:root {
  --bg-primary:   #0F1925;
  --bg-secondary: #141E2A;
  --bg-panel:     #1A2533;
  --border-panel: #2A3948;

  --text-primary:   #E6EEF5;
  --text-secondary: #A0B0C0;
  --text-muted:     #6B7A8A;

  --accent-cyan:    #4DB8E8;
  --accent-magenta: #E06BA0;
  --accent-green:   #4FCE6E;
  --accent-warning: #F5B547;
  --accent-danger:  #E85A5A;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-xxl: 64px;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
               Ubuntu, Cantarell, sans-serif;
  --font-mono: "SF Mono", Monaco, Consolas, "Courier New", monospace;

  --header-height: 72px;
  --content-max: 1100px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
}

a { color: var(--accent-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-height);
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 25, 37, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-panel);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-primary);
  text-decoration: none;
}
.site-header__brand:hover { text-decoration: none; }

.site-header__logo {
  height: 52px;
  width: auto;
  display: block;
}

.site-header__wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  letter-spacing: 0.08em;
}

.site-header__wordmark-main {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.site-header__wordmark-sub {
  margin-top: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.22em;
}

.site-header__nav { display: flex; align-items: center; gap: var(--space-md); }

.site-header__login {
  padding: 8px 18px;
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color 150ms, color 150ms, background 150ms;
}
.site-header__login:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  text-decoration: none;
  background: rgba(77, 184, 232, 0.08);
}

/* ---------- Main ---------- */

.site-main {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-lg) var(--space-xl);
}

/* ---------- Artist Hero ---------- */

.artist-hero { margin-bottom: var(--space-xl); }

.artist-hero__name {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: -0.02em;
}

/* ---------- Artist Bio ---------- */

.artist-bio {
  margin-bottom: var(--space-xxl);
  max-width: 640px;
}

.artist-bio__summary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  list-style: none;
  padding: 6px 0;
  user-select: none;
}
.artist-bio__summary::-webkit-details-marker { display: none; }
.artist-bio__summary::marker { display: none; }

.artist-bio__heading {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-magenta);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.artist-bio__chevron {
  display: inline-block;
  color: var(--accent-magenta);
  font-size: 0.9rem;
  transition: transform 180ms ease;
}
.artist-bio[open] .artist-bio__chevron {
  transform: rotate(90deg);
}

.artist-bio__summary:hover .artist-bio__heading,
.artist-bio__summary:hover .artist-bio__chevron {
  color: #F07FB0;
}

.artist-bio__text {
  margin: var(--space-sm) 0 0 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---------- Rooms ---------- */

.rooms { margin-bottom: var(--space-xxl); }

.rooms__heading {
  margin: 0 0 var(--space-lg) 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-green);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.rooms__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.rooms__grid--few {
  grid-template-columns: repeat(auto-fit, minmax(220px, 320px));
  justify-content: start;
}

@media (max-width: 900px) {
  .rooms__grid { grid-template-columns: repeat(2, 1fr); }
  .rooms__grid--few { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}
@media (max-width: 520px) {
  .rooms__grid,
  .rooms__grid--few { grid-template-columns: 1fr; }
}

.room-card {
  position: relative;
  display: block;
  padding: var(--space-lg);
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: transform 180ms, border-color 180ms, background 180ms;
  overflow: hidden;
}

.room-card:hover { text-decoration: none; }

.room-card__emoji {
  display: block;
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.room-card__name {
  margin: 0 0 var(--space-xs) 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.room-card__desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.room-card--aktiv { cursor: pointer; }
.room-card--aktiv:hover {
  transform: translateY(-2px);
  background: var(--bg-secondary);
}

.room-card--aktiv.room-card--musik:hover    { border-color: var(--accent-cyan); }
.room-card--aktiv.room-card--gedichte:hover { border-color: var(--accent-magenta); }
.room-card--aktiv.room-card--malerei:hover  { border-color: var(--accent-green); }
.room-card--aktiv.room-card--buecher:hover  { border-color: var(--accent-warning); }

.room-card--inaktiv { cursor: default; opacity: 0.55; }
.room-card--inaktiv .room-card__emoji { filter: grayscale(0.6); }

