/* ============================================================
   passtheaux — the public music side of fsxssd
   Design language ported from SignalBoard (fsxssd):
   Helvetica Neue, pure black, hot-pink #FF3366, sharp corners,
   tiny uppercase labels, album-art-grade cards, scroll fade-in.
   ============================================================ */

:root {
  --bg: #000;
  --surface: #040404;       /* list card bg */
  --surface-2: #0a0a0a;     /* art bg / card hover */
  --surface-3: #060606;     /* active control bg */
  --border: #1a1a1a;
  --border-2: #151515;

  --text: #fff;             /* headings / hover */
  --bright: #ccc;
  --body: #bbb;             /* card titles */
  --muted: #888;
  --dim: #555;
  --faint: #444;
  --ghost: #333;

  --accent: #FF3366;        /* fsxssd music accent */
  --ok: #00FF88;

  /* service dots — exactly fsxssd's palette */
  --spotify: #1DB954;
  --youtube: #fff;
  --apple: #FB2C50;

  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;

  --pad: 2rem;   /* single source of truth for horizontal page padding */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; overflow-x: hidden; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: #999;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- header (two tiers: nav + open-in control) ---- */
.site-header { max-width: 1100px; margin: 0 auto; padding: 2.4rem var(--pad) 0; }
.topnav {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: .75rem 1.5rem; flex-wrap: wrap;
}
.brand {
  font-size: .82rem; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--text); text-decoration: none;
}
.navlinks { display: inline-flex; align-items: baseline; gap: 1.5rem; }
.navlinks a {
  font-size: .62rem; font-weight: 500; letter-spacing: .18em;
  text-transform: uppercase; color: var(--faint);
  text-decoration: none; cursor: pointer; transition: color .3s;
}
.navlinks a:hover { color: var(--muted); }
.navlinks a.active { color: var(--text); }
.auth-area { display: inline-flex; align-items: baseline; gap: 1rem; }
.me { font-size: .62rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--bright); }

/* open-in segmented control */
.control-bar { display: flex; justify-content: flex-end; align-items: center; gap: .7rem; margin-top: 1.15rem; flex-wrap: wrap; }
.control-bar .ss-label { font-size: .58rem; letter-spacing: .2em; text-transform: uppercase; color: var(--faint); }
.seg-group { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.seg-group .svc-opt {
  display: inline-flex; align-items: center; gap: .4rem;
  border: none; border-left: 1px solid var(--border); border-radius: 0;
  padding: .5rem .9rem; color: var(--dim);
}
.seg-group .svc-opt:first-child { border-left: none; }
.seg-group .svc-opt:hover { color: var(--muted); }
.seg-group .svc-opt.active { background: var(--surface-3); color: var(--bright); }

/* ---- shell ---- */
main { max-width: 1100px; margin: 0 auto; padding: 2.6rem var(--pad) 8vh; }

.eyebrow {
  font-size: .6rem; font-weight: 400; letter-spacing: .4em;
  text-transform: uppercase; color: var(--faint); margin: 0 0 2rem;
}
.display {
  font-size: clamp(3rem, 9vw, 5.5rem); font-weight: 300;
  color: var(--text); letter-spacing: -.05em; line-height: .9;
  margin: 0 0 1.25rem;
}
.lede {
  color: var(--dim); max-width: min(48ch, 100%); font-size: .82rem;
  letter-spacing: .02em; margin: 0 0 3rem;
}

/* ---- search ---- */
.searchbar {
  display: flex; align-items: center; gap: .75rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 4px; padding: .35rem .4rem .35rem 1rem;
  transition: border-color .4s;
}
.searchbar:focus-within { border-color: #2a2a2a; }
.searchbar svg { flex: none; color: var(--faint); width: 15px; height: 15px; }
.searchbar input {
  flex: 1; min-width: 0; background: transparent; border: none; outline: none;
  color: var(--bright); font-family: var(--sans); font-size: 16px; padding: .8rem 0;
}
.searchbar input::placeholder { color: var(--ghost); letter-spacing: .02em; }

/* ---- buttons ---- */
button {
  cursor: pointer; font-family: var(--sans); border: 1px solid transparent;
  border-radius: 2px; padding: .55rem 1rem;
  font-size: .6rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  background: none; color: var(--dim); transition: all .3s;
}
button:hover { color: var(--muted); }

/* primary CTA — accent, used sparingly */
#go, #share {
  color: var(--accent); border-color: #FF336633;
}
#go:hover, #share:hover { background: #FF33660f; color: var(--accent); }

/* ghost / secondary actions (Add, Open, ✕, export targets) */
button.secondary, button.exp, button.ghost {
  color: var(--dim); border-color: transparent;
}
button.secondary:hover, button.exp:hover, button.ghost:hover {
  color: var(--bright); border-color: var(--border); background: var(--surface-3);
}

