/* =========================================================
   کتاب‌خانه — سیستم طراحی
   پالت: جلد شرابی (--wine) + طلایی لبه صفحه (--gold) + کاغذ (--paper)
   ========================================================= */

@font-face{
  font-family:'Vazirmatn';
  src:url('../fonts/Vazirmatn-Var.woff2') format('woff2-variations'),
      url('../fonts/Vazirmatn-Var.woff2') format('woff2');
  font-weight:100 900;
  font-display:swap;
}

:root{
  --wine:#6B1E2B;
  --wine-dark:#4A121C;
  --gold:#B8923F;
  --gold-light:#E7D5A6;
  --paper:#FAF7F2;
  --paper-alt:#F1EAE0;
  --ink:#2A211D;
  --ink-soft:#6B5F58;
  --line:#E4DCD0;
  --green:#2F6B4F;
  --radius:14px;
  --shadow:0 10px 30px -14px rgba(42,33,29,.25);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.001ms!important;transition-duration:.001ms!important}}

body{margin:0;font-family:'Vazirmatn',Tahoma,'Segoe UI',system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:800;line-height:1.35}
p{margin:0 0 1em}
button,input,textarea,select{font-family:inherit;font-size:1rem}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

.container{max-width:1180px;margin:0 auto;padding:0 16px}

/* ---------- هدر ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:14px;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.2rem;color:var(--wine);white-space:nowrap}
.main-nav{display:none;align-items:center;gap:22px;margin-inline-start:8px;font-weight:600;font-size:.95rem}
.main-nav a{color:var(--ink-soft)}
.main-nav a:hover{color:var(--wine)}
.nav-premium{color:var(--gold)!important;font-weight:800!important}
.search-form{display:none;position:relative;flex:1;max-width:360px;margin-inline-start:auto}
.search-form input{width:100%;padding:9px 40px 9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper-alt)}
.search-form button{position:absolute;inset-inline-end:10px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--ink-soft);cursor:pointer;padding:0}
.header-actions{display:flex;align-items:center;gap:10px;margin-inline-start:8px}
.nav-toggle{margin-inline-start:auto;display:flex;flex-direction:column;gap:4px;background:none;border:0;padding:6px;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--ink)}

.btn-primary,.btn-ghost,.btn-gold{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:999px;font-weight:700;font-size:.92rem;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}
.btn-primary{background:var(--wine);color:#fff}
.btn-primary:hover{background:var(--wine-dark)}
.btn-gold{background:var(--gold);color:#3a2c0e}
.btn-gold:hover{filter:brightness(1.05)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--wine);color:var(--wine)}
.btn-block{width:100%}
.badge-gold{display:inline-block;background:var(--gold-light);color:#5c4a12;font-size:.7rem;padding:2px 8px;border-radius:999px;margin-inline-start:6px;font-weight:800}

@media(min-width:900px){
  .main-nav{display:flex}
  .search-form{display:flex}
  .nav-toggle{display:none}
}
/* منوی موبایل */
.main-nav.open{display:flex;flex-direction:column;position:absolute;top:64px;inset-inline:0;background:var(--paper);border-bottom:1px solid var(--line);padding:14px 16px;gap:14px}

/* ---------- flash ---------- */
.flash{margin:12px 0;padding:12px 16px;border-radius:10px;font-weight:600}
.flash-success{background:#E4F3EA;color:var(--green)}
.flash-error{background:#FBE7E7;color:#9C2B2B}

/* ---------- هیرو ---------- */
.hero{position:relative;background:linear-gradient(160deg,var(--wine) 0%,var(--wine-dark) 100%);color:#fff;overflow:hidden;padding:56px 0 64px}
.hero-inner{display:grid;gap:32px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-weight:700;font-size:.85rem;letter-spacing:.02em;margin-bottom:14px}
.hero h1{font-size:clamp(1.7rem,4vw,2.6rem);max-width:18ch}
.hero p{color:#EADFD3;max-width:48ch;font-size:1.05rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.hero-shelf{display:flex;gap:14px;padding-inline-start:0;overflow:hidden}
.hero-shelf .spine{flex:0 0 auto;width:88px;height:132px;border-radius:6px;background:var(--paper-alt);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;transform:rotate(var(--tilt,0deg));border-bottom:4px solid var(--gold)}
.hero-shelf img{width:100%;height:100%;object-fit:cover;border-radius:6px}
@media(min-width:800px){.hero-inner{grid-template-columns:1.1fr .9fr}}

