:root {
  --bg: #0d0d0d;
  --bg-soft: #111111;
  --surface: rgba(22, 22, 22, 0.92);
  --surface-strong: rgba(28, 28, 28, 0.98);
  --ink: #f0f0f0;
  --muted: #888888;
  --line: rgba(255, 255, 255, 0.07);
  --accent: #3ddc68;
  --accent-strong: #27b74e;
  --accent-soft: rgba(61, 220, 104, 0.12);
  --grey-dark: #1a1a1a;
  --grey-mid: #242424;
  --grey-light: #2e2e2e;
  --shadow: 0 22px 55px rgba(0, 0, 0, 0.55);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shell-width: 1360px;
  --font-display: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.background-shape {
  position: fixed;
  z-index: 0;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.35;
}

.background-shape-left {
  top: 0;
  left: -10rem;
  width: 28rem;
  height: 28rem;
  background: rgba(61, 220, 104, 0.18);
}

.background-shape-right {
  bottom: 0;
  right: -8rem;
  width: 24rem;
  height: 24rem;
  background: rgba(61, 220, 104, 0.08);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2rem), var(--shell-width));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 420px);
  gap: 1.5rem;
  padding: 2rem 0 1.25rem;
}

.hero-copy,
.hero-panel,
.sidebar,
.card,
.panel {
  backdrop-filter: blur(20px);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 2.25rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto 2rem 2rem auto;
  width: 8rem;
  height: 8rem;
  border-radius: 28px;
  border: 1px solid rgba(61, 220, 104, 0.15);
  transform: rotate(16deg);
}

.hero-panel {
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.73rem;
  color: var(--accent);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 14ch;
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 0.96;
  color: #ffffff;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
  color: #ffffff;
}

h3 {
  font-size: 1.05rem;
  color: #ffffff;
}

.hero-text,
.muted,
.feedback,
.week-card-meta,
.week-card-load,
.week-card-main,
.session-main {
  color: var(--muted);
}

.hero-text {
  max-width: 56ch;
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

button,
select,
input {
  font: inherit;
}

.primary-button,
.ghost-button,
.athlete-item {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-button,
.ghost-button {
  padding: 0.82rem 1.2rem;
  font-weight: 700;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #0d0d0d;
  box-shadow: 0 10px 28px rgba(61, 220, 104, 0.28);
}

.ghost-button {
  background: var(--grey-mid);
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.primary-button:hover {
  box-shadow: 0 14px 36px rgba(61, 220, 104, 0.38);
  transform: translateY(-1px);
}

.ghost-button:hover,
.athlete-item:hover {
  transform: translateY(-1px);
}

.panel-label,
.card-topline {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  font-weight: 700;
}

.field select,
.field input {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: var(--grey-mid);
  color: var(--ink);
  outline: none;
}

.field select:focus,
.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61, 220, 104, 0.12);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.status-pill {
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: var(--grey-mid);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.status-title {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.status-value {
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
}

.feedback {
  margin: 0;
  min-height: 1.4rem;
  font-size: 0.95rem;
}

.layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1.5rem;
  padding-bottom: 2.5rem;
}

.sidebar {
  padding: 1.25rem;
  border-radius: var(--radius-xl);
  align-self: start;
  position: sticky;
  top: 1rem;
}

.athlete-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.athlete-item {
  display: grid;
  gap: 0.2rem;
  width: 100%;
  text-align: left;
  padding: 0.9rem 1rem;
  background: var(--grey-mid);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--ink);
}

.athlete-item.is-active {
  background: rgba(61, 220, 104, 0.1);
  border-color: rgba(61, 220, 104, 0.3);
  box-shadow: inset 0 0 0 1px rgba(61, 220, 104, 0.08);
}

.athlete-item-name {
  font-weight: 700;
}

.athlete-item-meta {
  font-size: 0.9rem;
  color: var(--muted);
}

.content {
  display: grid;
  gap: 1.5rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.card {
  border-radius: var(--radius-xl);
  padding: 1.4rem;
}

.athlete-card,
.day-card,
.max-card,
.panel {
  position: relative;
  overflow: hidden;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}

.detail-row:last-of-type {
  border-bottom: 0;
}

.detail-label {
  color: var(--muted);
}

.detail-value {
  font-weight: 700;
  text-align: right;
  color: #fff;
}

.session-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
}

.session-main {
  margin: 0.85rem 0 0.8rem;
  font-size: 1rem;
}

.maxes-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 0.85rem;
}

.max-chip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 1rem;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: var(--grey-mid);
  border: 1px solid rgba(61, 220, 104, 0.12);
}

.max-chip-name {
  font-weight: 700;
  color: #fff;
}

.max-chip-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.max-chip-date {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.86rem;
}

.panel {
  padding: 1.4rem;
  border-radius: var(--radius-xl);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.8rem;
}

.compact-button {
  padding: 0.68rem 1rem;
}

.compact-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.log-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: right;
}

.table-wrap {
  overflow-x: auto;
}

.exercise-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.exercise-table th,
.exercise-table td {
  padding: 0.95rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.exercise-table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  font-weight: 700;
}

.exercise-table td strong {
  display: block;
  margin-bottom: 0.15rem;
  color: #fff;
}

