/* ══════════════════════════════════════════════════════════════════
   LUMORA WELCOME DESIGN SYSTEM
   Shared premium styles for all sub-app welcome pages.
   Each sub-app sets its own accent color via CSS variables.
   ══════════════════════════════════════════════════════════════════ */

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

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--black-bg, #070709);
  color: var(--light-text, #ffffff);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Particle Canvas ────────────────────────────────────────── */
#particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* ─── Animated Background Gradient ──────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(192, 132, 252, 0.06) 0%, transparent 50%);
  animation: welcomeBgPulse 8s ease-in-out infinite alternate;
}

@keyframes welcomeBgPulse {
  0%   { opacity: 0.6; }
  50%  { opacity: 1; }
  100% { opacity: 0.7; }
}

/* ─── Grid overlay ──────────────────────────────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ─── Welcome Card ──────────────────────────────────────────── */
.welcome {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 90%;
  max-width: 440px;
  padding: 3rem 2.5rem;
  background: rgba(15, 15, 18, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.03),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  animation: welcomeCardIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  gap: 0.25rem;
}
body.light .welcome {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(0, 0, 0, 0.06);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(0, 0, 0, 0.03),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

@keyframes welcomeCardIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.welcome::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.3),
    transparent 40%,
    transparent 60%,
    rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.15)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ─── App Icon / Logo ───────────────────────────────────────── */
.welcome-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--welcome-accent, #8e2de2), var(--welcome-accent2, #4a00e0));
  box-shadow: 0 8px 24px rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.3);
  color: var(--light-text);
  font-size: 1.5rem;
  font-weight: 800;
  animation: welcomeLogoIn 0.6s 0.2s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes welcomeLogoIn {
  from { opacity: 0; transform: scale(0.5) rotate(-10deg); }
  to { opacity: 1; transform: scale(1) rotate(0); }
}

.welcome-logo svg {
  width: 28px;
  height: 28px;
}

/* ─── App Name ──────────────────────────────────────────────── */
.welcome-app-name {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.7);
  margin-bottom: 0.25rem;
  animation: welcomeFadeUp 0.6s 0.3s both;
}

/* ─── Heading ────────────────────────────────────────────────── */
.welcome h1,
.welcome h2,
.welcome-title {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--light-text, #fff);
  margin-bottom: 0.5rem;
  animation: welcomeFadeUp 0.6s 0.4s both;
}

.welcome h1 .accent,
.welcome h2 .accent {
  background: linear-gradient(135deg, var(--welcome-accent, #8e2de2), var(--welcome-accent2, #c084fc));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Subtitle / Description ────────────────────────────────── */
.welcome p,
.welcome-sub {
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.5rem;
  animation: welcomeFadeUp 0.6s 0.5s both;
}
body.light .welcome p,
body.light .welcome-sub {
  color: var(--muted-text, #65676b);
}

/* ─── Enter Button ──────────────────────────────────────────── */
.enter-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2.5rem;
  width: 100%;
  max-width: 280px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--light-text);
  background: linear-gradient(135deg, var(--welcome-accent, #8e2de2), var(--welcome-accent2, #4a00e0));
  border: none;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow:
    0 4px 16px rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  overflow: hidden;
  animation: welcomeFadeUp 0.6s 0.6s both;
}

.enter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.enter-btn:hover::before {
  transform: translateX(100%);
}

.enter-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 32px rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.enter-btn:active {
  transform: translateY(0) scale(0.98);
}

.enter-btn:disabled,
.enter-btn.soon {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.enter-btn .btn-arrow {
  display: inline-flex;
  transition: transform 0.3s ease;
}

.enter-btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ─── Footer ────────────────────────────────────────────────── */
footer {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  font-size: 0.7rem;
  font-family: 'Inter', monospace;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.2);
  pointer-events: none;
  animation: welcomeFadeUp 0.6s 0.8s both;
  white-space: nowrap;
}
body.light footer {
  color: rgba(0, 0, 0, 0.25);
}

/* ─── Back Icon ─────────────────────────────────────────────── */
.back-icon {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 100;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.5);
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: welcomeFadeUp 0.6s 0.1s both;
}
body.light .back-icon {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
  color: rgba(0, 0, 0, 0.5);
}

.back-icon:hover {
  background: rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.12);
  border-color: rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.3);
  color: var(--light-text);
}

.back-icon:active {
  transform: scale(0.92);
}

.back-icon svg {
  width: 20px;
  height: 20px;
}

/* ─── Animations ────────────────────────────────────────────── */
@keyframes welcomeFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 480px) {
  .welcome {
    padding: 2.25rem 1.5rem;
    border-radius: 20px;
    max-width: 360px;
  }

  .welcome-logo {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    margin-bottom: 0.75rem;
  }

  .welcome-logo svg {
    width: 24px;
    height: 24px;
  }

  .enter-btn {
    padding: 0.8rem 2rem;
    font-size: 0.9rem;
    max-width: 240px;
  }

  .back-icon {
    top: 1rem;
    left: 1rem;
    width: 38px;
    height: 38px;
  }

  footer {
    font-size: 0.6rem;
    bottom: 1rem;
  }
}

@media (max-width: 360px) {
  .welcome {
    padding: 1.75rem 1.25rem;
    border-radius: 16px;
  }

  .welcome h1 {
    font-size: 1.2rem;
  }
}

/* ─── Coming Soon Badge ─────────────────────────────────────── */
.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 1rem;
  background: rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.12);
  border: 1px solid rgba(var(--welcome-accent-rgb, 142, 45, 226), 0.25);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--welcome-accent, #8e2de2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  animation: welcomeFadeUp 0.6s 0.35s both, welcomePulse 2s ease-in-out infinite 1s;
}

.coming-soon-badge svg {
  width: 12px;
  height: 12px;
}

@keyframes welcomePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ─── Countdown (Cluvra) ────────────────────────────────────── */
.countdown-container {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: welcomeFadeUp 0.6s 0.5s both;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.countdown-value {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  font-family: 'Inter', monospace;
  color: var(--light-text, #fff);
  line-height: 1;
  min-width: 60px;
  background: linear-gradient(135deg, #fff, var(--welcome-accent, #8e2de2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.countdown-label {
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 0.35rem;
  font-weight: 600;
}
body.light .countdown-label {
  color: var(--muted-text, #65676b);
}

/* ─── Progress Bar (Cluvra) ─────────────────────────────────── */
.progress-container {
  width: 100%;
  max-width: 280px;
  margin-bottom: 1.25rem;
  animation: welcomeFadeUp 0.6s 0.55s both;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
}

.progress-label span:first-child {
  color: rgba(255, 255, 255, 0.4);
}
body.light .progress-label span:first-child {
  color: var(--muted-text, #65676b);
}

.progress-label span:last-child {
  color: var(--welcome-accent, #8e2de2);
  font-weight: 600;
}

.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}
body.light .progress-bar {
  background: rgba(0, 0, 0, 0.08);
}

.progress-fill {
  height: 100%;
  width: var(--progress, 50%);
  background: linear-gradient(90deg, var(--welcome-accent, #8e2de2), var(--welcome-accent2, #4a00e0));
  border-radius: 100px;
  transition: width 0.5s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: progressShimmer 1.5s ease-in-out infinite;
}

@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
body.light ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); }
::-webkit-scrollbar-thumb:hover { background: rgba(var(--welcome-accent-rgb, 142,45,226), 0.4); }
::selection { background: rgba(var(--welcome-accent-rgb, 142,45,226), 0.35); color: white; }