/* =========================================================
   Design tokens — modern, high-contrast: white/near-black
   body with a single bold accent, bookended by a dark header
   and footer. No paper texture, no aged borders.
   ========================================================= */

:root {
  --paper:        #FFFFFF;   /* page background */
  --paper-raised: #F4F4F5;   /* card / input surface */
  --ink:          #131315;   /* near-black text, also header/footer bg */
  --ink-soft:     #5B5B62;   /* secondary text */
  --wood:         #236907;   /* primary accent (CTAs, links, active states) */
  --wood-dark:    #133B05;   /* accent hover */
  --brass:        #F4DBAA;   /* secondary accent (small highlights) */
  --slate:        #131315;   /* default link color */
  --line:         rgba(19, 19, 21, 0.10);
  --line-soft:    rgba(19, 19, 21, 0.06);

  --header-bg:     #101012;
  --header-text:   #F5F5F6;
  --header-text-soft: rgba(245, 245, 246, 0.62);

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", monospace;

  --max-width: 1040px;
  --header-height: 68px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: var(--slate);
  text-decoration: none;
}
a:hover { color: var(--wood); }

:focus-visible {
  outline: 2px solid var(--wood);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* -------------------- Sticky header -------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--header-bg);
  transform: translateY(0);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(0,0,0,0.25); }

.site-header__inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.wordmark {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  text-decoration: none;
}
.wordmark:hover { color: var(--brass); }

.wordmark__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--header-text);
  font-size: 1.5rem;
}

.wordmark img {
  height: 50px;
  width: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--header-text-soft);
  padding-bottom: 0.3rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--header-text);
  border-bottom-color: var(--wood);
}

/* -------------------- Layout helpers -------------------- */
.site-main { 
  padding-bottom: 5rem; 
  padding-top: var(--header-height);
}

/* Use on the first section of any page that doesn't start with .hero,
   so content clears the fixed header. */
.page-top { padding-top: calc(var(--header-height) + 3rem); }

.page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}
.page-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: var(--wood);
  margin-top: 0.9rem;
  border-radius: 2px;
}

.section { margin-bottom: 3.5rem; }

.lede {
  font-size: 1.2rem;
  color: var(--ink);
  max-width: 62ch;
}

.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.1em; color: var(--ink-soft); }

/* -------------------- Hero (homepage) -------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background-image: url("/uploads/spolecna_rokytnice_2026.jpeg");
  background-size: cover;
  background-position-x: center;
  background-position-y: 20%;
  background-repeat: no-repeat;
  min-height: 70vh;
  align-content: end;
  color: var(--header-text);
  padding: calc(var(--header-height) + 3.5rem) 0 4.5rem;
  --hero-blur-solid: 180px;   /* fully blurred zone, counted up from the bottom */
  --hero-blur-feather: 350px; /* soft transition zone above that, before it's fully sharp */
}
 
@media (max-width: 700px) {
  .hero {
    min-height: 45vh;   /* floor so it's never too short before the image loads */
    height: auto;
    background-size: 100% auto;
  }
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  /*backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);*/
  background: rgba(255, 255, 255, 0.3);
  -webkit-mask-image: linear-gradient(to top, black 0, black var(--hero-blur-solid), transparent calc(var(--hero-blur-solid) + var(--hero-blur-feather)), transparent 100%);
  mask-image: linear-gradient(to top, black 0, black var(--hero-blur-solid), transparent calc(var(--hero-blur-solid) + var(--hero-blur-feather)), transparent 100%);
}
.hero .wrap {
  position: relative;
  z-index: 1;
}
.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 1rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 1.25rem;
  max-width: 18ch;
  color: var(--header-bg);
  text-shadow: 0 0 4 var(--header-text-soft);
}
.hero p {
  font-size: 1.15rem;
  color: var(--header-text);
  max-width: 52ch;
  margin: 0 0 2rem;
}

/* -------------------- About photo gallery -------------------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.gallery figure { margin: 0; }
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}
.gallery figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: 0.6rem;
}

/* -------------------- Members grid -------------------- */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2rem 1.5rem;
  margin-top: 2rem;
}

.member-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--paper-raised);
  border-radius: 6px;
  margin-bottom: 0.85rem;
}
.member-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0;
}
.member-instrument {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wood);
  margin: 0.25rem 0 0.6rem;
}
.member-bio {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin: 0;
}

/* -------------------- Calendar / programme list -------------------- */
.programme-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.programme-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.4rem 1rem;
  margin: 0 -1rem;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
}
.programme-item:hover { background: var(--paper-raised); }
.programme-item:hover .programme-title { color: var(--wood); }
.programme-list li + li .programme-item { border-top: 1px solid var(--line); border-radius: 0; }
.programme-list li:hover + li .programme-item,
.programme-item:hover { border-color: transparent; }

.programme-date {
  font-family: var(--font-mono);
  text-align: center;
}
.programme-date .day {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  font-family: var(--font-display);
}
.programme-date .month {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.35rem;
}

.programme-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 0 0.3rem;
  transition: color 0.2s ease;
}
.programme-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0;
}

.empty-state {
  padding: 2.5rem 0;
  color: var(--ink-soft);
}

/* -------------------- Event detail -------------------- */
.event-header { margin-bottom: 2rem; }
.event-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 3rem;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--ink-soft);
  margin-top: 0.75rem;
}
.event-meta-row strong { color: var(--ink); font-weight: 600; }

