/* =============================================================
   WORDLE ANALYTICS — Main Stylesheet
   ============================================================= */

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: #f5f5f5;
  color: #1a1a1a;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }

/* ── CSS Variables ── */
:root {
  --green:       #639922;
  --green-dark:  #3B6D11;
  --green-light: #EAF3DE;
  --green-border:#97C459;
  --amber:       #BA7517;
  --amber-light: #FAEEDA;
  --red:         #A32D2D;
  --red-light:   #FCEBEB;
  --blue:        #185FA5;
  --blue-light:  #E6F1FB;
  --text:        #1a1a1a;
  --text-2:      #555;
  --text-3:      #888;
  --border:      #e0e0e0;
  --border-2:    #ccc;
  --bg:          #f5f5f5;
  --bg-card:     #ffffff;
  --radius:      8px;
  --radius-lg:   12px;
  --shadow:      0 1px 4px rgba(0,0,0,.08);
  --shadow-lg:   0 4px 20px rgba(0,0,0,.1);
}

/* ── Typography ── */
h1 { font-size: 2.4rem; font-weight: 600; line-height: 1.15; letter-spacing: -.02em; }
h2 { font-size: 1.5rem; font-weight: 600; }
h3 { font-size: 1.05rem; font-weight: 500; }
p  { color: var(--text-2); }
em { font-style: normal; color: var(--green-dark); }

/* ── Nav ── */
.top-nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.logo-badge {
  background: var(--green);
  color: var(--green-light);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 5px;
  letter-spacing: .5px;
}
.logo-text { font-size: 15px; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 10px; }
.nav-link {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: background .15s;
}
.nav-link:hover { background: var(--bg); }
.nav-link.active { color: var(--text); font-weight: 500; }

/* nav dropdown */
.nav-item { position: relative; }
.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-dropdown-btn:hover { background: var(--bg); color: var(--text); }
.nav-dropdown-btn.active { background: var(--bg); color: var(--text); }
.nav-caret { font-size: 10px; opacity: .6; transition: transform .15s; }
.nav-item.open .nav-caret { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 6px;
  min-width: 210px;
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 200;
}
.nav-item.open .nav-dropdown { display: block; }
.dd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  transition: background .15s;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
}
.dd-item:hover { background: var(--bg); color: var(--text); }
.dd-sub { font-size: 11px; color: var(--text-3); margin-top: 1px; }
.dd-divider { height: 1px; background: var(--border); margin: 4px 0; }
.dd-section {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 6px 12px 3px;
}

/* screen name button — no dropdown */
.screen-name-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px 6px 6px;
  border-radius: 20px;
  cursor: pointer;
}
.screen-name-btn:hover { background: var(--bg); }
.screen-name-btn.active { background: var(--bg); }
.member-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--green);
  color: var(--green-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
  flex-shrink: 0;
}

/* ── Buttons ── */
.btn-primary {
  background: var(--green);
  color: var(--green-light);
  border: none;
  border-radius: var(--radius);
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost {
  background: none;
  color: var(--text-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-sm  { padding: 5px 12px; font-size: 12px; }
.btn-lg  { padding: 11px 28px; font-size: 15px; border-radius: var(--radius-lg); }

/* upload nudge button */
.upload-nudge {
  font-size: 12px;
  padding: 6px 14px;
  border: 1px solid #EF9F27;
  border-radius: 20px;
  background: var(--amber-light);
  color: #633806;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background .15s;
}
.upload-nudge:hover { background: #f5ddb0; }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.card-title { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.card-sub { font-size: 12px; color: var(--text-2); }
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

/* ── KPI row ── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.kpi {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.kpi-label {
  font-size: 10px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 5px;
}
.kpi-val { font-size: 22px; font-weight: 600; }
.kpi-sub { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.kv-green { color: var(--green-dark); }
.kv-blue  { color: var(--blue); }
.kv-amber { color: var(--amber); }
.kv-red   { color: var(--red); }

/* ── Tables ── */
.tbl { width: 100%; border-collapse: collapse; font-size: 12px; }
.tbl th {
  text-align: left;
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: .7px;
  white-space: nowrap;
}
.tbl td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  vertical-align: middle;
}
.tbl tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover td { background: var(--bg); }
.mono { font-family: 'SF Mono', 'Fira Code', monospace; }

