/* ═══════════════════════════════════════════════
   GLASSMORPHISM — Orbit
   Premium frosted surfaces · gradient borders
   ═══════════════════════════════════════════════ */

/* ── Base glass surface ── */
.glass {
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.glass-strong {
  background: var(--glass-strong);
  backdrop-filter: blur(28px) saturate(1.3);
  -webkit-backdrop-filter: blur(28px) saturate(1.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ── Glass panel — padded section container ── */
.glass-panel {
  position: relative;
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

/* Gradient border effect via pseudo-element */
.glass-panel::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(255,255,255,0.12) 0%,
    rgba(255,255,255,0.03) 40%,
    rgba(255,255,255,0.0) 60%,
    rgba(255,255,255,0.06) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ── Glass card — interactive element ── */
.glass-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition:
    background var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.glass-card:hover {
  background: var(--surface-hover);
  box-shadow: var(--shadow-md);
}

.glass-card:active {
  transform: scale(0.98);
  background: var(--surface-active);
}

/* Top highlight line on cards */
.glass-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  pointer-events: none;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-md));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: var(--z-toast);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  border: 1px solid var(--glass-border);
  color: var(--ink);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--dur-normal) var(--ease-out),
    transform var(--dur-normal) var(--ease-out);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.toast.error {
  border-color: rgba(255,92,92,0.3);
}

/* ── Connection dot ── */
.connection-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
  transition: background var(--dur-normal), box-shadow var(--dur-normal);
}

.connection-dot.online {
  background: var(--success);
  box-shadow: 0 0 8px rgba(78, 207, 138, 0.5);
}

/* ── Section titles ── */
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--ink);
  margin-bottom: var(--space-md);
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.empty-state-icon {
  font-size: 36px;
  margin-bottom: var(--space-sm);
  opacity: 0.4;
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
}

.badge-low {
  background: rgba(78, 207, 138, 0.12);
  color: var(--success);
}

.badge-medium {
  background: rgba(246, 187, 97, 0.12);
  color: var(--warning);
}

.badge-high {
  background: rgba(255, 92, 92, 0.12);
  color: var(--danger);
}

.badge-kind {
  background: var(--surface);
  color: var(--ink-secondary);
}

.badge-user {
  background: var(--surface);
  color: var(--ink-secondary);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  transition: all var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.96);
}

.btn-ghost {
  color: var(--ink-muted);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--ink);
  background: var(--surface);
}

.btn-danger {
  color: var(--danger);
}

.btn-danger:hover {
  background: rgba(255, 92, 92, 0.1);
}

.btn-accent {
  color: #fff;
  background: var(--accent-shared);
}

.btn-accent:hover {
  box-shadow: var(--shadow-glow-p);
}

/* ── Priority strip ── */
.priority-strip {
  position: absolute;
  left: 0;
  top: var(--space-sm);
  bottom: var(--space-sm);
  width: 3px;
  border-radius: var(--radius-full);
}

.priority-strip-low    { background: var(--success); }
.priority-strip-medium { background: var(--warning); }
.priority-strip-high   { background: var(--danger); }

/* ── Shimmer skeleton ── */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-sm);
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.06) 50%,
    transparent 100%
  );
  animation: shimmer 1.8s ease-in-out infinite;
}

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

/* ── Light theme overrides ── */
[data-theme="light"] .glass-card::after {
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.03), transparent);
}

[data-theme="light"] .glass-panel::before {
  background: linear-gradient(
    135deg,
    rgba(0,0,0,0.06) 0%,
    rgba(0,0,0,0.02) 40%,
    rgba(0,0,0,0.0) 60%,
    rgba(0,0,0,0.04) 100%
  );
}

[data-theme="light"] .skeleton::after {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(0,0,0,0.04) 50%,
    transparent 100%
  );
}