:root {
  color-scheme: light dark;
  --bg: #f3f7f5;
  --bg-glow: #d5efe6;
  --panel: #ffffff;
  --panel-soft: #f8fcfa;
  --panel-elevated: rgba(255, 255, 255, 0.96);
  --text: #192126;
  --muted: #4a5a64;
  --border: #dce9e4;
  --border-strong: #cfe0d9;
  --accent: #0d7c66;
  --accent-strong: #0b6d59;
  --accent-contrast: #ffffff;
  --field-bg: #ffffff;
  --field-text: #16302a;
  --status-bg: #f4fbf8;
  --status-border: #dcece5;
  --card-grad-start: #f7fcfa;
  --card-grad-end: #eef7f2;
  --accordion-bg: #fbfdfc;
  --accordion-button: #f0f8f4;
  --accordion-button-hover: #e8f3ee;
  --button-bg: #16302a;
  --button-hover: #0f211d;
  --badge-bg: #e8f5f0;
  --badge-text: #0b6d59;
  --modal-bg: rgba(9, 22, 27, 0.48);
  --overlay-bg: rgba(6, 14, 20, 0.52);
  --replay-shell-border: rgba(214, 227, 221, 0.7);
  --replay-shell-start: #ffffff;
  --replay-shell-end: #f7fbf9;
  --replay-side-start: rgba(244, 250, 247, 0.98);
  --replay-side-end: rgba(255, 255, 255, 0.98);
  --progress-track: #e3ece8;
  --progress-fill-start: #0d7c66;
  --progress-fill-end: #22a58b;
  --route: #f05454;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #07111f;
    --bg-glow: #122746;
    --panel: #0d1a2d;
    --panel-soft: #12213a;
    --panel-elevated: rgba(13, 26, 45, 0.96);
    --text: #e6eefb;
    --muted: #9eb2cf;
    --border: #233754;
    --border-strong: #324968;
    --accent: #315f9f;
    --accent-strong: #4475bc;
    --accent-contrast: #f6f9ff;
    --field-bg: #102038;
    --field-text: #edf3ff;
    --status-bg: #102038;
    --status-border: #274061;
    --card-grad-start: #13243f;
    --card-grad-end: #0d1a2d;
    --accordion-bg: #0f1d33;
    --accordion-button: #142742;
    --accordion-button-hover: #1a3152;
    --button-bg: #193151;
    --button-hover: #25426a;
    --badge-bg: #163152;
    --badge-text: #b9d3ff;
    --modal-bg: rgba(3, 8, 16, 0.66);
    --overlay-bg: rgba(3, 8, 16, 0.7);
    --replay-shell-border: rgba(72, 100, 144, 0.7);
    --replay-shell-start: #0f1c31;
    --replay-shell-end: #0b1627;
    --replay-side-start: rgba(16, 31, 53, 0.98);
    --replay-side-end: rgba(12, 23, 40, 0.98);
    --progress-track: #162842;
    --progress-fill-start: #315f9f;
    --progress-fill-end: #6ea0e8;
    --route: #ff6b6b;
  }
}

body[data-theme="light"] {
  --bg: #f3f7f5;
  --bg-glow: #d5efe6;
  --panel: #ffffff;
  --panel-soft: #f8fcfa;
  --panel-elevated: rgba(255, 255, 255, 0.96);
  --text: #192126;
  --muted: #4a5a64;
  --border: #dce9e4;
  --border-strong: #cfe0d9;
  --accent: #0d7c66;
  --accent-strong: #0b6d59;
  --accent-contrast: #ffffff;
  --field-bg: #ffffff;
  --field-text: #16302a;
  --status-bg: #f4fbf8;
  --status-border: #dcece5;
  --card-grad-start: #f7fcfa;
  --card-grad-end: #eef7f2;
  --accordion-bg: #fbfdfc;
  --accordion-button: #f0f8f4;
  --accordion-button-hover: #e8f3ee;
  --button-bg: #16302a;
  --button-hover: #0f211d;
  --badge-bg: #e8f5f0;
  --badge-text: #0b6d59;
  --modal-bg: rgba(9, 22, 27, 0.48);
  --overlay-bg: rgba(6, 14, 20, 0.52);
  --replay-shell-border: rgba(214, 227, 221, 0.7);
  --replay-shell-start: #ffffff;
  --replay-shell-end: #f7fbf9;
  --replay-side-start: rgba(244, 250, 247, 0.98);
  --replay-side-end: rgba(255, 255, 255, 0.98);
  --progress-track: #e3ece8;
  --progress-fill-start: #0d7c66;
  --progress-fill-end: #22a58b;
  --route: #f05454;
}

