { animation-delay: .12s !important; }
.ytseo-results-card:nth-child(3) { animation-delay: .24s !important; }
@keyframes ytseo-card-pop {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.ytseo-results-card {
  transition: box-shadow .25s ease, transform .25s ease !important;
}
.ytseo-results-card:hover {
  box-shadow: 0 8px 36px rgba(108,71,255,.13) !important;
  transform: translateY(-2px);
}

/* ── Title rows stagger in ── */
.ytseo-title-row {
  animation: ytseo-entrance-up .35s cubic-bezier(.4,0,.2,1) both;
  transition: border-color .2s ease, background .2s ease, transform .2s ease !important;
}
.ytseo-title-row:hover {
  background: var(--ytseo-primary-light) !important;
  transform: translateX(4px);
}
/* stagger delays applied by JS */

/* ── Tag chips pop in ── */
.ytseo-chip {
  animation: ytseo-chip-pop .3s cubic-bezier(.34,1.56,.64,1) both;
  transition: all .18s ease !important;
}
@keyframes ytseo-chip-pop {
  from { opacity: 0; transform: scale(0.5); }
  to   { opacity: 1; transform: scale(1); }
}
.ytseo-chip:hover {
  transform: scale(1.08) !important;
  box-shadow: 0 4px 14px rgba(108,71,255,.25);
}
.ytseo-chip:active { transform: scale(0.94) !important; }
/* stagger delays applied by JS */

/* ── Copy button feedback ── */
.ytseo-copy-btn {
  transition: all .2s ease !important;
  position: relative;
  overflow: hidden;
}
.ytseo-copy-btn:hover {
  transform: scale(1.05);
}
.ytseo-copy-btn:active {
  transform: scale(0.94);
}
.ytseo-copy-btn.ytseo--copied {
  animation: ytseo-copy-success .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes ytseo-copy-success {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}
.ytseo-title-copy {
  transition: all .18s ease !important;
}
.ytseo-title-copy.ytseo--copied {
  animation: ytseo-copy-success .4s cubic-bezier(.34,1.56,.64,1);
}

/* ── Counter pulse when near limit ── */
.ytseo-counter.ytseo--warn {
  animation: ytseo-counter-warn .4s ease;
  color: #f59e0b !important;
}
.ytseo-counter.ytseo--danger {
  color: var(--ytseo-accent) !important;
  animation: ytseo-counter-warn .25s ease;
}
@keyframes ytseo-counter-warn {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.2); }
}

/* ── Empty state emoji orbit ── */
.ytseo-empty__icon {
  font-size: 52px;
  margin-bottom: 14px;
  display: block;
  animation: ytseo-icon-float 3s ease-in-out infinite;
}
@keyframes ytseo-icon-float {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50%       { transform: translateY(-10px) rotate(4deg); }
}

/* ── Toast slide in ── */
.ytseo-toast {
  animation: ytseo-toast-in .35s cubic-bezier(.34,1.3,.64,1) !important;
}
@keyframes ytseo-toast-in {
  from { opacity: 0; transform: translateY(-12px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Footer power bolt pulse ── */
.ytseo-footer__left {
  animation: ytseo-bolt-pulse 2.5s ease-in-out infinite;
}
@keyframes ytseo-bolt-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .55; }
}

/* ── Badge pop on results ── */
.ytseo-badge {
  animation: ytseo-badge-pop .5s cubic-bezier(.34,1.56,.64,1) .4s both;
}
@keyframes ytseo-badge-pop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ── Secondary button hover ── */
.ytseo-btn--secondary {
  transition: all .2s ease !important;
  position: relative;
  overflow: hidden;
}
.ytseo-btn--secondary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(108,71,255,.25);
}
.ytseo-btn--secondary:active:not(:disabled) {
  transform: translateY(0) scale(0.97);
}

/* ── Description box animate on fill ── */
.ytseo-description-box.ytseo--filled {
  animation: ytseo-box-glow .6s ease;
}
@keyframes ytseo-box-glow {
  0%   { box-shadow: 0 0 0 0 rgba(108,71,255,.4); }
  50%  { box-shadow: 0 0 0 6px rgba(108,71,255,.15); }
  100% { box-shadow: 0 0 0 0 rgba(108,71,255,0); }
}

/* ── Micro-toast animation ── */
.ytseo-micro-toast {
  animation: ytseo-micro-in .25s cubic-bezier(.34,1.3,.64,1), ytseo-micro-out .25s ease 1.5s forwards;
}
@keyframes ytseo-micro-in {
  from { opacity: 0; transform: translateX(-50%) translateY(16px) scale(0.9); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
@keyframes ytseo-micro-out {
  to   { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* Button Loading Progress Bar */
.ytseo-btn--primary:disabled::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background: rgba(255, 255, 255, 0.4);
  animation: ytseo-btn-progress 30s linear forwards;
}

@keyframes ytseo-btn-progress {
  0% { width: 0%; }
  100% { width: 100%; }
}

.ytseo-btn-loader-emoji {
  font-size: 18px;
  animation: ytseo-emoji-rotate 3s ease-in-out infinite;
  transition: opacity 0.3s ease;
}

.ytseo-btn-loader-text {
  font-size: 15px;
  transition: opacity 0.3s ease;
}