/* ===========================
   GOOGLE FONTS
=========================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===========================
   DESIGN TOKENS
=========================== */
:root {
  /* Backgrounds */
  --bg-dark:        #080a12;
  --bg-card:        rgba(255, 255, 255, 0.04);
  --bg-card-hover:  rgba(255, 255, 255, 0.07);
  --bg-input:       rgba(255, 255, 255, 0.05);

  /* Borders */
  --border:         rgba(255, 255, 255, 0.09);
  --border-focus:   rgba(139, 92, 246, 0.6);
  --border-active:  rgba(139, 92, 246, 0.4);

  /* Primary purple-indigo palette */
  --primary:        #8b5cf6;
  --primary-2:      #6366f1;
  --primary-glow:   rgba(139, 92, 246, 0.35);
  --primary-hover:  #a78bfa;
  --gradient:       linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #4f46e5 100%);
  --gradient-alt:   linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);

  /* Accent colours */
  --green:          #10b981;
  --green-glow:     rgba(16, 185, 129, 0.3);
  --danger:         #ef4444;
  --warning:        #f59e0b;

  /* Text */
  --text-main:      #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted:     #4e6080;

  /* Radii */
  --radius:         18px;
  --radius-sm:      12px;
  --radius-xs:      8px;

  /* Transitions */
  --transition:     all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  position: relative;
}

/* ===========================
   BACKGROUND MESH
=========================== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(99,102,241,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 90%,  rgba(236,72,153,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 60% 50%,  rgba(59,130,246,0.08) 0%, transparent 60%);
  z-index: -2;
  pointer-events: none;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
  animation: orbFloat 18s infinite alternate ease-in-out;
}
.orb-1 { width: 500px; height: 500px; background: rgba(99,102,241,0.22); top: -180px; left: -150px; }
.orb-2 { width: 400px; height: 400px; background: rgba(236,72,153,0.14); bottom: -100px; right: -100px; animation-delay: -7s; }
.orb-3 { width: 350px; height: 350px; background: rgba(59,130,246,0.12); top: 45%; left: 55%; animation-delay: -14s; }

@keyframes orbFloat {
  0%   { transform: scale(1)   translate(0, 0); }
  50%  { transform: scale(1.1) translate(4%, 4%); }
  100% { transform: scale(1.2) translate(8%, -6%); }
}

/* ===========================
   LAYOUT
=========================== */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 36px 22px 80px;
}

/* ===========================
   HEADER
=========================== */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
  padding: 18px 24px;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.06);
  position: sticky;
  top: 16px;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-icon {
  font-size: 2.2rem;
  filter: drop-shadow(0 0 12px rgba(139,92,246,0.5));
}
.logo h1 {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--text-main);
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo .tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1px;
  letter-spacing: 0.02em;
}

.auto-badge {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: var(--gradient);
  color: #fff;
  padding: 3px 9px;
  border-radius: 20px;
  text-transform: uppercase;
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition);
  box-shadow: 0 0 12px var(--primary-glow);
}
.auto-badge.active {
  opacity: 1;
  transform: scale(1);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.credit-badge {
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.25);
  padding: 8px 16px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  min-width: 68px;
}
.credit-label {
  font-size: 0.62rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.credit-count {
  font-weight: 800;
  color: #fff;
  font-size: 1.15rem;
  line-height: 1;
}

/* ===========================
   FEATURE STRIP
=========================== */
.pricing-header {
  margin-bottom: 32px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.pricing-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  padding: 22px 18px;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: var(--transition);
  cursor: default;
}
.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 28px rgba(0,0,0,0.25);
}
.pricing-card.highlighted {
  border-color: rgba(139,92,246,0.45);
  background: rgba(139,92,246,0.08);
  box-shadow: 0 0 30px rgba(139,92,246,0.12);
}
.pricing-card .p-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
  display: block;
}
.pricing-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}
.pricing-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===========================
   STEP CARDS
=========================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  margin-bottom: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.4), transparent);
  pointer-events: none;
}
.card.locked {
  opacity: 0.4;
  pointer-events: none;
  filter: grayscale(0.4);
}
.card.hidden { display: none; }