body[data-theme="dark"] {
  --bg: #07111f;
  --bg-glow: #122746;
  --panel: #0d1a2d;
  --panel-soft: #12213a;
  --panel-elevated: rgba(13, 26, 45, 0.96);
  --text: #e6eefb;
  --muted: #9eb2cf;
  --border: #233754;
  --border-strong: #324968;
  --accent: #315f9f;
  --accent-strong: #4475bc;
  --accent-contrast: #f6f9ff;
  --field-bg: #102038;
  --field-text: #edf3ff;
  --status-bg: #102038;
  --status-border: #274061;
  --card-grad-start: #13243f;
  --card-grad-end: #0d1a2d;
  --accordion-bg: #0f1d33;
  --accordion-button: #142742;
  --accordion-button-hover: #1a3152;
  --button-bg: #193151;
  --button-hover: #25426a;
  --badge-bg: #163152;
  --badge-text: #b9d3ff;
  --modal-bg: rgba(3, 8, 16, 0.66);
  --overlay-bg: rgba(3, 8, 16, 0.7);
  --replay-shell-border: rgba(72, 100, 144, 0.7);
  --replay-shell-start: #0f1c31;
  --replay-shell-end: #0b1627;
  --replay-side-start: rgba(16, 31, 53, 0.98);
  --replay-side-end: rgba(12, 23, 40, 0.98);
  --progress-track: #162842;
  --progress-fill-start: #315f9f;
  --progress-fill-end: #6ea0e8;
  --route: #ff6b6b;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, var(--bg-glow) 0, var(--bg) 55%);
}

body.auth-locked {
  overflow: hidden;
}

.app {
  width: 100%;
  height: 100dvh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  position: relative;
}

.app.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

.app.ride-lesson-open {
  grid-template-columns: 0 1fr;
}

.panel {
  position: relative;
  padding: 1rem;
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  box-shadow: inset -1px 0 0 var(--border);
}

.app.sidebar-collapsed .panel {
  padding: 0;
  border-right: 0;
  overflow: visible;
}

.app.ride-lesson-open .panel {
  padding: 0;
  border-right: 0;
  overflow: hidden;
}

.app.sidebar-collapsed .panel > :not(.sidebar-tab) {
  display: none;
}

.app.ride-lesson-open .panel > :not(.sidebar-tab) {
  display: none;
}

.sidebar-tab {
  position: absolute;
  z-index: 1250;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 800;
  font-size: 0.88rem;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(13, 124, 102, 0.32);
}

.sidebar-tab:hover {
  background: var(--accent-strong);
}

.app.sidebar-collapsed .sidebar-tab,
.app.ride-lesson-open .sidebar-tab {
  right: -16px;
  width: 26px;
  height: 46px;
  border-radius: 0 10px 10px 0;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  padding-right: 3rem;
}

.side-nav {
  display: grid;
  gap: 0.55rem;
  margin: 0.9rem 0 1rem;
}

.side-nav-link {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--accordion-bg);
  color: var(--text);
  padding: 0.8rem 0.9rem;
  text-align: left;
  font-weight: 800;
  cursor: pointer;
}

.side-nav-link:hover {
  border-color: var(--accent);
  background: var(--accordion-button);
}

.side-nav-link.active {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--accent-contrast);
}

.sidebar-view {
  display: block;
}

.lesson-browser-card {
  padding: 1rem 1.05rem;
}

.lesson-browser-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: start;
  margin-bottom: 0.55rem;
}

.lesson-browser-title {
  margin: 0;
}

.lesson-add-button {
  flex-shrink: 0;
  border: 0;
  cursor: pointer;
}

.lesson-browser-copy {
  margin-bottom: 0.9rem;
}

.lesson-browser-list {
  display: grid;
  gap: 0.8rem;
}

.lesson-list-item {
  display: grid;
  gap: 0.7rem;
}

.lesson-list-open {
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 0;
  cursor: pointer;
}

.lesson-card-head {
  align-items: center;
}

.lesson-card-copy {
  min-width: 0;
}

.lesson-status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lesson-status-pending {
  background: rgba(249, 115, 22, 0.14);
  color: #fb923c;
}

.lesson-status-ready {
  background: rgba(59, 130, 246, 0.14);
  color: #93c5fd;
}

.lesson-status-error {
  background: rgba(239, 68, 68, 0.14);
  color: #fca5a5;
}

.lesson-card-progress {
  display: grid;
  gap: 0.42rem;
  margin-top: 0.1rem;
}

.lesson-card-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.lesson-progress-track {
  height: 8px;
}

.lesson-card-footer {
  color: var(--muted);
  font-size: 0.92rem;
}

.content-shell {
  min-width: 0;
  min-height: 0;
  padding: 1rem;
  overflow: auto;
}

.content-view {
  width: 100%;
  height: 100%;
  min-height: 0;
}

.ride-empty-state {
  display: block;
  min-height: calc(100dvh - 8rem);
  padding: 1rem 1.05rem;
  text-align: left;
}

.ride-lesson-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(420px, 58dvh) auto;
  gap: 1rem;
  min-height: 100%;
  align-content: start;
}

.ride-lesson-toolbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(260px, 360px);
  gap: 1rem;
  align-items: start;
}

