/* ── TEE Health — App Styles ── */
:root {
  --bg:       #080c10;
  --bg2:      #0d1218;
  --bg3:      #131a22;
  --bg4:      #1a2433;
  --border:   #1e2a36;
  --border2:  #2a3848;
  --text:     #c8d8e8;
  --muted:    #5a7080;
  --dim:      #3a5060;

  --green:    #ff2020;
  --green-bg: #2a0505;
  --green-bd: #801010;
  --yellow:   #ffd740;
  --yellow-bg:#2a2000;
  --yellow-bd:#806000;
  --red:      #ff5252;
  --red-bg:   #2a0505;
  --red-bd:   #801010;
  --blue:     #40c4ff;
  --blue-bg:  #002a40;
  --purple:   #ea80fc;

  --garmin:   #00a8e0;
  --whoop:    #00e5a0;
  --mfp:      #4caf50;

  --font-d:   'Barlow Condensed', sans-serif;
  --font-b:   'Barlow', sans-serif;
  --font-m:   'DM Mono', monospace;

  --nav-h:    56px;
  --ctrl-h:   48px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  font-size: 14px;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(30,42,54,.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,42,54,.4) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* ── Nav ── */
.topnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(8,12,16,.95);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px; gap: 16px;
  backdrop-filter: blur(8px);
}

.nav-brand {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
/* Nav logo: make dark numerals white, keep red ECG red */
.nav-logo {
  height: 36px; width: auto;
}
/* Auth page logo: larger, original colors work on dark bg */
.auth-logo {
  height: 88px; width: auto;
  display: block; margin: 0 auto;
}
.admin-tag {
  font-size: 11px; color: var(--red); border: 1px solid var(--red);
  padding: 2px 6px; margin-left: 8px; vertical-align: middle;
}

.nav-center { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; flex-wrap: wrap; }

.nav-link {
  font-family: var(--font-d); font-weight: 600; font-size: 13px;
  letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--muted); padding: 6px 14px; border-radius: 2px;
  transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: #ff2020; background: rgba(255,32,32,.1); }
.nav-admin { color: var(--red) !important; }

.nav-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-user { font-family: var(--font-m); font-size: 12px; color: var(--muted); }
.nav-logout { font-size: 12px; color: var(--muted); text-decoration: none; }
.nav-logout:hover { color: var(--red); }

.athlete-switcher {
  background: var(--bg3); border: 1px solid var(--border2); color: var(--text);
  font-family: var(--font-m); font-size: 11px; padding: 4px 8px; border-radius: 2px;
}

/* ── Controls bar ── */
.controls-bar {
  position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 90;
  height: var(--ctrl-h);
  background: rgba(13,18,24,.95);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 24px; gap: 24px;
  backdrop-filter: blur(4px);
  flex-wrap: wrap;
}

.control-group { display: flex; align-items: center; gap: 4px; }
.control-label { font-family: var(--font-m); font-size: 10px; color: var(--muted); margin-right: 6px; letter-spacing: .08em; text-transform: uppercase; }

.tf-btn, .src-btn {
  font-family: var(--font-m); font-size: 11px; letter-spacing: .04em;
  text-decoration: none; padding: 3px 10px;
  border: 1px solid var(--border); color: var(--muted); background: transparent;
  transition: all .15s; white-space: nowrap;
}
.tf-btn:hover, .src-btn:hover { border-color: var(--blue); color: var(--blue); }
.tf-btn.active, .src-btn.active { background: var(--blue-bg); border-color: var(--blue); color: var(--blue); }
.src-btn.src-garmin.active { background: rgba(0,168,224,.1); border-color: var(--garmin); color: var(--garmin); }
.src-btn.src-whoop.active  { background: rgba(0,229,160,.1); border-color: var(--whoop);  color: var(--whoop); }
.src-btn.src-myfitnesspal.active { background: rgba(76,175,80,.1); border-color: var(--mfp); color: var(--mfp); }

/* ── Screen wrap ── */
.screen-wrap {
  position: relative; z-index: 1;
  margin-top: calc(var(--nav-h) + var(--ctrl-h));
  padding: 24px;
  max-width: 1400px; margin-left: auto; margin-right: auto;
  margin-top: calc(var(--nav-h) + var(--ctrl-h) + 24px);
}

.screen-header { margin-bottom: 24px; }
.screen-header h1 { font-family: var(--font-d); font-weight: 700; font-size: 28px; text-transform: uppercase; letter-spacing: .04em; }
.screen-header h1 .date-badge { font-size: 16px; color: var(--muted); font-weight: 400; margin-left: 12px; }
.screen-sub { color: var(--muted); margin-top: 4px; font-size: 13px; }
.agg-badge { display: inline-block; margin-top: 8px; font-family: var(--font-m); font-size: 11px; color: var(--purple); border: 1px solid var(--purple); padding: 3px 10px; }

