/* Marty — design system (Apple HIG iOS/macOS). Mobile-first, clair + sombre. */

:root {
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
          "Segoe UI", Roboto, system-ui, sans-serif;

  /* Palette claire (défaut) */
  --bg: #f2f2f7;              /* systemGroupedBackground */
  --bg-elevated: #ffffff;
  --card: #ffffff;
  --card-2: #f7f7fb;
  --separator: rgba(60,60,67,0.16);
  --text: #1c1c1e;
  --text-2: #3c3c43;
  --text-3: rgba(60,60,67,0.6);   /* secondary label */
  --text-4: rgba(60,60,67,0.3);
  --accent: #0a84ff;
  --accent-ink: #ffffff;
  --green: #34c759;
  --orange: #ff9500;
  --red: #ff3b30;
  --fill: rgba(120,120,128,0.12);
  --fill-strong: rgba(120,120,128,0.20);
  --shadow: 0 1px 2px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.05);
  --nav-bg: rgba(255,255,255,0.8);
  --radius: 16px;
  --radius-sm: 10px;
  --tap: 44px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-elevated: #1c1c1e;
    --card: #1c1c1e;
    --card-2: #2c2c2e;
    --separator: rgba(84,84,88,0.6);
    --text: #ffffff;
    --text-2: #ebebf5;
    --text-3: rgba(235,235,245,0.6);
    --text-4: rgba(235,235,245,0.3);
    --accent: #0a84ff;
    --green: #30d158;
    --orange: #ff9f0a;
    --red: #ff453a;
    --fill: rgba(120,120,128,0.24);
    --fill-strong: rgba(120,120,128,0.36);
    --shadow: none;
    --nav-bg: rgba(28,28,30,0.8);
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); background: var(--bg); color: var(--text);
  font-size: 17px; line-height: 1.4; letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(64px + var(--safe-b)); /* place tab bar mobile */
}
a { color: var(--accent); text-decoration: none; }
h1,h2,h3 { letter-spacing: -0.022em; }

/* ------------------------------------------------------------------ layout */
.app { min-height: 100vh; }

/* Sidebar desktop (masquée en mobile) */
.sidebar { display: none; }

/* En-tête compact mobile */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 10px;
  padding: calc(8px + var(--safe-t)) 16px 8px;
  background: var(--nav-bg); backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid var(--separator);
}
.topbar .brand { font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 6px; }
.topbar .grow { flex: 1; }
.topbar .live { display: inline-flex; align-items: center; gap: 6px; color: var(--text-3); font-size: 13px; }

.content { padding: 16px; max-width: 900px; margin: 0 auto; }
.page-title { font-size: 28px; font-weight: 700; margin: 8px 2px 2px; }
.page-sub { color: var(--text-3); font-size: 15px; margin: 0 2px 16px; }

/* ------------------------------------------------------------ tab bar mobile */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: flex; justify-content: space-around; align-items: stretch;
  padding-bottom: var(--safe-b);
  background: var(--nav-bg); backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 0.5px solid var(--separator);
}
.tabbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; padding: 8px 4px; min-height: 52px;
  color: var(--text-3); font-size: 10px; font-weight: 500;
}
.tabbar a.active { color: var(--accent); }
.tabbar a .ic { width: 26px; height: 26px; }

/* --------------------------------------------------------------------- cards */
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; margin-bottom: 16px;
}
.card + .card { margin-top: 0; }

/* Carte compte — accueil */
.acct-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.acct-name { font-size: 20px; font-weight: 700; }
.status-line { display: flex; align-items: center; gap: 8px; margin-top: 6px; font-size: 15px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-4); flex: none; }
.dot.ok { background: var(--green); } .dot.warn { background: var(--orange); }
.dot.bad { background: var(--red); } .dot.neutral { background: var(--text-4); }
.status-text.ok { color: var(--text); } .status-text.warn { color: var(--orange); }
.status-text.bad { color: var(--red); } .status-text.neutral { color: var(--text-3); }

.equity-block { display: flex; align-items: flex-end; justify-content: space-between; margin: 18px 0 4px; }
.equity { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.equity .cur { font-size: 22px; color: var(--text-3); font-weight: 600; margin-left: 4px; }
.pnl-day { text-align: right; font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.pnl-day .lbl { display: block; font-size: 12px; color: var(--text-3); font-weight: 500; }
.pos { color: var(--green); } .neg { color: var(--red); } .flat { color: var(--text-3); }

.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin: 10px 0 4px; }
.metric .k { font-size: 12px; color: var(--text-3); }
.metric .v { font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; }