.ride-lesson-actions {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.ride-back-button {
  border: 0;
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--accent-contrast);
  padding: 0.7rem 1rem;
  font-weight: 800;
  cursor: pointer;
}

.ride-back-button:hover {
  background: var(--button-hover);
}

.ride-lesson-meta h2 {
  margin: 0.1rem 0 0.35rem;
}

.ride-status {
  margin: 0;
}

.inline-loading-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--card-grad-start) 0%, var(--card-grad-end) 100%);
  padding: 0.9rem 1rem;
}

.inline-loading-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.35rem;
}

.inline-loading-card #loadingText {
  margin-bottom: 0.45rem;
}

.ride-detail-stack {
  display: grid;
  gap: 0.85rem;
  padding-bottom: 1.2rem;
}

.screen-card {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(180deg, var(--card-grad-start) 0%, var(--card-grad-end) 100%);
  box-shadow: 0 18px 40px rgba(4, 10, 20, 0.14);
}

.placeholder-screen {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.6rem;
  height: 100%;
  text-align: center;
  padding: 2rem;
}

.home-shell {
  display: grid;
  gap: 1rem;
}

.home-hero {
  padding: 1.2rem 1.25rem;
}

.home-hero h2 {
  margin: 0.2rem 0 0.35rem;
}

.home-hero p:last-child {
  margin: 0;
  color: var(--muted);
}

.home-widgets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.home-widget {
  padding: 1rem 1.05rem;
}

.home-widget-label {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.home-widget-value {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.35rem;
  line-height: 1.15;
}

.home-widget-meta {
  margin: 0;
  color: var(--muted);
}

.placeholder-screen h2,
.planner-intro h2 {
  margin: 0;
}

.placeholder-screen p:last-child,
.planner-intro p:last-child {
  margin: 0;
  color: var(--muted);
}

.screen-eyebrow {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--accent);
}

.user-panel {
  display: flex;
  gap: 0.55rem;
  align-items: center;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.82rem;
  font-weight: 800;
}

.logout-button {
  border: 0;
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--accent-contrast);
  padding: 0.45rem 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.logout-button:hover {
  background: var(--button-hover);
}

.hidden {
  display: none !important;
}

.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  background:
    linear-gradient(135deg, rgba(9, 37, 31, 0.9), rgba(13, 124, 102, 0.76)),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.16), transparent 42%);
  backdrop-filter: blur(10px);
}

.auth-card {
  width: min(100%, 430px);
  padding: 1.4rem;
  border-radius: 22px;
  background: var(--panel-elevated);
  box-shadow: 0 22px 70px rgba(9, 37, 31, 0.28);
}

.auth-copy h2 {
  margin: 0.2rem 0 0.45rem;
}

.auth-copy p:last-child {
  margin: 0;
  color: var(--muted);
}

.auth-eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin: 1rem 0;
}

.auth-tab {
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--field-bg);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  font-weight: 800;
  cursor: pointer;
}

.auth-tab.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.auth-form {
  display: grid;
  gap: 0.8rem;
}

.auth-field {
  display: grid;
  gap: 0.35rem;
}

.auth-field span {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--muted);
}

.auth-field input {
  width: 100%;
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  font-size: 0.98rem;
  background: var(--field-bg);
  color: var(--field-text);
}

.auth-field input:focus {
  outline: 2px solid rgba(49, 95, 159, 0.22);
  border-color: var(--accent);
}

.auth-submit {
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--accent-contrast);
  padding: 0.85rem 0.95rem;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
}

.auth-submit:hover {
  filter: brightness(0.97);
}

.auth-message {
  margin: 0;
  min-height: 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.auth-message.error {
  color: #b42318;
}

.muted {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.4;
}

.file-label {
  display: inline-block;
  padding: 0.6rem 0.8rem;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

input[type="file"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.status {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  background: var(--status-bg);
  border: 1px solid var(--status-border);
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
}

.lesson-card {
  margin: 0 0 0.8rem;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: linear-gradient(180deg, var(--card-grad-start) 0%, var(--card-grad-end) 100%);
}

.lesson-card-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.55rem;
}

.lesson-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.lesson-active-text {
  margin-top: 0.2rem;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}

.lesson-badge {
  display: inline-block;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 800;
  font-size: 0.82rem;
  white-space: nowrap;
}

.lesson-inline,
.lesson-picker {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
}

.lesson-stepper {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 42px;
  gap: 0.5rem;
  align-items: center;
}

.lesson-stepper-btn {
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--field-bg);
  color: var(--field-text);
  height: 44px;
  font-size: 1.15rem;
  font-weight: 800;
  cursor: pointer;
}

.lesson-stepper-btn:hover {
  border-color: var(--accent);
}

.lesson-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

.lesson-input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--field-bg);
  color: var(--field-text);
  font-size: 0.98rem;
  font-weight: 700;
}

.lesson-input:focus {
  outline: 2px solid rgba(49, 95, 159, 0.22);
  border-color: var(--accent);
}

