:root{
  --b950:#071a47; --b900:#0a2463; --b800:#0d3290; --b700:#1250c4; --b600:#1a66e0; --b500:#2f80ed;
  --b200:#bcd6fb; --b100:#e6f0ff; --b50:#f3f8ff; --text:#1c2a44; --muted:#6a7a96;
  --danger:#d6314a; --ok:#14935a; --warn:#b7791f; --radius:14px;
  --shadow:0 6px 24px rgba(18,80,196,.12);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Tahoma,"Segoe UI","Vazirmatn",Arial,sans-serif;background:var(--b50);color:var(--text);line-height:1.9;font-size:15px;overflow-wrap:anywhere}
a{color:var(--b700);text-decoration:none}
a:hover{color:var(--b500)}
img{max-width:100%;height:auto}
h1,h2,h3{line-height:1.5}
.container{width:min(1140px,94%);margin:0 auto}
.center{text-align:center}
.muted{color:var(--muted)}

/* ===== سایت: هدر ===== */
.site-header{background:linear-gradient(90deg,var(--b900),var(--b700));color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 12px rgba(10,36,99,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:10px 16px;min-height:60px;flex-wrap:wrap;padding:6px 0}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:bold;font-size:18px}
.brand:hover{color:#fff}
.brand-logo{height:38px;width:auto;border-radius:6px;display:block}
.logo-dot{width:14px;height:14px;border-radius:50%;background:#7fb4ff;box-shadow:0 0 0 4px rgba(127,180,255,.35);flex:none}
.site-header nav{display:flex;gap:6px;flex-wrap:wrap}
.site-header nav a{color:#dbe9ff;padding:6px 14px;border-radius:999px;font-size:14px}
.site-header nav a:hover{background:rgba(255,255,255,.16);color:#fff}

/* بنر */
.hero{position:relative;overflow:hidden;color:#fff;text-align:center;padding:70px 0 90px;
  background:radial-gradient(circle at 20% 20%,#2f80ed 0,transparent 45%),linear-gradient(135deg,var(--b900),var(--b700) 60%,var(--b500))}
.hero-inner{position:relative;z-index:2}
.hero h1{margin:0 0 10px;font-size:clamp(26px,5vw,46px);text-shadow:0 4px 18px rgba(0,0,0,.25)}
.hero p{margin:0 auto;max-width:640px;font-size:clamp(14px,2.2vw,18px);color:#dbe9ff}
.hero-bubble{position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.b1{width:260px;height:260px;top:-90px;left:-60px}
.b2{width:180px;height:180px;bottom:-70px;right:12%}
.b3{width:90px;height:90px;top:30px;right:-20px;background:rgba(255,255,255,.12)}
.hero:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:40px;background:var(--b50);clip-path:ellipse(60% 100% at 50% 100%)}

.main{padding:34px 0 50px}
.section-title{margin:0 0 22px;color:var(--b800);font-size:22px;position:relative;padding-right:16px}
.section-title:before{content:"";position:absolute;right:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:var(--b500)}

/* کارت‌ها: تصویر کامل و بدون برش */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:24px;align-items:start}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s,box-shadow .2s;border:1px solid var(--b100)}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(18,80,196,.2)}
.card-img{display:block;background:var(--b100)}
.card-img img{display:block;width:100%;height:auto}
.card-body{padding:18px 20px 22px}
.card-body time,.single time{display:block;color:var(--muted);font-size:13px}
.card-body h3{margin:4px 0 8px;font-size:18px}
.card-body h3 a{color:var(--b800)}
.card-body p{margin:0 0 14px;color:#41506c}

.single{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;max-width:860px;margin:0 auto;border:1px solid var(--b100)}
.single h1{margin:0 0 4px;color:var(--b800);font-size:clamp(21px,4vw,30px)}
.single-img{display:block;margin:18px 0;background:var(--b100);border-radius:12px;overflow:hidden}
.single-img img{display:block;width:100%;height:auto}
.single-text{font-size:16px;line-height:2.1;margin-bottom:22px}

/* دکمه‌ها */
.btn{display:inline-block;border:0;cursor:pointer;font:inherit;background:linear-gradient(135deg,var(--b600),var(--b700));color:#fff;padding:9px 22px;border-radius:999px;transition:.2s;box-shadow:0 4px 12px rgba(18,80,196,.25);line-height:1.6;text-align:center}
.btn:hover{color:#fff;filter:brightness(1.1);transform:translateY(-1px)}
.btn-sm{padding:4px 14px;font-size:13px}
.btn-outline{background:#fff;color:var(--b700);border:1.5px solid var(--b200);box-shadow:none}
.btn-outline:hover{color:var(--b700);background:var(--b100)}
.btn-light{background:rgba(255,255,255,.16);box-shadow:none;border:1px solid rgba(255,255,255,.3)}
.btn-danger{background:linear-gradient(135deg,#e5484d,var(--danger))}
.btn-block{display:block;width:100%}