.spark { width: 100%; height: 56px; display: block; margin-top: 8px; }

/* liste de positions */
.poslist { margin-top: 10px; }
.pos-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-top: 0.5px solid var(--separator); }
.pos-row .side { font-weight: 600; }
.pos-row .badge-side { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--fill); }
.pos-row .grow { flex: 1; }
.pos-row .pnl { font-weight: 600; font-variant-numeric: tabular-nums; }
.pos-meta { color: var(--text-3); font-size: 13px; }

/* section repliable détails */
details.tech { margin-top: 12px; border-top: 0.5px solid var(--separator); padding-top: 8px; }
details.tech summary { color: var(--accent); font-size: 15px; cursor: pointer; list-style: none; }
details.tech summary::-webkit-details-marker { display: none; }
details.tech .kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin-top: 10px; font-size: 14px; }
details.tech .kv .k { color: var(--text-3); } details.tech .kv .v { text-align: right; font-variant-numeric: tabular-nums; }

.card-actions { display: flex; gap: 10px; margin-top: 14px; }

/* ------------------------------------------------------------------ buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: var(--tap); padding: 11px 18px; border-radius: 12px; border: none;
  font-family: var(--font); font-size: 16px; font-weight: 600; cursor: pointer;
  background: var(--fill); color: var(--text); transition: opacity .15s, transform .05s;
}
.btn:active { transform: scale(0.98); opacity: 0.85; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.tinted { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }
.btn.destructive { background: color-mix(in srgb, var(--red) 15%, transparent); color: var(--red); }
.btn.block { width: 100%; }
.btn.small { min-height: 36px; padding: 7px 14px; font-size: 15px; }
.btn:disabled { opacity: 0.4; }

/* ------------------------------------------------------ listes groupées iOS */
.grouped { margin-bottom: 22px; }
.grouped > .sect-title { font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.02em; color: var(--text-3); margin: 0 16px 7px; }
.list { background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.row { display: flex; align-items: center; gap: 12px; min-height: var(--tap);
  padding: 10px 16px; border-top: 0.5px solid var(--separator); }
.row:first-child { border-top: none; }
.row .row-label { flex: 1; font-size: 16px; }
.row .row-label small { display: block; color: var(--text-3); font-size: 12px; font-weight: 400; }
.row .row-value { color: var(--text-3); font-variant-numeric: tabular-nums; text-align: right; }
.row.link .row-value::after { content: "›"; margin-left: 8px; color: var(--text-4); font-size: 20px; }
.row.tap { cursor: pointer; } .row.tap:active { background: var(--fill); }

/* champ dans une row */
.field-inline { display: flex; align-items: center; gap: 8px; }
.field-inline input[type=text], .field-inline input[type=number], .field-inline input[type=time],
.field-inline select {
  border: none; background: transparent; color: var(--text); font: inherit; text-align: right;
  max-width: 160px; padding: 6px 0; font-variant-numeric: tabular-nums;
}
.field-inline .unit { color: var(--text-3); font-size: 14px; }
.field-inline select { text-align: right; }

/* switch iOS */
.switch { position: relative; width: 51px; height: 31px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track { position: absolute; inset: 0; background: var(--fill-strong); border-radius: 999px; transition: background .2s; }
.switch .thumb { position: absolute; top: 2px; left: 2px; width: 27px; height: 27px; background: #fff;
  border-radius: 50%; box-shadow: 0 2px 4px rgba(0,0,0,0.25); transition: transform .2s; }
.switch input:checked + .track { background: var(--green); }
.switch input:checked + .track .thumb { transform: translateX(20px); }

/* champs plein largeur (login/setup) */
.form-field { margin-bottom: 14px; }
.form-field label { display: block; font-size: 13px; color: var(--text-3); margin: 0 0 6px 4px; }
.input {
  width: 100%; min-height: var(--tap); padding: 12px 14px; font: inherit;
  background: var(--card); color: var(--text); border: 0.5px solid var(--separator);
  border-radius: 12px; -webkit-appearance: none; appearance: none;
}
.input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.errorlist { list-style: none; padding: 0; margin: 6px 0 0 4px; color: var(--red); font-size: 13px; }
.help { color: var(--text-3); font-size: 13px; }

/* ------------------------------------------------------------------- tables */
.table-wrap { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 11px 14px; border-top: 0.5px solid var(--separator); white-space: nowrap; }
thead th { border-top: none; color: var(--text-3); font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.02em; position: sticky; top: 0; background: var(--card); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* badges */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--fill); color: var(--text-2); }
.badge.ok { background: color-mix(in srgb, var(--green) 16%, transparent); color: var(--green); }
.badge.warn { background: color-mix(in srgb, var(--orange) 16%, transparent); color: var(--orange); }
.badge.bad { background: color-mix(in srgb, var(--red) 16%, transparent); color: var(--red); }
.badge.neutral { background: var(--fill); color: var(--text-3); }

