/* ============================================================
   app.css — Semua style publik terpusat
   Mencakup: base, navbar, catalog grid, viewer, flipbook animation,
             lock page, leaderboard, stats, heatmap
   ============================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --primary:      #cd9b68;
  --primary-dark: #b8895a;
  --surface:      #ffffff;
  --surface-2:    #fdf7f0;
  --border:       #e8ddd0;
  --text-1:       #2a1f12;
  --text-2:       #7a6045;
  --text-3:       #b89a78;
  --danger:       #ef4444;
  --success:      #22c55e;
  --warning:      #f59e0b;
  --radius:       10px;
  --shadow-sm:    0 1px 3px rgba(100,60,20,.08);
  --shadow-md:    0 4px 16px rgba(100,60,20,.12);
  --flip-duration:    0.7s;
  --flip-easing:      cubic-bezier(.645,.045,.355,1);
  --flip-perspective: 2200px;
  --page-bg:      #fff;
  --spine-color:  #c8bfb0;
  --book-shadow:  0 20px 60px rgba(0,0,0,.45), 0 6px 20px rgba(0,0,0,.3);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:15px;color:var(--text-1);background:var(--surface-2);line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}

/* ---- Btn (publik) ---- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:7px;font-size:14px;font-weight:500;border:none;cursor:pointer;transition:background .15s,transform .1s;text-decoration:none;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn-sm{padding:5px 11px;font-size:13px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;text-decoration:none}
.btn-secondary{background:#f1f5f9;color:#334155;border:1px solid #e2e8f0}
.btn-secondary:hover{background:#e2e8f0;color:#334155;text-decoration:none}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar{position:sticky;top:0;z-index:100;background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm)}
.navbar-brand{font-size:18px;font-weight:700;color:var(--text-1);display:flex;align-items:center;gap:8px}
.logo-icon{width:28px;height:28px;background:var(--primary);border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}

/* ============================================================
   CATALOG GRID
   ============================================================ */
.catalog-container{max-width:1280px;margin:0 auto;padding:40px 24px}
.catalog-header{margin-bottom:32px}
.catalog-header h1{font-size:28px;font-weight:700;color:var(--text-1)}
.catalog-header p{color:var(--text-2);margin-top:6px}
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.catalog-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .2s,box-shadow .2s;border:1px solid var(--border)}
.catalog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.catalog-card__cover{width:100%;aspect-ratio:3/4;object-fit:cover;background:#f1f5f9}
.catalog-card__cover--placeholder{aspect-ratio:3/4;background:#e2e8f0;display:flex;align-items:center;justify-content:center;font-size:40px;color:#94a3b8}
.catalog-card__body{padding:14px 16px}
.catalog-card__title{font-size:14px;font-weight:600;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.catalog-card__meta{font-size:12px;color:var(--text-3);margin-top:4px}
.catalog-card__btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;margin-top:10px;padding:8px;border-radius:6px;background:var(--primary);color:#fff;font-size:13px;font-weight:500;border:none;cursor:pointer;transition:background .2s;text-decoration:none}
.catalog-card__btn:hover{background:var(--primary-dark);text-decoration:none;color:#fff}

/* CS Selector pada catalog card */
.cs-selector-wrap{margin:8px 0 4px}
.cs-selector-label{display:block;font-size:11px;font-weight:600;color:var(--text-2);margin-bottom:4px}
.cs-selector{width:100%;padding:5px 8px;font-size:12px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text-1);outline:none}
.cs-selector:focus{border-color:var(--primary)}

/* ============================================================
   BADGE STATUS
   ============================================================ */
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase}
.badge--published{background:#dcfce7;color:#15803d}
.badge--draft{background:#fef9c3;color:#854d0e}
.badge--archived{background:#f1f5f9;color:#64748b}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state{text-align:center;padding:80px 20px;color:var(--text-3)}
.empty-state__icon{font-size:64px;margin-bottom:16px}
.empty-state__title{font-size:20px;font-weight:600;color:var(--text-2)}
.empty-state__desc{margin-top:8px;font-size:14px}

/* ============================================================
   AUTH / LOGIN
   ============================================================ */
.auth-page{background:#f1f5f9;min-height:100vh;display:flex;align-items:center;justify-content:center}
.auth-wrap{width:100%;max-width:420px;padding:20px}
.auth-card{background:#fff;border-radius:16px;padding:36px;box-shadow:0 4px 24px rgba(0,0,0,.1)}

