/* ============================================================
   FileFlux — style.css
   Author: Avinash Walton
   ============================================================ */

/* ── Variables ── */
:root {
  --c-bg:        #0b0e17;
  --c-surface:   #111624;
  --c-surface2:  #181e30;
  --c-border:    rgba(255,255,255,0.07);
  --c-accent:    #f5a623;
  --c-accent2:   #ff6b35;
  --c-text:      #e8eaf0;
  --c-muted:     #7a859a;
  --c-yt:        #ff0000;
  --c-fb:        #1877f2;
  --c-tw:        #000000;
  --c-ig-from:   #f09433;
  --c-ig-to:     #c13584;
  --c-th:        #000000;
  --c-li:        #0a66c2;

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --shadow:      0 4px 32px rgba(0,0,0,0.4);
  --shadow-lg:   0 8px 60px rgba(0,0,0,0.6);
  --transition:  0.22s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Typography ── */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); font-weight: 700; }

/* ── Section Titles ── */
.section-title {
  text-align: center;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #fff 30%, var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  text-align: center;
  color: var(--c-muted);
  margin-bottom: 40px;
  font-size: 1rem;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,14,23,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.3px;
}
.logo-icon { font-size: 1.5rem; }
.logo-text {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  color: var(--c-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--c-accent);
  transition: width var(--transition);
}
.main-nav a:hover { color: var(--c-text); }
.main-nav a:hover::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}
.mobile-nav.open { max-height: 200px; }
.mobile-nav a {
  display: block;
  padding: 14px 24px;
  color: var(--c-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--c-border);
  transition: color var(--transition), background var(--transition);
}
.mobile-nav a:hover { color: var(--c-text); background: var(--c-surface2); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 100px 0 60px;
  overflow: hidden;
  text-align: center;
  z-index: 0;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,166,35,0.12) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.25);
  color: var(--c-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease both;
}

h1.hero h1 { animation: fadeInUp 0.7s ease 0.1s both; }
.hero h1 {
  animation: fadeInUp 0.7s ease 0.15s both;
  margin-bottom: 20px;
}
.accent {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: var(--c-muted);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  max-width: 620px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.7s ease 0.25s both;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  color: #0b0e17;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: 50px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 24px rgba(245,166,35,0.3);
  animation: fadeInUp 0.7s ease 0.35s both;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(245,166,35,0.45);
}

/* Ticker */
.hero-ticker {
  margin-top: 56px;
  overflow: hidden;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 0;
  background: rgba(255,255,255,0.02);
}
.ticker-track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  animation: ticker 20s linear infinite;
}
.ticker-track span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--c-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.ticker-track span::before {
  content: '•';
  margin-right: 40px;
  color: var(--c-accent);
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   CONVERTERS SECTION
   ============================================================ */
.converters-section {
  padding: 80px 0 60px;
  position: relative;
  z-index: 1;
}

/* Tab Grid */
.tab-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
  position: relative;
  z-index: 2;
}

.tab-btn {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 8px 16px;
  border-radius: 50px;
  transition: all var(--transition);
  letter-spacing: 0.3px;
  cursor: pointer;
  pointer-events: all;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  z-index: 2;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.tab-btn:hover {
  border-color: rgba(245,166,35,0.4);
  color: var(--c-text);
  background: var(--c-surface2);
}
.tab-btn:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}
.tab-btn.active {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  border-color: transparent;
  color: #0b0e17;
}

/* Tab Panels */
.tab-panel { display: none; animation: fadeIn 0.3s ease; }
.tab-panel.active { display: block; }

.panel-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}
.panel-card h3 {
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 50%, var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.panel-desc {
  color: var(--c-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

/* Drop Zone */
.drop-zone {
  display: block;
  border: 2px dashed rgba(245,166,35,0.3);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: rgba(245,166,35,0.03);
  margin-bottom: 20px;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--c-accent);
  background: rgba(245,166,35,0.07);
}
.drop-zone.has-file { border-color: rgba(100,255,150,0.4); background: rgba(100,255,150,0.04); }

.dz-inner { pointer-events: none; }
.dz-icon { font-size: 2.5rem; margin-bottom: 10px; }
.dz-text { font-weight: 500; color: var(--c-muted); margin-bottom: 4px; }
.dz-text span { color: var(--c-accent); text-decoration: underline; }
.dz-hint { font-size: 0.8rem; color: var(--c-muted); opacity: 0.7; }

