:root {
  --bg-0: #070708;
  --bg-1: #12090c;
  --bg-2: #1a0c10;
  --red: #E30613;
  --red-deep: #8B0000;
  --red-soft: rgba(227, 6, 19, 0.22);
  --text: #f4ecee;
  --muted: #a8989c;
  --line: rgba(255, 255, 255, 0.08);
  --glass: rgba(24, 10, 14, 0.72);
  --glass-border: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --font: "Manrope", sans-serif;
  --display: "Bebas Neue", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
[x-cloak] { display: none !important; }

body.app-body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(227, 6, 19, 0.28), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(139, 0, 0, 0.35), transparent 50%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0) 45%, #050506);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

.main {
  width: min(1280px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
  min-height: calc(100vh - 140px);
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 5, 6, 0.75);
  backdrop-filter: blur(14px);
}

.site-header__inner,
.site-footer__inner {
  width: min(1280px, calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand__mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--red), #6d0008);
  font-family: var(--display);
  letter-spacing: 0.04em;
  font-size: 1rem;
}

.brand__text {
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  letter-spacing: 0.06em;
  line-height: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}
.nav-link:hover { color: var(--text); }

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
  font-weight: 600;
  font-size: 0.9rem;
}
.user-chip:hover { border-color: rgba(227, 6, 19, 0.55); }

.user-chip__icon {
  display: grid;
  place-items: center;
  color: var(--red);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  padding: 1rem 0 1.5rem;
}

.page-heading h1,
.auth-card h1,
.panel-card h2 {
  font-family: var(--display);
  letter-spacing: 0.04em;
  margin: 0 0 0.35rem;
  font-weight: 400;
}

.page-heading h1 { font-size: clamp(2rem, 4vw, 3rem); }
.muted { color: var(--muted); margin: 0; }

.alert {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}
.alert-success {
  background: rgba(34, 140, 78, 0.18);
  border-color: rgba(34, 140, 78, 0.35);
}
.alert-error {
  background: rgba(227, 6, 19, 0.16);
  border-color: rgba(227, 6, 19, 0.35);
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(145deg, var(--red), #9d0610);
  color: white;
}
.btn-ghost {
  background: transparent;
  border-color: var(--glass-border);
  color: var(--text);
}
.btn-danger {
  background: rgba(227, 6, 19, 0.15);
  border-color: rgba(227, 6, 19, 0.4);
  color: #ffb4b8;
}
.btn-sm { padding: 0.4rem 0.7rem; font-size: 0.85rem; }
.btn-block { width: 100%; }
.inline-form { display: inline; margin: 0; }

.stack-form {
  display: grid;
  gap: 0.85rem;
}
.stack-form label {
  display: grid;
  gap: 0.35rem;
}
.stack-form label span,
.form-row label span {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}
.stack-form input,
.stack-form select,
.form-row input,
.form-row select,
.inline-edit-row input,
.inline-edit-row select {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.35);
  padding: 0.7rem 0.85rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.form-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.form-actions { display: flex; align-items: end; }

.auth-page {
  min-height: calc(100vh - 160px);
  display: grid;
  place-items: center;
}
.auth-card {
  width: min(420px, 100%);
  padding: 2rem 1.5rem;
}
.auth-card__brand {
  font-family: var(--display);
  letter-spacing: 0.08em;
  color: var(--red);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.panel-card { padding: 1.25rem; }
.mt-lg { margin-top: 1.25rem; }
.mt-md { margin-top: 0.85rem; }

.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.data-table th,
.data-table td {
  text-align: left;
  padding: 0.7rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.data-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
.actions-cell {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: flex-start;
}
.edit-details summary { list-style: none; cursor: pointer; }
.edit-details summary::-webkit-details-marker { display: none; }
.edit-form {
  margin-top: 0.6rem;
  min-width: 240px;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
}
.inline-edit-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 0.6fr auto auto;
  gap: 0.4rem;
  margin-bottom: 0.45rem;
  align-items: center;
}
.hours-list { max-height: 320px; overflow: auto; }