/* ── Flash ── */
.flash-banner {
  position: fixed; top: calc(var(--nav-h) + var(--ctrl-h)); left: 0; right: 0; z-index: 95;
  background: rgba(255,32,32,.1); border-bottom: 1px solid rgba(255,32,32,.3);
  color: #ff6060; padding: 10px 24px;
  font-family: var(--font-m); font-size: 12px;
}

/* ── Alert strip ── */
.alert-strip { background: var(--bg2); border: 1px solid var(--border); padding: 16px; margin-bottom: 20px; }
.alert-strip-title { font-family: var(--font-d); font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.alert-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.alert-chip {
  font-family: var(--font-m); font-size: 11px; padding: 4px 10px;
  border-radius: 2px; cursor: pointer; transition: opacity .15s;
}
.alert-chip:hover { opacity: .8; }
.alert-chip.alert-red-high, .alert-chip.alert-red-low { background: var(--red-bg); border: 1px solid var(--red-bd); color: var(--red); }
.alert-chip.alert-yellow-high, .alert-chip.alert-yellow-low { background: var(--yellow-bg); border: 1px solid var(--yellow-bd); color: var(--yellow); }
.alert-dir { margin-left: 4px; }

/* ── Alert classes ── */
.alert-border-red-high, .alert-border-red-low { border-left: 3px solid var(--red) !important; }
.alert-border-yellow-high, .alert-border-yellow-low { border-left: 3px solid var(--yellow) !important; }
.alert-border-ok, .alert-border-none { border-left: 3px solid transparent !important; }

.alert-text-red-high, .alert-text-red-low { color: var(--red) !important; }
.alert-text-yellow-high, .alert-text-yellow-low { color: var(--yellow) !important; }
.alert-text-ok { color: var(--green) !important; }
.alert-text-none { color: var(--muted) !important; }

/* ── Metric grid (Today) ── */
.metric-grid { display: flex; flex-direction: column; gap: 20px; }

.metric-section-title {
  font-family: var(--font-d); font-weight: 700; font-size: 13px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border);
}

.metric-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }

.metric-card {
  background: var(--bg2); border: 1px solid var(--border);
  padding: 14px 16px; cursor: pointer; transition: border-color .15s, background .15s;
  position: relative;
}
.metric-card:hover { background: var(--bg3); border-color: var(--border2); }

.mc-name { font-size: 11px; color: var(--muted); margin-bottom: 6px; line-height: 1.3; }
.mc-value { font-family: var(--font-d); font-weight: 700; font-size: 24px; line-height: 1; }
.mc-unit { font-size: 11px; font-family: var(--font-m); color: var(--muted); margin-left: 2px; }
.mc-alert-label { font-size: 10px; font-family: var(--font-m); margin-top: 4px; }
.mc-hint { font-size: 10px; color: var(--dim); margin-top: 6px; font-family: var(--font-m); }

/* ── Explore layout ── */
.explore-layout { display: grid; grid-template-columns: 220px 1fr; gap: 16px; }

.metric-sidebar {
  background: var(--bg2); border: 1px solid var(--border);
  padding: 12px 0; max-height: calc(100vh - 200px); overflow-y: auto;
}

.sidebar-source {
  font-family: var(--font-d); font-size: 11px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  padding: 10px 16px 4px; background: var(--bg3); border-bottom: 1px solid var(--border);
}
.sidebar-cat {
  font-size: 10px; color: var(--dim); padding: 6px 16px 2px;
  letter-spacing: .06em; text-transform: uppercase;
}
.sidebar-metric {
  font-size: 12px; padding: 6px 16px; cursor: pointer; color: var(--text);
  transition: background .1s; border-left: 2px solid transparent;
}
.sidebar-metric:hover { background: var(--bg3); }
.sidebar-metric.active { border-left-color: var(--blue); color: var(--blue); background: var(--blue-bg); }

.chart-panel { background: var(--bg2); border: 1px solid var(--border); padding: 24px; }

.chart-placeholder { text-align: center; padding: 60px 20px; color: var(--muted); }
.placeholder-icon { font-size: 48px; margin-bottom: 12px; }

.chart-header { margin-bottom: 16px; }
.chart-header h2 { font-family: var(--font-d); font-size: 24px; font-weight: 700; text-transform: uppercase; }
.chart-stats { display: flex; gap: 24px; margin-top: 8px; flex-wrap: wrap; }
.chart-stat { display: flex; flex-direction: column; gap: 2px; }
.chart-stat-label { font-family: var(--font-m); font-size: 10px; color: var(--muted); text-transform: uppercase; }
.chart-stat-val { font-family: var(--font-d); font-weight: 700; font-size: 20px; }

