:root {
  --bg: #080808;
  --panel: #111111;
  --panel-2: #171717;
  --border: #262626;
  --text: #f5f5f5;
  --muted: #909090;
  --muted-2: #666666;
  --accent: #BFFE00;
  --accent-soft: rgba(191, 254, 0, 0.12);
  --success: #5fd38d;
  --warning: #f2c14e;
  --danger: #ff6b6b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body { min-height: 100vh; }

button, input { font: inherit; }
button { cursor: pointer; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--border);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  background: #0b0b0b;
}

.brand-wrap { margin-bottom: 42px; }
.brand {
  font-weight: 950;
  letter-spacing: -0.055em;
  font-size: 26px;
  line-height: 1;
}
.brand-sub {
  margin-top: 7px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .26em;
}

.nav { display: grid; gap: 8px; }
.nav-item {
  border: 0;
  background: transparent;
  color: #8f8f8f;
  text-align: left;
  border-radius: 10px;
  padding: 12px 14px;
  font-weight: 750;
}
.nav-item span {
  float: right;
  font-size: 10px;
  text-transform: uppercase;
  color: #555;
}
.nav-item.active {
  background: var(--accent-soft);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-item:disabled { cursor: default; opacity: .7; }
.nav-link {
  display: block;
  text-decoration: none;
}

.sidebar-footer {
  margin-top: auto;
  color: var(--muted-2);
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

.main {
  width: min(1540px, 100%);
  padding: 34px 38px 64px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 26px;
}

h1, h2, p { margin: 0; }
h1 {
  font-size: clamp(34px, 4vw, 58px);
  letter-spacing: -0.055em;
  line-height: .98;
}
h2 {
  font-size: 22px;
  letter-spacing: -0.03em;
}
.eyebrow {
  color: var(--accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .19em;
  margin-bottom: 9px;
}

.topbar-actions {
  display: flex;
  align-items: end;
  gap: 10px;
}
.month-picker {
  position: relative;
  display: grid;
  gap: 3px;
  min-width: 150px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px 9px;
  font-size: 10px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.month-picker:hover {
  border-color: var(--accent);
  background: #151515;
}
.month-picker:focus-within { border-color: var(--accent); }
.month-picker span { pointer-events: none; }
.month-picker input {
  width: 100%;
  padding: 0;
  color: #fff;
  background: transparent;
  border: 0;
  outline: none;
  font-size: 12px;
  font-weight: 900;
  text-transform: none;
  cursor: pointer;
}
.month-picker input::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: .7;
}
.login-card input {
  color: #fff;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 13px;
  outline: none;
}
.login-card input:focus { border-color: var(--accent); }

.button-secondary,
.button-primary {
  border-radius: 10px;
  padding: 11px 15px;
  font-weight: 850;
}
.button-secondary {
  background: var(--panel);
  color: #fff;
  border: 1px solid var(--border);
}
.button-secondary:hover { border-color: #444; }
.button-primary {
  border: 0;
  color: #080808;
  background: var(--accent);
}
.button-primary:disabled,
.button-secondary:disabled {
  opacity: .38;
  cursor: not-allowed;
}
.danger-action:not(:disabled) {
  box-shadow: 0 0 0 1px rgba(191, 254, 0, .08);
}

.sync-banner {
  border: 1px solid var(--border);
  background: linear-gradient(90deg, var(--panel), #0e0e0e);
  padding: 15px 17px;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.sync-banner strong { display: block; font-size: 13px; margin-bottom: 3px; }
.sync-banner span { color: var(--muted); font-size: 12px; }
.status-badge {
  border-radius: 999px;
  padding: 6px 9px;
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.status-badge.good { color: var(--success); background: rgba(95, 211, 141, .11); }
.status-badge.warn { color: var(--warning); background: rgba(242, 193, 78, .11); }
.status-badge.bad { color: var(--danger); background: rgba(255, 107, 107, .11); }
.status-badge.neutral { color: var(--muted); background: #1a1a1a; }

.summary-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 38px;
}
.summary-card {
  min-height: 150px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 19px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.summary-card.feature {
  background:
    radial-gradient(circle at top right, rgba(191, 254, 0, .20), transparent 42%),
    var(--panel);
}
.summary-card span { color: var(--muted); font-size: 12px; font-weight: 750; }
.summary-card strong {
  font-size: clamp(31px, 4vw, 52px);
  letter-spacing: -0.055em;
  line-height: 1;
}
.summary-card.feature strong { color: #fff; }
.summary-card small { color: var(--muted-2); font-size: 10px; }