.room-card__badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: 3px 8px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
}

.room-card__badge--demnaechst {
  background: rgba(107, 122, 138, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--border-panel);
}

/* ---------- Footer ---------- */

.site-footer {
  width: 100%;
  padding: var(--space-lg);
  border-top: 1px solid var(--border-panel);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.site-footer__copy { margin: 0; }

.site-footer__link {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.site-footer__link:hover { color: var(--accent-cyan); }

/* ---------- Language Switcher ---------- */

.lang-switcher { display: flex; align-items: center; }

.lang-switcher__pills {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-sm);
}

.lang-pill {
  padding: 4px 8px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  font-family: inherit;
  transition: color 150ms, background 150ms;
}
.lang-pill:hover { color: var(--text-primary); }

.lang-pill--active {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}
.lang-pill--active:hover { color: var(--bg-primary); }

.lang-switcher__select {
  display: none;
  padding: 6px 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

@media (max-width: 640px) {
  .lang-switcher__pills  { display: none; }
  .lang-switcher__select { display: inline-block; }
}

/* ---------- Header Nav Links (eingeloggt) ---------- */

.site-header__navlink {
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: color 150ms, border-color 150ms, background 150ms;
}
.site-header__navlink:hover {
  color: var(--accent-cyan);
  border-color: var(--border-panel);
  background: rgba(77, 184, 232, 0.06);
  text-decoration: none;
}
.site-header__navlink--btn { border-color: var(--border-panel); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: transform 120ms, background 150ms, border-color 150ms;
  text-decoration: none;
  text-align: center;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn--primary {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border-color: var(--accent-cyan);
}
.btn--primary:hover:not(:disabled) { background: #62C8F0; border-color: #62C8F0; }

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-panel);
}
.btn--secondary:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* ---------- Auth Views (Login, Register, Reset) ---------- */

.auth-view {
  max-width: 460px;
  margin: 0 auto;
  padding: var(--space-xl) 0;
}

.auth-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.auth-card__title {
  margin: 0 0 var(--space-md) 0;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.auth-card__text {
  margin: 0 0 var(--space-md) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.auth-field__hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.auth-field__hint code {
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.auth-field input[type="text"],
.auth-field input[type="email"],
.auth-field input[type="password"] {
  padding: 12px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 150ms;
}
.auth-field input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.auth-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.5;
}
.auth-checkbox input { margin-top: 3px; }

.auth-error {
  margin: 0;
  padding: 10px 14px;
  background: rgba(232, 90, 90, 0.12);
  border: 1px solid rgba(232, 90, 90, 0.4);
  border-radius: var(--radius-sm);
  color: var(--accent-danger);
  font-size: 0.9rem;
}

.auth-links {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: 0.9rem;
}
.auth-links a { color: var(--text-secondary); }
.auth-links a:hover { color: var(--accent-cyan); }

.auth-actions {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
}

/* ---------- Admin View ---------- */

.admin-view { padding: var(--space-lg) 0; }

.admin-header { margin-bottom: var(--space-xl); }

.admin-header__title {
  margin: 0 0 var(--space-xs) 0;
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700;
  color: var(--accent-cyan);
}

.admin-header__subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.admin-notice {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
}

.admin-notice--warn {
  background: rgba(245, 181, 71, 0.1);
  border: 1px solid rgba(245, 181, 71, 0.35);
  color: var(--accent-warning);
}

.admin-notice__text { margin: 0 0 var(--space-md) 0; }

.admin-notice__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.admin-notice__actions .btn {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.admin-notice__feedback {
  margin: var(--space-md) 0 0 0;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.admin-notice__feedback.is-ok {
  background: rgba(79, 206, 110, 0.12);
  border: 1px solid rgba(79, 206, 110, 0.4);
  color: var(--accent-green);
}
.admin-notice__feedback.is-error {
  background: rgba(232, 90, 90, 0.12);
  border: 1px solid rgba(232, 90, 90, 0.4);
  color: var(--accent-danger);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

@media (max-width: 900px) { .admin-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .admin-grid { grid-template-columns: 1fr; } }

