/* Enne Analyzer — design système (réécrit propre, inspiré du visuel original).
   Fond sombre, gradient indigo/violet, cards arrondies. Aucune copie ligne-à-ligne. */

:root {
  --bg:        #0c0d1a;
  --bg-soft:   #14152a;
  --card:      #181a32;
  --card-2:    #1f2142;
  --border:    #2a2c4d;
  --text:      #e9e9f5;
  --muted:     #9a9bc0;
  --primary:   #6d5cff;
  --primary-2: #4f46e5;
  --accent:    #18c29c;
  --danger:    #ff5d7a;
  --warn:      #ffb454;
  --radius:    14px;
  --gap:       1rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1b1d3a 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

/* ─── Bandeau démo ─── */
.demo-banner {
  background: linear-gradient(90deg, var(--warn), #ff8a4c);
  color: #2a1800;
  font-weight: 700;
  text-align: center;
  padding: .5rem 1rem;
  font-size: .9rem;
  letter-spacing: .02em;
}

/* ─── Layout ─── */
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* ─── Stepper ─── */
.stepper {
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  padding: 1.6rem 1.2rem;
  display: flex;
  flex-direction: column;
}
.brand { margin-bottom: 2rem; }
.brand-mark {
  font-size: 1.6rem; font-weight: 800;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-sub { display: block; color: var(--muted); font-size: .85rem; letter-spacing: .25em; text-transform: uppercase; }

.steps { list-style: none; margin: 0; padding: 0; flex: 1; }
.step {
  display: flex; align-items: center; gap: .7rem;
  padding: .7rem .8rem; margin-bottom: .35rem;
  border-radius: 10px; color: var(--muted);
  cursor: pointer; transition: background .15s, color .15s;
  font-size: .95rem;
}
.step:hover { background: var(--card); color: var(--text); }
.step.is-active { background: var(--card-2); color: var(--text); }
.step.is-done .step-num { background: var(--accent); color: #042; }
.step-num {
  display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--card); color: var(--text);
  font-size: .8rem; font-weight: 700;
}
.step.is-active .step-num { background: linear-gradient(135deg, var(--primary), var(--primary-2)); }

.stepper-foot { margin-top: 1.5rem; }
.badge {
  display: inline-block; padding: .3rem .6rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600;
}
.badge-muted { background: var(--card); color: var(--muted); }
.badge-ok     { background: rgba(24,194,156,.15); color: var(--accent); }
.badge-offline{ background: rgba(255,180,84,.15);  color: var(--warn); }

/* ─── Panels ─── */
.panels { padding: 2.2rem 2.6rem; }
.panel { display: none; max-width: 880px; animation: fade .2s ease; }
.panel.is-active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

h2 { font-size: 1.5rem; margin: 0 0 .4rem; }
.lead { color: var(--muted); margin: 0 0 1.6rem; max-width: 60ch; }
.muted { color: var(--muted); }

/* ─── Formulaire morpho ─── */
.grid-form {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap);
}
.grid-form label {
  display: flex; flex-direction: column; gap: .35rem;
  font-size: .85rem; color: var(--muted);
}
.grid-form input {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: .6rem .7rem; font-size: 1rem;
}
.grid-form input:focus { outline: 2px solid var(--primary); border-color: transparent; }

/* ─── Dropzone ─── */
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 2.5rem; text-align: center; color: var(--muted);
  cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.is-hover { border-color: var(--primary); background: var(--card); }
.dropzone.is-set { border-color: var(--accent); color: var(--text); }

/* ─── Chips / placeholders ─── */
.phase-chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.phase-chips li {
  background: var(--card); border: 1px solid var(--border);
  padding: .6rem 1rem; border-radius: 999px; font-size: .9rem;
}
.placeholder-box {
  background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 2rem; text-align: center; color: var(--muted);
}

/* ─── Viewer ─── */
.viewer {
  width: 100%; height: 340px; border-radius: var(--radius);
  background: #0a0b16; border: 1px solid var(--border); overflow: hidden;
  display: grid; place-items: center; color: var(--muted);
}
.viewer canvas { display: block; }

/* ─── Boutons ─── */
.actions { display: flex; gap: .8rem; margin-top: 2rem; }
.btn {
  border: none; border-radius: 10px; padding: .7rem 1.1rem;
  font-size: .95rem; font-weight: 600; cursor: pointer; color: var(--text);
  transition: transform .08s, filter .15s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.btn-accent  { background: linear-gradient(135deg, var(--accent), #0f9e8a); color: #042; }
.btn-ghost   { background: var(--card); border: 1px solid var(--border); }
.btn:hover:not(:disabled) { filter: brightness(1.08); }

/* ─── Résultats / diagnostic ─── */
.result-meta { margin-bottom: 1rem; color: var(--muted); font-size: .85rem; }
.diagnostic { display: grid; gap: 1rem; }
.pillar-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.1rem 1.3rem;
}
.pillar-card h3 { margin: 0 0 .8rem; font-size: 1.05rem; }
.angle-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.angle-table th, .angle-table td { text-align: right; padding: .35rem .6rem; border-bottom: 1px solid var(--border); }
.angle-table th:first-child, .angle-table td:first-child { text-align: left; }
.angle-table thead th { color: var(--muted); font-weight: 600; }
.delta-ok   { color: var(--accent); }
.delta-prob { color: var(--warn); }
.delta-hyp  { color: var(--danger); }
.spinner { color: var(--muted); }

/* Lien vers l'outil de debug (séparé du pipeline principal) */
.debug-link {
  display: inline-block; margin-top: .6rem; font-size: .8rem;
  color: var(--muted); text-decoration: none; border: 1px solid var(--border);
  border-radius: 999px; padding: .25rem .6rem;
}
.debug-link:hover { color: var(--text); border-color: var(--primary); }

/* ─── Capture HRNet : frames + overlay keypoints ─── */
.frames-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.frame-card { margin: 0; }
.frame-card .kp-canvas {
  width: 100%; height: auto; display: block;
  background: #000; border: 1px solid var(--border); border-radius: .5rem;
}
.frame-card figcaption { margin-top: .4rem; font-size: .82rem; color: var(--muted); }

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .stepper { flex-direction: row; align-items: center; overflow-x: auto; }
  .steps { display: flex; gap: .4rem; }
  .grid-form { grid-template-columns: 1fr; }
  .frames-grid { grid-template-columns: 1fr; }
}