/* ============================================================
   MIRE-DIAG  -  Feuille de style principale
   ============================================================ */

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

:root {
  --color-bg:        #f5f7fa;
  --color-surface:   #ffffff;
  --color-border:    #dde3ec;
  --color-primary:   #1a73e8;
  --color-primary-d: #1558b0;
  --color-success:   #34a853;
  --color-warn:      #fbbc04;
  --color-danger:    #ea4335;
  --color-text:      #202124;
  --color-muted:     #5f6368;
  --color-code-bg:   #1e1e2e;
  --color-code-fg:   #cdd6f4;
  --radius:          8px;
  --shadow:          0 1px 4px rgba(0,0,0,.12);
  --font-sans:       system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono:       'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- BANDEAU IP --- */
#ip-banner {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
  color: #fff;
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.ip-banner-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.ip-banner-title {
  font-weight: 700;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: #93c5fd;
  flex: 0 0 auto;
}
.ip-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  padding: 4px 10px;
}
.ip-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #93c5fd;
  letter-spacing: .05em;
  min-width: 32px;
}
.ip-value {
  font-family: var(--font-mono);
  font-size: .92rem;
  font-weight: 600;
  color: #f0f9ff;
  min-width: 120px;
}
.ip-value.loading  { color: #94a3b8; font-style: italic; }
.ip-value.unavailable { color: #f87171; font-size: .82rem; }
.btn-copy {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 3px 10px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-copy:hover { background: var(--color-primary-d); }
.ip-copied {
  font-size: .78rem;
  color: #86efac;
  font-weight: 600;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.ip-copied.show { opacity: 1; }

/* --- Layout --- */
.container {
  max-width: 820px;
  margin: 32px auto;
  padding: 0 16px;
  flex: 1;
}
header {
  text-align: center;
  margin-bottom: 32px;
}
header h1 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 6px;
}
header .subtitle {
  color: var(--color-muted);
  font-size: 1rem;
}

/* --- Barre de progression --- */
#progress-bar-wrap {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
}
#progress-bar {
  height: 100%;
  background: var(--color-primary);
  transition: width .35s ease;
  width: 0%;
}

/* --- Wizard --- */
#wizard {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.step { display: none; padding: 32px; animation: fadeIn .25s ease; }
.step.active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.step h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 10px;
}
.step-intro {
  color: var(--color-muted);
  margin-bottom: 20px;
  font-size: .97rem;
  background: #f0f7ff;
  border-left: 3px solid var(--color-primary);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
}

/* --- Formulaire --- */
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: .95rem; }
.form-group input[type="text"],
.form-group textarea {
  width: 100%;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: .97rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color .15s;
  resize: vertical;
}
.form-group input[type="text"]:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(26,115,232,.15);
}

/* --- Boutons choix --- */
.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }
.choice-btn {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: 6px;
  padding: 8px 18px;
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text);
  transition: border-color .15s, background .15s, color .15s;
}
.choice-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: #e8f0fe; }
.choice-btn.selected { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* --- Blocs commande --- */
.cmd-block {
  background: var(--color-code-bg);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
}
.cmd-label { display: block; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: #94a3b8; margin-bottom: 8px; }
.cmd-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cmd-line code { font-family: var(--font-mono); font-size: .97rem; color: var(--color-code-fg); flex: 1; word-break: break-all; }
.btn-copy-cmd {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #e2e8f0;
  border-radius: 4px;
  padding: 4px 12px;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.btn-copy-cmd:hover { background: rgba(255,255,255,.2); }
.cmd-hint { font-size: .82rem; color: #94a3b8; margin-top: 8px; font-style: italic; }
.cmd-copied { font-size: .8rem; color: #86efac; font-weight: 600; opacity: 0; transition: opacity .3s; pointer-events: none; }
.cmd-copied.show { opacity: 1; }

/* --- Rapport --- */
.report-block { position: relative; }
.report-block textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: .88rem;
  line-height: 1.55;
  background: #1e1e2e;
  color: #cdd6f4;
  border: 1px solid #313244;
  border-radius: var(--radius);
  padding: 16px;
  resize: vertical;
}
.btn-copy-report {
  display: block;
  margin-top: 12px;
  background: var(--color-success);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 24px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
}
.btn-copy-report:hover { background: #2d9248; }

/* --- Navigation --- */
.nav-btns { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; gap: 10px; flex-wrap: wrap; }
.btn-prev, .btn-next, .btn-restart { border: none; border-radius: 6px; padding: 10px 22px; font-size: .97rem; font-weight: 700; cursor: pointer; transition: background .15s; }
.btn-next { background: var(--color-primary); color: #fff; margin-left: auto; }
.btn-next:hover { background: var(--color-primary-d); box-shadow: 0 2px 8px rgba(26,115,232,.3); }
.btn-prev { background: var(--color-bg); color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn-prev:hover { background: var(--color-border); }
.btn-restart { background: #f1f3f4; color: var(--color-text); border: 1.5px solid var(--color-border); }
.btn-restart:hover { background: var(--color-border); }

/* --- Footer --- */
footer { text-align: center; padding: 18px; color: var(--color-muted); font-size: .85rem; border-top: 1px solid var(--color-border); background: var(--color-surface); margin-top: auto; }

/* --- Responsive --- */
@media (max-width: 600px) {
  .ip-banner-inner { gap: 10px; }
  .ip-banner-title { display: none; }
  .step { padding: 20px 16px; }
  .container { margin: 16px auto; }
  header h1 { font-size: 1.4rem; }
  .choice-btn { padding: 7px 12px; font-size: .85rem; }
}