/* =================================================================
   BIYADI Admin — cinematic black/gold UI system
   ================================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:focus{outline:none}
:focus-visible{outline:2px solid #D4AF37;outline-offset:3px}

:root{
  --gold:#D4AF37;
  --gold-bright:#E8C964;
  --gold-deep:#A8862A;
  --gold-soft:rgba(212,175,55,.08);
  --gold-40:rgba(212,175,55,.40);
  --green:#5FAD6B;
  --red:#C64B4B;
  --bg:#030303;
  --bg-card:#0B0B0B;
  --bg-card-2:#131310;
  --text:#EDEDE8;
  --text-dim:#9E9E98;
  --text-muted:#8A8A84;
  --border:rgba(212,175,55,.10);
  --border-gold:rgba(212,175,55,.28);
  --border-strong:rgba(212,175,55,.5);
  --shadow:0 30px 60px rgba(0,0,0,.55);
  --display:'DM Serif Display',Georgia,serif;
  --sans:'Inter','Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono','SF Mono',Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
}

html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;font-weight:300;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:transparent}
::selection{background:rgba(212,175,55,.4);color:#fff}

/* Gold scrollbar */
*::-webkit-scrollbar{width:8px;height:8px}
*::-webkit-scrollbar-track{background:transparent}
*::-webkit-scrollbar-thumb{background:var(--border-gold);border-radius:4px}
*::-webkit-scrollbar-thumb:hover{background:var(--gold)}

/* ================= LOGIN PAGE ================= */
.login-page{
  min-height:100vh;
  background:
    radial-gradient(ellipse at top, rgba(212,175,55,.08), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(212,175,55,.04), transparent 60%),
    #030303;
  display:grid;place-items:center;padding:2rem
}
.login{width:100%;max-width:440px}
.login-card{
  background:linear-gradient(180deg,#0B0B0B 0%,#080808 100%);
  border:1px solid var(--border);padding:3rem 2.5rem;box-shadow:var(--shadow)
}
.login-brand{display:flex;align-items:center;gap:1rem;margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}
.login-brand-mark{
  width:46px;height:46px;display:grid;place-items:center;
  background:linear-gradient(135deg,#D4AF37,#A8862A);color:#030303;
  font-family:var(--display);font-size:1.6rem;font-weight:400
}
.login-brand-name{font-family:var(--display);font-size:1rem;letter-spacing:.18em;line-height:1}
.login-brand-sub{font-size:.6rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-top:.35rem;font-weight:600}
.login-title{font-family:var(--display);font-size:2rem;font-weight:400;margin-bottom:.5rem;letter-spacing:-.01em}
.login-sub{color:var(--text-dim);font-size:.9rem;margin-bottom:2rem}
.login-form{display:flex;flex-direction:column;gap:1.25rem}
.login-field{display:flex;flex-direction:column;gap:.5rem}
.login-field span{font-size:.65rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gold);font-weight:600}
.login-field input{
  background:var(--bg);border:1px solid var(--border);padding:.95rem 1rem;
  color:var(--text);font-size:.95rem;transition:border-color .2s;font-family:var(--mono)
}
.login-field input:focus{border-color:var(--border-strong)}
.login-submit{
  margin-top:.75rem;padding:1rem;
  background:linear-gradient(135deg,#D4AF37,#A8862A);color:#030303;
  font-weight:700;letter-spacing:.18em;text-transform:uppercase;font-size:.72rem;
  transition:transform .2s,box-shadow .2s
}
.login-submit:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(212,175,55,.3)}
.login-err{display:none;margin-top:1rem;padding:.75rem 1rem;background:rgba(198,75,75,.1);border-left:3px solid var(--red);color:#E99A9A;font-size:.85rem}
.login-err.show{display:block}
.login-foot{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border);font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--text-muted);text-align:center}

/* ================= SHELL ================= */
.shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr}
.topbar{
  position:sticky;top:0;z-index:40;
  background:rgba(3,3,3,.92);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:.9rem 2rem;display:flex;align-items:center;gap:1rem
}
.topbar-brand{display:flex;align-items:center;gap:.85rem;font-family:var(--display);letter-spacing:.16em;font-size:.95rem}
.topbar-mark{width:32px;height:32px;display:grid;place-items:center;background:linear-gradient(135deg,#D4AF37,#A8862A);color:#030303;font-family:var(--display);font-size:1.05rem}
.topbar-brand em{font-style:normal;color:var(--gold);font-size:.55rem;letter-spacing:.34em;text-transform:uppercase;font-family:var(--sans);font-weight:600;margin-left:.75rem;padding-left:.85rem;border-left:1px solid var(--border-gold)}
.topbar-spacer{flex:1}
.topbar-link{font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--text-dim);padding:.5rem .85rem;border:1px solid var(--border);transition:all .3s}
.topbar-link:hover{color:var(--gold);border-color:var(--border-gold)}