/* ---------- بخش‌ها ---------- */
.section{padding:44px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:22px}
.section-head h2{font-size:1.4rem}
.section-head a{color:var(--wine);font-weight:700;font-size:.9rem;white-space:nowrap}

/* ---------- گرید کتاب‌ها ---------- */
.book-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(min-width:640px){.book-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:980px){.book-grid{grid-template-columns:repeat(4,1fr)}}

.book-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.book-cover{position:relative;aspect-ratio:2/3;background:var(--paper-alt);overflow:hidden}
.book-cover img{width:100%;height:100%;object-fit:cover}
.ribbon{position:absolute;top:10px;inset-inline-start:-6px;background:var(--gold);color:#3a2c0e;font-size:.72rem;font-weight:800;padding:4px 12px 4px 8px;border-radius:0 4px 4px 0;box-shadow:0 2px 6px rgba(0,0,0,.15)}
.ribbon::after{content:"";position:absolute;inset-inline-start:0;top:100%;border-inline-start:6px solid transparent;border-top:6px solid var(--wine-dark)}
.ribbon.free{background:var(--green);color:#fff}
.book-info{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.book-info h3{font-size:.98rem;line-height:1.5;margin:0}
.book-info h3 a{color:var(--ink)}
.book-author{font-size:.82rem;color:var(--ink-soft)}
.book-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.85rem}
.book-price{font-weight:800;color:var(--wine)}
.book-price.is-free{color:var(--green)}

/* ---------- فیلتر دسته‌ها (چیپ) ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.chip{padding:7px 16px;border:1px solid var(--line);border-radius:999px;font-size:.85rem;font-weight:600;color:var(--ink-soft)}
.chip.active,.chip:hover{background:var(--wine);border-color:var(--wine);color:#fff}

/* ---------- صفحه کتاب ---------- */
.book-detail{display:grid;gap:32px;padding:36px 0}
@media(min-width:860px){.book-detail{grid-template-columns:300px 1fr}}
.book-detail-cover{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:sticky;top:84px}
.book-detail-cover img{aspect-ratio:2/3;object-fit:cover;width:100%}
.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:14px}
.breadcrumb a{color:var(--wine)}
.stat-row{display:flex;flex-wrap:wrap;gap:18px;color:var(--ink-soft);font-size:.9rem;margin:14px 0}
.stat-row span{display:flex;align-items:center;gap:6px}
.summary-box{background:var(--paper-alt);border-inline-start:4px solid var(--gold);border-radius:10px;padding:16px 18px;margin:18px 0;font-size:.96rem}
.purchase-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between}
.purchase-price{font-size:1.5rem;font-weight:800;color:var(--wine)}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-top:30px}
.tab-btn{padding:10px 18px;font-weight:700;color:var(--ink-soft);border-bottom:2px solid transparent;background:none;border-top:0;border-inline:0;cursor:pointer}
.tab-btn.active{color:var(--wine);border-color:var(--wine)}
.tab-panel{padding:20px 2px;display:none}
.tab-panel.active{display:block}

/* ---------- فرم‌ها ---------- */
.auth-wrap{max-width:420px;margin:50px auto;padding:0 16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--wine)}
.form-actions{margin-top:20px}
.helper-text{font-size:.85rem;color:var(--ink-soft);margin-top:14px;text-align:center}

/* ---------- اشتراک ویژه ---------- */
.plans-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:760px){.plans-grid{grid-template-columns:repeat(3,1fr)}}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;position:relative}
.plan-card.featured{border-color:var(--gold);box-shadow:var(--shadow)}
.plan-card.featured::before{content:"محبوب‌ترین";position:absolute;top:-13px;inset-inline-start:50%;transform:translateX(50%);background:var(--gold);color:#3a2c0e;font-size:.75rem;font-weight:800;padding:4px 14px;border-radius:999px}
.plan-price{font-size:2rem;font-weight:800;color:var(--wine);margin:10px 0}
.plan-price small{font-size:.9rem;font-weight:600;color:var(--ink-soft)}
.plan-card ul{margin:18px 0;display:flex;flex-direction:column;gap:10px;text-align:start;font-size:.9rem}

