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

    :root {
      --bg:      #0d1117;
      --surface: #161b22;
      --card:    #1c2128;
      --border:  #30363d;
      --accent:  #f7df1e;
      --green:   #3fb950;
      --red:     #f85149;
      --text:    #e6edf3;
      --muted:   #8b949e;
    }

    body {
      font-family: 'Outfit', sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 24px;
    }

    .wrapper {
      width: 100%;
      max-width: 420px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    /* ── PROFILE CARD ── */
    .profile-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px 28px;
      text-align: center;
      position: relative;
      transition: border-color 0.3s;
    }

    .profile-card.updated {
      border-color: var(--green);
      animation: pulse 0.4s ease;
    }

    @keyframes pulse {
      0%   { transform: scale(1); }
      50%  { transform: scale(1.01); }
      100% { transform: scale(1); }
    }

    /* Top accent line */
    .profile-card::before {
      content: '';
      position: absolute;
      top: -1px; left: 40px; right: 40px;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
      border-radius: 2px;
    }

    /* Avatar */
    .avatar {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), #f0a500);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-family: 'Space Mono', monospace;
      font-size: 1.6rem;
      font-weight: 700;
      color: #111;
      transition: all 0.3s;
    }

    .profile-tag {
      font-family: 'Space Mono', monospace;
      font-size: 0.62rem;
      color: var(--accent);
      letter-spacing: 0.18em;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: block;
    }

    #profileName {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 6px;
      transition: color 0.3s;
    }

    #profileBio {
      font-size: 0.88rem;
      color: var(--muted);
      line-height: 1.5;
      transition: color 0.3s;
    }

    /* ── EDIT CARD ── */
    .edit-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 24px 28px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .edit-title {
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      color: var(--muted);
      letter-spacing: 0.15em;
      text-transform: uppercase;
    }

    /* ── FIELD ── */
    .field { display: flex; flex-direction: column; gap: 5px; }

    label {
      font-size: 0.74rem;
      font-weight: 600;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .input-row { display: flex; gap: 8px; }

    input[type="text"] {
      flex: 1;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      font-family: 'Outfit', sans-serif;
      font-size: 0.88rem;
      padding: 9px 13px;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(247,223,30,0.07);
    }

    input.error {
      border-color: var(--red);
      box-shadow: 0 0 0 3px rgba(248,81,73,0.08);
    }

    .err-msg {
      font-size: 0.72rem;
      color: var(--red);
      min-height: 14px;
      display: block;
    }

    /* ── BUTTON ── */
    .btn {
      padding: 9px 16px;
      border-radius: 8px;
      font-family: 'Outfit', sans-serif;
      font-size: 0.82rem;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: all 0.2s;
      white-space: nowrap;
    }

    .btn-yellow { background: var(--accent); color: #111; }
    .btn-yellow:hover { filter: brightness(1.1); transform: translateY(-1px); }

    /* ── TOAST ── */
    .toast {
      position: fixed;
      bottom: 28px;
      left: 50%;
      transform: translateX(-50%) translateY(20px);
      background: var(--green);
      color: #111;
      font-family: 'Space Mono', monospace;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 20px;
      opacity: 0;
      transition: all 0.3s;
      pointer-events: none;
      z-index: 999;
    }

    .toast.show {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }