:root {
  color-scheme: dark;
  --bg: #070b12;
  --panel: rgba(18, 25, 39, 0.84);
  --panel-strong: #111827;
  --text: #eef4ff;
  --muted: #91a0b8;
  --line: rgba(148, 163, 184, 0.18);
  --green: #39d98a;
  --red: #ff6b81;
  --blue: #66e3ff;
  --amber: #ffd166;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(102, 227, 255, 0.16), transparent 32rem),
    radial-gradient(circle at top right, rgba(255, 107, 129, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
}

.shell {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 46px;
}

.is-hidden { display: none !important; }

.landing-page {
  display: grid;
  gap: 24px;
}

.landing-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: center;
  min-height: calc(100vh - 80px);
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: clamp(24px, 5vw, 54px);
  background:
    linear-gradient(135deg, rgba(18, 25, 39, 0.92), rgba(7, 11, 18, 0.74)),
    radial-gradient(circle at top right, rgba(102, 227, 255, 0.18), transparent 30rem);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.landing-copy .subcopy { font-size: clamp(1.05rem, 2vw, 1.3rem); }

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.landing-section {
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: clamp(22px, 4vw, 34px);
  background: rgba(18, 25, 39, 0.72);
  box-shadow: 0 16px 52px rgba(0, 0, 0, 0.22);
}

.landing-section > h2 {
  margin-bottom: 18px;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.landing-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.landing-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  background: rgba(7, 11, 18, 0.46);
}

.landing-card h3 {
  margin: 0 0 10px;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.landing-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 750;
  line-height: 1.55;
}

.step-number {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.landing-disclaimer {
  margin: 0;
  border: 1px solid rgba(102, 227, 255, 0.16);
  border-radius: 22px;
  padding: 16px 18px;
  background: rgba(7, 11, 18, 0.52);
}

.disclaimer {
  max-width: 760px;
  margin: 20px 0 0;
  color: #c7d3e7;
  font-size: 0.94rem;
  font-weight: 800;
}

.disclaimer.compact {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.86rem;
}

.unlock-form {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(102, 227, 255, 0.2);
  border-radius: 26px;
  padding: 20px;
  background: rgba(7, 11, 18, 0.56);
}

.unlock-form label {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.unlock-row {
  display: grid;
  gap: 10px;
}

.unlock-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 15px;
  background: rgba(7, 11, 18, 0.78);
  color: var(--text);
  outline: none;
}

.unlock-form input:focus {
  border-color: rgba(102, 227, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(102, 227, 255, 0.08);
}

.form-error {
  min-height: 20px;
  margin: 0;
  color: var(--red);
  font-size: 0.9rem;
  font-weight: 800;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.eyebrow,
.label {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p { margin-top: 0; }

h1 {
  margin-bottom: 10px;
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 0;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.subcopy {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  min-width: min(420px, 100%);
}

button,
select,
input {
  font: inherit;
}

.primary,
.secondary {
  border: 1px solid rgba(102, 227, 255, 0.45);
  border-radius: 999px;
  padding: 13px 18px;
  color: var(--text);
  font-weight: 900;
  cursor: pointer;
}

.primary {
  background: linear-gradient(135deg, rgba(102, 227, 255, 0.2), rgba(102, 227, 255, 0.07));
  box-shadow: 0 14px 34px rgba(102, 227, 255, 0.12);
}

.secondary {
  background: rgba(17, 24, 39, 0.76);
  border-color: var(--line);
}

.primary:hover,
.secondary:hover { transform: translateY(-1px); }
.primary:disabled { cursor: wait; opacity: 0.62; transform: none; }

.helper-button {
  border-color: rgba(148, 163, 184, 0.22);
  color: var(--muted);
  font-size: 0.88rem;
}

.settings-panel,
.stats,
.grid {
  display: grid;
  gap: 16px;
}

.upgrade-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.upgrade-card {
  display: grid;
  gap: 18px;
  align-items: start;
  border: 1px solid rgba(102, 227, 255, 0.22);
  border-radius: 28px;
  padding: 18px;
  background: linear-gradient(135deg, rgba(18, 25, 39, 0.9), rgba(7, 11, 18, 0.64));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.upgrade-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.pricing-card {
  align-content: space-between;
}

.price {
  margin: 6px 0 12px !important;
  color: var(--blue) !important;
  font-size: 1.25rem;
  font-weight: 950;
  letter-spacing: -0.03em;
}

.upgrade-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  margin: 18px 0 0;
  padding-left: 18px;
  color: #dbe7fb;
  font-weight: 800;
}

.upgrade-list li::marker { color: var(--blue); }

.payment-notes {
  margin-top: -2px;
  font-size: 0.86rem;
}

.upgrade-actions,
.paid-alerts-form {
  display: grid;
  gap: 10px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(3, 7, 18, 0.72);
  backdrop-filter: blur(14px);
}

.modal-card {
  width: min(480px, 100%);
  display: grid;
  gap: 14px;
  border: 1px solid rgba(102, 227, 255, 0.24);
  border-radius: 28px;
  padding: 22px;
  background: rgba(17, 24, 39, 0.98);
  box-shadow: var(--shadow);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 11, 18, 0.72);
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.modal-card label {
  display: grid;
  gap: 8px;
}

.modal-card span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.modal-card input,
.modal-card select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: rgba(7, 11, 18, 0.72);
  color: var(--text);
  outline: none;
}

.modal-card input:focus,
.modal-card select:focus {
  border-color: rgba(102, 227, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(102, 227, 255, 0.08);
}

.settings-summary,
.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.form-message.success { color: var(--green); }
.form-message.error { color: var(--red); }

.settings-panel {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.settings-panel label {
  display: grid;
  gap: 8px;
}

.settings-panel span {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-panel input,
.settings-panel select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: rgba(7, 11, 18, 0.72);
  color: var(--text);
  outline: none;
}

.settings-panel input:focus,
.settings-panel select:focus {
  border-color: rgba(102, 227, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(102, 227, 255, 0.08);
}

.stats {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 14px;
}

.stat-card,
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.stat-card {
  border-radius: 24px;
  padding: 16px;
}

.stat-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card strong {
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.status {
  min-height: 24px;
  margin: 0 0 18px;
  color: var(--muted);
}

.grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.panel {
  border-radius: 28px;
  overflow: hidden;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 24, 39, 0.66);
}

.oversold-label { color: var(--green); }
.overbought-label { color: var(--red); }

.table-wrap {
  min-height: 180px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

td { color: #dbe7fb; }

a {
  color: var(--blue);
  font-weight: 900;
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.symbol-link { color: var(--text); }
.positive { color: var(--green); }
.negative { color: var(--red); }

.empty-state {
  padding: 28px 20px;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 10;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(7, 11, 18, 0.96);
  color: var(--text);
  box-shadow: var(--shadow);
}

.toast.success { border-color: rgba(57, 217, 138, 0.42); }
.toast.error { border-color: rgba(255, 107, 129, 0.42); }

@media (max-width: 960px) {
  .landing-panel { grid-template-columns: 1fr; min-height: auto; }
  .landing-card-grid { grid-template-columns: 1fr; }
  .hero { flex-direction: column; }
  .actions { justify-content: flex-start; min-width: 0; }
  .upgrade-grid { grid-template-columns: 1fr; }
  .upgrade-card { grid-template-columns: 1fr; }
  .upgrade-list { grid-template-columns: 1fr; }
  .settings-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 20px, 1220px); padding-top: 20px; }
  .settings-panel,
  .stats { grid-template-columns: 1fr; }
  .actions,
  .landing-actions { width: 100%; }
  .primary,
  .secondary { width: 100%; }
  .landing-panel { padding: 22px; border-radius: 26px; }
}