.admin-tile {
  position: relative;
  display: block;
  padding: var(--space-lg);
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: transform 180ms, border-color 180ms, background 180ms;
  overflow: hidden;
}
.admin-tile:not(.admin-tile--disabled):hover {
  transform: translateY(-2px);
  background: var(--bg-secondary);
  border-color: var(--accent-cyan);
  text-decoration: none;
}
.admin-tile--disabled { opacity: 0.55; cursor: default; }
.admin-tile--disabled .admin-tile__emoji { filter: grayscale(0.6); }

.admin-tile__emoji {
  display: block;
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.admin-tile__illus {
  display: block;
  width: 72px;
  height: 72px;
  margin-bottom: var(--space-md);
  transition: transform 220ms ease;
}
.admin-tile:hover .admin-tile__illus {
  transform: translateY(-3px) scale(1.05);
}

.admin-tile__name {
  margin: 0 0 var(--space-xs) 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.admin-tile__desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.admin-tile__badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: 3px 8px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  background: rgba(107, 122, 138, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--border-panel);
}

.admin-actions {
  margin-top: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
}

/* ---------- User Menu (Avatar Dropdown) ---------- */

.user-menu {
  position: relative;
  display: inline-flex;
}

.user-menu__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 4px 12px 4px 4px;
  background: transparent;
  border: 1px solid var(--border-panel);
  border-radius: 999px;
  color: var(--text-primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 150ms, background 150ms;
}
.user-menu__trigger:hover {
  border-color: var(--accent-cyan);
  background: rgba(77, 184, 232, 0.06);
}

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  background-size: cover;
  background-position: center;
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.user-avatar--img { background-color: transparent; }

.user-menu__name {
  font-weight: 500;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu__chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.user-menu__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
  padding: 6px;
  z-index: 20;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.user-menu__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
  width: 100%;
}
.user-menu__item:hover {
  background: var(--bg-secondary);
  text-decoration: none;
}

.user-menu__icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.user-menu__divider {
  height: 1px;
  background: var(--border-panel);
  margin: 6px 4px;
}

.user-menu__item--danger:hover { color: var(--accent-danger); }

@media (max-width: 520px) {
  .user-menu__name { display: none; }
  .user-menu__trigger { padding: 4px; }
  .user-menu__chevron { display: none; }
}

/* ---------- Admin Back Link ---------- */

.admin-backlink {
  display: inline-block;
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
}
.admin-backlink:hover { color: var(--accent-cyan); text-decoration: none; }

/* ---------- Profile Form ---------- */

.profile-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 640px;
}

.profile-form__cover {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
  flex-wrap: wrap;
}

.profile-cover-preview {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  background-size: cover;
  background-position: center;
  border: 2px solid var(--border-panel);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-cover-preview__placeholder {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.profile-cover-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-start;
}

.profile-cover-actions .btn {
  cursor: pointer;
}

.profile-cover-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.auth-field textarea {
  padding: 12px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  min-height: 120px;
  transition: border-color 150ms;
}
.auth-field textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.profile-form__actions {
  display: flex;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-panel);
}

/* ---------- Rooms Admin ---------- */

.rooms-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 760px;
}

.room-legend {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.rooms-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.room-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
}

@media (max-width: 640px) {
  .room-row {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

.room-row__head {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.room-row__emoji { font-size: 1.8rem; line-height: 1; }
.room-row__name { font-size: 1.1rem; font-weight: 600; }

.room-status {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
}

.room-status__option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: background 150ms, color 150ms;
  text-align: center;
}
.room-status__option:hover { color: var(--text-primary); }
.room-status__option input { display: none; }

.room-status__option--active {
  background: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 600;
}
.room-status__option--active:hover { color: var(--bg-primary); }

/* ---------- Admin Header Row ---------- */
.admin-header__row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

/* ---------- Admin Section (Collapsibles) ---------- */
.admin-section {
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
}
.admin-section[open] { padding-bottom: var(--space-lg); }
.admin-section__summary {
  cursor: pointer;
  padding: 6px 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-cyan);
  list-style: none;
  user-select: none;
}
.admin-section__summary::-webkit-details-marker { display: none; }
.admin-section__summary::before {
  content: "▸ ";
  display: inline-block;
  transition: transform 180ms;
}
.admin-section[open] > .admin-section__summary::before { transform: rotate(90deg); }
.admin-section--danger { border-color: rgba(232, 90, 90, 0.3); }
.admin-section--danger .admin-section__summary { color: var(--accent-danger); }

