:root {
  --blue: #60b5ff;
  --orange: #ff9149;
  --ink: #0a0a0a;
  --cream: #fdfaf2;
  --shadow: 5px 5px 0px var(--ink);
  --shadow-lg: 7px 7px 0px var(--ink);
  --shadow-sm: 3px 3px 0px var(--ink);
  --border: 3px solid var(--ink);
  --border-thick: 4px solid var(--ink);
}

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

body {
  font-family: "Space Mono", monospace;
  background-color: var(--cream);
  padding: 48px 20px;
  min-height: 100vh;
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
  background-color: #fdfaf2;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(253, 250, 242, 0.88);
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  max-width: 560px;
  margin: 0 auto;
}

h1 {
  font-family: "Archivo Black", sans-serif;
  text-align: center;
  margin-bottom: 32px;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: -1px;
  color: var(--ink);
  background-color: var(--blue);
  padding: 14px 28px;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.input-box {
  display: flex;
  width: 100%;
  margin-bottom: 28px;
}

#itemInput {
  flex: 1;
  padding: 14px 16px;
  font-size: 15px;
  font-family: "Space Mono", monospace;
  background-color: #fff;
  color: var(--ink);
  border: var(--border-thick);
  border-right: 2px solid var(--ink);
  outline: none;
  transition: background-color 0.15s;
}

#itemInput:focus {
  background-color: #e8f4ff;
}

#itemInput::placeholder {
  color: #999;
  font-style: italic;
}

#addBtn {
  padding: 14px 26px;
  font-size: 14px;
  font-family: "Archivo Black", sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  background-color: var(--orange);
  color: var(--ink);
  border: var(--border-thick);
  border-left: 2px solid var(--ink);
  box-shadow: var(--shadow);
  transition:
    transform 0.1s,
    box-shadow 0.1s;
}

#addBtn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

#addBtn:active {
  transform: translate(4px, 4px);
  box-shadow: 1px 1px 0px var(--ink);
}

#list {
  list-style-type: none;
  width: 100%;
}

#list li {
  padding: 14px 16px;
  margin-bottom: 12px;
  border: var(--border);
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "Space Mono", monospace;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  transition:
    transform 0.12s,
    box-shadow 0.12s;
  word-break: break-word;
}

#list li:nth-child(odd) {
  background-color: var(--blue);
}

#list li:nth-child(even) {
  background-color: #fff;
}

#list li:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lg);
}

#list li button {
  background-color: var(--orange);
  color: var(--ink);
  border: var(--border);
  padding: 6px 14px;
  cursor: pointer;
  font-family: "Archivo Black", sans-serif;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.1s,
    box-shadow 0.1s;
  flex-shrink: 0;
  margin-left: 16px;
}

#list li button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px var(--ink);
}

#list li button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--ink);
}

footer {
  position: absolute;
  z-index: 1;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  border: var(--border-thick);
  box-shadow: var(--shadow);
  background-color: var(--orange);
  font-family: "Space Mono", monospace;
  font-size: 13px;
  color: var(--ink);
  text-align: center;
  width: 100%;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

footer strong {
  font-family: "Archivo Black", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.social-link {
  font-family: "Space Mono", monospace;
  font-size: 12px;
  color: var(--ink);
  text-decoration: none;
  padding: 5px 12px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.1s,
    box-shadow 0.1s;
  display: inline-block;
}

.social-link.twitter {
  background-color: var(--blue);
}

.social-link.github {
  background-color: var(--cream);
}

.social-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--ink);
}

.social-link:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--ink);
}

#list li span {
  flex: 1;
  word-break: break-word;
}

#list li.editing {
  background-color: #fffbea !important;
}

.edit-input {
  flex: 1;
  padding: 2px 6px;
  font-size: 14px;
  font-family: "Space Mono", monospace;
  background-color: #fff;
  color: var(--ink);
  border: 2px solid var(--ink);
  outline: none;
  box-shadow: 2px 2px 0px var(--ink);
}