.card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient);
  font-size: 0.68rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 18px var(--primary-glow);
  letter-spacing: 0.04em;
}
.card-header h2 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.2px;
}
.card-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 3px;
}
.badge-format {
  margin-left: auto;
  background: rgba(139,92,246,0.12);
  border: 1px solid rgba(139,92,246,0.3);
  color: var(--primary-hover);
  font-size: 0.7rem;
  padding: 5px 12px;
  border-radius: 20px;
  cursor: help;
  white-space: nowrap;
  font-weight: 600;
}

/* ===========================
   DROP ZONE
=========================== */
.drop-zone {
  border: 2px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 44px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 18px;
  background: rgba(255,255,255,0.015);
  position: relative;
  overflow: hidden;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--primary);
  background: rgba(139,92,246,0.06);
  box-shadow: 0 0 40px rgba(139,92,246,0.12), inset 0 0 30px rgba(139,92,246,0.04);
}
.drop-icon {
  font-size: 3rem;
  margin-bottom: 14px;
  display: block;
  filter: drop-shadow(0 0 16px rgba(139,92,246,0.4));
  animation: iconBounce 3s ease-in-out infinite;
}
@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}
.drop-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.drop-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.file-selected {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 4px;
}
.file-icon { font-size: 2.2rem; filter: drop-shadow(0 0 8px rgba(34,197,94,0.4)); }
.file-info { flex: 1; min-width: 0; }
.file-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--green);
  word-break: break-all;
}
.file-meta { font-size: 0.76rem; color: var(--text-muted); margin-top: 3px; }

/* ===========================
   PROGRESS BAR
=========================== */
.upload-progress { margin-top: 16px; }
.progress-bar {
  width: 100%;
  height: 5px;
  background: rgba(255,255,255,0.07);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 3px;
  width: 0%;
  transition: width 0.28s ease;
  box-shadow: 0 0 12px var(--primary-glow);
  position: relative;
}
.progress-fill::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40px; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
  animation: progressShine 1.5s linear infinite;
}
@keyframes progressShine {
  from { transform: translateX(-40px); }
  to   { transform: translateX(0); }
}
.progress-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 8px;
  font-weight: 500;
}

/* ===========================
   AI BOXES
=========================== */
.ai-analyze-box {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.06));
  border: 1px solid rgba(99,102,241,0.28);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.ai-analyze-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.06), transparent);
  animation: shimmer 3.5s ease-in-out infinite;
}
@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.whisper-box {
  background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(5,150,105,0.06));
  border-color: rgba(16,185,129,0.3);
}
.whisper-box::before {
  background: linear-gradient(90deg, transparent, rgba(16,185,129,0.06), transparent);
}

.ai-icon { font-size: 1.9rem; flex-shrink: 0; position: relative; z-index: 1; }
.ai-text { flex: 1; min-width: 0; position: relative; z-index: 1; }
.ai-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}
.ai-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-top: 3px;
  line-height: 1.5;
}

.ai-status {
  font-size: 0.82rem;
  padding: 11px 16px;
  border-radius: var(--radius-xs);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 500;
}
.ai-status.loading {
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.2);
  color: #a5b4fc;
}
.ai-status.success {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.22);
  color: #34d399;
}
.ai-status.error {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.22);
  color: #f87171;
}
.ai-status-spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(99,102,241,0.25);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  flex-shrink: 0;
}

/* ===========================
   TRANSCRIPT PANEL
=========================== */
.transcript-panel {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(16,185,129,0.22);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
  animation: slideIn 0.25s ease;
}
.transcript-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: rgba(16,185,129,0.07);
  border-bottom: 1px solid rgba(16,185,129,0.18);
}
.transcript-panel-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green);
}
.transcript-output {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.74rem;
  line-height: 1.75;
  color: var(--text-secondary);
  padding: 14px 18px;
  max-height: 250px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  scrollbar-width: thin;
  scrollbar-color: rgba(16,185,129,0.3) transparent;
}
.transcript-output::-webkit-scrollbar { width: 4px; }
.transcript-output::-webkit-scrollbar-track { background: transparent; }
.transcript-output::-webkit-scrollbar-thumb { background: rgba(16,185,129,0.3); border-radius: 2px; }

