/* Band Rehearsal Tracker - Modern Obsidian & Slate Styles */
:root {
  --bg-app: #090a0f;
  --bg-card: #11141c;
  --border-color: #1f2433;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-cyan: #38bdf8;
  --font-main: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-main);
  letter-spacing: -0.011em;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--bg-app);
  color: var(--text-main);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

#root {
  width: 100%;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Headings modern letter tracking */
h1, h2, h3, h4 {
  letter-spacing: -0.025em;
}

/* iOS Safe Area Padding Helpers */
.safe-top {
  padding-top: max(0.75rem, env(safe-area-inset-top));
}

.safe-bottom {
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}

/* Prevent iOS input auto-zoom by ensuring minimum 16px font */
input, select, textarea, button {
  font-family: inherit;
  font-size: 16px;
}

/* Subtle tactile feedback on touch */
.tap-btn {
  transition: transform 0.08s ease, opacity 0.1s ease, background-color 0.12s ease;
  user-select: none;
}

.tap-btn:active {
  transform: scale(0.97);
  opacity: 0.92;
}

/* Bottom Sheet Modal for Mobile */
@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0.6;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-sheet {
  animation: slideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Toast Notification Animation */
@keyframes toastIn {
  from {
    transform: translate(-50%, 15px);
    opacity: 0;
  }
  to {
    transform: translate(-50%, 0);
    opacity: 1;
  }
}

.toast-anim {
  animation: toastIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Clean minimal scrollbars */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #252c3d;
  border-radius: 4px;
}

/* Modern Card Styles */
.lean-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
}

/* Hardware style badge */
.badge-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  font-weight: 600;
  text-transform: uppercase;
}