/* ============================================================
   LOCK PAGE (CS input form)
   ============================================================ */
.lock-page{min-height:100vh;background:#1e1a16;display:flex;align-items:center;justify-content:center;padding:24px}
.lock-card{background:rgba(255,255,255,.04);border:1px solid rgba(205,155,104,.2);border-radius:20px;padding:48px 40px;max-width:460px;width:100%;text-align:center}
.lock-icon{font-size:48px;margin-bottom:16px}
.lock-badge{display:inline-block;background:rgba(205,155,104,.12);color:#cd9b68;border:1px solid rgba(205,155,104,.25);border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 12px;margin-bottom:16px}
.lock-card h1{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px}
.lock-card p{font-size:14px;color:rgba(255,255,255,.55);line-height:1.7;margin-bottom:24px}
.lock-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:10px 16px;font-size:13px;color:#fca5a5;margin-bottom:16px}
.cs-form{text-align:left}
.cs-input-wrap{display:flex;align-items:center;border:1px solid rgba(205,155,104,.3);border-radius:10px;background:rgba(255,255,255,.05);overflow:hidden;margin-bottom:12px}
.cs-input-prefix{padding:12px 14px;font-size:16px;color:#cd9b68;border-right:1px solid rgba(205,155,104,.2);flex-shrink:0}
.cs-input{flex:1;background:transparent;border:none;outline:none;padding:12px 14px;font-size:15px;color:#fff;font-family:inherit}
.cs-input::placeholder{color:rgba(255,255,255,.3)}
.cs-submit-btn{width:100%;padding:14px;background:var(--primary);color:#1e1a16;font-size:15px;font-weight:700;border:none;border-radius:10px;cursor:pointer;transition:background .2s}
.cs-submit-btn:hover{background:var(--primary-dark)}
.cs-list{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.cs-list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:rgba(255,255,255,.05);border:1px solid rgba(205,155,104,.15);border-radius:10px;color:#fff;text-decoration:none;transition:background .2s}
.cs-list-item:hover{background:rgba(205,155,104,.1);text-decoration:none;color:#fff}
.cs-list-avatar{width:36px;height:36px;border-radius:50%;background:rgba(205,155,104,.2);display:flex;align-items:center;justify-content:center;font-weight:700;color:#cd9b68;flex-shrink:0}
.lock-footer{margin-top:28px;font-size:12px;color:rgba(255,255,255,.3)}
.lock-footer a{color:rgba(205,155,104,.5)}
.lock-footer a:hover{color:var(--primary)}

