/* ===========================================================
   Hit Sync — design tokens
   Warm cream background, a violet accent for CTAs and eyebrow
   labels, sage green for calm secondary accents (calendar
   header, feature highlights), and a serif display face for
   headings paired with a clean sans body.
=========================================================== */
:root {
  --court-green: #7C5CFC;      /* the one accent color — violet */
  --court-green-dark: #2F3A34; /* headings/ink-adjacent dark, also used for solid buttons */
  --clay: #6B8F71;             /* sage green — secondary accents (calendar header, badges) */
  --clay-dark: #547257;
  --chalk: #F7F5EF;            /* app background — warm cream */
  --chalk-panel: #FFFFFF;
  --ink: #2F3A34;
  --ink-soft: #6B7570;
  --ball: #DCE8DC;             /* pale sage tint — highlights/glow, used sparingly */
  --line: #E7E3D8;
  --danger: #C0392B;

  --font-display: 'Lora', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(47, 58, 52, 0.06);
  --shadow-lg: 0 16px 36px rgba(47, 58, 52, 0.14);
  --nav-w: 220px;
  --topbar-h: 64px;
}

/* Small purple "eyebrow" label above a page heading, e.g. "PLAYER PROFILE" */
.eyebrow {
  display: block; font-family: var(--font-body); font-size: 12px; font-weight: 800;
  color: var(--court-green); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--chalk);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .display { font-family: var(--font-display); letter-spacing: 0.01em; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
.hidden { display: none !important; }

/* ---------- Signature motif: the net-line divider ---------- */
.net-divider {
  position: relative;
  height: 1px;
  margin: 20px 0;
  background-image: linear-gradient(to right, var(--line) 60%, transparent 0%);
  background-size: 10px 1px;
  background-repeat: repeat-x;
}
.net-divider::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ball);
  transform: translateX(-50%);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: 999px;
  padding: 11px 20px;
  font-weight: 600;
  font-size: 14.5px;
  font-family: var(--font-body);
  transition: transform 0.08s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--court-green-dark); color: #fff; }
.btn-primary:hover { background: #1e2621; }
.btn-secondary { background: var(--clay); color: #fff; }
.btn-secondary:hover { background: var(--clay-dark); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { background: var(--chalk); border-color: var(--ink-soft); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===========================================================
   Auth screen
=========================================================== */
.landing-screen { min-height: 100vh; background: var(--chalk); }
.landing-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--line); background: var(--chalk-panel);
}
@media (max-width: 600px) {
  .landing-topbar { padding: 12px 14px; gap: 8px; }
  .landing-topbar .brand-logo-img { height: 22px; }
  .landing-topbar-actions { flex-shrink: 0; gap: 6px !important; }
  .landing-topbar-actions .btn { padding: 7px 11px; font-size: 12px; white-space: nowrap; }
}

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--chalk);
  padding: calc(24px + env(safe-area-inset-top)) 24px calc(24px + env(safe-area-inset-bottom));
}
.auth-card {
  background: var(--chalk-panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}
.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-logo-img { height: 32px; width: auto; display: block; }
.brand-logo-img-lg { height: 56px; }
.auth-tagline { color: var(--ink-soft); font-size: 14.5px; margin: 8px 0 22px; line-height: 1.5; }
.auth-tabs { display: flex; gap: 6px; margin-bottom: 18px; background: var(--chalk); padding: 4px; border-radius: var(--radius-sm); }
.auth-tab { flex: 1; padding: 9px; border: none; background: transparent; border-radius: 5px; font-weight: 600; color: var(--ink-soft); }
.auth-tab.active { background: var(--chalk-panel); color: var(--ink); box-shadow: var(--shadow); }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.auth-form input {
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  font-size: 15px;
  color: var(--ink);
}
.auth-form input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--ball);
  outline-offset: 1px;
  border-color: var(--court-green);
}
.auth-hint { font-size: 12.5px; color: var(--ink-soft); text-align: center; margin: 4px 0 0; }
.auth-error { color: var(--danger); font-size: 13.5px; margin-top: 14px; text-align: center; }