.main{padding:2.5rem 2rem;max-width:1400px;margin:0 auto;width:100%}

/* ================= HEADER ================= */
.page-header{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:2.5rem;flex-wrap:wrap}
.page-eyebrow{font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:.5rem;display:flex;align-items:center;gap:.75rem}
.page-eyebrow::before{content:'';width:2rem;height:1px;background:var(--gold)}
.page-title{font-family:var(--display);font-size:clamp(2rem,4vw,2.75rem);font-weight:400;letter-spacing:-.01em;line-height:1.1}
.page-title em{font-style:italic;color:var(--gold)}
.page-sub{color:var(--text-dim);margin-top:.75rem;font-size:.95rem;max-width:56ch}

/* ================= PRIMARY ACTION ================= */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.9rem 1.4rem;border:1px solid var(--border-gold);
  font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;
  transition:all .3s var(--ease);background:transparent;color:var(--text)
}
.btn:hover{background:var(--gold-soft);color:var(--gold);border-color:var(--gold)}
.btn-primary{background:linear-gradient(135deg,#D4AF37,#A8862A);color:#030303;border-color:transparent}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(212,175,55,.3);color:#030303}
.btn-ghost{border-color:var(--border);color:var(--text-dim)}
.btn-ghost:hover{color:var(--gold);border-color:var(--border-gold);background:transparent}
.btn-danger{border-color:rgba(198,75,75,.4);color:#E99A9A}
.btn-danger:hover{background:rgba(198,75,75,.1);color:#fff;border-color:var(--red)}
.btn-small{padding:.6rem 1rem;font-size:.62rem}

/* ================= CARDS ================= */
.section{margin-bottom:3rem}
.section-label{display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem}
.section-label span{font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:600}
.section-label::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,var(--border-gold),transparent)}

.card{
  background:var(--bg-card);border:1px solid var(--border);
  padding:1.5rem 1.75rem;transition:all .3s
}
.card:hover{border-color:var(--border-gold)}

/* ================= BOOK LIST ================= */
.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.25rem}
.book-card{
  position:relative;display:block;background:var(--bg-card);border:1px solid var(--border);
  padding:1.75rem;transition:all .4s var(--ease);overflow:hidden;cursor:pointer
}
.book-card::before{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--gold);transform:scaleY(0);transform-origin:top;transition:transform .4s var(--ease)}
.book-card:hover{border-color:var(--border-gold);transform:translateY(-2px)}
.book-card:hover::before{transform:scaleY(1)}
.book-card-stage{font-size:.58rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:.5rem;display:inline-flex;align-items:center;gap:.5rem}
.book-card-stage::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(212,175,55,.5)}
.book-card-title{font-family:var(--display);font-size:1.35rem;font-weight:400;line-height:1.2;margin-bottom:.5rem}
.book-card-title em{font-style:italic;color:var(--gold)}
.book-card-author{font-size:.85rem;color:var(--text-dim);margin-bottom:1rem}
.book-card-meta{display:flex;gap:1.5rem;padding-top:1rem;border-top:1px solid var(--border);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-muted)}
.book-card-meta .num{color:var(--gold);font-family:var(--mono);font-weight:600;letter-spacing:0;text-transform:none}

.empty-state{
  padding:4rem 2rem;text-align:center;background:var(--bg-card);
  border:1px dashed var(--border-gold)
}
.empty-icon{width:56px;height:56px;margin:0 auto 1.5rem;display:grid;place-items:center;background:var(--gold-soft);color:var(--gold);font-family:var(--display);font-size:1.8rem}
.empty-title{font-family:var(--display);font-size:1.4rem;margin-bottom:.5rem}
.empty-text{color:var(--text-dim);font-size:.9rem;max-width:36ch;margin:0 auto 1.75rem}

