/* ═══════════════════════════════════════════════
   CONNEK SUPER APP — Base Reset & Typography
═══════════════════════════════════════════════ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overscroll-behavior: none;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-shell);
  color: var(--text-primary);
  min-height: 100dvh;
  overflow: hidden;
  position: fixed;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Scrollable containers ── */
.shell-main {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: none;
}

/* ── Headings ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ── Buttons reset ── */
button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  outline: none;
  touch-action: manipulation;
}

button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ── Images ── */
img {
  display: block;
  max-width: 100%;
}

/* ── Links ── */
a {
  color: var(--accent-primary);
  text-decoration: none;
}

/* ── Scrollbar styling ── */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ── Selection ── */
::selection {
  background: var(--accent-primary);
  color: var(--text-on-accent);
}

/* ── Utility classes ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fade-in {
  animation: fadeIn var(--transition-med) ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(1.05); }
}