/* ============================================================
   iAssessMe — common base styles
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { -webkit-text-size-adjust: 100%; }

body {
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }

button { cursor: pointer; font: inherit; color: inherit; background: none; border: none; }

input, textarea, select { font: inherit; color: inherit; }

a { color: inherit; }

/* Flash messages */
.flash-stack {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 360px;
}

.flash {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.flash-success { background: #1d4a4a; color: #fff; }
.flash-error   { background: #b34238; color: #fff; }
.flash-info    { background: #2c3e50; color: #fff; }

/* Visually hidden (a11y) */
.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;
}