.lesson-hint {
  margin: 0;
  font-size: 0.82rem;
  color: #567068;
}

.lesson-history {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.lesson-chip-wrap {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  overflow: hidden;
  background: var(--field-bg);
}

.lesson-chip {
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 0.38rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.lesson-chip-wrap:hover {
  border-color: var(--accent);
}

.lesson-chip:hover {
  color: var(--accent);
}

.lesson-chip-wrap.active {
  border-color: var(--accent);
  background: var(--accent);
}

.lesson-chip-wrap.active .lesson-chip {
  color: var(--accent-contrast);
}

.legend {
  margin-top: 0.8rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-soft);
}

.legend + .simple-panel {
  margin-top: 0.9rem;
}

.legend-title {
  margin: 0;
  font-weight: 600;
  font-size: 0.9rem;
}

.legend-row {
  display: grid;
  grid-template-columns: 14px 1fr 14px 1fr;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.brake-light {
  background: #ffb2b2;
}

.brake-hard {
  background: #c30010;
}

.accel-light {
  background: #bde4ff;
}

.accel-hard {
  background: #005ecc;
}

.neutral-light {
  background: #60a5fa;
}

.stops-title {
  margin: 1rem 0 0.5rem;
  font-size: 1rem;
}

.simple-panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--accordion-bg);
  margin-bottom: 0.65rem;
  padding: 0.65rem 0.75rem;
}

.simple-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.simple-panel-title {
  margin: 0;
  font-size: 0.92rem;
}

.panel-toggle {
  border: 1px solid var(--border);
  background: var(--field-bg);
  color: var(--text);
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.panel-toggle:hover {
  background: var(--accordion-button-hover);
}

.panel-body {
  margin-top: 0.5rem;
}

.collapsible-panel.collapsed .panel-body {
  display: none;
}

.simple-switch-list {
  display: grid;
  gap: 0.45rem;
}

.simple-switch-row {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  align-items: center;
  min-height: 42px;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--field-bg);
}

.simple-switch-copy {
  display: grid;
  min-width: 0;
}

.simple-switch-copy strong {
  font-size: 0.84rem;
  line-height: 1.1;
  color: var(--text);
}

.simple-switch-copy span {
  font-size: 0.82rem;
  color: var(--muted);
}

.filter-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 0.4rem 0 0.7rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.settings-grid {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.45rem;
}

.settings-field {
  display: grid;
  gap: 0.28rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.settings-field span {
  font-weight: 700;
  color: var(--text);
}

.settings-field input,
.settings-field select {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--field-bg);
  color: var(--field-text);
  font-size: 0.9rem;
}

.settings-hint {
  margin: 0.7rem 0 0;
  font-size: 0.8rem;
  color: #60716b;
  line-height: 1.4;
}

.settings-action {
  margin-top: 0.75rem;
  border: 0;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.65rem 0.8rem;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.settings-action:hover {
  background: var(--accent-strong);
}

.switch {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #c7d4df;
  transition: background 0.2s ease;
}

.slider::before {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s ease;
}

.switch input:checked + .slider {
  background: var(--accent);
}

.switch input:checked + .slider::before {
  transform: translateX(18px);
}

.stop-list {
  list-style: none;
  margin: 0;
  padding: 0 0 1rem;
  display: grid;
  gap: 0.55rem;
}

.stop-empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.stop-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--field-bg);
  padding: 0.6rem;
  cursor: pointer;
}

.stop-item:hover {
  border-color: #c6d9d1;
}

.stop-head {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
  font-size: 0.88rem;
}

.stop-meta {
  color: var(--muted);
  font-size: 0.82rem;
  margin: 0.15rem 0;
}

.phase {
  margin-top: 0.4rem;
  padding-top: 0.35rem;
  border-top: 1px dashed var(--border);
  font-size: 0.82rem;
}

.phase-badge {
  display: inline-block;
  color: #fff;
  font-weight: 600;
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  margin-right: 0.35rem;
}

.detail-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-soft);
  padding: 0.65rem;
  font-size: 0.84rem;
  color: #2c4049;
  line-height: 1.35;
}

.detail-title {
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.score-pill {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  font-size: 0.74rem;
  margin-left: 0.35rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.12rem 0;
}

.summary-row span:last-child {
  font-weight: 700;
}

.summary-section {
  margin-top: 0.45rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--field-bg);
  padding: 0.35rem 0.5rem;
}

.summary-section > summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
  list-style: none;
}

.summary-section > summary::-webkit-details-marker {
  display: none;
}

.summary-section > summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 0.35rem;
  transition: transform 0.15s ease;
}

.summary-section[open] > summary::before {
  transform: rotate(90deg);
}

.map-wrap {
  min-height: 420px;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(16, 34, 58, 0.94) 0%, rgba(10, 21, 38, 0.98) 100%);
  box-shadow: 0 18px 40px rgba(4, 10, 20, 0.14);
}