/* ---------- جدول (پروفایل/ادمین) ---------- */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:start;white-space:nowrap}
th{color:var(--ink-soft);font-weight:700}
.status-pill{padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:700}
.status-paid{background:#E4F3EA;color:var(--green)}
.status-pending{background:#FBF3D8;color:#8a6d0d}
.status-failed{background:#FBE7E7;color:#9C2B2B}

/* ---------- صفحه‌بندی ---------- */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:30px}
.pagination a,.pagination span{min-width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--line);font-weight:700;font-size:.9rem}
.pagination .current{background:var(--wine);border-color:var(--wine);color:#fff}

/* ---------- فوتر ---------- */
.site-footer{background:var(--wine-dark);color:#EADFD3;margin-top:60px;padding:44px 0 0}
.footer-grid{display:grid;gap:28px;grid-template-columns:1fr;padding-bottom:30px}
@media(min-width:760px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer-logo{color:#fff;margin-bottom:10px}
.footer-desc{color:#C9B8AA;font-size:.9rem}
.site-footer h3{font-size:.95rem;color:var(--gold-light)}
.site-footer a{color:#DCCFC2;font-size:.9rem}
.site-footer a:hover{color:var(--gold-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:.82rem;color:#C9B8AA;text-align:center}

/* ---------- بخش empty/404 ---------- */
.empty-state{text-align:center;padding:60px 16px;color:var(--ink-soft)}

/* ---------- ادمین ---------- */
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{width:230px;background:var(--wine-dark);color:#EADFD3;flex-shrink:0;display:none}
.admin-sidebar a{display:block;padding:12px 20px;color:#DCCFC2;font-weight:600}
.admin-sidebar a:hover,.admin-sidebar a.active{background:rgba(255,255,255,.08);color:#fff}
.admin-main{flex:1;padding:24px 16px;max-width:1100px}
@media(min-width:860px){.admin-sidebar{display:block}}
.stat-cards{display:grid;gap:16px;grid-template-columns:repeat(2,1fr);margin-bottom:26px}
@media(min-width:700px){.stat-cards{grid-template-columns:repeat(4,1fr)}}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.stat-card .num{font-size:1.6rem;font-weight:800;color:var(--wine)}
.stat-card .label{color:var(--ink-soft);font-size:.85rem}

/* =========================================================
   لایه‌ی ارتقا — جلوه‌های مدرن و پرمیوم (افزوده‌شده)
   ========================================================= */
::selection{background:var(--gold-light);color:var(--wine-dark)}

/* هدر شیشه‌ای هنگام اسکرول */
.site-header{background:rgba(250,247,242,.85);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(42,33,29,.35)}
.logo svg{color:var(--wine)}

/* دکمه‌ها: عمق و حرکت ظریف */
.btn-primary,.btn-ghost,.btn-gold{box-shadow:0 1px 2px rgba(0,0,0,.04);transition:transform .16s ease,box-shadow .16s ease,filter .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease}
.btn-primary{background:linear-gradient(135deg,var(--wine),var(--wine-dark));box-shadow:0 8px 20px -10px rgba(107,30,43,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(107,30,43,.6);background:linear-gradient(135deg,var(--wine),var(--wine-dark))}
.btn-primary:active{transform:translateY(0)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#CFAE64);box-shadow:0 8px 20px -10px rgba(184,146,63,.55)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(184,146,63,.6)}
.btn-ghost:hover{transform:translateY(-1px)}

/* هیرو: عمق و نور طلایی */
.hero{background:
  radial-gradient(1100px 420px at 85% -10%, rgba(184,146,63,.35), transparent 60%),
  radial-gradient(700px 360px at -10% 110%, rgba(184,146,63,.18), transparent 55%),
  linear-gradient(160deg,var(--wine) 0%,var(--wine-dark) 100%);
}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);background-size:22px 22px;opacity:.35;pointer-events:none}
.hero-inner{position:relative;z-index:1}
.hero h1{text-shadow:0 2px 18px rgba(0,0,0,.18)}
.hero-shelf .spine{transition:transform .25s ease;box-shadow:0 18px 34px -16px rgba(0,0,0,.45)}
.hero-shelf .spine:hover{transform:rotate(0deg) translateY(-6px) scale(1.03)}

