/* Mitr4 5.2.0 · UI polish final: clean, fluid, responsive, no visible scrollbars */
:root{
  --m4-shell-gap: clamp(12px,1.4vw,20px);
  --m4-shell-pad: clamp(12px,1.2vw,18px);
  --m4-sidebar-w: clamp(220px,18vw,270px);
  --m4-radius-xl: 28px;
  --m4-radius-lg: 22px;
  --m4-radius-md: 16px;
  --m4-border: rgba(148,163,184,.16);
  --m4-border-strong: rgba(148,163,184,.26);
  --m4-bg-card: linear-gradient(145deg, rgba(12,20,44,.94), rgba(18,27,58,.90));
  --m4-bg-card-soft: linear-gradient(145deg, rgba(16,26,52,.84), rgba(30,24,68,.82));
  --m4-shadow: 0 20px 70px rgba(2,8,23,.30);
  --m4-shadow-soft: 0 12px 34px rgba(2,8,23,.20);
  --m4-text-soft:#a9b8d9;
  --m4-text-strong:#f8fbff;
}
html,body{height:100%;max-width:100%;overflow:hidden}
body{
  background:
    radial-gradient(circle at top left, rgba(56,189,248,.12), transparent 26%),
    radial-gradient(circle at top right, rgba(168,85,247,.12), transparent 28%),
    linear-gradient(180deg, #030712 0%, #071022 100%);
  color:var(--m4-text-strong);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
*{scrollbar-width:none}
*::-webkit-scrollbar{width:0;height:0;background:transparent}
img{max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{
  outline:none;
  box-shadow:0 0 0 2px rgba(56,189,248,.25), 0 0 0 4px rgba(56,189,248,.10);
}
.app{
  width:100%;
  height:100vh;
  display:grid !important;
  grid-template-columns: var(--m4-sidebar-w) minmax(0,1fr);
  gap:var(--m4-shell-gap);
  padding:var(--m4-shell-pad);
  overflow:hidden;
}
.sidebar,
.main{
  min-height:0;
  min-width:0;
}
.sidebar{
  padding:18px 14px;
  border-radius:32px;
  border:1px solid var(--m4-border);
  background:linear-gradient(180deg, rgba(7,17,39,.96), rgba(9,20,46,.92));
  box-shadow:var(--m4-shadow);
  overflow:auto;
}
.sidebar .brand{
  padding:14px;
  border-radius:24px;
  background:linear-gradient(145deg, rgba(30,50,100,.42), rgba(38,31,77,.60));
  border:1px solid rgba(96,165,250,.18);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.sidebar .nav{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin:18px 0;
}
.sidebar .nav button{
  min-height:48px;
  border-radius:18px;
  padding:12px 14px;
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid transparent;
  transition:transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.sidebar .nav button:hover{
  transform:translateY(-1px);
  border-color:rgba(99,102,241,.28);
  box-shadow:var(--m4-shadow-soft);
}
.sidebar .nav button.active{
  background:linear-gradient(135deg, rgba(59,130,246,.28), rgba(139,92,246,.34));
  border-color:rgba(129,140,248,.36);
}
.sidebar .nav button span{
  width:28px;height:28px;flex:0 0 28px;
  display:grid;place-items:center;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  font-size:14px;
}
.sidebar .nav button strong{
  flex:1;
  text-align:left;
  font-size:.95rem;
  line-height:1.15;
}
.profile-box{
  margin-top:auto;
  border-radius:24px;
  background:linear-gradient(145deg, rgba(17,29,62,.92), rgba(27,35,70,.86));
  border:1px solid var(--m4-border);
  padding:16px;
  box-shadow:var(--m4-shadow-soft);
}
.main{
  display:flex;
  flex-direction:column;
  gap:14px;
  overflow:hidden;
}
.topbar{
  display:grid !important;
  grid-template-columns:minmax(0,1fr) auto auto;
  align-items:center;
  gap:12px;
  padding:8px 6px 2px;
}
.title-pill,.status-pill,.maintenance-btn{
  min-height:46px;
  display:flex;
  align-items:center;
}
.title-pill,.status-pill{
  border-radius:999px;
  border:1px solid var(--m4-border);
  background:rgba(10,20,40,.72);
  backdrop-filter:blur(18px);
  padding:0 16px;
}
.status-pill{
  justify-content:center;
  min-width:160px;
}