/* ===========================================================
   App shell
=========================================================== */
.app-shell { min-height: 100vh; }
.topbar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-h);
  background: var(--chalk-panel);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px;
  padding: 0 20px;
  z-index: 30;
}
.topbar-brand { display: flex; align-items: center; flex-shrink: 0; }
.topbar-brand .brand-logo-img { height: 26px; }
.hero-heading { font-size: 44px; }
@media (min-width: 1024px) {
  .hero-heading { font-size: 68px; }
}
@media (min-width: 1440px) {
  .hero-heading { font-size: 78px; }
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 4px;
  width: 32px; height: 32px; background: transparent; border: none;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; }
.icon-btn {
  background: var(--chalk); border: none; color: var(--ink);
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; position: relative;
  transition: background 0.12s ease, transform 0.12s ease;
}
.icon-btn:hover { background: var(--line); }
#notif-bell {
  width: 36px; height: 36px;
}
#notif-bell:active { transform: scale(0.92); }
#notif-bell:hover .bell-icon { animation: bell-wiggle 0.4s ease; }
@keyframes bell-wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-12deg); }
  50% { transform: rotate(10deg); }
  75% { transform: rotate(-6deg); }
}
.notif-icon svg { width: 18px; height: 18px; }
.notif-count {
  position: absolute; top: -2px; right: -2px;
  background: var(--danger); color: #fff;
  font-size: 10.5px; font-weight: 800;
  min-width: 18px; height: 18px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px; border: 2px solid var(--chalk-panel);
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2);
}

/* Nav — a fixed off-canvas panel on mobile (unchanged structure/behavior,
   so the tutorial's mobile highlighting logic keeps working exactly as
   before); on wider screens it's repositioned to sit inline in the top
   bar as a horizontal row of links instead of a left column. */
.side-nav {
  position: fixed; top: var(--topbar-h); left: 0; bottom: 0;
  width: var(--nav-w);
  background: var(--chalk-panel);
  border-right: 1px solid var(--line);
  padding: 18px 12px;
  display: flex; flex-direction: column; gap: 3px;
  z-index: 25;
}
.nav-link {
  text-align: left;
  background: transparent; border: none; color: var(--ink-soft);
  padding: 11px 14px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 14.5px; white-space: nowrap;
}
.nav-link:hover { background: var(--chalk); color: var(--ink); }
.nav-link.active { background: var(--ball); color: var(--court-green-dark); }
.nav-scrim { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 20; }

.replay-tutorial-fab {
  position: fixed; right: 18px; bottom: 18px;
  padding: 9px 16px; border-radius: 999px;
  background: var(--chalk-panel); border: 1.5px solid var(--line); color: var(--ink-soft);
  font-weight: 700; font-size: 13px; font-family: var(--font-body);
  box-shadow: var(--shadow); z-index: 15;
  transition: background 0.12s ease, color 0.12s ease;
}
.replay-tutorial-fab:hover { background: var(--ball); color: var(--court-green-dark); border-color: var(--court-green); }

@media (min-width: 861px) {
  .side-nav {
    position: static; height: 100%; background: transparent; border-right: none;
    flex-direction: row; justify-content: flex-start; align-items: center;
    gap: clamp(2px, 0.6vw, 6px); padding: 0;
    overflow-x: visible; z-index: auto; min-width: 0; flex-shrink: 1;
  }
  .nav-link {
    font-size: clamp(10.5px, 1.3vw, 15.5px);
    padding: clamp(6px, 0.9vw, 12px) clamp(6px, 1.1vw, 16px);
    flex-shrink: 0;
  }
  .nav-link.active { background: var(--ball); }
}

.page-content {
  margin-left: 0;
  margin-top: var(--topbar-h);
  padding: 28px 32px 60px;
  max-width: 1080px;
}
@media (max-width: 860px) {
  .page-content { margin-left: 0; }
}
@media (min-width: 861px) {
  .page-content { margin: var(--topbar-h) auto 0; padding: 28px 32px 60px; }
}

/* ===========================================================
   Shared page pieces
=========================================================== */
.page-header { margin-bottom: 22px; }
.page-header h1 { font-size: 40px; margin: 0 0 4px; color: var(--ink); font-weight: 600; }
@media (min-width: 1024px) {
  .page-header { margin-bottom: 32px; }
  .page-header h1 { font-size: 52px; line-height: 1.05; margin: 0 0 16px; }
  .page-header p { font-size: 16px; }
  .eyebrow { font-size: 13px; }
}
.page-header p { color: var(--ink-soft); margin: 0; font-size: 14.5px; }

.callout {
  background: var(--chalk-panel); border: 1px solid var(--line); border-left: 4px solid var(--court-green);
  border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 20px;
}
.callout.callout-sage { border-left-color: var(--clay); }
.callout h4 { margin: 0 0 4px; font-size: 15px; font-weight: 700; color: var(--ink); font-family: var(--font-body); }
.callout p { margin: 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }

.stats-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px;
}
.stat-card {
  background: var(--chalk-panel); border-radius: var(--radius); padding: 16px 14px;
  box-shadow: var(--shadow); text-align: center;
  border-bottom: 3px solid var(--ball);
}
.stat-num { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--court-green); line-height: 1; }
.stat-label { font-size: 11.5px; font-weight: 600; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.03em; margin-top: 6px; }

.card {
  background: var(--chalk-panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
#modal-backdrop > .card { margin: auto; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.filter-bar {
  display: flex; flex-wrap: wrap; gap: 10px;
  background: var(--chalk-panel); padding: 14px; border-radius: var(--radius);
  box-shadow: var(--shadow); margin-bottom: 18px;
}
.filter-bar select, .filter-bar input {
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: 8px 10px; font-size: 13.5px; color: var(--ink); background: var(--chalk);
}
.filter-bar label { font-size: 12px; font-weight: 700; color: var(--ink-soft); display: flex; flex-direction: column; gap: 4px; }
.simple-filters { align-items: flex-end; }
.simple-filters label:not([style*="100%"]) { min-width: 150px; flex: 1 1 150px; }

@media (max-width: 640px) {
  .simple-filters {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; align-items: stretch;
  }
  .simple-filters label { min-width: 0; font-size: 11px; gap: 2px; }
  .simple-filters label[style*="100%"] { grid-column: 1 / -1; }
  .simple-filters select, .simple-filters input { padding: 7px 8px; font-size: 16px; }
  .simple-filters #f-apply { grid-column: 1 / -1; margin-top: 4px; }
}

/* Player / match card — the signature card style */
.player-card {
  background: var(--chalk-panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  position: relative;
  border-top: 3px solid var(--clay);
}
.player-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; color: #fff; font-weight: 700; font-family: var(--font-display);
  flex-shrink: 0; letter-spacing: -0.02em;
}
.player-card-name-row { display: flex; align-items: center; gap: 10px; }
.player-name { font-weight: 700; font-size: 16.5px; margin: 0; }
.player-meta { color: var(--ink-soft); font-size: 12.5px; margin: 3px 0 0; }
.rating-badge {
  font-family: var(--font-mono);
  background: var(--court-green);
  color: #fff;
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.player-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }

@media (min-width: 1024px) {
  .tilt-card { transform: rotate(-2deg); transition: transform 0.15s ease; }
  .tilt-card:hover { transform: rotate(0deg); }
  .tilt-card.card { padding: 36px; max-width: 380px !important; }
  .tilt-card .player-name { font-size: 26px !important; }
  .tilt-card .player-meta { font-size: 15px; }
  .tilt-card .tag { font-size: 13px; padding: 5px 12px; }
  .tilt-card ul { font-size: 15.5px !important; }
}
.tag {
  font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
  padding: 3px 8px; border-radius: 20px;
  background: var(--chalk); color: var(--ink-soft); border: 1px solid var(--line);
}
.tag.paid { background: rgba(79, 70, 229, 0.12); color: var(--court-green-dark); border-color: transparent; }
.player-card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.player-card-actions .btn { width: 100%; white-space: nowrap; }
.player-card-actions .full-span { grid-column: 1 / -1; }
.bio-text { font-size: 13.5px; color: var(--ink-soft); margin-top: 10px; line-height: 1.5; }
.avail-summary { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); }
.avail-summary-row { font-size: 12.5px; color: var(--ink-soft); padding: 2px 0; }
.avail-summary-row strong { color: var(--ink); margin-right: 6px; }

/* Status chips (scoreboard style) */
.chip { font-family: var(--font-mono); font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 4px; text-transform: uppercase; }
.chip-pending { background: #FFF1DE; color: #8A5A16; }
.chip-accepted { background: #EEF2FF; color: var(--court-green-dark); }
.chip-declined { background: #FDE4E8; color: var(--danger); }
.chip-cancelled { background: #EFEFEF; color: var(--ink-soft); }
.chip-completed { background: #EDEBFB; color: var(--court-green); }

/* Empty state */
.empty-state {
  text-align: center; padding: 44px 20px; color: var(--ink-soft);
  background: var(--chalk-panel); border-radius: var(--radius); box-shadow: var(--shadow);
}
.empty-state .display { font-size: 18px; color: var(--court-green-dark); margin-bottom: 6px; }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.form-grid label, .form-stack label { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; font-weight: 700; color: var(--ink-soft); }
.form-stack { display: flex; flex-direction: column; gap: 14px; }
.form-grid input, .form-grid select, .form-stack input, .form-stack select, .form-stack textarea {
  border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 14px; color: var(--ink);
}
.form-grid .full { grid-column: 1 / -1; }
textarea { resize: vertical; min-height: 80px; }