/* عناوین بخش‌ها: خط تزئینی طلایی */
.section-head h2{position:relative;padding-inline-start:16px}
.section-head h2::before{content:"";position:absolute;inset-inline-start:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--gold),var(--wine))}

/* کارت کتاب: زوم و سایه‌ی نرم */
.book-card{box-shadow:0 1px 2px rgba(42,33,29,.04)}
.book-card:hover{transform:translateY(-6px);box-shadow:0 24px 40px -22px rgba(42,33,29,.35);border-color:transparent}
.book-cover img{transition:transform .35s ease}
.book-card:hover .book-cover img{transform:scale(1.06)}
.book-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.16) 100%);opacity:0;transition:opacity .25s ease}
.book-card:hover .book-cover::after{opacity:1}
.book-info h3 a{transition:color .15s ease}
.book-card:hover .book-info h3 a{color:var(--wine)}

/* چیپ دسته‌بندی */
.chip{transition:transform .15s ease,background-color .15s ease,color .15s ease,border-color .15s ease}
.chip.active,.chip:hover{background:linear-gradient(135deg,var(--wine),var(--wine-dark));box-shadow:0 8px 18px -10px rgba(107,30,43,.5)}
.chip:hover{transform:translateY(-1px)}

/* باکس خرید صفحه‌ی کتاب */
.purchase-box{background:linear-gradient(180deg,#fff,var(--paper-alt));position:relative;overflow:hidden}
.purchase-box::before{content:"";position:absolute;inset-inline-start:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--gold),var(--wine))}

/* پلن‌های اشتراک */
.plan-card{transition:transform .2s ease,box-shadow .2s ease}
.plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.plan-card.featured{background:linear-gradient(180deg,#fff 0%,var(--paper-alt) 100%);transform:scale(1.02)}
.plan-card.featured:hover{transform:scale(1.02) translateY(-5px)}

/* بخش تیزر اشتراک ویژه در صفحه‌ی اصلی */
.plan-teaser .card{background:linear-gradient(135deg,var(--wine) 0%,var(--wine-dark) 100%);color:#fff;border:0;position:relative;overflow:hidden}
.plan-teaser .card::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 260px at 90% -20%,rgba(184,146,63,.35),transparent 60%)}
.plan-teaser .card h2{color:#fff;position:relative}
.plan-teaser .card p{color:#EADFD3;position:relative}
.plan-teaser .card a{position:relative}

/* فوتر */
.site-footer{position:relative}
.site-footer::before{content:"";position:absolute;inset-inline:0;top:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--wine),var(--gold))}

/* ریسپانسیو تکمیلی */
@media(min-width:1200px){.book-grid{grid-template-columns:repeat(5,1fr)}}
@media(max-width:420px){.book-grid{gap:12px}.book-info{padding:10px 12px 12px}.section{padding:32px 0}.hero{padding:44px 0 52px}}

/* نوار سرصفحه‌ی داخلی (دسته‌بندی/جستجو) */
.page-band{position:relative;overflow:hidden;padding:38px 0 46px;color:#fff;
  background:
    radial-gradient(900px 340px at 90% -20%, rgba(184,146,63,.32), transparent 60%),
    linear-gradient(160deg,var(--wine) 0%,var(--wine-dark) 100%)}
.page-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);background-size:22px 22px;opacity:.3;pointer-events:none}
.page-band .container{position:relative;z-index:1}
.page-band h1{margin:8px 0 6px;font-size:clamp(1.5rem,3.6vw,2.1rem)}
.page-band p{color:#EADFD3;margin:0 0 12px;max-width:56ch}
.breadcrumb-light{color:#D8C6BA}
.breadcrumb-light a{color:var(--gold-light)}
.page-band-count{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:5px 14px;border-radius:999px;font-size:.82rem;font-weight:700}