frontend/src/index.css

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    --paper: #f5f0e6;
    --paper-strong: #efe5d1;
    --paper-dark: #d8cfbd;
    --ink: #111111;
    --red: #e54b2b;
    --orange: #ff9f1c;
    --yellow: #ffd84d;
    --green: #78c26d;
    --steel: #8c8377;
    --shadow: 8px 8px 0 #111111;
    --shadow-sm: 4px 4px 0 #111111;
    --shadow-lg: 12px 12px 0 #111111;
  }

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

  html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    min-height: 100vh;
    background:
      linear-gradient(90deg, transparent 0, transparent calc(100% - 24px), #111111 calc(100% - 24px), #111111 100%),
      linear-gradient(#00000010 1px, transparent 1px),
      linear-gradient(90deg, #00000010 1px, transparent 1px),
      var(--paper);
    background-size: auto, 28px 28px, 28px 28px, auto;
    color: var(--ink);
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.45;
    overflow-x: hidden;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-family: 'Archivo', sans-serif;
    font-weight: 900;
    line-height: 0.92;
    letter-spacing: -0.05em;
    text-transform: uppercase;
  }

  a {
    color: inherit;
  }

  button,
  input {
    font: inherit;
  }

  ::selection {
    background: var(--yellow);
    color: var(--ink);
  }

  ::-webkit-scrollbar {
    width: 12px;
    height: 12px;
  }

  ::-webkit-scrollbar-track {
    background: var(--paper-dark);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--ink);
    border: 2px solid var(--paper-dark);
  }
}

@layer components {
  .brutal-panel {
    background: var(--paper);
    border: 3px solid var(--ink);
    box-shadow: var(--shadow);
    position: relative;
  }

  .brutal-panel-alt {
    background: var(--paper-strong);
    border: 3px solid var(--ink);
    box-shadow: var(--shadow-sm);
    position: relative;
  }

  .neo-card {
    background: var(--paper);
    border: 3px solid var(--ink);
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }

  .neo-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #111111;
  }

  .btn-primary,
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    border: 3px solid var(--ink);
    padding: 0.9rem 1.25rem;
    font-family: 'Archivo', sans-serif;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.12s ease;
  }

  .btn-primary {
    background: var(--red);
    color: var(--paper);
    box-shadow: 6px 6px 0 #111111;
  }

  .btn-primary:hover:not(:disabled),
  .btn-secondary:hover:not(:disabled) {
    transform: translate(-2px, -2px);
  }

  .btn-primary:hover:not(:disabled) {
    box-shadow: 8px 8px 0 #111111;
    background: #cf3d1f;
  }

  .btn-primary:active:not(:disabled),
  .btn-secondary:active:not(:disabled) {
    transform: translate(4px, 4px);
    box-shadow: none;
  }

  .btn-primary:disabled,
  .btn-secondary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
  }

  .btn-secondary {
    background: var(--yellow);
    color: var(--ink);
    box-shadow: 5px 5px 0 #111111;
  }

  .input-field {
    width: 100%;
    border: 3px solid var(--ink);
    background: #fffdf8;
    color: var(--ink);
    padding: 1rem 1rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.95rem;
    outline: none;
    box-shadow: inset 0 0 0 0 #111111;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  }

  .input-field::placeholder {
    color: #6d665c;
  }

  .input-field:focus {
    background: #fff7dc;
    box-shadow: 4px 4px 0 #111111;
    transform: translate(-1px, -1px);
  }

  .mono-url,
  .mono-label {
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
  }

  .mono-url {
    font-size: 0.86rem;
    letter-spacing: 0.01em;
    word-break: break-all;
  }

  .mono-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid var(--ink);
    background: var(--yellow);
    color: var(--ink);
    padding: 0.35rem 0.65rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 3px 3px 0 #111111;
  }

  .divider {
    height: 3px;
    width: 100%;
    background: var(--ink);
  }

  .kicker {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .paper-stack::before {
    content: '';
    position: absolute;
    inset: 10px -10px -10px 10px;
    background: var(--orange);
    border: 3px solid var(--ink);
    z-index: -1;
  }

  .ink-stamp {
    border: 3px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
    padding: 0.35rem 0.6rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
  }
}