.metric-detail-box {
  background: var(--bg3); border: 1px solid var(--border);
  padding: 16px; margin-top: 16px; display: none;
}
.metric-detail-box.show { display: block; }
.mdb-section { margin-bottom: 12px; }
.mdb-title { font-family: var(--font-d); font-weight: 700; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); margin-bottom: 4px; }
.mdb-body { font-size: 13px; line-height: 1.6; color: var(--text); }

/* ── Advanced grid ── */
.adv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }

.adv-card {
  background: var(--bg2); border: 1px solid var(--border);
  padding: 16px; cursor: pointer; transition: background .15s;
}
.adv-card:hover { background: var(--bg3); }

.adv-icon { font-size: 24px; margin-bottom: 8px; }
.adv-name { font-size: 12px; color: var(--muted); line-height: 1.3; margin-bottom: 8px; }
.adv-value { font-family: var(--font-d); font-weight: 700; font-size: 28px; line-height: 1; }
.adv-unit { font-size: 12px; font-family: var(--font-m); color: var(--muted); }
.adv-good { font-family: var(--font-m); font-size: 10px; color: var(--dim); margin-top: 4px; }
.adv-alert { font-size: 11px; margin-top: 6px; font-family: var(--font-m); }
.adv-hint { font-size: 10px; color: var(--dim); margin-top: 8px; font-family: var(--font-m); }

/* ── Export ── */
.export-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.export-panel { background: var(--bg2); border: 1px solid var(--border); padding: 24px; }
.export-panel h3 { font-family: var(--font-d); font-weight: 700; font-size: 18px; text-transform: uppercase; margin-bottom: 8px; }
.export-panel p { color: var(--muted); margin-bottom: 16px; font-size: 13px; }

.report-output {
  background: var(--bg); border: 1px solid var(--border); padding: 16px;
  font-family: var(--font-m); font-size: 11px; line-height: 1.6;
  white-space: pre-wrap; max-height: 400px; overflow-y: auto;
  margin-top: 12px; display: none; color: var(--text);
}
.report-output.show { display: block; }
.export-metric-pick { margin-bottom: 12px; }
.export-metric-pick label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px; }

/* ── Connect ── */
.connect-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.connect-card { background: var(--bg2); border: 1px solid var(--border); padding: 24px; }
.connect-card-wide { grid-column: 1 / -1; }
.connect-icon { font-size: 32px; margin-bottom: 12px; }
.connect-card h3 { font-family: var(--font-d); font-weight: 700; font-size: 18px; text-transform: uppercase; margin-bottom: 8px; }
.connect-card p { color: var(--muted); margin-bottom: 16px; font-size: 13px; line-height: 1.5; }

/* ── Forms ── */
.field-group { margin-bottom: 14px; }
.field-group label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px; letter-spacing: .04em; }
.field-group label .hint { color: var(--dim); margin-left: 8px; font-size: 10px; }
.field-input {
  width: 100%; background: var(--bg); border: 1px solid var(--border2);
  color: var(--text); padding: 8px 10px; font-family: var(--font-b); font-size: 13px;
  transition: border-color .15s;
}
.field-input:focus { outline: none; border-color: var(--blue); }
.file-input { width: 100%; color: var(--muted); font-size: 12px; margin-top: 4px; }
.field-hint { font-size: 11px; color: var(--dim); margin-top: 4px; }

.btn-primary {
  background: linear-gradient(90deg, #ff2020, #cc0000); color: #fff; border: none;
  font-family: var(--font-d); font-weight: 700; font-size: 14px;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 10px 20px; cursor: pointer; transition: opacity .15s;
  display: inline-block; text-decoration: none; margin-top: 8px;
}
.btn-primary:hover { opacity: .85; }

.btn-secondary {
  background: transparent; color: var(--blue); border: 1px solid var(--blue);
  font-family: var(--font-d); font-weight: 600; font-size: 13px;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 8px 16px; cursor: pointer; transition: all .15s;
  display: inline-block; margin-top: 8px;
}
.btn-secondary:hover { background: var(--blue-bg); }

.btn-xs { font-size: 11px; padding: 3px 8px; border: 1px solid var(--border2); background: transparent; color: var(--text); cursor: pointer; font-family: var(--font-m); }
.btn-xs:hover { border-color: var(--blue); color: var(--blue); }
.btn-warn  { border-color: var(--yellow-bd); color: var(--yellow); }
.btn-warn:hover { background: var(--yellow-bg); }
.btn-danger { border-color: var(--red-bd); color: var(--red); }
.btn-danger:hover { background: var(--red-bg); }