/* ================= NARRATOR PANEL ================= */
.narrator-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem}
.narrator-row{
  display:flex;align-items:center;gap:.85rem;padding:.9rem 1.1rem;
  background:var(--bg-card);border:1px solid var(--border);transition:all .2s
}
.narrator-row:hover{border-color:var(--border-gold)}
.narrator-dot{flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(95,173,107,.15)}
.narrator-row.booked .narrator-dot{background:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.2)}
.narrator-name{flex:1;font-size:.88rem;font-weight:400;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.narrator-toggle{
  flex-shrink:0;width:38px;height:22px;border-radius:11px;background:rgba(95,173,107,.3);
  position:relative;cursor:pointer;transition:background .3s
}
.narrator-toggle::after{
  content:'';position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;
  background:var(--green);transition:all .3s var(--ease)
}
.narrator-row.booked .narrator-toggle{background:rgba(212,175,55,.3)}
.narrator-row.booked .narrator-toggle::after{left:18px;background:var(--gold)}

/* ================= BOOK EDITOR ================= */
.editor{display:grid;grid-template-columns:1fr 380px;gap:2rem;align-items:flex-start}
@media(max-width:980px){.editor{grid-template-columns:1fr}}

.editor-main>*+*{margin-top:2rem}

.fieldset{
  background:var(--bg-card);border:1px solid var(--border);padding:1.75rem
}
.fieldset-title{font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:1.25rem;display:flex;align-items:center;gap:.75rem}
.fieldset-title .count{color:var(--text-dim);font-weight:400;letter-spacing:.1em;font-size:.58rem;font-family:var(--mono)}

.field{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.25rem}
.field-label{font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--text-dim);font-weight:600}
.field-hint{font-size:.72rem;color:var(--text-muted);margin-top:.25rem;font-style:italic}
.field input,.field textarea,.field select{
  background:var(--bg);border:1px solid var(--border);padding:.85rem 1rem;
  color:var(--text);transition:border-color .2s;font-size:.95rem;width:100%;font-family:var(--sans)
}
.field textarea{min-height:100px;resize:vertical;line-height:1.65}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--border-strong);background:var(--bg-card-2)}
.field input.mono,.field.mono input{font-family:var(--mono);font-size:.9rem}

.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:600px){.field-row{grid-template-columns:1fr}}

/* ================= STAGES EDITOR ================= */
.stages-list{display:flex;flex-direction:column;gap:.5rem}
.stage-row{
  display:grid;grid-template-columns:auto 1fr auto auto;gap:1rem;align-items:center;
  padding:.9rem 1.15rem;background:var(--bg);border:1px solid var(--border);
  transition:all .25s
}
.stage-row.done{border-color:rgba(95,173,107,.3);background:linear-gradient(90deg,rgba(95,173,107,.05),transparent)}
.stage-row.current{border-color:var(--border-strong);background:linear-gradient(90deg,var(--gold-soft),transparent);box-shadow:0 0 0 1px var(--border-gold) inset}
.stage-badge{
  width:32px;height:32px;display:grid;place-items:center;font-family:var(--mono);font-size:.72rem;
  border:1px solid var(--border);color:var(--text-muted);font-weight:600
}
.stage-row.done .stage-badge{background:var(--green);color:#030303;border-color:var(--green)}
.stage-row.current .stage-badge{background:var(--gold);color:#030303;border-color:var(--gold)}
.stage-name{font-family:var(--display);font-size:1.05rem;line-height:1.2}
.stage-name-en{font-size:.72rem;color:var(--text-muted);margin-top:.15rem}
.stage-status{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--text-muted);white-space:nowrap}
.stage-row.done .stage-status{color:var(--green)}
.stage-row.current .stage-status{color:var(--gold)}
.stage-radio{
  width:24px;height:24px;border:1.5px solid var(--border-gold);border-radius:50%;
  display:grid;place-items:center;cursor:pointer;transition:all .2s
}
.stage-radio::after{content:'';width:10px;height:10px;border-radius:50%;background:transparent;transition:background .2s}
.stage-row.current .stage-radio{border-color:var(--gold)}
.stage-row.current .stage-radio::after{background:var(--gold)}
.stage-radio:hover{border-color:var(--gold);background:var(--gold-soft)}