/* ===========================
   MODE TOGGLE
=========================== */
.paste-toggle {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  background: rgba(255,255,255,0.03);
  padding: 4px;
  border-radius: var(--radius-xs);
  width: fit-content;
  border: 1px solid var(--border);
}
.paste-toggle .btn.active {
  background: rgba(139,92,246,0.22);
  color: var(--primary-hover);
  font-weight: 600;
}

/* ===========================
   SEGMENTS
=========================== */
.segments-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.segment-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: var(--transition);
  animation: slideIn 0.2s ease;
}
.segment-row:hover {
  border-color: rgba(139,92,246,0.25);
  background: rgba(139,92,246,0.04);
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.seg-fields {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.seg-transcript-wrap {
  width: 100%;
  padding-left: 36px;
}
.seg-transcript {
  font-size: 0.74rem;
  color: var(--text-secondary);
  padding: 7px 12px;
  background: rgba(255,255,255,0.03);
  border-left: 2px solid rgba(139,92,246,0.35);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  line-height: 1.5;
  font-style: italic;
}

.segment-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(139,92,246,0.15);
  border: 1px solid rgba(139,92,246,0.25);
  color: var(--primary-hover);
  font-size: 0.68rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.segment-row input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-main);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  padding: 8px 12px;
  outline: none;
  transition: var(--transition);
  min-width: 0;
}
.segment-row input:focus {
  border-color: var(--border-focus);
  background: rgba(139,92,246,0.06);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.12);
}
.segment-row input::placeholder { color: var(--text-muted); }

.seg-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 600;
  white-space: nowrap;
}
.remove-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 5px 7px;
  border-radius: var(--radius-xs);
  transition: var(--transition);
  line-height: 1;
  flex-shrink: 0;
}
.remove-btn:hover {
  color: var(--danger);
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.2);
}

/* ===========================
   PASTE MODE
=========================== */
.paste-instructions {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.paste-instructions code {
  display: block;
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--primary-hover);
  line-height: 1.9;
  font-size: 0.78rem;
}
.paste-textarea {
  width: 100%;
  min-height: 130px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  padding: 14px;
  resize: vertical;
  outline: none;
  transition: var(--transition);
  margin-bottom: 10px;
}
.paste-textarea:focus {
  border-color: var(--border-focus);
  background: rgba(139,92,246,0.05);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.12);
}

/* ===========================
   RESULTS
=========================== */
.processing-state {
  text-align: center;
  padding: 36px 0;
}
.spinner {
  width: 46px; height: 46px;
  border: 3px solid rgba(139,92,246,0.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin: 0 auto 18px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.processing-text { font-size: 0.97rem; font-weight: 700; color: var(--text-main); }
.processing-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 7px; }

.results-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.result-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid;
  animation: slideIn 0.22s ease;
  transition: var(--transition);
}
.result-item:hover { transform: translateX(3px); }
.result-item.success {
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.22);
}
.result-item.error {
  background: rgba(239,68,68,0.06);
  border-color: rgba(239,68,68,0.22);
}
.result-icon { font-size: 1.3rem; flex-shrink: 0; }
.result-details { flex: 1; min-width: 0; }
.result-name { font-size: 0.9rem; font-weight: 700; color: var(--text-main); }
.result-time { font-size: 0.74rem; color: var(--text-muted); margin-top: 3px; font-family: 'JetBrains Mono', monospace; }
.result-error { font-size: 0.78rem; color: var(--danger); margin-top: 3px; }

.result-video-wrapper {
  width: 140px;
  height: 80px;
  border-radius: var(--radius-xs);
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
  transition: var(--transition);
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
}
.result-video-wrapper:hover {
  transform: scale(1.05);
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}
.result-video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.result-video-wrapper .play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  font-size: 1.4rem;
  color: #fff;
}
.result-video-wrapper:hover .play-overlay { opacity: 1; }