.divider { font-size: 11px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 12px; margin: 16px 0 8px; letter-spacing: .06em; }
.divider span { color: var(--dim); }

/* ── Tables ── */
.data-table { width: 100%; border-collapse: collapse; font-family: var(--font-m); font-size: 12px; }
.data-table th { text-align: left; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 6px 10px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 7px 10px; border-bottom: 1px solid var(--border); color: var(--text); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg3); }
.ok-text { color: var(--green); }
.err-text { color: var(--red); }
.action-cell { display: flex; gap: 4px; flex-wrap: wrap; }

/* ── Roles ── */
.role-badge { font-size: 10px; padding: 2px 8px; border-radius: 2px; font-family: var(--font-m); }
.role-admin { background: var(--red-bg); color: var(--red); border: 1px solid var(--red-bd); }
.role-athlete { background: var(--blue-bg); color: var(--blue); border: 1px solid var(--blue); }

/* ── Alert boxes ── */
.alert { padding: 10px 16px; margin-bottom: 16px; font-family: var(--font-m); font-size: 12px; }
.alert-error   { background: var(--red-bg); border: 1px solid var(--red-bd); color: var(--red); }
.alert-success { background: var(--blue-bg); border: 1px solid var(--blue); color: var(--blue); }

/* ── Modal ── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,.8); backdrop-filter: blur(4px);
  align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }

.modal-box {
  background: var(--bg2); border: 1px solid var(--border2);
  padding: 32px; max-width: 640px; width: 90%; max-height: 85vh;
  overflow-y: auto; position: relative;
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: transparent; border: none; color: var(--muted);
  font-size: 18px; cursor: pointer;
}
.modal-close:hover { color: var(--text); }
.modal-box h2 { font-family: var(--font-d); font-weight: 700; font-size: 22px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.modal-value { font-family: var(--font-d); font-weight: 900; font-size: 42px; color: #ff2020; margin-bottom: 20px; }
.modal-sections { display: flex; flex-direction: column; gap: 16px; }
.modal-section { background: var(--bg3); border: 1px solid var(--border); padding: 14px; }
.modal-section-title { font-family: var(--font-d); font-weight: 700; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.modal-section-body { font-size: 13px; line-height: 1.65; color: var(--text); }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 80px 20px; color: var(--muted); }
.empty-icon { font-size: 56px; margin-bottom: 16px; }
.empty-state h3 { font-family: var(--font-d); font-size: 24px; text-transform: uppercase; margin-bottom: 8px; }
.empty-state a { color: var(--blue); }

/* ── Auth page ── */
body.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-wrap { width: 100%; max-width: 480px; padding: 24px; position: relative; z-index: 1; }
.auth-brand { text-align: center; margin-bottom: 32px; }
.brand-logo { font-family: var(--font-d); font-weight: 900; font-size: 42px; text-transform: uppercase; letter-spacing: .04em; color: #fff; }
.brand-logo span { color: var(--green); }
.brand-tag { font-family: var(--font-m); font-size: 11px; color: var(--muted); letter-spacing: .08em; margin-top: 8px; text-align: center; }

.auth-card { background: var(--bg2); border: 1px solid var(--border); padding: 32px; }
.tab-bar { display: flex; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.tab-btn { flex: 1; background: transparent; border: none; color: var(--muted); font-family: var(--font-d); font-weight: 600; font-size: 15px; letter-spacing: .06em; text-transform: uppercase; padding: 10px; cursor: pointer; border-bottom: 2px solid transparent; transition: all .15s; }
.tab-btn.active { color: #ff2020; border-bottom-color: #ff2020; }

.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form.hidden { display: none; }

.auth-footer { text-align: center; font-family: var(--font-m); font-size: 10px; color: var(--dim); margin-top: 20px; letter-spacing: .04em; }

/* ── Admin ── */
.admin-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; }
.admin-card { background: var(--bg2); border: 1px solid var(--border); padding: 24px; }
.admin-card h3 { font-family: var(--font-d); font-weight: 700; font-size: 18px; text-transform: uppercase; margin-bottom: 16px; }
.admin-card-wide { grid-column: 1 / -1; }

@media (max-width: 900px) {
  .explore-layout { grid-template-columns: 1fr; }
  .main-grid { grid-template-columns: 1fr; }
  .export-layout, .connect-layout, .admin-layout { grid-template-columns: 1fr; }
  .controls-bar { height: auto; padding: 8px 16px; flex-wrap: wrap; gap: 8px; position: relative; }
  .screen-wrap { margin-top: calc(var(--nav-h) + 100px); }
  .nav-center { gap: 2px; }
  .nav-link { font-size: 11px; padding: 4px 8px; }
}