/* CUSTOM FONTS */

@font-face {
  font-family: "Source Code VF";
  src: url("./fonts/SourceCodeVF-Upright.otf.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* GLOBAL STYLES */

:root {
  --background-color: #ffffff;
  --text-color: #232323;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #232323;
    --text-color: #ffffff;
  }
}

/* BASE RESET */

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

/* HTML and BODY */

html {
  background-color: var(--background-color);
  overflow: hidden;
}

body {
  margin: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 600px;
  margin-inline: auto;
  color: var(--text-color);
  font-family: "Source Code VF", monospace;
  font-weight: 400;
  font-size: 16px;
  overscroll-behavior: none;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* BUTTONS */

.btn {
  font-family: inherit;
  font-size: inherit;
  text-transform: uppercase;
  color: var(--text-color);
  cursor: pointer;
  background-color: var(--background-color);
  font-weight: 600;
}

.text-btn {
  border: none;
}

/* NAVBAR */

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--text-color);
  background-color: var(--background-color);
}

.nav-item {
  padding: 16px;
  font-weight: 600;
}

/* PASSAGE TEXTAREA */

#passage-textarea {
  font-family: inherit;
  font-size: inherit;
  resize: none;
  background-color: var(--background-color);
  color: var(--text-color);
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  padding: 16px;
  margin: 0;
  border: none;
  outline: none;
  resize: none;
  line-height: 1.75;
  letter-spacing: 0.15em;
  overflow: hidden;
  overflow-y: auto;
  --webkit-overflow-scrolling: touch;
}

/* FILTER BUTTONS */

#filter-btn-group {
  display: flex;
  margin: 16px;
  margin-top: 0;
  border: 2px solid var(--text-color);
  border-radius: 14px;
  overflow: hidden;
}

.filter-btn {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  border: none;
  border-right: 2px solid var(--text-color);
  padding: 12px;
  letter-spacing: 0.15em;
}

.filter-btn:last-child {
  border-right: none;
}

.filter-btn.active {
  background-color: var(--text-color);
  color: var(--background-color);
}

/* MISC */

.hidden {
  display: none !important;
}