/* Scaffolded by Task 2; palette and primitives expanded in Task 6. */

:root {
  --brand-green: #2E8B57;
  --brand-green-text: #1F6B40;
  --body-text: #222;
  --secondary-text: #555;
  --error-red: #B30000;
  --error-bg: #FFF0F0;
  --success-bg: #EAFAF0;
  --success-border: #C7F0D6;
  --error-border: #F2C6C6;
  --border-neutral: #CCC;
  --radius: 4px;
}

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

html {
  font-size: 16px;
}

body {
  font-family: "Roboto", Arial, sans-serif;
  color: var(--body-text);
  margin: 0;
  min-height: 100vh;
  background: #FFF;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--brand-green);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- Header ---------------------------------------------------------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #FFF;
  border-bottom: 1px solid var(--border-neutral);
}

.app-header__logo {
  display: block;
  height: 2rem;
  width: auto;
}

.app-header__title {
  flex: 1 1 auto;
  font-size: 1rem;
  margin: 0;
  color: var(--body-text);
}

.app-header__overflow {
  min-width: 44px;
  min-height: 44px;
  color: var(--secondary-text);
  font-size: 1.25rem;
  line-height: 1;
}

/* --- Main view region ------------------------------------------------- */

.view-root {
  padding: 1rem;
  padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px) + 1rem);
}

.placeholder-card {
  border: 1px solid var(--border-neutral);
  border-radius: var(--radius);
  padding: 1rem;
  background: #FFF;
}

.placeholder-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  color: var(--brand-green-text);
}

.placeholder-card p {
  margin: 0;
  color: var(--secondary-text);
  line-height: 1.4;
}

/* --- Bottom tab bar --------------------------------------------------- */

.tab-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  height: 56px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: #FFF;
  border-top: 1px solid var(--border-neutral);
}

.tab-bar__button {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--secondary-text);
  font-size: 0.75rem;
  line-height: 1.2;
}

.tab-bar__button[aria-selected="true"] {
  color: var(--brand-green-text);
  font-weight: 600;
}

.tab-bar__label {
  display: block;
}

/* --- Status blocks (carry-forward from prior Vendor Day modules) ----- */

.status-success {
  padding: 0.75rem;
  border: 1px solid var(--success-border);
  border-radius: var(--radius);
  background: var(--success-bg);
  color: #2E7D32;
}

.status-error {
  padding: 0.75rem;
  border: 1px solid var(--error-border);
  border-radius: var(--radius);
  background: var(--error-bg);
  color: #7A1B1B;
}