/* ============================================================
   AppSaze — assets/css/liquid-glass.css
   کامپوننت Liquid Glass — شیشه مایع اپل
   ============================================================ */

/* ── Base Glass ──────────────────────────────────────────────── */
.liquid-glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
          backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-top);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

/* Specular highlight — خط روشن بالای شیشه */
.liquid-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.10) 0%,
    rgba(255, 255, 255, 0.03) 40%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 1;
}

/* Inner glow edge */
.liquid-glass::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), inset 0 -1px 0 rgba(0,0,0,0.12);
  pointer-events: none;
  z-index: 1;
}

/* ── Hover State ─────────────────────────────────────────────── */
.liquid-glass--interactive {
  cursor: pointer;
}
.liquid-glass--interactive:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-elevated);
  transform: translateY(-2px);
}
.liquid-glass--interactive:active {
  transform: translateY(0);
  background: var(--glass-bg-active);
}

/* ── Elevated ────────────────────────────────────────────────── */
.liquid-glass--elevated {
  background: rgba(255, 255, 255, 0.70);
  border-color: rgba(255, 255, 255, 0.40);
  box-shadow: var(--glass-shadow-elevated);
}

/* ── Subtle ──────────────────────────────────────────────────── */
.liquid-glass--subtle {
  background: rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.15);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
}

/* ── Tinted — بنفش ───────────────────────────────────────────── */
.liquid-glass--violet {
  background: rgba(139, 92, 246, 0.10);
  border-color: rgba(139, 92, 246, 0.25);
}
.liquid-glass--violet::before {
  background: linear-gradient(135deg, rgba(139,92,246,0.15) 0%, transparent 60%);
}

/* ── Tinted — سایان ─────────────────────────────────────────── */
.liquid-glass--cyan {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.22);
}

/* ── Card با radius ──────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
          backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-top);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
/* specular highlight for .glass-card */
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.10) 0%,
    rgba(255, 255, 255, 0.03) 40%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 1;
}
.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), inset 0 -1px 0 rgba(0,0,0,0.12);
  pointer-events: none;
  z-index: 1;
}

/* ── Pill ────────────────────────────────────────────────────── */
.glass-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}
.glass-pill:hover {
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
}

/* ── Navbar Glass ────────────────────────────────────────────── */
.navbar {
  background: rgba(255, 255, 255, 0.75);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
          backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.04);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}

/* Primary — gradient */
.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-primary-glow);
}
.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}
.btn--primary:hover::before { background: rgba(255,255,255,0.10); }
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-primary-glow);
}
.btn--primary:active { transform: translateY(0); }

/* Glass */
.btn--glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-top);
  color: var(--text-primary);
}
.btn--glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
}

/* Outline */
.btn--outline {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary-light);
}
.btn--outline:hover {
  background: rgba(139, 92, 246, 0.10);
  border-color: var(--accent-primary-light);
}

/* Sizes */
.btn--sm { padding: 8px 20px; font-size: var(--font-size-sm); }
.btn--lg { padding: 16px 40px; font-size: var(--font-size-lg); }
.btn--xl { padding: 18px 48px; font-size: var(--font-size-xl); }

/* Ripple effect */
.btn .ripple {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  animation: ripple 650ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
  background-color: rgba(255, 255, 255, 0.22);
  pointer-events: none;
}
@keyframes ripple {
  from { transform: translate(-50%, -50%) scale(0); opacity: 1; }
  to   { transform: translate(-50%, -50%) scale(30); opacity: 0; }
}

/* ── Input / Form ────────────────────────────────────────────── */
.glass-input {
  width: 100%;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  padding: 14px 18px;
  outline: none;
  transition: all var(--transition-base);
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
}
.glass-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow), var(--glass-shadow);
  background: var(--glass-bg-hover);
}
.glass-input::placeholder { color: var(--text-muted); }

/* Textarea */
textarea.glass-input {
  min-height: 140px;
  resize: vertical;
}

/* Form Label */
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* Form Group */
.form-group { margin-bottom: var(--space-3); }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.badge--primary {
  background: rgba(139,92,246,0.18);
  color: var(--accent-primary-light);
  border: 1px solid rgba(139,92,246,0.3);
}
.badge--cyan {
  background: rgba(6,182,212,0.15);
  color: var(--accent-secondary-light);
  border: 1px solid rgba(6,182,212,0.25);
}
.badge--sponsored {
  background: rgba(245,158,11,0.15);
  color: #FCD34D;
  border: 1px solid rgba(245,158,11,0.25);
}
.badge--new {
  background: rgba(16,185,129,0.15);
  color: #6EE7B7;
  border: 1px solid rgba(16,185,129,0.25);
}

/* Live dot */
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

/* ── Section Header ──────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12) auto;
}
.section-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent-primary-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.section-header__eyebrow::before,
.section-header__eyebrow::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gradient-brand);
  opacity: 0.7;
}
.section-header__title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.section-header__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ── Divider ─────────────────────────────────────────────────── */
.divider {
  width: 64px;
  height: 3px;
  background: var(--gradient-brand);
  border-radius: var(--radius-pill);
  margin: 0 auto;
}

/* ── Tooltip ─────────────────────────────────────────────────── */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: var(--font-size-xs);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}
[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}