:root {
  --bg: #050708;
  --panel: rgba(10, 12, 14, 0.72);
  --text: #e8e2d6;
  --muted: #8a8378;
  --faint: #555048;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --red: #e60000;
  --red-dim: #2e0000;
  --red-bright: #ff2b2b;
  --head: Impact, "Arial Black", "Franklin Gothic Heavy", sans-serif;
  --mono: "Courier New", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* fond constellation (canvas plein écran, derrière le contenu) */
#constellation {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}

/* bordures latérales rouges (référence radiobigbro) */
body::before,
body::after {
  content: '';
  position: fixed;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--red);
  z-index: 50;
  pointer-events: none;
}
body::before { left: 0; }
body::after  { right: 0; }

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

/* ---- topbar ------------------------------------------------------------ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
  background: rgba(5, 7, 8, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.brand-mark { display: block; }
.brand-mark path, .brand-mark circle {
  stroke: var(--text);
  fill: none;
}

.brand-name {
  font-family: var(--head);
  font-size: 22px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.topnav a { color: var(--muted); }
.topnav a:hover { color: var(--red-bright); }
.topnav .who { color: var(--text); }

/* ---- layout ------------------------------------------------------------ */
main {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 72px;
  position: relative;
  z-index: 1;
}

/* ---- primitives éditoriales -------------------------------------------- */
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 18px;
}

h1 {
  margin: 0;
  font-family: var(--head);
  font-size: clamp(40px, 7vw, 84px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-weight: 400;
}

.lede {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
  max-width: 50ch;
}

/* ---- formulaires -------------------------------------------------------- */
.field { display: block; margin-bottom: 22px; }

.field > span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 9px;
}

input {
  display: block;
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.45);
  color: var(--text);
  font-size: 15px;
  font-family: var(--mono);
  border-radius: 0;
  transition: border-color 0.15s;
}
input::placeholder { color: #4c463e; }
input:focus { outline: none; border-color: var(--red); background: rgba(0, 0, 0, 0.6); }

.btn {
  display: inline-block;
  cursor: pointer;
  border: 1.5px solid var(--red);
  background: transparent;
  color: var(--text);
  font-family: var(--head);
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 14px 26px;
  text-decoration: none;
  border-radius: 0;
  transition: background 0.16s, color 0.16s;
}
.btn:hover { background: var(--red); color: #000; }
.btn:active { transform: scale(0.98); }
.btn.ghost { border-color: var(--line-strong); }
.btn.ghost:hover { background: var(--text); color: #000; border-color: var(--text); }
.btn.big { font-size: 16px; padding: 18px 34px; }

/* ---- alerte ------------------------------------------------------------- */
.alert {
  border-left: 3px solid var(--red);
  background: var(--red-dim);
  color: var(--red-bright);
  padding: 12px 16px;
  margin-bottom: 22px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

/* ---- landing (auth centré) ---------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: calc(100vh - 64px - 80px);
  padding: 56px 0 48px;
}

.hero { max-width: 46ch; }

.hero h1 {
  font-size: clamp(56px, 9vw, 112px);
}

.hero .eyebrow { color: var(--red-bright); }

.auth-panel {
  width: 100%;
  max-width: 440px;
  justify-self: end;
  padding: 30px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--red);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.auth-panel .eyebrow { color: var(--red-bright); }

.form-foot {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-foot a { color: var(--text); border-bottom: 1px solid var(--line-strong); }
.form-foot a:hover { color: var(--red-bright); border-color: var(--red-bright); }

.app-note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.app-note strong { color: var(--text); font-weight: 400; }

/* ---- FAQ app mobile (dépliant discret) ------------------------------------ */
.app-faq {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.app-faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  user-select: none;
}
.app-faq summary::-webkit-details-marker { display: none; }
.app-faq summary::after {
  content: "+";
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  transition: transform 0.15s ease;
}
.app-faq[open] summary::after { transform: rotate(45deg); }
.app-faq summary:hover { color: var(--text); }
.app-faq-body {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.app-faq-body p { margin: 6px 0; }
.app-faq-body strong { color: var(--text); font-weight: 400; }
.faq-url {
  display: inline-block;
  margin: 4px 0;
  padding: 3px 8px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--line-strong);
  color: var(--text);
  letter-spacing: 0.12em;
  font-size: 13px;
}

