/* ═══════════════════════════════════════════════════════════
   КЛИПОВАРНЯ — Design System
   Токены, утилиты, базовые компоненты
═══════════════════════════════════════════════════════════ */

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

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Цвета */
  --bg-base:        #070710;
  --bg-surface:     #0d0d1a;
  --bg-elevated:    #12122a;
  --bg-card:        rgba(255, 255, 255, 0.04);
  --bg-card-hover:  rgba(255, 255, 255, 0.07);

  --accent-purple:  #7c3aed;
  --accent-blue:    #2563eb;
  --accent-violet:  #9333ea;
  --accent-pink:    #ec4899;
  --accent-teal:    #0d9488;

  --grad-primary:   linear-gradient(135deg, #7c3aed 0%, #2563eb 100%);
  --grad-vibrant:   linear-gradient(135deg, #9333ea 0%, #7c3aed 50%, #2563eb 100%);
  --grad-warm:      linear-gradient(135deg, #ec4899 0%, #7c3aed 100%);
  --grad-glow:      linear-gradient(135deg, rgba(124,58,237,0.3) 0%, rgba(37,99,235,0.3) 100%);
  --grad-text:      linear-gradient(135deg, #a78bfa 0%, #60a5fa 100%);

  --text-primary:   #f1f0ff;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --border:         rgba(255, 255, 255, 0.08);
  --border-accent:  rgba(124, 58, 237, 0.4);

  --success:        #10b981;
  --warning:        #f59e0b;
  --error:          #ef4444;

  /* Тени */
  --shadow-card:    0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow:    0 0 40px rgba(124, 58, 237, 0.2);
  --shadow-btn:     0 4px 20px rgba(124, 58, 237, 0.4);

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Border radius */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --container-max: 1200px;
  --nav-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
  opacity: 0.4;
}

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

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Typography ────────────────────────────────────────────── */
.text-gradient {
  background: linear-gradient(135deg, #c4b5fd 0%, #60a5fa 40%, #a78bfa 70%, #38bdf8 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-flow 6s ease infinite;
}

@keyframes gradient-flow {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

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

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn-primary {
  background: var(--grad-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35), inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.25) 50%, transparent 60%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}

.btn-primary:hover::before {
  transform: translateX(120%);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(124, 58, 237, 0.45), inset 0 1px 0 rgba(255,255,255,0.25);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(124, 58, 237, 0.45);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.btn-icon-arrow {
  display: inline-flex;
  width: 18px;
  height: 18px;
  transition: transform var(--transition-base);
}

.btn:hover .btn-icon-arrow {
  transform: translateX(3px);
}

.btn-icon-arrow svg {
  width: 100%;
  height: 100%;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.25); }

.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 18px 40px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-icon { padding: 10px; border-radius: var(--radius-sm); aspect-ratio: 1; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.card:hover {
  border-color: rgba(124, 58, 237, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(124, 58, 237, 0.1);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.05);
}

.card-glass {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
}

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-purple { background: rgba(124,58,237,0.2); color: #a78bfa; border: 1px solid rgba(124,58,237,0.3); }
.badge-green  { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.3); }
.badge-yellow { background: rgba(245,158,11,0.15); color: #fbbf24; border: 1px solid rgba(245,158,11,0.3); }
.badge-red    { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }
.badge-blue   { background: rgba(37,99,235,0.15); color: #60a5fa; border: 1px solid rgba(37,99,235,0.3); }

/* ── Form elements ─────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--space-sm); }
.form-label { font-size: 14px; font-weight: 500; color: var(--text-secondary); }

.form-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 15px;
  transition: border-color var(--transition-fast);
  outline: none;
  width: 100%;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { border-color: var(--accent-purple); box-shadow: 0 0 0 3px rgba(124,58,237,0.15); }

/* Нативные <select>: иначе Windows рисует белый список + светлый текст */
select.form-input,
select.form-select-dark {
  color-scheme: dark;
  background-color: #16162a;
  color: #f3f4f6;
}
select.form-input option,
select.form-select-dark option {
  background-color: #16162a;
  color: #111827;
}
/* Chrome/Edge: пункты списка часто светлые — форсируем тёмный текст на светлом фоне списка */
@supports (-webkit-appearance: none) {
  select.form-input option,
  select.form-select-dark option {
    background-color: #ffffff;
    color: #111827;
  }
}

/* ── Progress bar ──────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
  position: relative;
  overflow: hidden;
}
.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── Score ring ────────────────────────────────────────────── */
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
}
.score-high  { background: rgba(16,185,129,0.2);  color: #34d399; }
.score-mid   { background: rgba(245,158,11,0.2);  color: #fbbf24; }
.score-low   { background: rgba(239,68,68,0.15);  color: #f87171; }

/* ── Skeleton loader ───────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, rgba(255,255,255,0.05) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: skeleton-wave 1.5s infinite;
  border-radius: var(--radius-md);
}
@keyframes skeleton-wave {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Toast notifications ───────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 14px;
  font-weight: 500;
  min-width: 280px;
  box-shadow: var(--shadow-card);
  animation: toast-in 0.3s ease forwards;
  pointer-events: all;
}
.toast-success { border-left: 3px solid var(--success); }
.toast-error   { border-left: 3px solid var(--error); }
.toast-info    { border-left: 3px solid var(--accent-purple); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  to { opacity: 0; transform: translateX(20px); }
}

/* ── Fade-in animation for scroll ─────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in { transition: opacity 0.3s ease; transform: none; }
  .fade-in.visible { transform: none; }
  .text-gradient { animation: none; }
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ── Glow effect ───────────────────────────────────────────── */
.glow {
  position: relative;
}
.glow::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: var(--grad-primary);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base);
  filter: blur(8px);
}
.glow:hover::before { opacity: 0.6; }

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  width: 100%;
  max-width: 480px;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}
.modal-overlay.open .modal { transform: translateY(0); }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Utility ───────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.hidden { display: none !important; }

/* ── Brand / Logo ──────────────────────────────────────────── */
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--grad-primary);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.35);
}

.logo-icon svg {
  width: 18px;
  height: 18px;
  display: block;
}

.logo-icon--sm {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.logo-icon--sm svg {
  width: 15px;
  height: 15px;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
}

.brand-wordmark {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-logo-sidebar {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 4px 16px rgba(59, 130, 246, 0.25));
}

.brand-logo-topbar {
  display: block;
  height: 36px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.sidebar-logo {
  display: block;
  padding: 8px 12px 16px;
  text-decoration: none;
}

.icon-clip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
}

.icon-clip svg,
.icon-subtitles svg,
.icon-export svg,
.icon-templates svg,
.icon-viral svg,
.icon-editor svg,
.icon-ai svg,
.icon-upload svg {
  width: 24px;
  height: 24px;
  display: block;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 0 var(--space-md); }
  .btn-lg { padding: 14px 28px; font-size: 15px; }
  .hide-mobile { display: none !important; }
}