.day-tabs {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  margin: 1rem 0;
  padding-bottom: 0.25rem;
}
.day-tab {
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}
.day-tab.is-active {
  color: white;
  border-color: rgba(227, 6, 19, 0.6);
  background: var(--red-soft);
}

.schedule-desktop {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 22px;
  border: 1px solid var(--glass-border);
  background: rgba(12, 6, 8, 0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.05);
}
.schedule-grid {
  display: grid;
  grid-template-columns: 72px repeat(var(--cols), minmax(0, 1fr));
  gap: 0.55rem;
  min-height: 980px;
}
.schedule-corner { height: 42px; }
.schedule-day-head {
  height: 42px;
  display: grid;
  place-items: center;
  font-family: var(--display);
  letter-spacing: 0.05em;
  font-size: 1.35rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}
.schedule-times {
  position: relative;
  grid-row: 2;
  min-height: 940px;
}
.schedule-time {
  position: absolute;
  left: 0;
  transform: translateY(-50%);
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
}
.schedule-day-col {
  grid-row: 2;
  min-height: 940px;
}
.schedule-day-track {
  position: relative;
  height: 100%;
  min-height: 940px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)),
    rgba(0, 0, 0, 0.28);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(227, 6, 19, 0.08);
}
.schedule-line {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.session-block {
  position: absolute;
  left: 0.28rem;
  right: 0.28rem;
  border: 0;
  border-radius: 10px;
  padding: 0.28rem 0.4rem 0.35rem;
  text-align: left;
  cursor: pointer;
  color: white;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.14), transparent 42%),
    linear-gradient(160deg, color-mix(in srgb, var(--block-color) 92%, white 8%), color-mix(in srgb, var(--block-color) 72%, black 28%));
  box-shadow:
    0 8px 18px rgba(0, 0, 0, 0.32),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  z-index: 2;
  border-left: 3px solid color-mix(in srgb, var(--block-color) 70%, white 30%);
}
.session-block.is-gornja {
  right: calc(50% + 0.12rem);
}
.session-block.is-donja {
  left: calc(50% + 0.12rem);
}
.session-block:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.42);
  filter: brightness(1.08);
  z-index: 5;
}
.session-block__inner {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.15;
  height: 100%;
  min-height: 0;
}
.block-time {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.08rem 0.35rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.block-title {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-wrap: balance;
}
.block-sub {
  font-size: 0.64rem;
  font-weight: 700;
  opacity: 0.92;
}
.block-sep {
  display: block;
  width: 24px;
  height: 1px;
  background: rgba(255, 255, 255, 0.5);
  margin: 0.05rem 0;
}
.block-room {
  opacity: 0.88;
  font-weight: 600;
  font-size: 0.62rem;
}

/* Admin Filament-like shell */
.admin-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 1.1rem;
  align-items: start;
}
.admin-nav {
  position: sticky;
  top: 80px;
  padding: 1rem 0.85rem;
  display: grid;
  gap: 1rem;
}
.admin-nav__brand {
  display: grid;
  gap: 0.15rem;
  padding: 0.35rem 0.55rem 0.75rem;
  border-bottom: 1px solid var(--line);
}
.admin-nav__eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
}
.admin-nav__list {
  display: grid;
  gap: 0.35rem;
}
.admin-nav__item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 12px;
  padding: 0.7rem 0.75rem;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
}
.admin-nav__item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.admin-nav__item.is-active {
  color: var(--text);
  border-color: rgba(227, 6, 19, 0.45);
  background: rgba(227, 6, 19, 0.14);
}
.admin-nav__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
}
.admin-nav__item.is-active .admin-nav__dot {
  background: var(--red);
  opacity: 1;
}
.admin-nav__back {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.35rem 0.55rem;
}
.admin-nav__back:hover { color: var(--text); }
.admin-main { min-width: 0; }
.admin-module { margin-top: 0.25rem; }
.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}
.admin-stat strong {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--display);
  font-size: 2.2rem;
  letter-spacing: 0.04em;
  font-weight: 400;
}
.admin-stat__label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.color-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
}
.color-legend__item {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}
.color-legend__item strong { display: block; }
.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--swatch);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2);
  flex-shrink: 0;
}
.color-swatch--sm {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: 0.35rem;
  vertical-align: middle;
}
.color-field .color-input {
  width: 3.25rem;
  height: 2.5rem;
  padding: 0.2rem;
  cursor: pointer;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.35);
}
.color-input::-webkit-color-swatch-wrapper { padding: 0; }
.color-input::-webkit-color-swatch {
  border: 0;
  border-radius: 6px;
}
.color-input::-moz-color-swatch {
  border: 0;
  border-radius: 6px;
}