/* état vide */
.empty { text-align: center; color: var(--text-3); padding: 28px 16px; }
.empty .big { font-size: 34px; }

/* segmented / filtres */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.filters .form-field { margin: 0; }
.filters .input { min-width: 130px; }

/* ------------------------------------------------------------- action sheet */
.sheet-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 100;
  opacity: 0; pointer-events: none; transition: opacity .2s; }
.sheet-backdrop.open { opacity: 1; pointer-events: auto; }
.sheet {
  position: fixed; left: 8px; right: 8px; bottom: calc(8px + var(--safe-b)); z-index: 101;
  transform: translateY(120%); transition: transform .28s cubic-bezier(.22,1,.36,1);
  display: flex; flex-direction: column; gap: 8px;
}
.sheet.open { transform: translateY(0); }
.sheet .group { background: var(--bg-elevated); border-radius: 14px; overflow: hidden; }
.sheet .title { padding: 16px; text-align: center; color: var(--text-3); font-size: 13px; border-bottom: 0.5px solid var(--separator); }
.sheet .act { display: block; width: 100%; background: transparent; border: none; border-top: 0.5px solid var(--separator);
  padding: 16px; font: inherit; font-size: 19px; color: var(--accent); cursor: pointer; text-align: center; }
.sheet .act:first-child { border-top: none; }
.sheet .act.destructive { color: var(--red); }
.sheet .act.cancel { color: var(--accent); font-weight: 700; }
.sheet .group.cancel { margin-top: 0; }

/* ------------------------------------------------------------------- toasts */
.toasts { position: fixed; left: 0; right: 0; top: calc(10px + var(--safe-t)); z-index: 200;
  display: flex; flex-direction: column; align-items: center; gap: 8px; pointer-events: none; }
.toast { background: var(--bg-elevated); color: var(--text); padding: 12px 18px; border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25); font-size: 15px; font-weight: 500;
  border: 0.5px solid var(--separator); max-width: 90vw; animation: toastIn .25s ease; }
.toast.ok { border-color: var(--green); } .toast.bad { border-color: var(--red); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; } }

/* messages Django -> rendus en toasts via JS, mais fallback visuel */
.messages { list-style: none; padding: 0; margin: 0 0 14px; }
.messages li { padding: 12px 16px; border-radius: 12px; margin-bottom: 8px; font-size: 15px; }
.messages .success { background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green); }
.messages .error { background: color-mix(in srgb, var(--red) 14%, transparent); color: var(--red); }
.messages .info, .messages .warning { background: var(--fill); }

/* diff */
.diff-list .row .old { color: var(--red); text-decoration: line-through; margin-right: 8px; }
.diff-list .row .new { color: var(--green); font-weight: 600; }

.muted { color: var(--text-3); } .small { font-size: 13px; }
.center { text-align: center; }

/* auth pages centrées */
.auth { max-width: 380px; margin: 8vh auto 0; padding: 0 8px; }
.auth .logo { text-align: center; font-size: 44px; margin-bottom: 8px; }
.auth h1 { text-align: center; font-size: 24px; margin: 0 0 4px; }
.auth .page-sub { text-align: center; }
.qr { display: block; margin: 12px auto; width: 220px; height: 220px; border-radius: 12px; background: #fff; padding: 10px; }

/* =================================================================== DESKTOP */
@media (min-width: 768px) {
  body { padding-bottom: 0; }
  .tabbar { display: none; }
  .app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
  .sidebar {
    display: flex; flex-direction: column; gap: 2px; padding: 18px 12px;
    background: var(--bg-elevated); border-right: 0.5px solid var(--separator);
    position: sticky; top: 0; height: 100vh;
  }
  .sidebar .brand { font-size: 20px; font-weight: 700; padding: 8px 12px 16px; display: flex; gap: 8px; align-items: center; }
  .sidebar a.nav { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
    color: var(--text); font-size: 15px; font-weight: 500; }
  .sidebar a.nav .ic { width: 22px; height: 22px; color: var(--text-3); }
  .sidebar a.nav.active { background: var(--accent); color: var(--accent-ink); }
  .sidebar a.nav.active .ic { color: var(--accent-ink); }
  .sidebar a.nav:hover:not(.active) { background: var(--fill); }
  .sidebar .spacer { flex: 1; }
  .sidebar .userbox { padding: 10px 12px; color: var(--text-3); font-size: 13px; border-top: 0.5px solid var(--separator); }
  .topbar { display: none; }
  .content { padding: 28px 32px; max-width: 1100px; }
  .cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; }
  .cards-grid .card { margin-bottom: 0; }
  .metrics { grid-template-columns: repeat(4, 1fr); }
}