.status {
  color: var(--dim); min-height: 1.2em; margin: 1rem 0 0;
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
}
.status a { color: var(--accent); text-decoration: none; }
.status a:hover { color: var(--text); }

/* ---- columns ---- */
.columns { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; margin-top: 4rem; }
/* Grid items default to min-width:auto, which lets cards overflow the viewport and
   pushes their controls off-screen. min-width:0 lets the columns (and cards) shrink. */
.columns > section { min-width: 0; }
@media (max-width: 800px) { .columns { grid-template-columns: 1fr; gap: 3rem; } }

.section-label {
  font-size: .6rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--faint); font-weight: 500; margin: 0 0 1.5rem;
  display: flex; align-items: center; gap: .6rem;
}
.count {
  background: var(--accent); color: #fff; border-radius: 999px;
  padding: .05rem .5rem; font-size: .58rem; letter-spacing: .04em; font-weight: 600;
}

/* (open-in selector styles live in the header section above as .seg-group) */

/* ---- cards (reskinned list rows) ---- */
.card {
  display: flex; align-items: center; gap: .85rem;
  background: var(--surface); border-radius: 3px;
  padding: .6rem .85rem; margin-bottom: 1px;
  text-decoration: none; color: inherit;
  transition: background .3s;
  animation: cardin .4s ease both;   /* pure-CSS fade-in: never depends on JS to be visible */
}
@keyframes cardin { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.card:hover { background: var(--surface-2); }
.playlist .card { box-shadow: inset 2px 0 0 var(--accent); }

.card img {
  width: 48px; height: 48px; border-radius: 3px; object-fit: cover;
  background: var(--surface-2); flex: none;
}
.card .meta { flex: 1; min-width: 0; }
.card .title {
  font-size: .78rem; font-weight: 400; color: var(--body);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .3s;
}
.card:hover .title { color: var(--text); }
.card .sub {
  color: var(--dim); font-size: .65rem; font-weight: 300; margin-top: .1rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---- badges + service dots ---- */
.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .5rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--faint); border: none; border-radius: 0;
  padding: 0; white-space: nowrap; flex: none;
  text-decoration: none; transition: color .3s;
}
a.badge { padding: .2rem .45rem; border: 1px solid var(--border); border-radius: 2px; }
a.badge:hover { color: var(--bright); border-color: #2a2a2a; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--dim); flex: none; }
.dot[data-svc="spotify"] { background: var(--spotify); }
.dot[data-svc="youtube"] { background: var(--youtube); }
.dot[data-svc="apple"]   { background: var(--apple); }

.card button {
  padding: .35rem .65rem; font-size: .55rem; flex: none;
}
.card .add-btn {
  padding: .5rem .8rem; font-size: .58rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.card .add-btn:hover { color: var(--bright); border-color: var(--faint); }
.card .add-btn.on { color: var(--accent); border-color: #FF336655; background: #FF33660f; }
.card input[type=checkbox] {
  width: 16px; height: 16px; flex: none; accent-color: var(--accent);
}

/* ---- tracklist header ---- */
.tracklist-head {
  display: flex; justify-content: space-between; align-items: center;
  margin: 0 0 1.25rem; gap: 1rem;
}
.tracklist-head strong { font-weight: 400; color: var(--bright); font-size: .82rem; }
.tracklist-head a {
  color: var(--accent); cursor: pointer; font-size: .6rem;
  letter-spacing: .14em; text-transform: uppercase; text-decoration: none;
}
.tracklist-head a:hover { color: var(--text); }

/* ---- export ---- */
.export { margin-top: 2.5rem; border-top: 1px solid var(--border-2); padding-top: 1.75rem; }
.export label {
  display: block; color: var(--faint); font-size: .6rem; letter-spacing: .16em;
  text-transform: uppercase; margin-bottom: .6rem;
}
.export input {
  width: 100%; padding: .8rem 1rem; border-radius: 4px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--bright); margin-bottom: 1rem; font-family: var(--sans);
  font-size: 16px; outline: none; transition: border-color .4s;
}
.export input::placeholder { color: var(--ghost); }
.export input:focus { border-color: #2a2a2a; }
.export-actions { display: flex; gap: .4rem; flex-wrap: wrap; }

/* ---- empty state ---- */
.empty {
  padding: 4rem 0; text-align: center; font-size: .6rem;
  color: var(--border); letter-spacing: .2em; text-transform: uppercase;
}
.empty-state { text-align: center; padding: 3.25rem 1rem; }
.empty-state .es-icon { width: 38px; height: 38px; color: var(--ghost); margin: 0 auto 1rem; display: block; }
.empty-state .es-title { font-size: .85rem; color: var(--bright); margin: 0 0 .4rem; }
.empty-state .es-sub { font-size: .72rem; color: var(--faint); margin: 0 auto; max-width: 32ch; line-height: 1.55; }

