static/style.css

/* static/style.css  –  FULL FILE
   ----------------------------------------------------------
   Dark‑mode GitHub‑inspired design for AnyCoder AI
   ---------------------------------------------------------- */

:root {
  /* --------  color system  -------- */
  --bg:            #0d1117;
  --bg‑secondary:  #161b22;
  --border:        #30363d;
  --surface:       #21262d;
  --text:          #c9d1d9;
  --text‑muted:    #8b949e;
  --accent:        #58a6ff;
  --accent‑hover:  #79c0ff;
  --danger:        #f85149;
  --success:       #56d364;

  /* --------  misc  -------- */
  --radius:    8px;
  --transition: .2s ease;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

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

body{
  margin:0;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height:1.6;
}

/* ----------------------------------  LAYOUT  */
header{
  text-align:center;
  padding:2rem 1rem 1rem;
}
header h1{
  font-size:2rem;
  margin:0 0 .25rem;
}
header p{
  color:var(--text‑muted);
  margin:0;
}

main{
  max-width:960px;
  margin:0 auto 4rem;
  padding:0 1rem;
  display:flex;
  flex-direction:column;
  gap:2rem;
}

/* ----------------------------------  SECTIONS  */
section{
  background:var(--bg‑secondary);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.5rem;
}
h2{
  margin-top:0;
  font-size:1.25rem;
}

/* ----------------------------------  INPUTS  */
label{ font-weight:600; margin:.5rem 0; display:block; }

select,
input[type="file"],
input[type="url"],
textarea{
  width:100%;
  padding:.75rem;
  font-size:1rem;
  color:var(--text);
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  transition:border-color var(--transition);
}
select:focus,
input:focus,
textarea:focus{
  outline:none;
  border-color:var(--accent);
}
textarea{
  resize:vertical;
  min-height:140px;
  font-family:var(--mono);
}

/* ----------------------------------  TABS  */
.tabs{
  display:flex;
  gap:.5rem;
  margin-bottom:1rem;
}
.tabs button{
  padding:.4rem 1rem;
  background:transparent;
  border:1px solid var(--border);
  border-radius:var(--radius);
  color:var(--text‑muted);
  cursor:pointer;
  transition:background var(--transition),color var(--transition);
}
.tabs button[aria-selected="true"]{
  background:var(--accent);
  color:var(--bg);
  border-color:var(--accent);
}
.tabs button:hover:not([aria-selected="true"]){
  background:var(--surface);
  color:var(--text);
}

/* ----------------------------------  ACTION BUTTONS  */
.actions{
  display:flex;
  gap:.75rem;
  justify-content:flex-end;
  flex-wrap:wrap;
}
button{
  border:none;
  border-radius:var(--radius);
  cursor:pointer;
  font-size:1rem;
  padding:.7rem 1.5rem;
  transition:background var(--transition),opacity var(--transition);
}
#clear{
  background:var(--border);
  color:var(--text);
}
#clear:hover{ background:var(--surface); }
#generate{
  background:var(--accent);
  color:var(--bg);
}
#generate:hover{ background:var(--accent‑hover); }
#generate:disabled{ opacity:.6; cursor:progress; }

/* ----------------------------------  OUTPUT PANELS  */
pre{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1rem;
  overflow-x:auto;
  font-family:var(--mono);
  font-size:.9rem;
  margin:0;
}
iframe{
  width:100%;
  height:420px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:#fff;
}

/* visually hidden utility */
.visually-hidden{
  position:absolute !important;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
}

/* ----------------------------------  RESPONSIVE  */
@media (max-width:640px){
  header{padding-top:1.5rem;}
  header h1{font-size:1.6rem;}
  section{padding:1.2rem;}
  .actions{flex-direction:column;}
}