@media (max-width: 540px) {
  .result-item { flex-wrap: wrap; }
  .result-video-wrapper { width: 100%; height: 160px; }
}

.output-info {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  padding: 12px 18px;
  background: rgba(139,92,246,0.07);
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-xs);
  font-family: inherit;
  font-size: 0.87rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.15s;
}
.btn:hover::after { background: rgba(255,255,255,0.06); }
.btn:active::after { background: rgba(255,255,255,0.12); }
.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 18px var(--primary-glow);
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--primary-glow);
}
.btn-primary:disabled { background: #1e2a40; box-shadow: none; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--border-active);
  color: var(--primary-hover);
  background: rgba(139,92,246,0.06);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-ai {
  background: var(--gradient);
  color: #fff;
  border: none;
  padding: 9px 18px;
  font-size: 0.83rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 0 18px rgba(99,102,241,0.3);
  position: relative;
  z-index: 1;
}
.btn-ai:hover {
  box-shadow: 0 0 28px rgba(99,102,241,0.5);
  transform: translateY(-2px);
}

.btn-whisper {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  padding: 9px 18px;
  font-size: 0.83rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 0 18px rgba(16,185,129,0.28);
  position: relative;
  z-index: 1;
}
.btn-whisper:hover {
  box-shadow: 0 0 28px rgba(16,185,129,0.45);
  transform: translateY(-2px);
}

.btn-full { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 0.78rem; }
.mt-2 { margin-top: 16px; }

/* ===========================
   MODAL
=========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8,10,18,0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay:not(.hidden) {
  opacity: 1;
  visibility: visible;
}
.modal-content {
  background: #0e1220;
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: 24px;
  width: 92%;
  max-width: 480px;
  padding: 36px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04) inset;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-overlay:not(.hidden) .modal-content {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(239,68,68,0.1); color: var(--danger); border-color: rgba(239,68,68,0.25); }

.modal-header { text-align: center; margin-bottom: 26px; }
.modal-icon { font-size: 3rem; display: block; margin-bottom: 14px; filter: drop-shadow(0 0 16px rgba(139,92,246,0.5)); }
.modal-header h2 { margin: 0; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.4px; }

.modal-body { text-align: center; }
.modal-body > p { color: var(--text-muted); margin-bottom: 26px; font-size: 0.88rem; line-height: 1.6; }

.pricing-tiers {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
}
.tier {
  flex: 1;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 14px;
  text-align: center;
  transition: var(--transition);
}
.tier.featured {
  border-color: rgba(139,92,246,0.4);
  background: rgba(139,92,246,0.07);
  box-shadow: 0 0 24px rgba(139,92,246,0.14);
}
.tier h4 { margin: 0 0 8px; font-size: 0.84rem; color: var(--text-muted); font-weight: 600; }
.tier .price {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.tier p { margin: 0; font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; }

.payment-contact {
  background: rgba(139,92,246,0.06);
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 24px;
}
.payment-contact > p { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 8px !important; }
.email-link {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-hover);
  text-decoration: none;
  margin: 6px 0;
  letter-spacing: 0.01em;
}
.email-link:hover { text-decoration: underline; color: #fff; }
.sub-text { font-size: 0.72rem !important; color: var(--text-muted) !important; margin: 0 !important; }

.modal-footer { margin-top: 4px; }

/* ===========================
   UTILITIES
=========================== */
.hidden { display: none !important; }

/* Responsive */
@media (max-width: 640px) {
  .container { padding: 20px 14px 60px; }
  .app-header { flex-direction: column; gap: 16px; padding: 16px; top: 10px; }
  .header-right { width: 100%; justify-content: space-between; }
  .pricing-grid { grid-template-columns: 1fr; }
  .card { padding: 20px 18px; }
  .seg-fields { flex-wrap: wrap; }
  .segment-row input { min-width: 100px; }
  .pricing-tiers { flex-direction: column; }
}