/* Options */
.options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}
.options-row label, .options-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--c-muted);
  font-weight: 500;
}
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

/* Form Controls */
input[type="text"],
input[type="number"],
textarea,
select {
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  padding: 9px 12px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}
input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  border-color: var(--c-accent);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group label { font-size: 0.85rem; color: var(--c-muted); font-weight: 500; }

.slider {
  -webkit-appearance: none;
  width: 180px;
  height: 4px;
  background: var(--c-surface2);
  border-radius: 2px;
  outline: none;
  margin-top: 4px;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--c-accent);
  cursor: pointer;
}

.color-input {
  width: 48px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: transparent;
  cursor: pointer;
  padding: 2px;
}

.checkbox-label {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  cursor: pointer;
}
.checkbox-label input { width: auto; }

/* Buttons */
.btn-convert {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  color: #0b0e17;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(245,166,35,0.25);
  margin-top: 16px;
  width: 100%;
}
.btn-convert:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245,166,35,0.4);
}
.btn-convert:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  margin-top: 10px;
}
.btn-secondary:hover { border-color: var(--c-accent); color: var(--c-accent); }

.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Preview */
.preview-area {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}
.preview-area img {
  max-width: 200px;
  max-height: 200px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  object-fit: contain;
}
.preview-area canvas {
  max-width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
}

/* Progress */
.progress-wrap {
  margin: 14px 0;
}
.progress-bar {
  height: 6px;
  background: var(--c-surface2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent2));
  border-radius: 3px;
  width: 0%;
  transition: width 0.3s ease;
}
#pdf2img-status, #ocr-status, #pdf2txt-status {
  font-size: 0.82rem;
  color: var(--c-muted);
}

/* Info Badge */
.info-badge {
  display: inline-block;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.2);
  color: var(--c-accent);
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 50px;
  margin-top: 8px;
}

/* OCR result textarea */
#ocr-result, #pdf2txt-result {
  width: 100%;
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  color: var(--c-text);
  padding: 14px;
  font-size: 0.9rem;
  resize: vertical;
  margin-top: 12px;
}
#ocr-result-wrap, #pdf2txt-result-wrap { width: 100%; }

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features-section {
  padding: 80px 0;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: rgba(245,166,35,0.35);
  transform: translateY(-3px);
}
.feat-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.feature-card p { color: var(--c-muted); font-size: 0.9rem; }

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-section {
  padding: 80px 0;
}
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: rgba(245,166,35,0.35); }
.faq-item summary {
  padding: 18px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.97rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--c-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: var(--c-accent); }
.faq-item p {
  padding: 0 22px 18px;
  color: var(--c-muted);
  font-size: 0.92rem;
  border-top: 1px solid var(--c-border);
  padding-top: 14px;
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 56px 0 32px;
}

.footer-brand {
  text-align: center;
  margin-bottom: 40px;
}
.footer-brand .logo-icon { font-size: 2rem; }
.footer-brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 8px;
}
.footer-tagline {
  color: var(--c-muted);
  font-size: 0.88rem;
  margin-top: 6px;
}

/* Social Badges */
.social-section {
  text-align: center;
  margin-bottom: 40px;
}
.social-label {
  font-size: 0.82rem;
  color: var(--c-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 18px;
}
.social-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.social-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 50px;
  font-size: 0.83rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  font-family: var(--font-display);
}
.social-badge svg { width: 16px; height: 16px; flex-shrink: 0; }

.social-badge.yt  { background: rgba(255,0,0,0.1);   border-color: rgba(255,0,0,0.25);   color: #ff4444; }
.social-badge.fb  { background: rgba(24,119,242,0.1); border-color: rgba(24,119,242,0.25); color: #4a9eff; }
.social-badge.tw  { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.15); color: var(--c-text); }
.social-badge.ig  { background: rgba(193,53,132,0.1); border-color: rgba(193,53,132,0.25); color: #e1409a; }
.social-badge.th  { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.15); color: var(--c-text); }
.social-badge.li  { background: rgba(10,102,194,0.1);  border-color: rgba(10,102,194,0.25);  color: #5aabff; }

.social-badge.yt:hover  { background: rgba(255,0,0,0.2);   transform: translateY(-2px); }
.social-badge.fb:hover  { background: rgba(24,119,242,0.2); transform: translateY(-2px); }
.social-badge.tw:hover  { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.social-badge.ig:hover  { background: rgba(193,53,132,0.2); transform: translateY(-2px); }
.social-badge.th:hover  { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.social-badge.li:hover  { background: rgba(10,102,194,0.2);  transform: translateY(-2px); }