.planner-shell {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.planner-intro,
.planner-shell .screen-card {
  padding: 1rem 1.1rem;
}

.planner-form {
  display: grid;
  gap: 0.8rem;
}

.planner-notes textarea {
  width: 100%;
  resize: vertical;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--field-bg);
  color: var(--field-text);
  font: inherit;
}

.planner-submit {
  justify-self: start;
}

.planner-list-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
  margin-bottom: 0.8rem;
}

.planner-list-head h3 {
  margin: 0;
}

.planner-list {
  display: grid;
  gap: 0.8rem;
}

.planner-item,
.planner-empty {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--field-bg);
  padding: 0.9rem;
}

.planner-item-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: start;
  margin-bottom: 0.45rem;
}

.planner-item-time,
.planner-item-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.planner-item-location {
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.planner-item-notes {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.planner-delete {
  border: 0;
  border-radius: 999px;
  background: var(--button-bg);
  color: var(--accent-contrast);
  padding: 0.45rem 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.planner-delete:hover {
  background: #b42318;
}

.planner-delete.lesson-delete {
  justify-self: start;
  width: auto;
  min-width: 0;
  border-left: 0;
  padding: 0.55rem 0.9rem;
  font-size: 0.84rem;
  line-height: 1;
}

#map {
  width: 100%;
  height: 100%;
  min-height: 0;
  background: #17304d;
}

#map .leaflet-tile,
.replay-map .leaflet-tile {
  filter: none;
}

#map .leaflet-tile-pane,
.replay-map .leaflet-tile-pane {
  opacity: 1;
}

body[data-map-theme="dark"] #map .leaflet-tile,
body[data-map-theme="dark"] .replay-map .leaflet-tile {
  filter: hue-rotate(196deg) saturate(1.08) brightness(0.98) contrast(1.08);
}

body[data-map-theme="dark"] #map .leaflet-tile-pane,
body[data-map-theme="dark"] .replay-map .leaflet-tile-pane {
  opacity: 0.98;
}

body[data-map-theme="light"] #map .leaflet-tile,
body[data-map-theme="light"] .replay-map .leaflet-tile {
  filter: contrast(1.03) saturate(1.02);
}

.start-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--modal-bg);
  backdrop-filter: blur(2px);
}

.start-modal.hidden {
  display: none;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--overlay-bg);
  backdrop-filter: blur(2px);
}

.loading-overlay.hidden {
  display: none;
}

.replay-modal {
  position: fixed;
  inset: 0;
  z-index: 2200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.45rem, 2vw, 1rem);
  background: rgba(8, 16, 22, 0.72);
  backdrop-filter: blur(4px);
}

.replay-modal.hidden {
  display: none;
}

.replay-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(1400px, 100%);
  height: min(960px, calc(100dvh - 0.5rem));
  max-height: calc(100dvh - 0.5rem);
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--replay-shell-border);
  background:
    radial-gradient(circle at top right, rgba(80, 130, 210, 0.18), transparent 34%),
    linear-gradient(180deg, var(--replay-shell-start) 0%, var(--replay-shell-end) 100%);
  box-shadow: 0 28px 70px rgba(5, 18, 22, 0.36);
}

.replay-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 1;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: rgba(9, 17, 31, 0.9);
  color: var(--accent-contrast);
  font-size: 1.35rem;
  cursor: pointer;
}

.replay-header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.15rem 0.8rem;
  background: linear-gradient(180deg, rgba(20, 35, 58, 0.98), rgba(12, 23, 40, 0.96));
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}

.replay-eyebrow {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.replay-header h3 {
  margin: 0.15rem 0 0;
  font-size: 1.2rem;
}

.replay-badge {
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.8rem;
  font-weight: 800;
}

.replay-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 0;
  flex: 1 1 auto;
  min-height: 0;
  align-items: start;
}

.replay-map {
  min-height: 0;
  height: 100%;
  background: #17304d;
  align-self: start;
}

.lesson-replay-layout {
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.lesson-replay-map-stage {
  position: relative;
  min-height: 0;
}

.lesson-replay-layout .replay-map {
  min-height: 520px;
  height: calc(100% - 52px);
  border-radius: 18px;
  overflow: hidden;
}

.lesson-replay-side {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.75rem;
  padding: 0;
  border-left: 0;
  background: transparent;
  height: auto;
  overflow: visible;
}

.lesson-replay-side .replay-meta {
  grid-column: 1 / -1;
}

.replay-side {
  display: grid;
  align-content: start;
  gap: 0.7rem;
  padding: 1rem;
  border-left: 1px solid var(--border);
  background:
    linear-gradient(180deg, var(--replay-side-start), var(--replay-side-end));
  min-height: 0;
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  align-self: start;
}

.replay-turn-card,
.replay-chart-card,
.replay-pedal-card,
.replay-force-card {
  padding: 0.8rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--field-bg);
}

