/* ============================================================
   فونت فارسی IRANSans — کاملاً محلی (self-hosted)، بدون هیچ اتصال
   به فونت یا CDN خارجی.
   ============================================================ */
@font-face { font-family:'IRANSans'; src:url('../fonts/iransans-200-ultralight.woff2') format('woff2'); font-weight:200; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/iransans-300-light.woff2') format('woff2'); font-weight:300; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/iransans-400-regular.woff2') format('woff2'); font-weight:400; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/iransans-500-medium.woff2') format('woff2'); font-weight:500; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/iransans-700-bold.woff2') format('woff2'); font-weight:700; font-display:swap; }
@font-face { font-family:'IRANSans'; src:url('../fonts/iransans-900-black.woff2') format('woff2'); font-weight:900; font-display:swap; }

/* ============================================================
   توکن‌های طراحی
   ============================================================ */
:root{
  --font-base:'IRANSans', Tahoma, Arial, sans-serif;

  --color-bg:#F4F6F9;
  --color-bg-soft:#EEF1F6;
  --color-text:#1B2434;
  --color-text-soft:#3B4657;
  --color-primary:#215A8C;
  --color-primary-dark:#153F63;
  --color-primary-soft:#E8F0F9;
  --color-accent:#1F9169;
  --color-accent-soft:#E5F5EE;
  --color-danger:#C1402C;
  --color-danger-soft:#FBEAE7;
  --color-warning:#B87A15;
  --color-warning-soft:#FBF1DF;
  --color-violet:#6B3FB0;
  --color-violet-soft:#F0EAFA;
  --color-border:#E1E6ED;
  --color-border-soft:#EDF0F4;
  --color-surface:#FFFFFF;
  --color-muted:#6B7688;

  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-full:999px;

  --shadow-xs:0 1px 2px rgba(20,30,55,.05);
  --shadow-card:0 2px 10px rgba(20,30,55,.05), 0 1px 2px rgba(20,30,55,.04);
  --shadow-pop:0 12px 32px rgba(20,30,55,.14);

  --sidebar-w:264px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-base);
  background:var(--color-bg);
  color:var(--color-text);
  direction:rtl;
  font-size:14.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0 0 8px;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 8px;}
img{max-width:100%;display:block;}
::selection{background:var(--color-primary-soft);}

/* ---- آیکون ---- */
.icon{flex-shrink:0;vertical-align:-4px;}
.icon-inline{display:inline-flex;align-items:center;justify-content:center;}

/* ---- دکمه ---- */
.btn{
  display:inline-flex;align-items:center;gap:7px;justify-content:center;
  background:var(--color-primary);color:#fff;border:1px solid transparent;
  padding:10px 18px;border-radius:var(--radius-md);cursor:pointer;
  font-family:inherit;font-size:14px;font-weight:600;
  transition:background .15s var(--ease), box-shadow .15s var(--ease), transform .08s var(--ease);
  box-shadow:var(--shadow-xs);
}
.btn:hover{background:var(--color-primary-dark);}
.btn:active{transform:translateY(1px);}
.btn.secondary{background:var(--color-surface);color:var(--color-primary);border-color:var(--color-border);}
.btn.secondary:hover{background:var(--color-primary-soft);border-color:var(--color-primary);}
.btn.danger{background:var(--color-danger);}
.btn.danger:hover{background:#a3341f;}
.btn.success{background:var(--color-accent);}
.btn.success:hover{background:#177a57;}
.btn.ghost{background:transparent;color:var(--color-text-soft);box-shadow:none;border-color:transparent;}
.btn.ghost:hover{background:var(--color-bg-soft);}
.btn.sm{padding:6px 12px;font-size:12.5px;border-radius:var(--radius-sm);}
.btn.block{width:100%;}
.btn:disabled{opacity:.55;cursor:not-allowed;}

/* ---- فرم ---- */
label{display:block;font-weight:600;margin:12px 0 5px;font-size:13px;color:var(--color-text-soft);}
input,select,textarea{
  width:100%;padding:10px 13px;border:1.5px solid var(--color-border);border-radius:var(--radius-md);
  font-family:inherit;font-size:14px;background:var(--color-surface);color:var(--color-text);
  transition:border-color .15s var(--ease), box-shadow .15s var(--ease);
}
input:hover,select:hover,textarea:hover{border-color:#c7cfdb;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft);}
textarea{resize:vertical;min-height:80px;}
.form-row{display:flex;gap:14px;flex-wrap:wrap;}
.form-row > *{flex:1;min-width:160px;}
fieldset{border:1.5px solid var(--color-border-soft);border-radius:var(--radius-md);padding:12px 14px;}
legend{padding:0 6px;font-size:12.5px;font-weight:700;color:var(--color-muted);}