/* Footer Bottom */
.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
}
.made-with {
  font-size: 0.95rem;
  color: var(--c-muted);
  margin-bottom: 6px;
}
.made-with strong { color: var(--c-text); }
.heart {
  display: inline-block;
  animation: heartbeat 1.2s ease infinite;
}
.copyright {
  font-size: 0.8rem;
  color: var(--c-muted);
  opacity: 0.6;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.9rem;
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { border-color: rgba(80,220,120,0.4); color: #6fd98d; }
.toast.error   { border-color: rgba(255,80,80,0.4);  color: #ff7070; }
.toast.info    { border-color: rgba(245,166,35,0.4); color: var(--c-accent); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: none; } }
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.2); }
  50% { transform: scale(1); }
  75% { transform: scale(1.15); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }

  .hero { padding: 70px 0 40px; }
  .panel-card { padding: 22px 16px; }
  .options-grid { grid-template-columns: 1fr 1fr; }
  .tab-grid { gap: 6px; }
  .tab-btn { font-size: 0.75rem; padding: 7px 12px; }
  .features-grid { grid-template-columns: 1fr; }
  .social-badges { gap: 8px; }
  .social-badge { padding: 8px 12px; font-size: 0.78rem; }
  .btn-row { flex-direction: column; }
  .btn-row .btn-secondary,
  .btn-row .btn-convert { width: 100%; }
}

@media (max-width: 480px) {
  .options-grid { grid-template-columns: 1fr; }
  .options-row { flex-direction: column; }
  .preview-area img { max-width: 100%; }
  .tab-grid { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .tab-grid::-webkit-scrollbar { height: 3px; }
  .tab-grid::-webkit-scrollbar-thumb { background: var(--c-accent); border-radius: 3px; }
  .tab-btn { flex-shrink: 0; }
}



/* ============================================================
   COMPRESS MODE TOGGLE
   ============================================================ */
.compress-mode-toggle {
  display: flex;
  gap: 0;
  margin: 20px 0 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--c-border);
  width: fit-content;
}
.mode-btn {
  background: var(--c-surface2);
  border: none;
  color: var(--c-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 9px 20px;
  cursor: pointer;
  transition: all var(--transition);
  pointer-events: all;
}
.mode-btn:first-child { border-right: 1px solid var(--c-border); }
.mode-btn.active {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  color: #0b0e17;
}
.mode-btn:hover:not(.active) { background: var(--c-surface); color: var(--c-text); }

/* ============================================================
   TARGET SIZE ROW (PDF Resizer / Merger / Compressor)
   ============================================================ */
.target-size-row {
  margin: 16px 0 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.targetsize-inputs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  background: rgba(245,166,35,0.06);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.targetsize-inputs input[type="number"] {
  width: 120px;
  flex-shrink: 0;
}
.targetsize-inputs select {
  width: 80px;
  flex-shrink: 0;
}
.targetsize-hint {
  font-size: 0.78rem;
  color: var(--c-muted);
  flex: 1;
  min-width: 160px;
  line-height: 1.5;
}

/* ============================================================
   PDF MERGE FILE LIST
   ============================================================ */
.merge-file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0;
}
.merge-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  cursor: grab;
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}
.merge-file-item:active { cursor: grabbing; }
.merge-file-item.dragging {
  opacity: 0.45;
  border-color: var(--c-accent);
}
.merge-file-item.drag-over {
  border-color: var(--c-accent);
  background: rgba(245,166,35,0.08);
}
.merge-file-drag-handle {
  color: var(--c-muted);
  font-size: 1.1rem;
  flex-shrink: 0;
  cursor: grab;
}
.merge-file-name {
  flex: 1;
  font-size: 0.88rem;
  color: var(--c-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.merge-file-size {
  font-size: 0.78rem;
  color: var(--c-muted);
  flex-shrink: 0;
}
.merge-file-remove {
  background: none;
  border: none;
  color: var(--c-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.merge-file-remove:hover { color: #ff7070; background: rgba(255,80,80,0.1); }
.merge-list-hint {
  font-size: 0.78rem;
  color: var(--c-muted);
  margin-top: 4px;
  text-align: center;
  opacity: 0.7;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-surface2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-accent); }

/* Selection */
::selection { background: rgba(245,166,35,0.25); color: var(--c-text); }