/* Trainer panel */
.panel-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.35rem 1.4rem;
  margin-bottom: 1.25rem;
  border-left: 4px solid color-mix(in srgb, var(--swatch, var(--red)) 80%, white 20%);
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--swatch, var(--red)) 18%, transparent), transparent 55%),
    var(--glass);
}
.panel-hero__identity {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}
.panel-hero__swatch {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--swatch);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.22),
    0 10px 24px color-mix(in srgb, var(--swatch) 35%, transparent);
  flex-shrink: 0;
}
.panel-hero__eyebrow {
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 700;
}
.panel-hero h1 {
  font-family: var(--display);
  letter-spacing: 0.04em;
  margin: 0 0 0.25rem;
  font-weight: 400;
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  line-height: 1;
}
.panel-hero__stats {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.panel-hero__stat {
  text-align: right;
  padding: 0.55rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.22);
}
.panel-hero__stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.panel-hero__stat strong {
  font-family: var(--display);
  font-size: 1.9rem;
  letter-spacing: 0.04em;
  font-weight: 400;
  line-height: 1.1;
}
.panel-card__hint {
  margin: 0 0 1rem;
  font-size: 0.88rem;
}
.panel-card--accent {
  border-top: 3px solid color-mix(in srgb, var(--red) 70%, white 30%);
}
.panel-sessions__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}
.panel-sessions__head h2 { margin-bottom: 0.2rem; }
.panel-sessions__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--swatch);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
  margin-top: 0.45rem;
}

@media (max-width: 980px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }
  .admin-nav {
    position: static;
  }
  .admin-nav__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .admin-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.mobile-day h2 {
  font-family: var(--display);
  letter-spacing: 0.05em;
  font-size: 1.8rem;
  margin: 0.5rem 0 0.85rem;
}
.mobile-timeline {
  display: grid;
  gap: 0.65rem;
}
.mobile-session {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 0.75rem;
  padding: 0.9rem;
  text-align: left;
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--block-color);
  cursor: pointer;
  transition: transform 0.18s ease;
}
.mobile-session:hover { transform: translateY(-2px); }
.mobile-session__time {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 700;
}
.mobile-session__body {
  display: grid;
  gap: 0.2rem;
}
.mobile-session__body strong { font-size: 0.98rem; }
.mobile-session__body span { color: var(--muted); font-size: 0.85rem; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  padding: 1rem;
}
.modal.modal--open {
  display: grid;
}
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
}
.modal__panel {
  position: relative;
  width: min(440px, 100%);
  padding: 1.4rem 1.25rem 1.25rem;
  overflow: hidden;
}
.modal__accent {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
}
.modal__close {
  position: absolute;
  top: 0.55rem;
  right: 0.7rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
}
.modal__title {
  font-family: var(--display);
  letter-spacing: 0.04em;
  font-size: 2rem;
  margin: 0.4rem 0 1rem;
}
.modal__meta {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}
.modal__meta div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.5rem;
}
.modal__meta dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}
.modal__meta dd { margin: 0; font-weight: 700; }

.desktop-only { display: block; }
.mobile-only { display: none; }

@media (max-width: 980px) {
  .panel-grid,
  .form-grid-3 { grid-template-columns: 1fr; }
  .inline-edit-row { grid-template-columns: 1fr 1fr; }
  .desktop-only { display: none; }
  .mobile-only { display: block; }
  .day-tabs.mobile-only { display: flex; }
}

@media (max-width: 640px) {
  .brand__text { font-size: 1.45rem; }
  .header-actions .nav-link { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .panel-hero {
    flex-direction: column;
    align-items: stretch;
  }
  .panel-hero__stats {
    justify-content: space-between;
  }
  .panel-hero__stat { text-align: left; }
}