/* ===================================================
   ConsistentVideo — Design System
   Dark Futuristic Theme | Purple/Blue Gradient
   =================================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");

/* ── CSS Variables ─────────────────────────────────── */
:root {
  --bg-base:        #07070E;
  --bg-surface:     #0D0D1A;
  --bg-card:        #111125;
  --bg-card-hover:  #16162E;
  --bg-glass:       rgba(17,17,37,0.7);
  --purple-500:     #7C3AED;
  --purple-400:     #8B5CF6;
  --purple-300:     #A78BFA;
  --blue-500:       #3B82F6;
  --blue-400:       #60A5FA;
  --accent-grad:    linear-gradient(135deg, #7C3AED 0%, #3B82F6 100%);
  --green-500:      #22C55E;
  --green-400:      #4ADE80;
  --red-500:        #EF4444;
  --yellow-500:     #EAB308;
  --text-primary:   #F1F0FF;
  --text-secondary: #A09FC0;
  --text-muted:     #5D5C80;
  --border-subtle:  rgba(255,255,255,0.06);
  --border-card:    rgba(255,255,255,0.09);
  --border-accent:  rgba(124,58,237,0.4);
  --shadow-glow:    0 0 30px rgba(124,58,237,0.3);
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-spring: 300ms cubic-bezier(0.34,1.56,0.64,1);
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(124,58,237,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(59,130,246,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 60% 10%, rgba(124,58,237,0.04) 0%, transparent 50%);
}

h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.2; color: var(--text-primary); }
h1 { font-size: clamp(2rem,5vw,3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem,3vw,2.25rem); }
h3 { font-size: clamp(1.25rem,2vw,1.75rem); }
h4 { font-size: 1.125rem; }
p  { color: var(--text-secondary); line-height: 1.7; }
a  { color: var(--purple-300); text-decoration: none; }
a:hover { color: var(--text-primary); }

.text-gradient {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::after { content:""; position:absolute; inset:0; background:rgba(255,255,255,0); transition:background var(--transition-fast); }
.btn:hover::after { background: rgba(255,255,255,0.08); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity:0.4; cursor:not-allowed; pointer-events:none; }

.btn-primary { background: var(--accent-grad); color:#fff; box-shadow: 0 4px 15px rgba(124,58,237,0.4); }
.btn-primary:hover { box-shadow: 0 6px 25px rgba(124,58,237,0.6); transform: translateY(-1px); }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border-card); }
.btn-secondary:hover { border-color: var(--border-accent); background: var(--bg-card-hover); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-subtle); }
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.btn-lock { background: linear-gradient(135deg,#1a4a2e,#16653f); color: var(--green-400); border: 1px solid rgba(74,222,128,0.3); }
.btn-lock:hover { box-shadow: 0 0 20px rgba(34,197,94,0.3); transform: translateY(-1px); }
.btn-unlock { background: rgba(239,68,68,0.1); color: var(--red-500); border: 1px solid rgba(239,68,68,0.3); }
.btn-unlock:hover { background: rgba(239,68,68,0.2); }
.btn-google { background:#fff; color:#1F1F1F; font-weight:600; padding:14px 32px; border-radius: var(--radius-md); box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.btn-google:hover { box-shadow: 0 6px 25px rgba(0,0,0,0.4); transform: translateY(-1px); }

.card { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); padding: var(--space-lg); backdrop-filter: blur(12px); transition: all var(--transition-base); }
.card:hover { border-color: var(--border-accent); box-shadow: var(--shadow-glow); }
.card-glass { background: var(--bg-glass); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); backdrop-filter: blur(20px); }

.form-group { display:flex; flex-direction:column; gap: var(--space-sm); }
.form-label { font-size:0.875rem; font-weight:600; color: var(--text-secondary); text-transform:uppercase; letter-spacing:0.05em; }
.form-input, .form-textarea, .form-select {
  width:100%; padding:12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: all var(--transition-base);
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--purple-500);
  background: rgba(124,58,237,0.05);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize:vertical; min-height:100px; }
.form-select { cursor:pointer; appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235D5C80' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:40px; }
.form-input:disabled, .form-textarea:disabled, .form-select:disabled { opacity:0.5; cursor:not-allowed; }

.badge { display:inline-flex; align-items:center; gap:4px; padding:4px 10px; border-radius: var(--radius-full); font-size:0.75rem; font-weight:600; text-transform:uppercase; letter-spacing:0.04em; }
.badge-purple { background:rgba(124,58,237,0.2); color: var(--purple-300); border:1px solid rgba(124,58,237,0.3); }
.badge-green  { background:rgba(34,197,94,0.15); color: var(--green-400); border:1px solid rgba(34,197,94,0.3); }
.badge-blue   { background:rgba(59,130,246,0.15); color: var(--blue-400); border:1px solid rgba(59,130,246,0.3); }
.badge-yellow { background:rgba(234,179,8,0.15); color: var(--yellow-500); border:1px solid rgba(234,179,8,0.3); }