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin: 0 0 14px;
}

.trainer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 38px;
}
.trainer-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 18px;
}
.trainer-name { font-size: 17px; font-weight: 900; margin-bottom: 20px; }
.trainer-payout { font-size: 34px; font-weight: 950; letter-spacing: -.045em; }
.trainer-meta { margin-top: 10px; color: var(--muted); font-size: 11px; display: flex; gap: 14px; }
.trainer-meta b { color: #d5d5d5; }
.trainer-statement {
  margin-top: 14px;
  width: 100%;
  border: 1px solid var(--accent);
  background: #0a0a0a;
  color: var(--accent);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .02em;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.trainer-statement:hover {
  background: var(--accent);
  color: #080808;
  transform: translateY(-1px);
}

.adjustments-section { margin-bottom: 38px; }
.adjustment-panel {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 16px;
  padding: 16px;
}
.adjustment-form {
  display: grid;
  grid-template-columns: minmax(160px, .8fr) 150px minmax(240px, 1.6fr) 170px auto;
  gap: 10px;
  align-items: end;
}
.adjustment-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.adjustment-form input,
.adjustment-form select {
  width: 100%;
  color: #fff;
  background: #0c0c0c;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
  outline: none;
}
.adjustment-form input:focus,
.adjustment-form select:focus { border-color: var(--accent); }
.adjustment-form.is-disabled { opacity: .48; }
.adjustment-note {
  color: var(--muted-2);
  font-size: 10px;
  margin-top: 10px;
}
.adjustments-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}
.adjustment-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.adjustment-row strong { display: block; font-size: 12px; }
.adjustment-row span { display: block; color: var(--muted); font-size: 10px; margin-top: 3px; }
.adjustment-row b { font-size: 13px; }
.adjustment-row b.positive { color: var(--accent); }
.adjustment-row b.negative { color: var(--danger); }
.empty-adjustments { color: var(--muted-2); font-size: 11px; padding-top: 6px; }

.table-section {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 16px;
  overflow: hidden;
}
.table-heading { padding: 18px 18px 0; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filter {
  background: #181818;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 10px;
  font-weight: 850;
}
.filter.active { color: #fff; border-color: var(--accent); background: var(--accent-soft); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td {
  text-align: left;
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  white-space: nowrap;
}
th {
  color: var(--muted-2);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 900;
}
td { font-size: 12px; color: #d7d7d7; }
td.client { font-weight: 800; color: #fff; }
td.money { font-weight: 900; color: #fff; }
.row-muted td { opacity: .48; }
.pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 5px 7px;
  font-size: 9px;
  font-weight: 900;
  text-transform: uppercase;
}
.pill.good { color: var(--success); background: rgba(95,211,141,.1); }
.pill.warn { color: var(--warning); background: rgba(242,193,78,.1); }
.pill.bad { color: var(--danger); background: rgba(255,107,107,.1); }
.pill.neutral { color: #aaa; background: #1d1d1d; }
.pill.accent { color: var(--accent); background: var(--accent-soft); }

.empty-state { padding: 28px; text-align: center; color: var(--muted); border-top: 1px solid var(--border); }
.hidden { display: none !important; }

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,.94);
  backdrop-filter: blur(10px);
  padding: 22px;
}
.login-card {
  width: min(420px, 100%);
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 30px 90px rgba(0,0,0,.5);
}
.login-brand { font-size: 23px; font-weight: 950; letter-spacing: -.05em; margin-bottom: 36px; }
.login-brand span { color: var(--accent); font-size: 12px; letter-spacing: .12em; margin-left: 6px; }
.login-card h2 { font-size: 30px; margin-bottom: 8px; }
.login-card p { color: var(--muted); font-size: 13px; line-height: 1.5; margin-bottom: 22px; }
.login-card form { display: grid; gap: 10px; }
.login-card input { width: 100%; }
.login-error { min-height: 18px; margin-top: 10px; color: var(--danger); font-size: 11px; }

@media (max-width: 1050px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 18px 20px; }
  .brand-wrap { margin-bottom: 16px; }
  .nav { grid-template-columns: repeat(4, auto); overflow-x: auto; }
  .sidebar-footer { display: none; }
  .main { padding: 26px 20px 50px; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .adjustment-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .adjustment-form .grow { grid-column: span 2; }
}

@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .topbar-actions { width: 100%; }
  .month-picker { flex: 1; }
  .month-picker input { width: 100%; }
  .summary-grid { grid-template-columns: 1fr; }
  .summary-card { min-height: 128px; }
  .section-heading.table-heading { align-items: flex-start; flex-direction: column; }
  .nav { grid-template-columns: repeat(4, max-content); }
  .adjustment-form { grid-template-columns: 1fr; }
  .adjustment-form .grow { grid-column: auto; }
}