.replay-turn-card {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
}

.replay-turn-icon {
  position: relative;
  width: 72px;
  height: 72px;
}

.replay-turn-circle {
  position: absolute;
  inset: 8px;
  border: 6px solid var(--accent);
  border-right-color: transparent;
  border-radius: 50%;
}

.replay-turn-arrow {
  position: absolute;
  right: 6px;
  top: 10px;
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--accent);
}

.replay-turn-number {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--button-bg);
  color: var(--accent-contrast);
  font-size: 1rem;
  font-weight: 800;
}

.replay-turn-label {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text);
}

.replay-stat-card {
  padding: 0.8rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--field-bg);
}

.speed-sign {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  padding: 8px;
  background: #cf2323;
  box-shadow: 0 12px 26px rgba(8, 15, 28, 0.28);
}

.speed-sign-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #fffdfd;
  color: #111827;
  display: grid;
  align-content: center;
  justify-items: center;
  border: 2px solid rgba(255, 255, 255, 0.96);
}

.speed-sign-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.speed-sign-value {
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1;
  margin-top: 0.2rem;
}

.speed-signs-stack {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 500;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.speed-sign-floating {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 500;
  pointer-events: none;
}

.speed-sign-current-sign {
  width: 72px;
  height: 72px;
  background: #1d4ed8;
}

.lesson-replay-arrow {
  width: 40px;
  height: 40px;
  transform-origin: center center;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.lesson-replay-follow-btn {
  position: absolute;
  bottom: 54px;
  left: 12px;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px 6px 8px;
  border: none;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.82);
  color: #cbd5e1;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: background 0.15s, color 0.15s;
}

.lesson-replay-follow-btn.active {
  background: #f97316;
  color: #fff;
}

.lesson-replay-scrubber-wrap {
  padding: 0 2px 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lesson-replay-scrubber {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--progress-track, #e3ece8);
  outline: none;
  cursor: pointer;
}

.lesson-replay-scrubber::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent, #10b981);
  border: 2px solid white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  cursor: pointer;
}

.lesson-replay-scrubber::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent, #10b981);
  border: 2px solid white;
  cursor: pointer;
}

.lesson-replay-scrubber-time {
  font-size: 0.72rem;
  color: var(--muted);
  text-align: right;
}

.speed-sign--no-limit {
  background: white;
  border: 5px solid black;
}

.speed-sign--no-limit .speed-sign-inner {
  display: none;
}

.speed-sign-no-limit {
  width: 100%;
  height: 100%;
  display: block;
}

.replay-pedals {
  margin-top: 0.35rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.replay-pedal-wrap {
  display: grid;
  gap: 0.25rem;
  justify-items: center;
}

.replay-pedal-name {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #5d7169;
}

.replay-pedal-track {
  position: relative;
  width: 58px;
  height: 132px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #b7c7c1;
  background:
    radial-gradient(circle at 50% 8%, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, #223238, #17272c);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), inset 0 -8px 14px rgba(0, 0, 0, 0.32);
  perspective: 360px;
}

.replay-pedal-fill {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
  opacity: 0;
  transform-origin: bottom center;
  transform: scaleY(0);
  transition: opacity 80ms linear, transform 80ms linear;
}

.replay-pedal-fill-brake {
  background: linear-gradient(180deg, #ef4444, #b42318);
}

.replay-pedal-fill-accel {
  background:
    radial-gradient(circle at 50% 22%, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0)),
    linear-gradient(180deg, #5ef08a 0%, #22c55e 40%, #0d7c66 100%);
}

.replay-pedal-track-accel {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    inset 0 -8px 14px rgba(0, 0, 0, 0.32),
    0 0 0 rgba(34, 197, 94, 0);
}

.replay-pedal-body {
  position: absolute;
  left: 50%;
  bottom: 10px;
  width: 32px;
  height: 86px;
  border-radius: 10px;
  transform-origin: center bottom;
  transform: translateX(-50%) translateY(0px) rotateX(0deg);
  transition: transform 80ms linear, box-shadow 80ms linear;
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.28),
    inset 0 -4px 8px rgba(0, 0, 0, 0.2),
    0 3px 5px rgba(0, 0, 0, 0.24);
}

.replay-pedal-body-brake {
  background:
    repeating-linear-gradient(
      180deg,
      #ffd7d7 0,
      #ffd7d7 6px,
      #f9b5b5 6px,
      #f9b5b5 12px
    );
  border: 1px solid #d77c7c;
}

.replay-pedal-body-accel {
  background:
    repeating-linear-gradient(
      180deg,
      #dbfae8 0,
      #dbfae8 6px,
      #aae9c8 6px,
      #aae9c8 12px
    );
  border: 1px solid #70c59a;
}

.replay-label {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #5a6f67;
}

.replay-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: #15242a;
}

.replay-speed-select {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--field-bg);
  color: var(--field-text);
  font: inherit;
  font-weight: 700;
}