/* ================= LOG ================= */
.log-list{display:flex;flex-direction:column;gap:.75rem}
.log-entry{
  display:grid;grid-template-columns:100px 1fr auto;gap:1rem;align-items:flex-start;
  padding:1rem 1.15rem;background:var(--bg);border:1px solid var(--border);transition:all .2s
}
.log-entry:hover{border-color:var(--border-gold)}
.log-date{font-family:var(--mono);font-size:.72rem;color:var(--gold);letter-spacing:.05em;padding-top:.15rem}
.log-body{font-size:.9rem;line-height:1.65;color:var(--text-dim)}
.log-body strong{color:var(--text);font-weight:500}
.log-body .lang-row+.lang-row{margin-top:.45rem;padding-top:.45rem;border-top:1px dashed var(--border)}
.log-body .lang-tag{display:inline-block;width:20px;font-size:.58rem;color:var(--gold);font-weight:700;letter-spacing:.15em;margin-right:.5rem}
.log-del{flex-shrink:0;background:transparent;border:none;color:var(--text-muted);padding:.3rem;font-size:.9rem;cursor:pointer;transition:color .2s}
.log-del:hover{color:var(--red)}

/* ================= SIDEBAR ================= */
.sidebar>*+*{margin-top:1.5rem}

.share-block{background:var(--bg-card);border:1px solid var(--border);padding:1.5rem}
.share-label{font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:1rem}
.share-row{display:flex;gap:.5rem;margin-bottom:.75rem}
.share-row input{
  flex:1;background:var(--bg);border:1px solid var(--border);padding:.7rem .85rem;
  color:var(--text);font-family:var(--mono);font-size:.75rem;min-width:0
}
.share-copy{
  flex-shrink:0;padding:.7rem 1rem;border:1px solid var(--border-gold);
  color:var(--gold);font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;
  cursor:pointer;transition:all .2s;background:transparent;font-weight:600
}
.share-copy:hover{background:var(--gold);color:#030303}
.share-copy.copied{background:var(--green);color:#030303;border-color:var(--green)}

.sidebar-actions{display:flex;flex-direction:column;gap:.6rem}

/* ================= TOASTS ================= */
.toast-tray{position:fixed;top:1.5rem;right:1.5rem;z-index:100;display:flex;flex-direction:column;gap:.5rem;pointer-events:none}
.toast{
  padding:.85rem 1.15rem;background:var(--bg-card);border:1px solid var(--border-gold);
  border-left:3px solid var(--gold);font-size:.82rem;
  box-shadow:0 20px 40px rgba(0,0,0,.5);animation:toast-in .35s var(--ease);
  pointer-events:auto;min-width:260px
}
.toast.error{border-left-color:var(--red);border-color:rgba(198,75,75,.4);color:#E99A9A}
.toast.success{border-left-color:var(--green);border-color:rgba(95,173,107,.4)}
@keyframes toast-in{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}

/* ================= MODAL ================= */
.modal-backdrop{position:fixed;inset:0;z-index:60;background:rgba(3,3,3,.75);backdrop-filter:blur(6px);display:grid;place-items:center;padding:2rem;animation:fade .25s}
.modal{
  background:linear-gradient(180deg,#0E0E0C 0%,#0B0B0B 100%);
  border:1px solid var(--border-gold);box-shadow:var(--shadow);
  padding:2.25rem;width:100%;max-width:540px;max-height:90vh;overflow:auto;animation:pop .3s var(--ease)
}
.modal-title{font-family:var(--display);font-size:1.75rem;font-weight:400;margin-bottom:.5rem}
.modal-title em{font-style:italic;color:var(--gold)}
.modal-sub{color:var(--text-dim);margin-bottom:1.75rem;font-size:.9rem}
.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.75rem;padding-top:1.5rem;border-top:1px solid var(--border)}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}

/* ================= STATE HELPERS ================= */
.hidden{display:none !important}
.loading{opacity:.5;pointer-events:none}
.spinner{
  width:16px;height:16px;border:2px solid var(--border-gold);border-top-color:var(--gold);
  border-radius:50%;animation:spin .8s linear infinite;display:inline-block
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ================= MOBILE ================= */
@media(max-width:720px){
  .topbar{padding:.75rem 1rem}
  .topbar-brand{font-size:.82rem}
  .main{padding:1.5rem 1rem}
  .page-title{font-size:1.75rem}
  .fieldset{padding:1.25rem}
  .log-entry{grid-template-columns:1fr;gap:.5rem}
  .log-date{padding-top:0}
  .stage-row{grid-template-columns:auto 1fr;gap:.75rem}
  .stage-row .stage-status,.stage-row .stage-radio{grid-column:2}
}