.toast-container { position:fixed; top:20px; right:20px; z-index:9999; display:flex; flex-direction:column; gap: var(--space-sm); pointer-events:none; }
.toast { display:flex; align-items:center; gap: var(--space-sm); padding:14px 20px; border-radius: var(--radius-md); background: var(--bg-card); border:1px solid var(--border-card); box-shadow:0 8px 40px rgba(0,0,0,0.6); font-size:0.9rem; font-weight:500; animation:slideInRight 0.3s var(--transition-spring); pointer-events:all; max-width:350px; }
.toast-success { border-color:rgba(34,197,94,0.4); color: var(--green-400); }
.toast-error   { border-color:rgba(239,68,68,0.4); color: var(--red-500); }
.toast-info    { border-color: var(--border-accent); color: var(--purple-300); }

.quota-bar { height:6px; background:rgba(255,255,255,0.08); border-radius: var(--radius-full); overflow:hidden; }
.quota-bar-fill { height:100%; border-radius: var(--radius-full); background: var(--accent-grad); transition:width 0.5s ease; }
.quota-bar-fill.danger { background:linear-gradient(90deg,#ef4444,#f97316); }

.skeleton { background:linear-gradient(90deg,rgba(255,255,255,0.04) 25%,rgba(255,255,255,0.08) 50%,rgba(255,255,255,0.04) 75%); background-size:200% 100%; animation:shimmer 1.5s infinite; border-radius: var(--radius-md); }

@keyframes shimmer { from{background-position:-200% 0} to{background-position:200% 0} }
@keyframes slideInRight { from{transform:translateX(120%);opacity:0} to{transform:translateX(0);opacity:1} }
@keyframes slideInUp { from{transform:translateY(20px);opacity:0} to{transform:translateY(0);opacity:1} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes scaleIn { from{transform:scale(0.9);opacity:0} to{transform:scale(1);opacity:1} }
@keyframes pulse-glow { 0%,100%{box-shadow:0 0 20px rgba(124,58,237,0.3)} 50%{box-shadow:0 0 40px rgba(124,58,237,0.6)} }
@keyframes lock-bounce { 0%{transform:scale(1)} 30%{transform:scale(1.3) rotate(-5deg)} 60%{transform:scale(0.9) rotate(3deg)} 100%{transform:scale(1) rotate(0)} }
@keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes wave-bar { 0%,100%{transform:scaleY(0.3)} 50%{transform:scaleY(1)} }

.animate-fade-in   { animation:fadeIn 0.4s ease forwards; }
.animate-slide-up  { animation:slideInUp 0.4s ease forwards; }
.animate-scale-in  { animation:scaleIn 0.3s var(--transition-spring) forwards; }
.animate-float     { animation:float 3s ease-in-out infinite; }
.animate-spin      { animation:spin 1s linear infinite; }
.animate-pulse-glow { animation:pulse-glow 2s ease-in-out infinite; }
.stagger-1{animation-delay:.05s} .stagger-2{animation-delay:.1s} .stagger-3{animation-delay:.15s} .stagger-4{animation-delay:.2s}

.container { width:100%; max-width:1200px; margin:0 auto; padding:0 var(--space-lg); }
.container-sm { width:100%; max-width:560px; margin:0 auto; padding:0 var(--space-lg); }
.flex{display:flex} .flex-col{flex-direction:column} .items-center{align-items:center} .justify-center{justify-content:center} .justify-between{justify-content:space-between}
.gap-sm{gap:var(--space-sm)} .gap-md{gap:var(--space-md)} .gap-lg{gap:var(--space-lg)} .gap-xl{gap:var(--space-xl)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)} .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}
.hidden{display:none!important} .relative{position:relative} .absolute{position:absolute} .w-full{width:100%} .text-center{text-align:center}
.mt-sm{margin-top:var(--space-sm)} .mt-md{margin-top:var(--space-md)} .mt-lg{margin-top:var(--space-lg)} .mt-xl{margin-top:var(--space-xl)} .mb-md{margin-bottom:var(--space-md)} .mb-lg{margin-bottom:var(--space-lg)}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

::-webkit-scrollbar{width:6px;height:6px} ::-webkit-scrollbar-track{background:var(--bg-base)} ::-webkit-scrollbar-thumb{background:rgba(124,58,237,0.4);border-radius:var(--radius-full)} ::-webkit-scrollbar-thumb:hover{background:rgba(124,58,237,0.7)}
::selection{background:rgba(124,58,237,0.3);color:var(--text-primary)}

@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}.container{padding:0 var(--space-md)}h1{font-size:2rem}}
@media(max-width:480px){.btn{padding:10px 18px;font-size:0.875rem}}