/* ── Badges ── */
.badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 500;
}
.badge-green { background: var(--green-light); color: var(--green-dark); }
.badge-amber { background: var(--amber-light); color: #633806; }
.badge-red   { background: var(--red-light);   color: #791F1F; }
.badge-blue  { background: var(--blue-light);  color: #0C447C; }
.badge-gray  { background: var(--bg);          color: var(--text-2); border: 1px solid var(--border); }

/* ── Leaderboard rows ── */
.lb-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}
.lb-row:last-child { border-bottom: none; }
.lb-rank {
  width: 24px;
  font-size: 12px;
  font-weight: 600;
  font-family: monospace;
  color: var(--text-3);
  text-align: right;
  flex-shrink: 0;
}
.lb-rank.gold { color: var(--amber); }
.lb-av {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 600;
  flex-shrink: 0;
}
.lb-av.you { background: var(--green); color: var(--green-light); }
.you-row { background: var(--green-light) !important; }
.above-row { background: var(--blue-light) !important; }
.below-row { background: var(--amber-light) !important; }

/* ── Guess distribution bars ── */
.dist-row { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.dist-lbl {
  font-size: 12px;
  font-family: monospace;
  width: 16px;
  text-align: right;
  flex-shrink: 0;
  color: var(--text-2);
}
.dist-track {
  flex: 1;
  background: var(--bg);
  border-radius: 3px;
  height: 20px;
  position: relative;
}
.dist-bar { height: 100%; border-radius: 3px; position: absolute; left: 0; top: 0; }
.dist-num-in {
  position: absolute; left: 7px; top: 0;
  height: 100%; display: flex; align-items: center;
  font-size: 11px; font-weight: 500; color: #fff; font-family: monospace;
}
.dist-num-out {
  position: absolute; top: 0; height: 100%;
  display: flex; align-items: center; padding-left: 5px;
  font-size: 11px; font-weight: 500; font-family: monospace;
}
.dist-pct {
  font-size: 11px; font-family: monospace;
  color: var(--text-3); width: 40px; text-align: right; flex-shrink: 0;
}

/* ── Upload zone ── */
.upload-zone {
  border: 2px dashed var(--border-2);
  border-radius: var(--radius-lg);
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  background: var(--bg);
  transition: all .2s;
  position: relative;
}
.upload-zone:hover, .upload-zone.drag {
  border-color: var(--green);
  background: var(--green-light);
}
.upload-zone input {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.upload-zone h3 { font-size: 14px; font-weight: 500; margin-bottom: 5px; color: var(--text); }
.upload-zone p { font-size: 12px; }

/* ── Forms ── */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block; font-size: 11px;
  color: var(--text-2); margin-bottom: 5px;
  text-transform: uppercase; letter-spacing: .5px; font-weight: 500;
}
.form-group input, .form-group select {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  background: var(--bg-card); color: var(--text);
  font-size: 13px; transition: border .15s;
}
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--green);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── Alerts ── */
.alert {
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 12px;
  margin-bottom: 14px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.6;
}
.alert-warn { background: var(--amber-light); border: 1px solid #EF9F27; color: #633806; }
.alert-ok   { background: var(--green-light); border: 1px solid var(--green-border); color: var(--green-dark); }
.alert-err  { background: var(--red-light);   border: 1px solid #F7C1C1; color: #791F1F; }
.alert-info { background: var(--blue-light);  border: 1px solid #93C5FD; color: #0C447C; }

/* ── Toggle ── */
.toggle-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.toggle-wrap:last-child { border-bottom: none; }
.toggle-info h4 { font-size: 13px; font-weight: 500; }
.toggle-info p  { font-size: 12px; }
.tog {
  width: 40px; height: 22px; border-radius: 11px;
  background: var(--bg); border: 1px solid var(--border-2);
  position: relative; cursor: pointer; transition: background .2s; flex-shrink: 0;
}
.tog.on { background: var(--green); border-color: var(--green); }
.tog::after {
  content: ''; position: absolute;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; top: 2px; left: 2px;
  transition: transform .2s; box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.tog.on::after { transform: translateX(18px); }

/* ── Nearest btn ── */
.nearest-btn {
  font-size: 12px; padding: 5px 12px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius); background: none; color: var(--text-2);
  display: flex; align-items: center; gap: 5px; cursor: pointer; transition: all .15s;
}
.nearest-btn:hover { background: var(--bg); }
.nearest-btn.on { background: var(--green-light); color: var(--green-dark); border-color: var(--green-border); }