/* ---- dashboard ---------------------------------------------------------- */
.dash-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.dash-head h1 { font-size: clamp(30px, 4.5vw, 54px); }

.dash-head .lede { margin-top: 14px; }

.dash-cta { flex: 0 0 auto; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.panel {
  background: var(--panel);
  padding: 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.panel h2 {
  margin: 0;
  font-family: var(--head);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.panel .eyebrow { margin-bottom: 12px; }

.panel-note {
  margin: 10px 0 16px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---- instructions d'accès (landing) -------------------------------------- */
.howto {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.howto .eyebrow { margin-bottom: 12px; }
.howto ol {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.howto strong { color: var(--text); font-weight: 400; letter-spacing: 0.03em; }

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; gap: 40px; min-height: 0; }
  .grid { grid-template-columns: 1fr; }
  .dash-head { flex-direction: column; align-items: flex-start; }
  .auth-panel { justify-self: stretch; max-width: none; }
  .hero h1 { font-size: clamp(48px, 16vw, 72px); }
}

.inline { display: inline; }

.invites {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
}
.invites li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.invites .code {
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--line-strong);
  color: var(--text);
  padding: 3px 8px;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-family: var(--mono);
  transition: border-color 0.15s, color 0.15s;
}
.invites .code:hover { border-color: var(--red-bright); color: var(--red-bright); }
.invites .code.copied { border-color: var(--red); color: var(--red-bright); }
.muted { color: var(--muted); }

/* ---- footer ------------------------------------------------------------ */
footer {
  text-align: center;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 22px;
  border-top: 1px solid var(--line);
}

/* ---- médias utilisateurs ------------------------------------------------- */
.media {
  margin-top: 40px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--red);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.media h2 {
  margin: 0;
  font-family: var(--head);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.media .eyebrow { margin-bottom: 12px; }

.media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 18px;
}

.media-card {
  position: relative;
  padding: 22px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
}

.media-tag {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--red-bright);
}

.select {
  display: block;
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.45);
  color: var(--text);
  font-size: 15px;
  font-family: var(--mono);
  border-radius: 0;
}
.select:focus { outline: none; border-color: var(--red); }
.select option { background: #0a0c0e; color: var(--text); }

.media-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.media-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-size: 13px;
  letter-spacing: 0.03em;
}
.media-ico { color: var(--muted); font-size: 14px; }
.media-ico.upload { color: var(--text); }
.media-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.media-state {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.media-state.done { color: #6fbf73; }
.media-state.processing, .media-state.pending { color: #d9a441; }
.media-state.error { color: var(--red-bright); }

@media (max-width: 760px) {
  .media-grid { grid-template-columns: 1fr; }
}

/* ---- onglets du tableau de bord ------------------------------------------ */
.seg-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.seg-tab {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 22px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.seg-tab:hover { color: var(--text); }
.seg-tab.is-active {
  color: var(--text);
  border-bottom-color: var(--red);
}

.seg-num {
  font-size: 10px;
  color: var(--faint);
  letter-spacing: 0.2em;
}
.seg-tab.is-active .seg-num { color: var(--red-bright); }

.tab-body { position: relative; }

.tab-pane { display: none; }
.tab-pane.is-active { display: block; animation: fade-in 0.18s ease; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

/* ---- spinner de téléchargement -------------------------------------------- */
.spinner {
  display: inline-block;
  width: 11px;
  height: 11px;
  vertical-align: -1px;
  margin-right: 5px;
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-top-color: var(--red-bright);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.media-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 26px 0 4px;
}
.media-head h3 {
  margin: 0;
  font-family: var(--head);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.media-poll {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

.media-empty {
  padding: 18px 0;
  color: var(--faint);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

@media (max-width: 760px) {
  .seg-tabs { overflow-x: auto; }
  .seg-tab { padding: 12px 14px; white-space: nowrap; }
}