/* Availability — per-day list of custom time ranges (touch-friendly) */
.avail-day-row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.avail-day-row:last-child { border-bottom: none; }
.avail-day-name { width: 58px; flex-shrink: 0; font-weight: 700; font-size: 13.5px; padding-top: 9px; color: var(--ink); display: flex; flex-direction: column; gap: 2px; }
.avail-day-date { font-family: var(--font-mono); font-weight: 500; font-size: 11px; color: var(--ink-soft); }
.avail-chips { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.avail-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--clay); color: #fff;
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 600;
  padding: 8px 8px 8px 12px; border-radius: 20px;
}
.avail-chip.recurring { background: var(--court-green); }
.avail-chip.past { background: var(--line); color: var(--ink-soft); font-style: italic; }
.avail-chip.past .chip-remove { background: rgba(27,26,46,0.1); color: var(--ink-soft); }
.chip-remove {
  background: rgba(255,255,255,0.22); border: none; color: #fff;
  width: 22px; height: 22px; border-radius: 50%; font-size: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.avail-add-btn { border-radius: 20px; }
.avail-add-form {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 10px; width: 100%; padding: 12px; background: var(--chalk); border-radius: 10px;
}
.avail-add-form input[type="time"] {
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: 9px 10px; font-size: 16px; color: var(--ink); background: var(--chalk-panel);
}
.avail-add-form span { color: var(--ink-soft); font-size: 13px; }

/* Calendar */
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.calendar-cell {
  min-height: 84px; background: var(--chalk-panel); border-radius: 8px; padding: 6px;
  font-size: 11px; box-shadow: var(--shadow); position: relative;
}
.calendar-cell .date-num { font-family: var(--font-mono); font-weight: 700; color: var(--ink-soft); }
.calendar-event {
  margin-top: 4px; background: var(--clay); color: #fff; border-radius: 4px;
  padding: 3px 5px; font-size: 10.5px; font-weight: 600; line-height: 1.3;
}

/* Notifications dropdown */
.notif-panel {
  position: fixed; top: calc(var(--topbar-h) + 8px + env(safe-area-inset-top)); right: 12px; width: 340px; max-height: 70vh; overflow-y: auto;
  background: var(--chalk-panel); border-radius: var(--radius); box-shadow: var(--shadow-lg); z-index: 40; padding: 0;
  border: 1px solid var(--line);
}
.notif-panel-header {
  padding: 14px 16px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0;
  background: var(--chalk-panel); border-radius: var(--radius) var(--radius) 0 0;
}
.notif-item {
  padding: 12px 16px; font-size: 13.5px; display: flex; gap: 10px; align-items: flex-start;
  border-bottom: 1px solid var(--line); cursor: pointer;
}
.notif-item:last-child { border-bottom: none; }
.notif-item:hover { background: var(--chalk); }
.notif-item.unread { background: rgba(79, 70, 229, 0.05); position: relative; }
.notif-item.unread::before {
  content: ""; position: absolute; left: 6px; top: 18px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--court-green);
}
.notif-item.unread { padding-left: 24px; }
.notif-icon { flex-shrink: 0; display: flex; align-items: center; padding-top: 2px; }
.notif-time { font-size: 11px; color: var(--ink-soft); margin-top: 3px; }

/* Messages — modern chat layout */
.thread-list { display: flex; flex-direction: column; gap: 3px; padding: 6px; }
.thread-item {
  display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 12px;
  font-weight: 600; font-size: 14px; transition: background 0.12s ease;
}
.thread-item:hover { background: var(--chalk); }
.thread-item.active { background: var(--court-green); color: #fff; }
.chat-window {
  display: flex; flex-direction: column; height: 62vh;
  background: var(--chalk-panel); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden;
}
.chat-messages {
  flex: 1; overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; gap: 6px;
  background: var(--chalk);
}
.msg-group { display: flex; flex-direction: column; gap: 2px; margin-bottom: 4px; }
.msg-group.mine { align-items: flex-end; }
.msg-group.theirs { align-items: flex-start; }
.msg-bubble {
  max-width: 72%; padding: 10px 15px; border-radius: 18px; font-size: 14px; line-height: 1.45;
  box-shadow: 0 1px 2px rgba(22, 24, 29, 0.05);
}
.msg-bubble.mine {
  align-self: flex-end;
  background: var(--court-green);
  color: #fff;
  border-bottom-right-radius: 5px;
}
.msg-bubble.theirs {
  align-self: flex-start;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-bottom-left-radius: 5px;
}
.msg-timestamp { font-size: 10.5px; color: var(--ink-soft); padding: 0 6px; }
.chat-header {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border-bottom: 1px solid var(--line); background: var(--chalk-panel);
}
.chat-input-row { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--line); background: var(--chalk-panel); }
.chat-input-row input {
  flex: 1; border: 1.5px solid var(--line); border-radius: 24px; padding: 11px 18px; font-size: 14px;
  transition: border-color 0.12s ease;
}
.chat-input-row input:focus { border-color: var(--court-green); outline: none; }