/* ---- کارت ---- */
.card{background:var(--color-surface);border:1px solid var(--color-border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:22px;margin-bottom:18px;}
.card h3{font-size:16px;display:flex;align-items:center;gap:8px;}
.grid{display:grid;gap:16px;}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr;}}

/* ---- جدول ---- */
table{width:100%;border-collapse:collapse;font-size:13.5px;}
table th,table td{padding:11px 10px;border-bottom:1px solid var(--color-border-soft);text-align:right;}
table th{color:var(--color-muted);font-weight:700;font-size:12.5px;background:var(--color-bg-soft);}
table tbody tr{transition:background .1s var(--ease);}
table tbody tr:hover{background:var(--color-bg-soft);}
.table-wrap{overflow-x:auto;border-radius:var(--radius-md);}

/* ---- نشان وضعیت ---- */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 11px;border-radius:var(--radius-full);font-size:11.5px;font-weight:700;white-space:nowrap;}
.badge.unpaid{background:var(--color-danger-soft);color:var(--color-danger);}
.badge.partial{background:var(--color-warning-soft);color:var(--color-warning);}
.badge.paid{background:var(--color-accent-soft);color:var(--color-accent);}
.badge.owner{background:var(--color-primary-soft);color:var(--color-primary);}
.badge.tenant{background:var(--color-violet-soft);color:var(--color-violet);}

/* ---- کارت آماری ---- */
.stat{background:var(--color-surface);border:1px solid var(--color-border-soft);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;}
.stat .icon-badge{width:38px;height:38px;border-radius:var(--radius-md);background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;margin-bottom:10px;}
.stat .num{font-size:23px;font-weight:800;letter-spacing:-.01em;}
.stat .lbl{color:var(--color-muted);font-size:12.5px;margin-top:2px;}

/* ---- پیام سیستمی ---- */
.flash{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:var(--radius-md);margin-bottom:14px;font-size:13.5px;font-weight:600;}
.flash.success{background:var(--color-accent-soft);color:var(--color-accent);}
.flash.error{background:var(--color-danger-soft);color:var(--color-danger);}
.flash.info{background:var(--color-primary-soft);color:var(--color-primary);}

/* ============================================================
   لایوت پنل مدیریت
   ============================================================ */
.admin-shell{display:flex;min-height:100vh;}
.admin-sidebar{
  width:var(--sidebar-w); background:var(--color-primary-dark); color:#fff;
  position:fixed; inset-inline-start:0; top:0; bottom:0; overflow-y:auto; z-index:40;
  transition:transform .2s var(--ease);
}
.admin-sidebar .brand{padding:22px 20px 18px;font-weight:800;font-size:15.5px;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.1);}
.admin-sidebar .brand .icon-badge{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.admin-sidebar nav{padding:10px 0 20px;}
.admin-sidebar nav a{display:flex;align-items:center;gap:11px;padding:11px 20px;color:#C3D4E6;font-size:13.5px;font-weight:500;transition:background .12s var(--ease), color .12s var(--ease);border-inline-start:3px solid transparent;}
.admin-sidebar nav a .icon{opacity:.85;}
.admin-sidebar nav a.active{background:rgba(255,255,255,.09);color:#fff;border-inline-start-color:var(--color-accent);}
.admin-sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.admin-sidebar nav a.logout-link{color:#EBB3A5;margin-top:8px;}
.admin-sidebar nav a.logout-link:hover{background:rgba(255,255,255,.06);color:#fff;}

.admin-main{margin-inline-start:var(--sidebar-w);flex:1;min-width:0;}
.admin-topbar{background:var(--color-surface);border-bottom:1px solid var(--color-border-soft);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:30;}
.admin-content{padding:24px;max-width:1400px;}
.hamburger{display:none;background:none;border:none;cursor:pointer;color:var(--color-text);padding:6px;border-radius:8px;}
.hamburger:hover{background:var(--color-bg-soft);}
.admin-user-chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text-soft);}
.admin-user-chip .avatar{width:30px;height:30px;border-radius:50%;background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12.5px;}

