:root {
  color-scheme: light;
  --bg: #111827;
  --panel: #fff8e8;
  --panel-strong: #ffefbd;
  --text: #241c25;
  --muted: #6d5870;
  --border: #241c25;
  --focus: #00a7a5;
  --button: #ff5c8a;
  --button-hover: #eb3d73;
  --button-shadow: #7a1e42;
  --danger: #c32148;
  --input: #fffdf5;
  --terminal: #171923;
  --terminal-text: #fbf1ca;
  --shadow: 10px 10px 0 rgba(18, 19, 32, 0.74);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 18px),
    linear-gradient(135deg, #201238 0%, #18305f 38%, #006c67 68%, #f3b43f 130%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 24%, rgba(0, 0, 0, 0.16));
  mix-blend-mode: soft-light;
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  width: min(980px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-items: center;
  padding: 40px 0;
}

.generator {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), transparent 48%),
    var(--panel);
  border: 3px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: clamp(20px, 4vw, 40px);
}

.generator::before {
  content: "";
  position: absolute;
  inset: 10px;
  z-index: 0;
  border: 1px dashed rgba(36, 28, 37, 0.16);
  pointer-events: none;
}

.intro,
.controls,
.output-panel {
  position: relative;
  z-index: 1;
}

.intro {
  margin-bottom: 28px;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 8px;
  display: inline-block;
  color: #fffdf5;
  background: var(--text);
  border: 2px solid var(--text);
  box-shadow: 4px 4px 0 var(--panel-strong);
  padding: 5px 9px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: 4rem;
  text-wrap: balance;
  text-shadow: 3px 3px 0 var(--panel-strong);
}

h2 {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1rem;
  text-transform: uppercase;
}

.controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  min-height: 52px;
  border: 3px solid var(--border);
  border-radius: 4px;
  padding: 11px 13px;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 243, 196, 0.36)),
    var(--input);
  box-shadow: 5px 5px 0 rgba(36, 28, 37, 0.22);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.field input:focus,
textarea:focus {
  outline: 0;
  border-color: var(--focus);
  box-shadow: 5px 5px 0 rgba(0, 167, 165, 0.28);
  transform: translate(-1px, -1px);
}

.input-text {
  grid-column: 1 / -1;
}

.error {
  min-height: 18px;
  color: var(--danger);
  font-size: 0.82rem;
  font-weight: 700;
}

.output-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
  background:
    repeating-linear-gradient(0deg, rgba(36, 28, 37, 0.045) 0 1px, transparent 1px 12px),
    #ffe8a8;
  border: 3px solid var(--border);
  border-radius: 6px;
  box-shadow: 6px 6px 0 rgba(36, 28, 37, 0.24);
}

.output-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.copy-button {
  min-width: 96px;
  min-height: 44px;
  border: 3px solid var(--border);
  border-radius: 4px;
  background: var(--button);
  color: #ffffff;
  cursor: pointer;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: 5px 5px 0 var(--button-shadow);
  transition: background 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.copy-button:hover:not(:disabled) {
  background: var(--button-hover);
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--button-shadow);
}

.copy-button:active:not(:disabled) {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--button-shadow);
}

.copy-button:focus-visible {
  outline: 3px solid rgba(0, 167, 165, 0.36);
  outline-offset: 2px;
}

.copy-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

textarea {
  width: 100%;
  min-height: 280px;
  resize: vertical;
  border: 3px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  color: var(--terminal-text);
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 14px),
    var(--terminal);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.05), 5px 5px 0 rgba(36, 28, 37, 0.24);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88rem;
  line-height: 1.45;
  white-space: pre;
}

.status {
  min-height: 20px;
  margin: 0;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}

@media (max-width: 680px) {
  .app-shell {
    width: min(100% - 20px, 980px);
    align-items: start;
    padding: 20px 0;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .output-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .copy-button {
    width: 100%;
  }

  textarea {
    min-height: 240px;
    font-size: 0.78rem;
  }

  h1 {
    font-size: 2.45rem;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 2.15rem;
  }
}