.danger-box {
  padding: var(--space-md);
  margin-top: var(--space-md);
  background: rgba(232, 90, 90, 0.08);
  border-radius: var(--radius-sm);
}
.danger-box p { margin: 0 0 var(--space-md) 0; }

.btn--danger {
  background: var(--accent-danger);
  color: #fff;
  border-color: var(--accent-danger);
}
.btn--danger:hover:not(:disabled) { background: #F06C6C; }

.form-section-title {
  margin: 0 0 var(--space-md) 0;
  font-size: 1.15rem;
  color: var(--accent-cyan);
}

/* ---------- Album Grid ---------- */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
}
.album-card {
  display: block;
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
  overflow: hidden;
  color: var(--text-primary);
  text-decoration: none;
  transition: transform 180ms, border-color 180ms;
}
.album-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-cyan);
  text-decoration: none;
}
.album-card__cover {
  aspect-ratio: 1 / 1;
  background: var(--bg-secondary);
  background-size: cover;
  background-position: center;
}
.album-card__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}
.album-card__body { padding: var(--space-md); }
.album-card__title { margin: 0 0 4px 0; font-size: 1.1rem; font-weight: 600; }
.album-card__meta { margin: 0; font-size: 0.85rem; color: var(--text-secondary); }
.profile-cover-preview--square { border-radius: var(--radius-md); }

/* ---------- Songs List ---------- */
.songs-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}
.song-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-sm);
}
.song-row__nr { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-muted); text-align: center; }
.song-row__main { min-width: 0; }
.song-row__title { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.song-row__meta { font-size: 0.8rem; color: var(--text-muted); font-family: var(--font-mono); }
.song-row__actions { display: flex; gap: 4px; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 150ms;
  font-family: inherit;
}
.btn-icon:hover { color: var(--accent-cyan); border-color: var(--accent-cyan); background: rgba(77, 184, 232, 0.08); }
.btn-icon--danger:hover { color: var(--accent-danger); border-color: var(--accent-danger); background: rgba(232, 90, 90, 0.08); }

.muted { color: var(--text-muted); font-style: italic; margin: var(--space-md) 0; }

/* ---------- Upload Progress ---------- */
.upload-progress {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}
.upload-progress__bar {
  height: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
}
.upload-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  transition: width 200ms;
}
.upload-progress__text { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-secondary); text-align: right; }

.song-form {
  background: var(--bg-secondary);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
  border: 1px solid var(--border-panel);
}

@media (max-width: 520px) {
  .song-row { grid-template-columns: 30px 1fr; grid-template-rows: auto auto; }
  .song-row__actions { grid-column: 1 / -1; justify-content: flex-end; }
}

/* ---------- Empty State (Stubs) ---------- */

.empty-state {
  padding: var(--space-xxl) var(--space-lg);
  text-align: center;
  background: var(--bg-panel);
  border: 1px dashed var(--border-panel);
  border-radius: var(--radius-lg);
}

.empty-state__emoji {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.empty-state__title {
  margin: 0 0 var(--space-sm) 0;
  font-size: 1.3rem;
  color: var(--accent-cyan);
}

.empty-state__text {
  margin: 0;
  color: var(--text-secondary);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Fatal / 404 ---------- */

.fatal-error, .not-found {
  padding: var(--space-xxl) var(--space-lg);
  text-align: center;
}

.fatal-error h1, .not-found h1 {
  margin: 0 0 var(--space-sm) 0;
  color: var(--accent-danger);
}

/* ---------- Mobile-Header ---------- */

@media (max-width: 520px) {
  .site-header { padding: 0 var(--space-md); }
  .site-header__logo { height: 40px; }
  .site-header__wordmark-main { font-size: 1rem; }
  .site-header__wordmark-sub { font-size: 0.6rem; }
  .site-main { padding: var(--space-xl) var(--space-md); }
  .auth-card { padding: var(--space-lg); }
}