/* صفحه‌بندی */
.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:32px 0 0}
.pagination a,.pagination span{min-width:38px;text-align:center;padding:6px 12px;border-radius:10px;background:#fff;border:1px solid var(--b200);color:var(--b700)}
.pagination a:hover{background:var(--b100)}
.pagination .current{background:var(--b700);color:#fff;border-color:var(--b700)}
.pagination .disabled{opacity:.45}
.pagination .dots{border:0;background:none}

.empty{background:#fff;border:2px dashed var(--b200);border-radius:var(--radius);padding:36px 16px;text-align:center;color:var(--muted)}

/* فوتر */
.site-footer{background:var(--b900);color:#9fb8ea;text-align:center;padding:22px 0;font-size:13px;margin-top:auto}
.footer-links,.footer-social{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;margin-bottom:10px}
.footer-links a,.footer-social a{color:#dbe9ff}
.footer-social a{background:rgba(255,255,255,.1);padding:3px 14px;border-radius:999px}
.footer-social a:hover,.footer-links a:hover{color:#fff;background:rgba(255,255,255,.2)}
body{display:flex;flex-direction:column;min-height:100vh}
.main{flex:1 0 auto;width:min(1140px,94%);margin:0 auto}

/* ===== پیام‌ها و فرم‌ها ===== */
.alert{padding:11px 16px;border-radius:10px;margin:0 0 14px;font-size:14px}
.alert-success{background:#e3f7ee;color:#0b6b43;border:1px solid #b7e8d0}
.alert-error{background:#fde8eb;color:#a1182d;border:1px solid #f6c1c9}
.form label,.login-box label{display:block;margin-bottom:16px;font-weight:bold;color:var(--b800)}
input[type=text],input[type=password],input[type=number],input[type=file],select,textarea{display:block;width:100%;margin-top:6px;padding:10px 14px;border:1.5px solid var(--b200);border-radius:10px;font:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--b500);box-shadow:0 0 0 3px rgba(47,128,237,.18)}
input[type=checkbox]{width:auto;margin:0 0 0 8px;accent-color:var(--b600);transform:scale(1.15)}
.form small{display:block;font-weight:normal;margin-top:6px}
.form fieldset{border:1.5px solid var(--b100);border-radius:12px;margin:0 0 18px;padding:14px 18px 4px;min-width:0}
.form legend{padding:0 8px;color:var(--b700);font-weight:bold}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}
.check{font-weight:normal!important;color:var(--text)!important;display:block}
.current-img .check{color:var(--danger)!important}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.range-row{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.range-row input[type=range]{flex:1;accent-color:var(--b600)}
.range-row input[type=number]{width:90px;margin:0;text-align:center}
.current-img{background:var(--b50);border:1px solid var(--b100);border-radius:12px;padding:12px;margin-bottom:16px}
.current-img img{display:block;max-width:100%;max-height:360px;width:auto;height:auto;margin:8px 0;border-radius:8px}
.current-img .logo-prev{max-height:70px}
.inline-form{display:inline-block;margin:2px}
.sub{margin:18px 0 10px;color:var(--b700);font-size:16px}