.replay-accent {
  color: var(--accent);
}

.replay-brake {
  color: #b42318;
}

.replay-meta {
  padding: 0.85rem 0.9rem;
  border-radius: 14px;
  background: var(--button-bg);
  color: #d5e5e0;
  font-size: 0.84rem;
  line-height: 1.5;
}

.replay-chart {
  display: block;
  width: 100%;
  height: 110px;
  margin-top: 0.35rem;
  border-radius: 10px;
  background: linear-gradient(180deg, var(--panel-soft) 0%, var(--card-grad-end) 100%);
}

.replay-force-grid {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0.35rem auto 0.5rem;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background:
    linear-gradient(180deg, var(--panel-soft) 0%, var(--card-grad-end) 100%);
  overflow: hidden;
}

.replay-force-cross {
  position: absolute;
  background: var(--border-strong);
}

.replay-force-cross-v {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.replay-force-cross-h {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.replay-force-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 35% 35%, #fef3c7, #f97316 70%, #b45309 100%);
  border: 2px solid #0f172a;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 90ms linear;
}

.replay-force-text {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
}

.replay-action {
  margin-top: 0.55rem;
  border: 0;
  border-radius: 9px;
  background: var(--button-bg);
  color: var(--accent-contrast);
  padding: 0.58rem 0.75rem;
  font-size: 0.83rem;
  font-weight: 700;
  cursor: pointer;
}

.replay-action:hover {
  background: var(--button-hover);
}

.share-action {
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  background: var(--field-bg);
  color: var(--text);
  padding: 0.58rem 0.75rem;
  font-size: 0.83rem;
  font-weight: 700;
  cursor: pointer;
}

.share-action:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.app.shared-view {
  grid-template-columns: 1fr;
}

.app.shared-view .panel {
  display: none;
}

.app.shared-view .content-shell {
  padding-left: 1rem;
}

.loading-card {
  width: min(480px, calc(100% - 2rem));
  background: var(--panel);
  border-radius: 14px;
  padding: 1rem;
  border: 1px solid var(--border);
  box-shadow: 0 16px 40px rgba(8, 24, 27, 0.28);
}

.loading-card h3 {
  margin: 0 0 0.35rem;
}

#loadingText {
  margin: 0 0 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.progress-track {
  height: 12px;
  border-radius: 999px;
  background: var(--progress-track);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--progress-fill-start), var(--progress-fill-end));
  transition: width 0.2s ease;
}

.loading-percent {
  margin: 0.45rem 0 0;
  text-align: right;
  font-size: 0.84rem;
  color: #41535a;
  font-weight: 700;
}

.loading-eta {
  margin: 0.22rem 0 0;
  text-align: right;
  font-size: 0.8rem;
  color: #60737a;
  font-weight: 600;
}

.start-card {
  width: min(520px, calc(100% - 2rem));
  background: var(--panel);
  border-radius: 16px;
  padding: 1.25rem;
  border: 1px solid var(--border);
  box-shadow: 0 18px 45px rgba(8, 24, 27, 0.25);
}

.start-card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.45rem;
}

.start-card p {
  margin: 0 0 0.95rem;
  color: var(--muted);
}

.modal-upload {
  font-size: 1rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.upload-meta-grid {
  margin-top: 0.9rem;
}

.rating-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
}

.rating-row input[type="range"] {
  width: 100%;
}

.rating-row strong {
  min-width: 1.5rem;
  text-align: right;
}

.modal-cancel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--field-bg);
  color: var(--text);
  min-height: 42px;
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.modal-upload {
  margin-top: 0;
  min-height: 42px;
  padding: 0.65rem 1rem;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.modal-cancel:hover {
  background: var(--accordion-button-hover);
  border-color: var(--accent);
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: 100dvh;
  }

  .app.ride-lesson-open {
    grid-template-rows: 0 1fr;
  }

  .panel {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    min-height: 0;
    padding: 0.85rem 0.85rem 0.9rem;
  }

  .content-shell {
    padding: 0.65rem;
    overflow: auto;
  }

  .planner-list-head {
    display: grid;
  }

  .side-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem;
    margin: 0.75rem 0 0.9rem;
  }

  .side-nav-link {
    padding: 0.72rem 0.6rem;
    text-align: center;
    font-size: 0.92rem;
  }

  .topbar {
    align-items: start;
  }

  .user-panel {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .sidebar-tab {
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .app.sidebar-collapsed .sidebar-tab,
  .app.ride-lesson-open .sidebar-tab {
    right: 10px;
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .app.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .app.sidebar-collapsed .panel {
    padding: 0.85rem 0.85rem 0.9rem;
    border-bottom: 1px solid var(--border);
  }

  .app.ride-lesson-open .panel {
    padding: 0;
    border-bottom: 0;
  }

  .app.sidebar-collapsed .panel > :not(.sidebar-tab) {
    display: revert;
  }

  .app.ride-lesson-open .panel > :not(.sidebar-tab) {
    display: none;
  }

  .content-view {
    height: auto;
    min-height: 100%;
  }

  .placeholder-screen {
    min-height: 300px;
    border-radius: 18px;
  }

  .home-widgets {
    grid-template-columns: 1fr;
  }

  #rideView {
    height: 100%;
    min-height: min(56dvh, 620px);
  }

  .ride-lesson-layout {
    grid-template-rows: auto minmax(280px, 42dvh) auto;
  }