/* ---- playlist page hero (cover + vibe) ---- */
.pl-hero { display: flex; gap: 2rem; align-items: flex-start; margin-bottom: 3rem; }
.pl-hero .pl-head { flex: 1; min-width: 0; }
.pl-hero .display { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: .5rem; }
.pl-cover {
  width: 200px; height: 200px; flex: none; border-radius: 4px; overflow: hidden;
  background: var(--surface-2); display: flex; align-items: center; justify-content: center;
}
.pl-cover img { width: 100%; height: 100%; object-fit: cover; }
.pl-cover .ph {
  font-size: .55rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ghost);
}
.pl-vibe { color: var(--accent); font-size: .9rem; line-height: 1.5; margin: 0 0 1rem; max-width: min(52ch, 100%); }
.cover-actions { display: none; align-items: center; gap: .5rem; flex-wrap: wrap; margin-top: .5rem; }
.cover-actions.show { display: flex; }   /* default hidden; only shown to the owner */
.cover-actions .status { margin: 0; }
.upload-label {
  cursor: pointer; font-family: var(--sans); border: 1px solid transparent; border-radius: 2px;
  padding: .55rem 1rem; font-size: .6rem; font-weight: 500; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim); transition: all .3s;
}
.upload-label:hover { color: var(--bright); border-color: var(--border); background: var(--surface-3); }
@media (max-width: 640px) {
  .pl-hero { flex-direction: column; gap: 1.25rem; }
  .pl-cover { width: 160px; height: 160px; }
}

/* ---- mobile spacing ---- */
@media (max-width: 560px) {
  :root { --pad: 1.25rem; }   /* shifts header + main margins together */
  .site-header { padding-top: 1.8rem; }
  .navlinks { gap: 1.1rem; }
  .control-bar { justify-content: flex-start; margin-top: .9rem; }
  .lede { margin-bottom: 2rem; }
  .columns { margin-top: 2.25rem; gap: 2.25rem; }
}

/* ---- auth modal ---- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .72);
  display: flex; align-items: center; justify-content: center; z-index: 200;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 2rem; width: min(360px, 90vw);
  display: flex; flex-direction: column; gap: .8rem;
}
.modal .section-label { margin: 0 0 .4rem; }
.modal input {
  padding: .8rem 1rem; border-radius: 4px; border: 1px solid var(--border);
  background: var(--bg); color: var(--bright); font-family: var(--sans);
  font-size: 16px; outline: none; transition: border-color .3s;
}
.modal input:focus { border-color: #2a2a2a; }
.modal #auth-submit { color: var(--accent); border-color: #FF336633; margin-top: .3rem; }
.modal #auth-submit:hover { background: #FF33660f; color: var(--accent); }
.modal-close {
  position: absolute; top: .5rem; right: .7rem; font-size: 1.1rem;
  padding: .2rem .45rem; color: var(--faint);
}
.auth-toggle {
  color: var(--accent); font-size: .62rem; letter-spacing: .1em;
  text-transform: uppercase; cursor: pointer; text-decoration: none;
}
.auth-toggle:hover { color: var(--text); }

/* ---- browse ---- */
.browse-controls { display: flex; gap: .4rem; margin: 1rem 0 .5rem; }
.seg { display: inline-flex; align-items: center; }
.seg.active { color: var(--bright); border-color: var(--border); background: var(--surface-3); }

.browse-grid {
  display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1rem;
}
.pl-card {
  width: calc((100% - 3rem) / 4); text-decoration: none; color: inherit;
  animation: cardin .4s ease both;
}
.pl-card .cover {
  position: relative; width: 100%; padding-bottom: 100%;
  background: var(--surface-2); border-radius: 4px; overflow: hidden;
}
.pl-card .cover img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: filter .3s, transform .4s;
}
.pl-card:hover .cover img { filter: brightness(1.12); transform: scale(1.03); }
.pl-card .cover .ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: .55rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ghost);
}
.pl-card .pl-name {
  font-size: .78rem; color: var(--body); margin-top: .55rem; transition: color .3s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pl-card:hover .pl-name { color: var(--text); }
.pl-card .pl-meta { font-size: .62rem; color: var(--dim); margin-top: .15rem; }
.pl-card .pl-why { font-size: .68rem; color: var(--accent); margin-top: .35rem; line-height: 1.4; }
@media (max-width: 1000px) { .pl-card { width: calc((100% - 2rem) / 3); } }
@media (max-width: 700px)  { .pl-card { width: calc((100% - 1rem) / 2); } }