/* ── Gap row (leaderboard) ── */
.gap-row td {
  padding: 4px 10px; background: var(--bg);
  text-align: center; font-size: 11px; color: var(--text-3);
}

/* ── Tiles (Wordle grid) ── */
.tile {
  width: 30px; height: 30px; border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; font-family: monospace; color: #fff;
}
.t-c { background: #538d4e; }
.t-p { background: #b59f3b; }
.t-a { background: #3a3a3c; }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--bg-card); border: 1px solid var(--border-2);
  border-radius: var(--radius); padding: 12px 18px;
  font-size: 13px; display: flex; align-items: center; gap: 8px;
  transform: translateY(60px); opacity: 0;
  transition: all .25s; z-index: 300;
  box-shadow: var(--shadow-lg); max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ── Spinner ── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(99,153,34,.25);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block; vertical-align: middle; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── LANDING PAGE ── */
.hero {
  text-align: center; padding: 64px 20px 40px;
  max-width: 620px; margin: 0 auto;
}
.eyebrow {
  font-size: 11px; color: var(--green-dark);
  text-transform: uppercase; letter-spacing: 2px;
  font-weight: 600; margin-bottom: 16px;
}
.hero h1 { margin-bottom: 18px; }
.hero p  { font-size: 16px; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.stats-row {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 12px; max-width: 500px; margin: 48px auto;
  padding: 0 20px;
}
.stat-box {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px; text-align: center;
}
.stat-num { font-size: 28px; font-weight: 700; color: var(--green-dark); }
.stat-label { font-size: 11px; color: var(--text-3); margin-top: 3px; text-transform: uppercase; letter-spacing: .5px; }
.features { max-width: 860px; margin: 0 auto; padding: 20px 20px 40px; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.feat {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px;
}
.feat-icon { font-size: 22px; margin-bottom: 10px; }
.feat h3   { margin-bottom: 6px; }
.feat p    { font-size: 12px; }
.preview-section {
  max-width: 600px; margin: 0 auto 60px; padding: 0 20px;
  text-align: center;
}
.preview-section h2 { margin-bottom: 4px; }
.preview-sub { font-size: 13px; margin-bottom: 16px; }
.lb-preview {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 16px 20px;
  margin-bottom: 16px; text-align: left;
}
.lb-loading { font-size: 13px; color: var(--text-3); text-align: center; padding: 20px; }

/* ── APP SHELL (dashboard) ── */
.app-shell { display: flex; min-height: calc(100vh - 52px); }
.main-content { flex: 1; padding: 20px; overflow-y: auto; max-width: 900px; }
.page { display: none; }
.page.active { display: block; animation: fadeIn .2s ease; }
@keyframes fadeIn { from { opacity:0; transform:translateY(5px); } to { opacity:1; transform:translateY(0); } }

/* ── Auth pages ── */
.auth-wrap { max-width: 400px; margin: 60px auto; padding: 0 16px; }
.auth-tabs {
  display: flex; gap: 3px;
  background: var(--bg); border-radius: var(--radius); padding: 3px;
  margin-bottom: 20px;
}
.auth-tab {
  flex: 1; background: none; border: none;
  color: var(--text-2); font-size: 13px; padding: 7px;
  border-radius: 6px; cursor: pointer; transition: all .15s;
}
.auth-tab.active {
  background: var(--bg-card); color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,.07);
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-card); border-top: 1px solid var(--border);
  padding: 16px 20px; margin-top: 40px;
}
.footer-inner {
  max-width: 960px; margin: 0 auto;
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-3);
}

/* ── Chart tabs ── */
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.chart-tile {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 14px 16px; cursor: pointer; background: var(--bg-card);
  transition: all .15s;
}
.chart-tile:hover { border-color: var(--green-border); background: var(--green-light); }
.chart-num { font-size: 10px; color: var(--text-3); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .5px; }
.chart-tile h3 { font-size: 13px; font-weight: 500; margin-bottom: 3px; }
.chart-tile p  { font-size: 12px; }

/* ── Responsive ── */
@media (max-width: 640px) {
  h1 { font-size: 1.8rem; }
  .kpi-row { grid-template-columns: repeat(2,1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 4px; }
  .hero { padding: 40px 16px 28px; }
}
@media (max-width: 480px) {
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .nav-links .btn-ghost { display: none; }
}