:root {
  --bg: #0b0f17;
  --panel: #131a26;
  --panel-2: #1a2434;
  --border: #263247;
  --text: #e7edf5;
  --muted: #8b98ab;
  --accent: #34d399;
  --accent-2: #22d3ee;
  --danger: #f87171;
  --warn: #fbbf24;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #16324a 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; backdrop-filter: blur(8px);
  background: rgba(11,15,23,.7); z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; letter-spacing: .3px; }
.brand .logo { font-size: 24px; }
.brand strong { color: var(--accent); }
nav { display: flex; align-items: center; gap: 20px; }
nav a { color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--text); }
.badge {
  background: var(--panel-2); color: var(--muted);
  border: 1px solid var(--border); padding: 4px 10px; border-radius: 999px; font-size: 12px;
}
.badge.premium { background: linear-gradient(90deg,var(--accent),var(--accent-2)); color: #04121a; border: 0; font-weight: 700; }

main { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }

.hero { text-align: center; padding: 30px 0 18px; }
.hero h1 { font-size: clamp(26px, 4vw, 42px); margin: 0 0 12px; line-height: 1.15; }
.hero .accent { color: var(--accent); }
.hero .sub { color: var(--muted); max-width: 640px; margin: 0 auto; font-size: 16px; }

.tabs { display: flex; gap: 8px; margin: 22px 0 0; }
.tabs button {
  background: var(--panel); color: var(--muted); border: 1px solid var(--border);
  border-bottom: 0; padding: 12px 22px; border-radius: 12px 12px 0 0; cursor: pointer;
  font-size: 15px; font-weight: 600;
}
.tabs button.active { background: var(--panel-2); color: var(--text); border-color: var(--accent); }

.controls {
  display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-end;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) var(--radius); padding: 18px; margin: 0 0 22px;
}
.control { display: flex; flex-direction: column; gap: 8px; }
.control > label { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }

.tf-group { display: flex; gap: 6px; }
.tf-group button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 10px; cursor: pointer; font-size: 14px;
}
.tf-group button.active { background: var(--accent); color: #04121a; border-color: var(--accent); font-weight: 700; }

.picker { display: flex; flex-wrap: wrap; gap: 6px; max-width: 560px; }
.picker .chip {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 6px 12px; border-radius: 999px; cursor: pointer; font-size: 13px; user-select: none;
}
.picker .chip.selected { background: var(--accent-2); color: #04121a; border-color: var(--accent-2); font-weight: 700; }
.picker .chip.locked { opacity: .55; cursor: not-allowed; border-style: dashed; }
.picker .chip.dynamic { background: rgba(52,211,153,.14); border-color: var(--accent); color: var(--accent); }
.picker .chip .x { opacity: .7; margin-left: 4px; }

.control-grow { flex: 1 1 320px; }
.add-symbol { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.add-symbol input { width: 240px; max-width: 100%; }
.add-symbol button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--accent);
  padding: 9px 14px; border-radius: 10px; cursor: pointer;
}
.add-symbol button:hover { background: rgba(52,211,153,.15); }
.add-msg { font-size: 13px; }

.lang-select {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 5px 8px; border-radius: 8px; font-size: 13px; cursor: pointer;
}

.refresh {
  margin-left: auto; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); padding: 10px 16px; border-radius: 10px; cursor: pointer;
}
.refresh:hover { border-color: var(--accent); }

.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
thead th {
  text-align: right; font-size: 12px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--muted); padding: 14px 16px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
thead th:first-child { text-align: left; }
thead th.hl { color: var(--accent); }
tbody td { text-align: right; padding: 14px 16px; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
tbody td:first-child { text-align: left; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255,255,255,.02); }

.coin-cell { display: flex; align-items: center; gap: 10px; }
.coin-cell .sym { font-weight: 700; }
.coin-cell .nm { color: var(--muted); font-size: 12px; }

.score-badge {
  display: inline-block; min-width: 58px; padding: 6px 10px; border-radius: 10px;
  font-weight: 800; font-size: 15px;
}
.zone-tag { font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }

.loading { text-align: center; color: var(--muted); padding: 30px; }
.updated { color: var(--muted); font-size: 12px; text-align: right; padding: 10px 16px 0; }