/* ===== پنل مدیریت ===== */
.admin-top{background:linear-gradient(90deg,var(--b950),var(--b800));color:#fff;position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;padding:8px 16px;min-height:56px;box-shadow:0 2px 12px rgba(7,26,71,.35)}
.admin-top .brand{font-size:17px}
.top-actions{margin-right:auto;display:flex;align-items:center;gap:12px}
.who{font-size:13px;color:#cfe0ff}
.menu-btn{display:none;background:rgba(255,255,255,.15);border:0;color:#fff;font-size:22px;width:42px;height:42px;border-radius:10px;cursor:pointer}
.admin-layout{display:flex;align-items:flex-start;flex:1 0 auto;width:100%}
.sidebar{width:250px;flex:none;background:#fff;border-left:1px solid var(--b100);position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto;padding:14px 10px;display:flex;flex-direction:column}
.sidebar nav{display:flex;flex-direction:column;gap:4px}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;color:var(--text);font-size:14.5px}
.sidebar nav a:hover{background:var(--b100);color:var(--b700)}
.sidebar nav a.active{background:linear-gradient(135deg,var(--b600),var(--b700));color:#fff;box-shadow:0 4px 12px rgba(18,80,196,.25)}
.sidebar nav a.logout{color:var(--danger);margin-top:8px;border-top:1px solid var(--b100);border-radius:0 0 12px 12px}
.sidebar .ico{width:24px;text-align:center}
.sidebar .ver{margin-top:auto;padding-top:14px;text-align:center;font-size:12px;color:var(--muted)}
.admin-main{flex:1;min-width:0;padding:24px;max-width:1200px}
.page-title{margin:0 0 18px;color:var(--b800);font-size:24px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:20px}
.stat{background:#fff;border-radius:var(--radius);padding:16px;text-align:center;box-shadow:var(--shadow);border-top:4px solid var(--b500)}
.stat b{display:block;font-size:28px;color:var(--b700);line-height:1.4}
.stat span{color:var(--muted);font-size:13px}
.quick{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;border:1px solid var(--b100);margin-bottom:20px}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.panel-head h2{margin:0;color:var(--b800);font-size:19px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.cols{margin-bottom:20px}
.cols>.panel,.cols>.form{margin-bottom:0}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 12px;text-align:right;border-bottom:1px solid var(--b100);vertical-align:middle;overflow-wrap:anywhere}
th{background:var(--b50);color:var(--b800);font-size:13px;white-space:nowrap}
td.thumb{width:100px}
td.thumb img{display:block;width:84px;height:auto;border-radius:6px;border:1px solid var(--b100)}
td.actions{white-space:nowrap}
.fname{font-size:12px;word-break:break-all;min-width:220px}
.badge{display:inline-block;padding:1px 10px;border-radius:999px;font-size:12px;white-space:nowrap}
.badge.ok{background:#e3f7ee;color:#0b6b43}
.badge.warn{background:#fff3d6;color:#8a5a00}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;align-items:center}
.filters input,.filters select{margin:0;width:auto;flex:1 1 180px}
.bulk{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:12px}
.backup-actions{display:flex;flex-wrap:wrap;gap:14px}
.backup-actions form{display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.checks{list-style:none;padding:0;margin:0}
.checks li{padding:3px 0;font-size:14px}
.checks .ok{color:var(--ok)} .checks .bad{color:var(--danger)} .checks .warn{color:var(--warn)}

/* ===== ورود / نصب ===== */
.login-page,.install-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(circle at 15% 15%,#2f80ed 0,transparent 45%),linear-gradient(135deg,var(--b900),var(--b700))}
.login-box,.install-box{background:#fff;border-radius:18px;padding:30px;width:min(440px,100%);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.install-box{width:min(560px,100%);margin:auto}
.install-page{align-items:flex-start}
.login-box h1,.install-box h1{margin:0 0 4px;color:var(--b800);font-size:24px}
.install-box h3{color:var(--b700);margin:18px 0 8px}
.captcha-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:6px 0 8px}
.captcha-img{border-radius:10px;border:1.5px solid var(--b200);max-width:100%;height:auto;background:#fff}

/* ===== واکنش‌گرا: تبلت ===== */
@media (max-width:1024px){
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .sidebar{position:fixed;top:56px;right:0;bottom:0;height:auto;z-index:50;transform:translateX(100%);transition:transform .25s;box-shadow:-8px 0 30px rgba(0,0,0,.2);width:min(280px,82vw)}
  body.sidebar-open .sidebar{transform:none}
  body.sidebar-open:after{content:"";position:fixed;inset:56px 0 0 0;background:rgba(7,26,71,.45);z-index:45}
  .admin-main{padding:18px}
  .cols{grid-template-columns:1fr}
}

/* ===== واکنش‌گرا: موبایل ===== */
@media (max-width:640px){
  body{font-size:14.5px}
  .hero{padding:46px 0 64px}
  .main{padding:22px 0 36px}
  .single{padding:18px}
  .grid{grid-template-columns:1fr;gap:18px}
  .row2{grid-template-columns:1fr}
  .admin-main{padding:14px}
  .panel{padding:16px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat b{font-size:24px}
  .top-actions .who{display:none}
  .admin-top .brand{font-size:15px}
  .nav{justify-content:center}
  .btn{padding:10px 20px}
  .btn-sm{padding:6px 14px}
  input[type=text],input[type=password],input[type=number],select,textarea{font-size:16px}
  th,td{padding:8px 8px;font-size:13px}
  td.thumb{width:64px}
  td.thumb img{width:54px}
  .login-box,.install-box{padding:22px}
  .form-actions .btn{flex:1 1 100%}
  .backup-actions form,.backup-actions .btn{width:100%}
  .pagination a,.pagination span{padding:6px 10px;min-width:34px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}