.programme-block {
  background: var(--paper-raised);
  border-radius: 8px;
  padding: 1.75rem;
  margin-top: 1rem;
  white-space: pre-line;
}
.programme-block h3 {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wood);
  margin: 0 0 0.75rem;
}

.back-link {
  display: inline-block;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* -------------------- Footer -------------------- */
.site-footer {
  background: var(--header-bg);
  color: var(--header-text-soft);
  padding: 2.5rem 0;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}
.site-footer a { color: var(--header-text-soft); }
.site-footer a:hover { color: var(--brass); }

.footer-links {
  display: flex;
  gap: 16px;
}

/* -------------------- Forms (admin) -------------------- */
.form-field { margin-bottom: 1.4rem; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}
.form-field input[type="text"],
.form-field input[type="password"],
.form-field input[type="datetime-local"],
.form-field input[type="file"],
.form-field input[type="number"],
.form-field textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-raised);
  color: var(--ink);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus, .form-field textarea:focus {
  outline: 2px solid var(--wood);
  outline-offset: 1px;
  border-color: var(--wood);
}
.form-hint { font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.3rem; }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.7rem 1.4rem;
  background: var(--wood);
  color: #fff;
  border: 1px solid var(--wood);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease;
}
.btn:hover { background: var(--wood-dark); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { background: var(--paper-raised); color: var(--wood); border-color: var(--wood); }
.btn--danger { background: var(--wood-dark); border-color: var(--wood-dark); }
.btn--on-dark { color: var(--header-text); border-color: var(--header-text); background: rgba(255, 255, 255, 0.3); }
.btn--on-dark:hover { background: var(--header-text); color: var(--ink); }

/* -------------------- Admin bar / table -------------------- */
.admin-bar { background: var(--ink); color: var(--paper); }
.admin-bar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.admin-bar a { color: var(--paper); opacity: 0.85; }
.admin-bar a:hover { opacity: 1; color: var(--brass); }

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.admin-table th, .admin-table td {
  text-align: left;
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.admin-table th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.admin-table .row-actions { white-space: nowrap; font-family: var(--font-mono); font-size: 0.82rem; }
.admin-table .row-actions form { display: inline; }

.flash {
  padding: 0.9rem 1.1rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
}
.flash--success { border-color: var(--brass); background: #FBF6E3; }
.flash--error { border-color: var(--wood); background: #FBE7EA; color: var(--wood-dark); }

.login-card {
  max-width: 380px;
  margin: 3rem auto;
  padding: 2.5rem;
  background: var(--paper-raised);
  border-radius: 10px;
}
.login-card .wordmark { display: block; text-align: center; margin-bottom: 0.5rem; color: var(--ink); }

@media (max-width: 640px) {
  .site-header__inner { flex-wrap: wrap; height: auto; padding: 0.85rem 1.5rem; }
  .site-header { height: auto; }
  .page-top { padding-top: 8.5rem; }
  .hero { padding-top: 8.5rem; }
  .programme-item { grid-template-columns: 64px 1fr; gap: 1rem; }
  .admin-toolbar { flex-direction: column; align-items: flex-start; }
}


/* -------------------- Detail koncertu -------------------- */
.event-photo {
  width: 50%;
  max-height: 460px;
  object-fit: cover;
  border-radius: 8px;
  margin: 0 0 1.75rem;
}
.event-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 2rem;
}
.block-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wood);
  margin: 0 0 0.75rem;
}
.hosts-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hosts-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
}
.hosts-list li:last-child { border-bottom: 0; }

.sponsors-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.25rem;
}
.sponsors-row img {
  display: block;
  height: 56px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}
.sponsors-row a:hover img { opacity: 1; }

/* -------------------- Hlavní koncerty na úvodní stránce -------------------- */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (max-width: 600px) {
  .featured-grid { grid-template-columns: 1fr; }
}
.featured-card {
  display: block;
  max-width: 100%;
  background: var(--paper-raised);
  border-radius: 10px;
  overflow: hidden;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.featured-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
  color: inherit;
}
.featured-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.featured-card__body { padding: 1.1rem 1.25rem 1.3rem; }
.featured-card__date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--wood);
  margin: 0 0 0.4rem;
}
.featured-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 0.3rem;
}
.featured-card__place {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0;
}

/* -------------------- Administrace -------------------- */
.badge-main {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--wood);
  color: #fff;
  border-radius: 4px;
  vertical-align: middle;
}
.admin-subtitle {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 2.5rem 0 0.75rem;
}
.admin-thumb {
  width: 160px;
  height: auto;
  border-radius: 6px;
  margin-bottom: 0.6rem;
}
.form-check label,
.form-check-inline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  cursor: pointer;
}
.form-check-inline { margin: 0.4rem 0 0.8rem; font-size: 0.88rem; }
.form-check input[type="checkbox"],
.form-check-inline input[type="checkbox"] { width: auto; }

.sponsor-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--paper-raised);
  border-radius: 8px;
}
.sponsor-row__logo {
  width: 90px;
  height: 56px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
  flex-shrink: 0;
}
.sponsor-row__fields {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sponsor-row__fields input[type="text"] {
  width: 100%;
  padding: 0.55rem 0.7rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}