/* ============================================================
   VIEWER / FLIPBOOK
   ============================================================ */
.flipbook-wrapper{display:flex;flex-direction:column;height:100vh;background:#1a1a1e;overflow:hidden;--nav-h:52px;--ctrl-h:64px}
.v-nav{height:var(--nav-h);background:rgba(0,0,0,.8);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0;z-index:50}
.v-nav__brand{display:flex;align-items:center;gap:8px;color:#fff;font-size:14px;font-weight:600;max-width:50%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.v-nav__icon{font-size:18px}
.v-nav__actions{display:flex;align-items:center;gap:8px}
.v-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:500;border:none;background:rgba(255,255,255,.1);color:#fff;cursor:pointer;transition:background .2s;white-space:nowrap}
.v-btn:hover{background:rgba(255,255,255,.2)}
.v-btn--wa{background:rgba(37,211,102,.15);color:#25d366}
.v-btn--wa:hover{background:rgba(37,211,102,.25)}
.v-btn--share{background:rgba(205,155,104,.15);color:#cd9b68}
.v-btn--share:hover{background:rgba(205,155,104,.25)}
.flipbook-stage{flex:1;position:relative;perspective:var(--flip-perspective);perspective-origin:center center;display:flex;align-items:center;justify-content:center;overflow:hidden}
.flipbook-book{position:relative;display:flex;align-items:stretch;box-shadow:var(--book-shadow);border-radius:2px 4px 4px 2px;transform-style:preserve-3d}
.flipbook-book::after{content:'';position:absolute;left:50%;top:0;bottom:0;width:3px;transform:translateX(-50%);background:linear-gradient(to right,#9a8f80 0%,#e8ddd0 40%,#fff 50%,#e8ddd0 60%,#9a8f80 100%);z-index:15;pointer-events:none}
.page-slot{position:relative;overflow:hidden;background:var(--page-bg);flex:0 0 auto}
.page-slot--left{border-radius:2px 0 0 2px;cursor:w-resize}
.page-slot--right{border-radius:0 2px 2px 0;cursor:e-resize}
.page{position:absolute;inset:0;background:var(--page-bg)}
.page img,.page--flip-element img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;user-select:none;-webkit-user-drag:none}
.page--flip-element{transform-style:preserve-3d;pointer-events:none;will-change:transform}
.page--flip-element .page__front,.page--flip-element .page__back{position:absolute;inset:0;background:var(--page-bg);backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden}
.page--flip-element .page__back{transform:rotateY(180deg)}
.page__fold-shadow{position:absolute;inset:0;pointer-events:none;z-index:2}
.page__fold-shadow--left{background:linear-gradient(to right,rgba(0,0,0,.22) 0%,rgba(0,0,0,.08) 8%,transparent 20%)}
.page__fold-shadow--right{background:linear-gradient(to left,rgba(0,0,0,.22) 0%,rgba(0,0,0,.08) 8%,transparent 20%)}
.page-slot__shadow-overlay{position:absolute;inset:0;pointer-events:none;z-index:12;background:transparent;transition:background var(--flip-duration) var(--flip-easing)}
.page-slot__shadow-overlay.visible{background:rgba(0,0,0,.22)}
.v-thumbs{display:flex;gap:6px;overflow-x:auto;background:rgba(0,0,0,.7);padding:6px 12px;flex-shrink:0;height:64px;align-items:center;scrollbar-width:thin}
.v-thumb{flex-shrink:0;cursor:pointer;opacity:.6;transition:opacity .2s,transform .2s;display:flex;flex-direction:column;align-items:center;gap:2px}
.v-thumb:hover,.v-thumb.active{opacity:1;transform:scale(1.05)}
.v-thumb img{height:40px;width:auto;border-radius:2px;pointer-events:none}
.v-thumb span{font-size:9px;color:#fff;line-height:1}
.v-toolbar{height:var(--ctrl-h);background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;gap:8px;flex-shrink:0;padding:0 16px}
.v-toolbar__btn{background:rgba(255,255,255,.1);border:none;border-radius:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;font-size:14px;transition:background .2s}
.v-toolbar__btn:hover{background:rgba(255,255,255,.25)}
.v-toolbar__btn:disabled{opacity:.3;cursor:not-allowed}
.v-toolbar__info{font-size:13px;color:rgba(255,255,255,.7);min-width:70px;text-align:center}
.v-toolbar__sep{width:1px;height:24px;background:rgba(255,255,255,.15);margin:0 4px}
.flipbook-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:rgba(255,255,255,.7);min-height:200px}
.flipbook-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.15);border-top-color:rgba(255,255,255,.8);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.touch-hint{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.5);color:#fff;padding:8px 16px;border-radius:20px;font-size:13px;pointer-events:none;animation:fadeInOut 2.5s ease forwards;z-index:200}
@keyframes fadeInOut{0%{opacity:0;transform:translateX(-50%) translateY(10px)}20%{opacity:1;transform:translateX(-50%) translateY(0)}80%{opacity:1}100%{opacity:0}}

/* ============================================================
   ADMIN AUTH FORM
   ============================================================ */
.alert{padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px;display:flex;align-items:flex-start;gap:10px}
.alert-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:6px}
.form-control{width:100%;padding:9px 12px;border:1px solid #d1d5db;border-radius:7px;font-size:14px;color:#0f172a;background:#fff;transition:border-color .15s,box-shadow .15s;outline:none;font-family:inherit}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(205,155,104,.18)}

/* ============================================================
   LANDING PAGE
   ============================================================ */
.landing-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 24px;background:linear-gradient(135deg,#fdf7f0 0%,#f5e8d8 100%)}
.landing-logo{font-size:64px;margin-bottom:16px;animation:floatLogo 3s ease-in-out infinite}
@keyframes floatLogo{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.landing-title{font-size:clamp(28px,5vw,48px);font-weight:800;color:#2a1f12;line-height:1.2;margin-bottom:16px}
.landing-subtitle{font-size:clamp(15px,2vw,18px);color:#7a6045;max-width:560px;line-height:1.6}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:768px){.catalog-container{padding:20px 16px}.catalog-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}.catalog-header h1{font-size:22px}}
@media(max-width:480px){.catalog-grid{grid-template-columns:repeat(2,1fr);gap:12px}}
@media(max-width:640px){:root{--flip-perspective:900px;--flip-duration:.35s}.flipbook-book::after{display:none}.v-thumbs{display:none}}
@media(max-width:1024px){:root{--flip-perspective:1600px}}
@media(prefers-reduced-motion:reduce){.page--flip-element{transition:none!important}.page-slot__shadow-overlay{transition:none}}