.exercise-name-cell {
  display: grid;
  gap: 0.18rem;
}

.exercise-type {
  font-size: 0.88rem;
  color: var(--muted);
  text-transform: capitalize;
}

.exercise-prescription {
  display: grid;
  gap: 0.25rem;
}

.exercise-prescription-line {
  color: var(--muted);
  font-size: 0.92rem;
}

.load-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.62rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.load-chip.is-muted {
  background: var(--grey-mid);
  color: var(--muted);
}

.history-cell {
  display: grid;
  gap: 0.3rem;
}

.history-date {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
}

.history-summary {
  color: var(--muted);
  line-height: 1.45;
}

.set-log-editor {
  display: grid;
  gap: 0.45rem;
  min-width: 240px;
}

.set-log-row {
  display: grid;
  grid-template-columns: 58px minmax(82px, 1fr) minmax(82px, 1fr);
  gap: 0.45rem;
  align-items: center;
}

.set-log-label {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.45rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.set-log-input {
  width: 100%;
  padding: 0.62rem 0.72rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: var(--grey-mid);
  color: var(--ink);
  outline: none;
}

.set-log-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61, 220, 104, 0.12);
}

.set-log-input::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.week-card {
  min-height: 220px;
  padding: 1rem;
  border-radius: 22px;
  background: var(--grey-mid);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.week-card.is-current {
  background: rgba(61, 220, 104, 0.08);
  border-color: rgba(61, 220, 104, 0.28);
  box-shadow: inset 0 0 0 1px rgba(61, 220, 104, 0.06);
}

.week-card-topline {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
}

.week-card-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin: 0.6rem 0 0.7rem;
}

.week-card-tag {
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.week-card-main {
  min-height: 2.8rem;
  margin: 0 0 0.7rem;
  font-weight: 700;
  color: var(--ink);
}

.week-card-load {
  min-height: 2.6rem;
  margin: 0 0 0.75rem;
}

.empty-state {
  padding: 1rem;
  border-radius: 18px;
  background: var(--grey-mid);
  color: var(--muted);
}

.reveal {
  animation: rise-in 420ms ease both;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .hero,
  .layout,
  .summary-grid,
  .week-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

/* ── Nav ── */

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.nav-brand {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff;
  text-decoration: none;
}

.nav-brand-accent {
  color: var(--accent);
}

.nav-cta {
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  text-decoration: none;
}

/* ── Homepage hero ── */

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 480px);
  gap: 2rem;
  padding: 3rem 0 4rem;
  align-items: center;
}

.home-hero-copy h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 0.94;
  margin-bottom: 1.25rem;
}

.visual-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.visual-card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.visual-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.25rem;
}

.visual-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.visual-stat {
  background: var(--grey-mid);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.visual-stat-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.visual-stat-value {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}

.visual-stat-value.accent {
  color: var(--accent);
}

.visual-exercise-list {
  display: grid;
  gap: 0.5rem;
}

.visual-exercise-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.visual-exercise-row:last-child {
  border-bottom: 0;
}

.accent {
  color: var(--accent);
  font-weight: 700;
}

.muted-text {
  color: var(--muted);
}

/* ── Features ── */

.features {
  padding: 4rem 0;
  border-top: 1px solid var(--line);
}

.features-heading {
  text-align: center;
  margin: 0.5rem auto 2.5rem;
  max-width: 20ch;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  backdrop-filter: blur(20px);
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.feature-text {
  color: var(--muted);
  line-height: 1.65;
  margin: 0.5rem 0 0;
}

/* ── Footer ── */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
}

.footer-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ── Login page ── */

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 80px);
  padding: 2rem 1rem;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.login-form {
  display: grid;
  gap: 1.1rem;
}

.login-submit {
  width: 100%;
  justify-content: center;
  border-radius: 16px;
  margin-top: 0.5rem;
  padding: 1rem;
  font-size: 1rem;
}

.login-error {
  margin: 0;
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: #f87171;
}

/* ── Admin page ── */

.nav-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.admin-layout {
  padding: 2rem 0 4rem;
  display: grid;
  gap: 1.5rem;
}

.admin-panel {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.add-user-form-wrap {
  background: var(--grey-mid);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.add-user-form h3 {
  margin-bottom: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
}

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.role-admin {
  background: rgba(61, 220, 104, 0.15);
  color: var(--accent);
}

.role-coach {
  background: rgba(99, 179, 237, 0.15);
  color: #63b3ed;
}

.role-athlete {
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.status-active {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
}

/* ── Responsive additions ── */

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 1rem), var(--shell-width));
  }

  .hero {
    padding-top: 1rem;
  }

  .hero-copy,
  .hero-panel,
  .card,
  .panel,
  .sidebar {
    padding: 1.1rem;
    border-radius: 20px;
  }

  .panel-head {
    align-items: start;
    flex-direction: column;
  }

  .panel-actions {
    width: 100%;
    justify-content: space-between;
  }

  .set-log-row {
    grid-template-columns: 1fr 1fr;
  }

  .set-log-label {
    grid-column: 1 / -1;
    justify-content: flex-start;
    border-radius: 12px;
  }

  .home-hero,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .home-hero {
    padding: 2rem 0 3rem;
  }

  .site-footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}