/* =========================================================================
   پیام‌بر — Invitation Page Styles
   Signal Genesis: Professional, responsive, world-class UI/UX
   ========================================================================= */

/* ─── Invite Page Background ──────────────────────────────────────────── */
.invite-wrap {
  position: relative;
  min-height: 100vh;
  padding-bottom: 80px;
}

.invite-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 15% 10%, rgba(34,211,238,0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 90%, rgba(99,102,241,0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(139,123,247,0.04) 0%, transparent 70%);
}

.invite-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite;
  pointer-events: none;
}

.invite-bg-orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(34,211,238,0.25) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.invite-bg-orb-2 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(139,123,247,0.2) 0%, transparent 70%);
  bottom: -10%;
  left: -5%;
  animation-delay: -7s;
}

.invite-bg-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(52,211,153,0.15) 0%, transparent 70%);
  top: 40%;
  left: 50%;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ─── Hero Section ──────────────────────────────────────────────────────── */
.invite-hero {
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
  padding: 48px 40px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(34,211,238,0.1) 0%, rgba(99,102,241,0.06) 50%, rgba(139,123,247,0.04) 100%);
  border: 1px solid rgba(34,211,238,0.18);
  overflow: hidden;
  animation: fade-in var(--duration-slow) var(--ease-out);
}

.invite-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -8%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(34,211,238,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.invite-hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.invite-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.invite-hero-text {
  flex: 1;
  min-width: 280px;
}

.invite-hero-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  background: var(--color-surface-strong);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
  box-shadow: 0 0 24px rgba(34,211,238,0.15);
}

.invite-hero-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-black);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-3) 0;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.invite-hero-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
  max-width: 520px;
}

.invite-hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

.help-btn {
  border-radius: var(--radius-full);
  padding: 10px 22px;
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  background: rgba(34,211,238,0.1);
  border: 2px solid rgba(34,211,238,0.7);
  color: var(--color-cyan);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  backdrop-filter: blur(4px);
  box-shadow: 0 0 14px rgba(34,211,238,0.08);
}

.help-btn:hover {
  background: rgba(34,211,238,0.18);
  border-color: rgba(34,211,238,0.95);
  box-shadow: 0 0 22px rgba(34,211,238,0.22);
  transform: translateY(-2px);
}

/* ─── Invite Link Box ────────────────────────────────────────────────────── */
.invite-link-section {
  position: relative;
  z-index: 1;
  margin-bottom: 32px;
  animation: fade-in var(--duration-slow) var(--ease-out) 50ms both;
}

.invite-link-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.invite-link-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.invite-link-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg), var(--glow-cyan);
}

.invite-link-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.invite-link-header-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.2);
}

.invite-link-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin: 0;
}

.invite-link-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.invite-link-input-wrap {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

.invite-link-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  direction: ltr;
  word-break: break-all;
  outline: none;
  transition: all var(--duration-fast) var(--ease-out);
  min-width: 0;
}

.invite-link-input:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.12);
}

.invite-copy-btn {
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-inverse);
  background: var(--gradient-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-out);
  box-shadow: 0 8px 20px -8px rgba(34,211,238,0.5);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.invite-copy-btn:hover:not(:disabled) {
  background: var(--gradient-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -8px rgba(34,211,238,0.7);
}

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

.invite-copy-feedback {
  display: none;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: rgba(52,211,153,0.08);
  border: 1px solid rgba(52,211,153,0.2);
  border-radius: var(--radius-md);
  color: #86efc9;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  width: fit-content;
  animation: fade-in var(--duration-fast) var(--ease-out);
}

.invite-copy-feedback.visible {
  display: flex;
}

/* ─── Stats Grid ─────────────────────────────────────────────────────────── */
.invite-stats {
  position: relative;
  z-index: 1;
  margin-bottom: 32px;
  animation: fade-in var(--duration-slow) var(--ease-out) 100ms both;
}

.invite-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.invite-stat-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-5);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.invite-stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--accent, var(--color-cyan));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.invite-stat-card::after {
  content: "";
  position: absolute;
  top: var(--space-4);
  inset-inline-end: var(--space-4);
  width: var(--size-xs);
  height: var(--size-xs);
  border-radius: var(--radius-full);
  background: var(--accent, var(--color-cyan));
  box-shadow: 0 0 12px var(--accent, var(--color-cyan));
  opacity: 0.5;
  filter: blur(4px);
}

.invite-stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.invite-stat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: var(--space-3);
  background: var(--accent-bg, rgba(34,211,238,0.1));
  border: 1px solid var(--accent-border, rgba(34,211,238,0.2));
  position: relative;
  z-index: 1;
}

.invite-stat-value {
  font-size: 2rem;
  font-weight: var(--font-black);
  line-height: var(--leading-tight);
  background: linear-gradient(135deg, var(--color-cyan), var(--color-indigo));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-1);
  position: relative;
  z-index: 1;
}