/* ============================================================
   VIEWER CSS — GANTIKAN semua aturan viewer di app.css
   (hapus semua @media rule lama yang menyebut v-thumbs/v-toolbar/v-nav)
   lalu paste blok ini di bagian PALING BAWAH app.css
   ============================================================ */

/* ── CSS custom properties viewer ─────────────────────────── */
:root {
  --nav-h:  52px;
  --ctrl-h: 60px;
  --thumb-h: 64px;
}

/* ── Zoom label ────────────────────────────────────────────── */
.v-toolbar__zoom {
  font-size: 12px;
  color: rgba(255,255,255,.65);
  min-width: 40px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ── Pointer events & tap ──────────────────────────────────── */
.v-toolbar,
.v-toolbar__btn,
.v-thumb,
.v-nav__actions,
.v-btn {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.v-toolbar {
  position: relative;
  z-index: 60;
}

/* Stage tidak boleh clip toolbar/nav */
.flipbook-stage {
  overflow: visible !important;
  position: relative;
  z-index: 10;
}

/* ── Thumbnail strip ───────────────────────────────────────── */
.v-thumbs {
  display: flex !important;    /* override display:none dari rule lama */
  flex-direction: row;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  background: rgba(0,0,0,.7);
  padding: 6px 12px;
  flex-shrink: 0;
  height: var(--thumb-h);
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.2) transparent;
}

.v-thumb {
  flex-shrink: 0;
  cursor: pointer;
  opacity: .6;
  transition: opacity .2s, transform .15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.v-thumb:hover,
.v-thumb.active  { opacity: 1; transform: scale(1.06); }
.v-thumb:active  { opacity: .8; transform: scale(.96); }

.v-thumb img {
  height: 42px;
  width: auto;
  border-radius: 2px;
  display: block;
  pointer-events: none;
}

.v-thumb span {
  font-size: 9px;
  color: rgba(255,255,255,.7);
  line-height: 1;
}

/* ── Mobile  ≤ 640px ───────────────────────────────────────── */
@media (max-width: 640px) {
  :root {
    --nav-h:   44px;
    --ctrl-h:  50px;
    --thumb-h: 54px;
  }

  /* Navbar */
  .v-nav          { height: var(--nav-h); padding: 0 10px; }
  .v-nav__title   { font-size: 12px; max-width: 120px; }
  .v-btn-label    { display: none; }
  .v-btn          { padding: 5px 9px; font-size: 13px; border-radius: 18px; }

  /* Toolbar — compact, semua tombol muat */
  .v-toolbar      { height: var(--ctrl-h); gap: 3px; padding: 0 8px; }
  .v-toolbar__btn { width: 30px; height: 30px; font-size: 14px; border-radius: 7px; }
  .v-toolbar__info{ min-width: 50px; font-size: 11px; }
  .v-toolbar__zoom{ min-width: 34px; font-size: 11px; }
  .v-toolbar__sep { display: none; } /* hemat ruang */

  /* Thumbnails — kecil tapi TETAP TAMPIL */
  .v-thumbs {
    display: flex !important;
    height: var(--thumb-h);
    padding: 4px 8px;
    gap: 4px;
  }
  .v-thumb img  { height: 32px; }
  .v-thumb span { font-size: 8px; }
}

/* ── Very small ≤ 380px ────────────────────────────────────── */
@media (max-width: 380px) {
  :root { --thumb-h: 48px; }

  .v-toolbar__btn  { width: 26px; height: 26px; font-size: 13px; }
  .v-toolbar__info { min-width: 44px; font-size: 10px; }
  .v-toolbar__zoom { min-width: 28px; font-size: 10px; }

  /* Pada HP sangat kecil, sembunyikan first/last agar toolbar muat */
  #fb-first, #fb-last { display: none; }

  .v-thumbs { padding: 3px 6px; gap: 3px; }
  .v-thumb img  { height: 26px; }
}

/* ── Desktop ≥ 641px ───────────────────────────────────────── */
@media (min-width: 641px) {
  :root {
    --nav-h:   52px;
    --ctrl-h:  60px;
    --thumb-h: 64px;
  }

  .v-thumbs {
    display: flex !important;
    height: var(--thumb-h);
    padding: 6px 12px;
    gap: 6px;
  }
  .v-thumb img  { height: 42px; }
  .v-thumb span { font-size: 9px; }
}