@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=IBM+Plex+Mono:wght@400;500&family=DM+Sans:wght@300;400;500&display=swap');
/* El Taller shared styles — falomir.com.es */

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

:root {
  --bg:       #0d0f14;
  --surface:  #141720;
  --surface2: #181c24;
  --border:   #22262f;
  --amber:    #e8a045;
  --amber-dim:#9b6a2a;
  --text:     #c9cdd8;
  --muted:    #5a6070;
  --white:    #eef0f5;
  --green:    #5cb890;
  --green-dim:#2a5e42;
  --red:      #d96060;
  --red-dim:  #5e2a2a;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 999; opacity: .6;
}

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2.5rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(13,15,20,.85);
}

.nav-logo {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .7rem;
  color: var(--amber);
  letter-spacing: .12em;
  text-decoration: none;
}

.nav-tool {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .65rem;
  color: var(--muted);
  letter-spacing: .08em;
}

/* MAIN LAYOUT */
.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.page-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.page-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem;
  letter-spacing: .18em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: .75rem;
}

.page-title {
  font-family: 'DM Serif Display', serif;
  font-size: 2.8rem;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: .75rem;
}

.page-title em { font-style: italic; color: var(--amber); }

.page-sub {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* DROPZONE */
.dropzone {
  border: 1px dashed var(--border);
  background: var(--surface);
  padding: 3.5rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  position: relative;
}

.dropzone:hover, .dropzone.drag { border-color: var(--amber); background: var(--surface2); }

.drop-icon { font-size: 2rem; margin-bottom: 1rem; }

.drop-text {
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: .5rem;
}

.drop-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .65rem;
  color: var(--muted);
  opacity: .6;
}

.dropzone input[type="file"] {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer;
  width: 100%; height: 100%;
}

/* BUTTONS */
.btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .72rem;
  letter-spacing: .08em;
  padding: .8rem 1.8rem;
  border: 1px solid;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: .5rem;
  transition: all .2s;
  text-decoration: none;
  background: transparent;
}

.btn-primary { color: var(--bg); background: var(--amber); border-color: var(--amber); }
.btn-primary:hover { background: transparent; color: var(--amber); }

.btn-ghost { color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

.btn-danger { color: var(--red); border-color: var(--red-dim); }
.btn-danger:hover { background: var(--red-dim); }

.btn:disabled { opacity: .3; cursor: not-allowed; }

/* CARDS / PANELS */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.panel-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem;
  letter-spacing: .15em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}

/* FILE LIST */
.file-list { display: flex; flex-direction: column; gap: .5rem; margin-top: 1rem; }

.file-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: .85rem;
}

.file-name { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem;
  color: var(--muted);
  margin: 0 1rem;
}

.file-remove {
  font-size: .75rem;
  color: var(--muted);
  cursor: pointer;
  border: none; background: none;
  transition: color .2s;
}
.file-remove:hover { color: var(--red); }

/* PROGRESS */
.progress-bar {
  height: 2px;
  background: var(--border);
  margin-top: 1.5rem;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--amber);
  width: 0%;
  transition: width .3s;
}

/* OUTPUT */
.output {
  margin-top: 2rem;
  display: none;
}
.output.show { display: block; }

.output-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}

.badge {
  display: inline-flex;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .55rem;
  letter-spacing: .12em;
  padding: .25rem .6rem;
  border: 1px solid;
  text-transform: uppercase;
}
.badge-green { color: var(--green); border-color: var(--green-dim); }
.badge-amber { color: var(--amber); border-color: var(--amber-dim); }

/* FORM */
.form-group { margin-bottom: 1.25rem; }

label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem;
  letter-spacing: .12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: .5rem;
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .7rem 1rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .8rem;
  appearance: none;
  transition: border-color .2s;
}
input:focus, select:focus { outline: none; border-color: var(--amber); }

input[type="range"] {
  width: 100%;
  accent-color: var(--amber);
  background: transparent;
}

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* RESULT BOX */
.result-box {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-top: 1rem;
}

.result-num {
  font-family: 'DM Serif Display', serif;
  font-size: 2.5rem;
  color: var(--white);
  line-height: 1;
}
.result-num span { color: var(--amber); font-size: 1.2rem; }

.result-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem;
  color: var(--muted);
  letter-spacing: .12em;
  margin-top: .4rem;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem;
  color: var(--muted);
  display: flex; justify-content: space-between;
}

footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--amber); }

/* RESPONSIVE */
@media (max-width: 600px) {
  nav { padding: .75rem 1.25rem; }
  .page { padding: 2.5rem 1.25rem 4rem; }
  .page-title { font-size: 2rem; }
  .row, .row-3 { grid-template-columns: 1fr; }
}

/* ── LIGHT THEME ── */
body.light {
  --bg:        #f4f1eb;
  --surface:   #ede9e0;
  --surface2:  #e4e0d6;
  --border:    #d4cfc4;
  --amber:     #b87333;
  --amber-dim: #c89060;
  --text:      #3a3530;
  --muted:     #8a8070;
  --white:     #1a1510;
  --green:     #3a7a55;
  --green-dim: #2a5a40;
  --red:       #b04040;
  --red-dim:   #8a3030;
}

body.light::before { opacity: .25; }

/* Transitions suaves al cambiar tema */
body, nav, .step, .panel, .dropzone, .tool-card,
.label-card, .terminal, .result-box, .parse-ok,
.parse-err, input, select, textarea, .btn {
  transition: background .25s, color .25s, border-color .25s;
}

/* NAV en modo claro */
body.light nav { background: rgba(244,241,235,.9); }

/* Toggle de tema — disponible en todas las páginas */
.theme-toggle {
  font-family: 'IBM Plex Mono', monospace;
  font-size: .6rem; letter-spacing: .1em;
  padding: .35rem .75rem;
  border: 1px solid var(--border);
  background: none; color: var(--muted);
  cursor: pointer; transition: all .2s;
}
.theme-toggle:hover { border-color: var(--amber); color: var(--amber); }