.invite-stat-value-accent {
  background: linear-gradient(135deg, var(--color-bale), var(--color-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.invite-stat-value-gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.invite-stat-value-violet {
  background: linear-gradient(135deg, var(--color-violet), var(--color-indigo));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.invite-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
  position: relative;
  z-index: 1;
}

/* Stat card accent colors */
.invite-stat-card[data-accent="green"] {
  --accent: var(--color-bale);
  --accent-bg: rgba(45,212,165,0.1);
  --accent-border: rgba(45,212,165,0.2);
}

.invite-stat-card[data-accent="gold"] {
  --accent: var(--color-gold);
  --accent-bg: rgba(255,184,0,0.1);
  --accent-border: rgba(255,184,0,0.2);
}

.invite-stat-card[data-accent="cyan"] {
  --accent: var(--color-cyan);
  --accent-bg: rgba(34,211,238,0.1);
  --accent-border: rgba(34,211,238,0.2);
}

.invite-stat-card[data-accent="violet"] {
  --accent: var(--color-violet);
  --accent-bg: rgba(139,123,247,0.1);
  --accent-border: rgba(139,123,247,0.2);
}

/* ─── Rewards Section ─────────────────────────────────────────────────────── */
.invite-rewards {
  position: relative;
  z-index: 1;
  animation: fade-in var(--duration-slow) var(--ease-out) 150ms both;
}

.invite-rewards-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.invite-rewards-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: linear-gradient(135deg, rgba(255,184,0,0.12), rgba(251,146,60,0.08));
  border: 1px solid rgba(255,184,0,0.2);
}

.invite-rewards-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin: 0;
}

.invite-rewards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
}

.invite-reward-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.invite-reward-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--reward-accent, var(--color-cyan));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: height var(--duration-normal) var(--ease-out);
}

.invite-reward-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.invite-reward-card:hover::before {
  height: 3px;
}

.invite-reward-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: var(--space-3);
  background: var(--reward-bg, rgba(34,211,238,0.1));
  border: 1px solid var(--reward-border, rgba(34,211,238,0.2));
}

.invite-reward-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  margin: 0 0 var(--space-2) 0;
}

.invite-reward-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* Reward card accent colors */
.invite-reward-card[data-accent="green"] {
  --reward-accent: var(--color-bale);
  --reward-bg: rgba(45,212,165,0.08);
  --reward-border: rgba(45,212,165,0.18);
}

.invite-reward-card[data-accent="cyan"] {
  --reward-accent: var(--color-cyan);
  --reward-bg: rgba(34,211,238,0.08);
  --reward-border: rgba(34,211,238,0.18);
}

.invite-reward-card[data-accent="violet"] {
  --reward-accent: var(--color-violet);
  --reward-bg: rgba(139,123,247,0.08);
  --reward-border: rgba(139,123,247,0.18);
}

/* ─── Tip Card ────────────────────────────────────────────────────────────── */
.invite-tip {
  position: relative;
  z-index: 1;
  margin-top: var(--space-5);
  padding: var(--space-5);
  background: linear-gradient(135deg, rgba(255,184,0,0.06) 0%, rgba(251,146,60,0.03) 100%);
  border: 1px solid rgba(255,184,0,0.18);
  border-radius: var(--radius-lg);
  animation: fade-in var(--duration-slow) var(--ease-out) 200ms both;
}

.invite-tip-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.invite-tip-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: rgba(255,184,0,0.12);
  border: 1px solid rgba(255,184,0,0.2);
}

.invite-tip-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  margin: 0;
}

.invite-tip-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

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

.invite-animate-in {
  animation: fade-in var(--duration-slow) var(--ease-out) both;
}

.invite-stagger-1 { animation-delay: 50ms; }
.invite-stagger-2 { animation-delay: 100ms; }
.invite-stagger-3 { animation-delay: 150ms; }
.invite-stagger-4 { animation-delay: 200ms; }
.invite-stagger-5 { animation-delay: 250ms; }
.invite-stagger-6 { animation-delay: 300ms; }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .invite-hero {
    padding: 32px 24px;
  }

  .invite-hero-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .invite-hero-title {
    font-size: var(--text-2xl);
  }

  .invite-hero-subtitle {
    font-size: var(--text-sm);
  }

  .invite-link-input-wrap {
    flex-direction: column;
  }

  .invite-copy-btn {
    width: 100%;
    justify-content: center;
  }

  .invite-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .invite-rewards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .invite-hero {
    padding: 24px 16px;
  }

  .invite-hero-title {
    font-size: var(--text-xl);
  }

  .invite-stats-grid {
    grid-template-columns: 1fr;
  }

  .invite-stat-card {
    padding: var(--space-4);
  }

  .invite-stat-value {
    font-size: 1.6rem;
  }
}