.maintenance-btn{white-space:nowrap}
.email-required-warning{
  border-radius:18px;
  padding:12px 16px;
}
.tab{
  min-height:0;
  min-width:0;
  height:100%;
  overflow:hidden;
  border-radius:34px;
  border:1px solid rgba(96,165,250,.14);
  background:linear-gradient(180deg, rgba(2,6,23,.18), rgba(2,6,23,.06));
}
.tab.active{display:block}
.tab > .scroll,
#tab-player,
#tab-biblioteca,
#tab-playlists,
#tab-media-local,
#tab-history,
#tab-profiles,
#tab-users,
#tab-youtube-suggestions{
  height:100%;
}
.tab .scroll,
#tab-player,
#tab-biblioteca,
#tab-playlists,
#tab-media-local,
#tab-history,
#tab-profiles,
#tab-users,
#tab-youtube-suggestions{
  overflow:auto;
  padding-right:4px;
}
.card,.player-card,.settings-card,.player-library-under-player,.downloaded-playlists-panel,.downloaded-playlist-card,
.youtube-suggestions-shell>section,.history-card,.profile-card,.user-card,.hero,.playlist-select-box,
.now-playing-card,.full-player-shell,.modal-content,.library-panel,.path-card,.playlist-card,.player-section-card{
  border-radius:var(--m4-radius-xl) !important;
  border:1px solid var(--m4-border) !important;
  background:var(--m4-bg-card) !important;
  box-shadow:var(--m4-shadow-soft) !important;
}
.hero,
.card,
.player-card,
.settings-card,
.playlist-select-box{padding:18px}
.card-title,
.under-player-heading,
.player-only-strip-head,
.settings-section-head,
.section-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.card-title h3,
.under-player-heading strong,
.section-head h3{font-size:1.04rem;letter-spacing:.01em}
.muted,.qmeta,.downloaded-playlist-hint,.player-only-card-meta,.playlist-mini-meta,.profile-box p{color:var(--m4-text-soft)!important}
.search{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:12px;
  margin-bottom:14px;
}
.input,.select,select,input[type="text"],input[type="number"],input[type="url"],textarea{
  min-height:48px;
  border-radius:16px !important;
  border:1px solid rgba(148,163,184,.20) !important;
  background:rgba(9,17,37,.84) !important;
  color:var(--m4-text-strong) !important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
}
textarea{min-height:110px}
.btn,.mini-btn{
  border-radius:16px !important;
  border:1px solid rgba(148,163,184,.18) !important;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, filter .18s ease;
}
.btn{
  min-height:48px;
  padding:0 16px;
  box-shadow:0 10px 28px rgba(6,10,24,.22);
}
.mini-btn{
  min-height:38px;
  padding:8px 14px;
}
.btn:hover,.mini-btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(6,10,24,.24)}
.btn.secondary,.mini-btn.secondary,.mini-btn{
  background:linear-gradient(145deg, rgba(20,30,56,.88), rgba(28,36,67,.80)) !important;
}
.now-playing-card{
  display:grid !important;
  grid-template-columns:minmax(280px, 1.1fr) minmax(0, 1fr);
  gap:22px;
  align-items:center;
  min-height:320px;
}
#nowCover{max-height:min(38vh,360px);object-fit:contain}
.timeline-box{margin-top:16px}
.player-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.92fr);gap:18px}
.player-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.player-actions .btn,
.player-actions .mitr4-control-btn{min-width:58px}
.under-player-heading{
  margin-bottom:12px;
}
.inline-playlist-nav-wrap{border-radius:24px;overflow:hidden}
.player-inline-playlist-strip,
.downloaded-playlist-list,
#playerPlaylistList,
#playlistList,
#historyList,
#userList,
#profilesList,
#youtubeSuggestionPlaylists,
#youtubeSuggestionTracks{
  display:grid;
  gap:14px;
}
#playerTrackList,.playlist-video-list,.track-list,.history-list,.library-track-list{display:grid;gap:10px}
.inline-playlist-chip,
.player-only-playlist-card,
.downloaded-playlist-card,