/* Alertes */
.alerts-section { margin-top: 40px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.alerts-section h2 { margin: 0 0 6px; }
.pill { background: linear-gradient(90deg,var(--accent),var(--accent-2)); color: #04121a; font-size: 12px; padding: 3px 10px; border-radius: 999px; vertical-align: middle; font-weight: 700; }
.alerts-section .sub { color: var(--muted); margin: 0 0 18px; }

.account-box { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.account-status { font-size: 13px; color: var(--muted); }

input, select {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 10px 12px; border-radius: 10px; font-size: 14px; outline: none;
}
input:focus, select:focus { border-color: var(--accent-2); }
button { font-family: inherit; }

.account-box button, .alert-form button[type=submit], #upgradeBtn, #checkoutBtn {
  background: linear-gradient(90deg,var(--accent),var(--accent-2)); color: #04121a;
  border: 0; padding: 10px 18px; border-radius: 10px; font-weight: 700; cursor: pointer;
}
.btn-ghost {
  background: var(--panel-2) !important; color: var(--text) !important;
  border: 1px solid var(--border) !important; font-weight: 600 !important;
}
.btn-ghost:hover { border-color: var(--accent) !important; }
.session-email { font-weight: 600; color: var(--accent); }
.pw-wrap { position: relative; display: inline-flex; align-items: center; }
.pw-wrap input { padding-right: 40px; }
.pw-toggle {
  position: absolute; right: 6px; background: transparent; border: 0; cursor: pointer;
  font-size: 16px; opacity: .55; padding: 4px;
}
.pw-toggle:hover, .pw-toggle.on { opacity: 1; }
#checkoutBtn { font-size: 16px; padding: 12px 22px; margin-bottom: 8px; display: block; }
#stripeArea small, #demoArea small { display: block; color: var(--muted); margin-top: 4px; }
.account-box button:hover, .alert-form button[type=submit]:hover { filter: brightness(1.08); }

.alert-form { border-top: 1px solid var(--border); padding-top: 18px; }
.alert-form.disabled { opacity: .45; pointer-events: none; }
.alert-form .row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.alert-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.alert-msg { font-size: 14px; min-height: 18px; }
.alert-msg.ok { color: var(--accent); }
.alert-msg.err { color: var(--danger); }

.plan-cards { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.plan-card {
  flex: 1 1 200px; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; display: flex; flex-direction: column;
}
.plan-card:hover { border-color: var(--accent); }
.plan-name { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.plan-price { color: var(--accent); font-size: 20px; font-weight: 800; margin-bottom: 12px; }
.plan-feats { list-style: none; padding: 0; margin: 0 0 14px; font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.plan-feats b { color: var(--text); font-weight: 600; }
.plan-choose {
  margin-top: auto; background: linear-gradient(90deg,var(--accent),var(--accent-2)); color: #04121a;
  border: 0; padding: 10px; border-radius: 10px; font-weight: 700; cursor: pointer;
}
.plan-choose:hover { filter: brightness(1.08); }

.upgrade-box { border: 1px dashed var(--warn); border-radius: var(--radius); padding: 16px; margin-top: 16px; }
.upgrade-box .row { display: flex; gap: 10px; margin: 10px 0; flex-wrap: wrap; }
.upgrade-box small { color: var(--muted); }
.upgrade-box code { background: var(--panel-2); padding: 2px 6px; border-radius: 6px; }

.my-alerts { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.alert-card {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px;
}
.alert-card .del { background: transparent; border: 1px solid var(--border); color: var(--danger); border-radius: 8px; padding: 6px 10px; cursor: pointer; }

.hidden { display: none !important; }

.disclaimer-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5, 8, 13, .82); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.disclaimer-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  max-width: 520px; padding: 32px; text-align: center;
}
.disclaimer-logo { font-size: 40px; margin-bottom: 8px; }
.disclaimer-box h2 { margin: 0 0 14px; font-size: 22px; }
.disclaimer-box p { color: var(--muted); font-size: 15px; line-height: 1.6; margin: 0 0 24px; }
.disclaimer-box button {
  background: linear-gradient(90deg,var(--accent),var(--accent-2)); color: #04121a;
  border: 0; padding: 13px 28px; border-radius: 10px; font-weight: 700; font-size: 15px; cursor: pointer;
}
.disclaimer-box button:hover { filter: brightness(1.08); }

footer { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 20px; border-top: 1px solid var(--border); }