  .ride-lesson-toolbar {
    grid-template-columns: 1fr;
  }

  .ride-lesson-actions {
    grid-template-columns: 1fr;
  }

  .map-wrap {
    min-height: 280px;
    height: min(42dvh, 420px);
    border-radius: 18px;
  }

  .replay-shell {
    height: calc(100dvh - 0.7rem);
    max-height: calc(100dvh - 0.7rem);
    border-radius: 16px;
  }

  .replay-header {
    padding: 0.9rem 0.95rem 0.75rem;
  }

  .replay-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(260px, 38dvh) minmax(0, 1fr);
    min-height: 0;
  }

  .lesson-replay-layout {
    grid-template-rows: auto auto;
  }

  .replay-map {
    min-height: 0;
    height: 100%;
  }

  .lesson-replay-layout .replay-map {
    min-height: 320px;
    height: min(42dvh, 420px);
  }

  .replay-side {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding: 0.85rem;
    height: 100%;
    overflow-y: auto;
  }
}

@media (max-width: 640px) {
  .panel {
    padding: 0.75rem 0.75rem 0.85rem;
  }

  .topbar {
    display: grid;
    gap: 0.5rem;
    padding-right: 2.8rem;
  }

  .topbar h1 {
    font-size: 1.08rem;
    margin: 0;
  }

  .user-panel {
    justify-content: start;
    gap: 0.45rem;
  }

  .side-nav {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--panel);
    padding-top: 0.15rem;
  }

  .side-nav-link {
    border-radius: 12px;
    font-size: 0.86rem;
    padding: 0.68rem 0.45rem;
  }

  .lesson-card,
  .legend,
  .filter-accordion,
  .detail-card,
  .screen-card,
  .planner-item,
  .planner-empty {
    border-radius: 14px;
  }

  .lesson-chip-wrap {
    max-width: 100%;
  }

  .lesson-chip {
    min-width: 0;
  }

  .planner-form {
    gap: 0.7rem;
  }

  .planner-submit,
  .settings-action,
  .file-label,
  .share-action,
  .replay-action {
    width: 100%;
    text-align: center;
  }

  .ride-back-button {
    width: 100%;
  }

  .inline-loading-card {
    padding: 0.8rem 0.85rem;
  }

  .planner-item-head {
    display: grid;
  }

  .replay-modal {
    padding: 0.3rem;
  }

  .replay-shell {
    height: calc(100dvh - 0.35rem);
    max-height: calc(100dvh - 0.35rem);
    border-radius: 14px;
  }

  .replay-close {
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    font-size: 1.15rem;
  }

  .replay-header {
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.8rem 0.85rem 0.65rem;
    padding-right: 3.3rem;
  }

  .replay-header h3 {
    font-size: 1rem;
  }

  .replay-badge {
    font-size: 0.74rem;
    padding: 0.32rem 0.55rem;
  }

  .replay-map {
    min-height: 0;
    height: 100%;
  }

  .replay-side {
    gap: 0.55rem;
    padding: 0.72rem;
  }

  .lesson-replay-side {
    grid-template-columns: 1fr 1fr;
    padding: 0;
    border-top: 0;
  }

  .speed-sign {
    width: 82px;
    height: 82px;
  }

  .speed-sign-floating,
  .speed-signs-stack {
    top: 12px;
    right: 12px;
  }

  .replay-turn-card,
  .replay-chart-card,
  .replay-pedal-card,
  .replay-stat-card,
  .replay-meta {
    padding: 0.7rem;
  }

  .replay-value {
    font-size: 1.02rem;
  }

  .replay-turn-icon {
    width: 60px;
    height: 60px;
  }

  .replay-turn-circle {
    inset: 7px;
    border-width: 5px;
  }

  .replay-turn-number {
    width: 30px;
    height: 30px;
    font-size: 0.92rem;
  }

  .replay-turn-arrow {
    right: 4px;
    top: 8px;
    font-size: 1.3rem;
  }

  .replay-chart {
    height: 96px;
  }
}

@media (max-height: 760px) {
  .replay-shell {
    height: calc(100dvh - 0.45rem);
    max-height: calc(100dvh - 0.45rem);
  }
}

@media (max-width: 900px) and (max-height: 760px) {
  .replay-layout {
    grid-template-rows: minmax(210px, 30dvh) minmax(0, 1fr);
  }
}

@media (max-width: 900px) and (max-height: 620px) {
  .replay-layout {
    grid-template-rows: minmax(180px, 26dvh) minmax(0, 1fr);
  }

  .replay-side {
    gap: 0.5rem;
  }

  .replay-chart {
    height: 82px;
  }
}