.youtube-suggestion-card,
.player-track-row,
.library-track-row,
.history-row,
.profile-row,
.user-row{
  border-radius:22px !important;
  border:1px solid rgba(148,163,184,.16) !important;
  background:var(--m4-bg-card-soft) !important;
  box-shadow:var(--m4-shadow-soft) !important;
}
.downloaded-playlist-card,
.player-only-playlist-card,
.inline-playlist-chip{overflow:hidden}
.downloaded-playlist-card img,
.player-only-playlist-card img,
.inline-playlist-chip img{border-radius:18px}
.downloaded-playlist-card strong,
.player-only-playlist-card strong,
.inline-playlist-chip strong,
.now-title,
.playlist-name,
.history-row strong,
.player-track-row strong{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.player-track-row,
.library-track-row,
.history-row{
  padding:12px 14px;
}
.player-track-row{grid-template-columns:auto minmax(0,1fr) auto !important;align-items:center}
.library-track-row{grid-template-columns:auto minmax(0,1fr) auto !important;align-items:center}
#tab-media-local .player-only-playlist-card,
#tab-playlists .player-only-playlist-card,
#tab-biblioteca .player-only-playlist-card,
#tab-media-local .downloaded-playlist-card{
  padding:16px;
}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.options,.meta,.mini-stats,.download-action,.playlist-select-toolbar,.hero-apk-actions{gap:12px;flex-wrap:wrap}
.options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:12px}
.choice{min-height:96px;border-radius:22px;overflow:hidden}
.choice strong{font-size:1rem}
.profile-settings-shell,
.user-settings-shell,
.youtube-suggestions-shell,
.history-shell,
.biblioteca-shell,
.playlists-shell,
.media-local-shell{display:grid;gap:16px}
.mitr4-playlist-editor-card{border-radius:28px !important}
.mobile-now-bar{box-shadow:0 18px 45px rgba(0,0,0,.24)}
@media (max-width: 1480px){
  .player-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width: 1200px){
  .app{grid-template-columns:82px minmax(0,1fr)}
  .sidebar{padding:14px 10px}
  .sidebar .brand{padding:12px}
  .sidebar .nav button strong,.profile-box strong,.profile-box p,.admin-badge{display:none}
  .sidebar .nav button{justify-content:center;padding:12px 10px}
  .sidebar .nav button span{width:34px;height:34px}
  .profile-box{display:grid;place-items:center;padding:14px 8px}
  .topbar{grid-template-columns:minmax(0,1fr) auto}
  .status-pill{order:3;grid-column:1/-1}
  .now-playing-card{grid-template-columns:1fr;min-height:auto}
}
@media (max-width: 900px){
  html,body{overflow:auto}
  .app{height:auto;min-height:100vh;grid-template-columns:1fr;padding:10px}
  .sidebar,.main,.tab,.tab .scroll,#tab-player,#tab-biblioteca,#tab-playlists,#tab-media-local,#tab-history,#tab-profiles,#tab-users,#tab-youtube-suggestions{overflow:visible;height:auto}
  .sidebar{border-radius:28px}
  .sidebar .nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .sidebar .nav button strong{display:block;font-size:.82rem;text-align:center}
  .sidebar .nav button{min-height:72px;flex-direction:column;gap:8px;padding:10px}
  .profile-box{display:block}
  .topbar{grid-template-columns:1fr;gap:10px}
  .title-pill,.status-pill,.maintenance-btn{width:100%;justify-content:center}
  .search,.options,.grid2,.grid3{grid-template-columns:1fr}
  .download-action{display:grid;grid-template-columns:1fr}
}
@media (max-width: 640px){
  .sidebar .nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card,.player-card,.settings-card,.hero,.playlist-select-box{padding:14px}
  .downloaded-playlist-card,
  .player-only-playlist-card,
  .inline-playlist-chip,
  .player-track-row,
  .library-track-row,
  .history-row{padding:12px}
  .btn{min-height:46px}
  .mini-btn{min-height:36px}
}