/* Toast */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 8px;
  font-size: 13.5px; z-index: 60; box-shadow: var(--shadow-lg);
}

/* ===========================================================
   Tutorial overlay
=========================================================== */
.tutorial-overlay { position: fixed; inset: 0; z-index: 100; pointer-events: none; }
.tutorial-highlight {
  position: absolute; border-radius: 10px;
  box-shadow: 0 0 0 4px var(--ball), 0 0 0 9999px rgba(15, 30, 27, 0.55);
  transition: box-shadow 0.2s ease;
  pointer-events: none;
  will-change: left, top, width, height;
}
.tutorial-box {
  position: absolute; max-width: min(300px, calc(100vw - 32px)); background: var(--ink); color: #fff;
  padding: 16px; border-radius: 10px; box-shadow: var(--shadow-lg);
  pointer-events: auto; font-size: 13.5px; line-height: 1.5;
}
.tutorial-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; gap: 8px; }
.tutorial-waiting-hint { font-size: 12px; color: var(--ball); margin-top: 10px; font-weight: 600; }
.tutorial-end-btn { background: transparent; border: 1px solid rgba(255,255,255,0.35); color: #fff; }
.tutorial-end-btn:hover { background: rgba(255,255,255,0.12); }

/* ===========================================================
   Mobile responsive — this app is primarily used on phones,
   so touch target size, zoom prevention, and safe-area insets
   matter everywhere, not just at the layout breakpoint.
=========================================================== */

/* Prevent iOS Safari from auto-zooming when a text input is focused
   (it does this automatically for any input with font-size < 16px). */
input, select, textarea { font-size: 16px; }
.auth-form input, .filter-bar input, .filter-bar select { font-size: 16px; }

/* Respect the notch / home indicator on modern phones. */
.topbar { padding-top: env(safe-area-inset-top); height: calc(var(--topbar-h) + env(safe-area-inset-top)); }
.page-content { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }

@media (max-width: 860px) {
  .side-nav { padding-top: calc(18px + env(safe-area-inset-top)); padding-bottom: env(safe-area-inset-bottom); }
}

@media (max-width: 860px) {
  .form-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: flex; }
  .side-nav {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    width: 250px;
    box-shadow: var(--shadow-lg);
    top: calc(var(--topbar-h) + env(safe-area-inset-top));
  }
  .side-nav.open { transform: translateX(0); }
  .page-content { margin-left: 0; margin-top: calc(var(--topbar-h) + env(safe-area-inset-top)); padding: 18px 14px 60px; }
  .grid-2 { grid-template-columns: 1fr; }
  .calendar-grid { grid-template-columns: repeat(7, minmax(70px, 1fr)); overflow-x: auto; }
  .notif-panel { width: calc(100vw - 24px); max-height: 60vh; }
  .filter-bar { flex-direction: column; }
  .filter-bar label { width: 100%; }

  /* Bigger tap targets everywhere on touch screens */
  .btn { min-height: 44px; padding: 12px 18px; }
  .btn-sm { min-height: 38px; }
  .nav-link { padding: 13px 14px; font-size: 15px; }
  .icon-btn { width: 40px; height: 40px; }
  .avail-day-row { align-items: center; }
  .chip-remove { width: 26px; height: 26px; }

  /* Messages: stack the thread list above the chat window instead of
     a cramped two-column layout. */
  #page-content .grid[style*="240px"] { grid-template-columns: 1fr !important; }

  /* Modals take the full screen on phones instead of a small centered card */
  #modal-backdrop { padding: 0; align-items: flex-end; }
  #modal-backdrop > .card {
    max-width: 100% !important; width: 100%; border-radius: 16px 16px 0 0;
    max-height: 88vh; overflow-y: auto;
    padding-bottom: calc(20px + env(safe-area-inset-bottom));
  }

  .stats-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px) {
  .page-header h1 { font-size: 22px; }
  .card { padding: 16px; }
  .avail-day-row { flex-direction: column; gap: 6px; }
  .avail-day-name { width: auto; padding-top: 0; flex-direction: row; align-items: baseline; gap: 6px; }
}