:root {
  --base-clr: #111;
  --hover-clr: #222;
  --text-clr: #fff;
  --accent-clr: #00ffb3;
  --line-clr: #333;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: Arial, sans-serif;
  background-color: black;
}

.layout {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Hides sidebar on load if collapsed */
.layout.collapsed #sidebar {
  transform: translateX(-100%);
  visibility: hidden;
}

#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 250px;
  background-color: var(--base-clr);
  padding: 1em 1.5em;
  transform: translateX(0);
  transition: transform 0.3s ease;
  overflow: hidden;
  z-index: 100;
  flex-shrink: 0;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1em;
}

.logo {
  font-weight: bold;
  color: var(--accent-clr);
  font-size: 1.4rem;
  margin-bottom: 1em;
}

#sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#sidebar ul li {
  margin: 0.25em 0;
}

#sidebar ul li a,
#sidebar ul li .dropdown-btn {
  all: unset;
  display: flex;
  align-items: center;
  gap: 1em;
  color: var(--text-clr);
  padding: 0.75em;
  border-radius: 0.5em;
  background-color: transparent;
  transition: background-color 0.2s ease;
  cursor: pointer;
}

#sidebar ul li a:hover,
#sidebar ul li a.active,
#sidebar .dropdown-btn:hover {
  background-color: var(--hover-clr);
  color: var(--accent-clr);
}

.toggle-btn {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: 28px;
  height: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 200;
  padding: 0;
}

.toggle-btn .bar {
  width: 100%;
  height: 3px;
  background-color: white;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.layout:not(.collapsed) .toggle-btn .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.layout:not(.collapsed) .toggle-btn .bar:nth-child(2) {
  opacity: 0;
}

.layout:not(.collapsed) .toggle-btn .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

main {
  flex: 1;
  background-color: black;
  color: white;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

.guage {
  width: 100%;
  max-width: 250px;
}
.guage_body {
  width: 100%;
  height: 0;
  padding-bottom: 50%;
  background: linear-gradient(to right, red 0%, red 40%, yellow 55%, yellow 80%, green 85%);
  position: relative;
  border-top-left-radius: 100% 200%;
  border-top-right-radius: 100% 200%;
  overflow: hidden;
}
.guage_fill {
  position: absolute;
  top: 100%;
  left: 0;
  width: inherit;
  height: 100%;
  background: white;
  transform-origin: center top;
  transform: rotate(0turn);
  transition: transform 0.2s ease-out;
}
.guage_cover {
  width: 75%;
  height: 150%;
  background: black;
  border-radius: 50%;
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 25%;
  box-sizing: border-box;
}

.feedback-container {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  height: 15rem;
  position: relative;
}

.feedback-message {
  font-size: 1.2rem;
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.5s ease, opacity 0.5s ease;
  white-space: nowrap;
  margin: 0.2rem 0;
}

.stars {
  color: gold;
  font-size: 1.4rem;
  letter-spacing: 0.05rem;
  margin-right: 0.4rem;
}

.comment {
  color: white;
}

@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  main {
    padding: 1rem;
  }

  .layout {
    flex-direction: column;
  }

  .layout:not(.collapsed) #sidebar {
    visibility: visible;
  }

  .layout:not(collapsed)::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
  }

  .layout.collapsed main {
    pointer-events: none;
  }
}

h1 {
  font-family: 'Roboto', sans-serif;
  font-size: 2rem;
}

p {
  font-size: 1.5rem;
  opacity: 0.7;
}

.logo {
  font-weight: bold;
  color: var(--accent-clr);
  font-size: 1.2rem;
  margin-left: 3rem;
}