@media(max-width:880px){
  .admin-sidebar{transform:translateX(100%);box-shadow:var(--shadow-pop);}
  .admin-sidebar.open{transform:translateX(0);}
  .admin-main{margin-inline-start:0;}
  .hamburger{display:inline-flex;}
}

/* ============================================================
   لایوت پرتال ساکن — موبایل‌محور
   ============================================================ */
.res-shell{max-width:520px;margin:0 auto;padding-bottom:82px;min-height:100vh;background:var(--color-bg);}
.res-topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:var(--color-primary);color:#fff;position:sticky;top:0;z-index:30;}
.res-topbar h1{font-size:16px;margin:0;font-weight:700;}
.res-topbar .bell-link{position:relative;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);background:rgba(255,255,255,.14);color:#fff;}
.res-content{padding:18px 16px;}
.res-bottom-nav{position:fixed;bottom:0;inset-inline:0;max-width:520px;margin:0 auto;background:var(--color-surface);border-top:1px solid var(--color-border-soft);display:flex;z-index:40;box-shadow:0 -2px 12px rgba(20,30,55,.05);padding-bottom:env(safe-area-inset-bottom);}
.res-bottom-nav a{flex:1;text-align:center;padding:10px 4px 8px;font-size:10.5px;color:var(--color-muted);font-weight:600;display:flex;flex-direction:column;align-items:center;gap:3px;transition:color .12s var(--ease);}
.res-bottom-nav a.active{color:var(--color-primary);}
.res-bottom-nav a .icon{transition:transform .12s var(--ease);}
.res-bottom-nav a.active .icon{transform:translateY(-1px);}

.unit-card{background:var(--color-surface);border:1px solid var(--color-border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:18px;margin-bottom:14px;}
.balance-hero{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;border-radius:var(--radius-lg);padding:24px;margin-bottom:16px;box-shadow:var(--shadow-card);}
.balance-hero .lbl{font-size:13px;opacity:.85;}
.balance-hero .amount{font-size:27px;font-weight:800;margin-top:6px;letter-spacing:-.01em;}
.balance-hero .cur{font-size:13px;font-weight:400;opacity:.85;}
.balance-hero a{display:inline-flex;align-items:center;gap:5px;color:#fff;font-size:12.5px;margin-top:12px;opacity:.9;font-weight:600;}

.bell-dot{position:absolute;top:-3px;left:-3px;background:var(--color-danger);color:#fff;font-size:10px;font-weight:700;border-radius:50%;min-width:17px;height:17px;padding:0 3px;display:flex;align-items:center;justify-content:center;border:2px solid var(--color-primary);}

/* ---- ورود ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(180deg,var(--color-bg) 0%, var(--color-bg-soft) 100%);}
.login-card{width:100%;max-width:390px;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);padding:32px 28px;}
.login-card .brand-icon{width:56px;height:56px;border-radius:var(--radius-md);background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;}
.login-card h2{text-align:center;margin-bottom:4px;font-size:19px;}
.login-card .sub{text-align:center;color:var(--color-muted);font-size:13px;margin-bottom:20px;}
.tab-switch{display:flex;background:var(--color-bg-soft);border-radius:var(--radius-md);padding:4px;margin-bottom:18px;}
.tab-switch button{flex:1;background:none;border:none;padding:9px;border-radius:8px;cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:600;color:var(--color-muted);transition:all .15s var(--ease);}
.tab-switch button.active{background:var(--color-surface);color:var(--color-primary);box-shadow:var(--shadow-xs);}

.empty-state{text-align:center;padding:52px 20px;color:var(--color-muted);}
.empty-state .icon{color:#C7CFDB;margin-bottom:12px;}
.empty-state .msg{font-size:13.5px;}
.muted{color:var(--color-muted);}
.text-left{text-align:left;}
.mt-0{margin-top:0;}
.flex-center-gap{display:flex;align-items:center;gap:8px;}

/* ---- نوار پیشرفت نصب ---- */
.steps{display:flex;gap:8px;margin-bottom:22px;justify-content:center;}
.steps span{width:30px;height:30px;border-radius:50%;background:var(--color-border);color:var(--color-muted);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;transition:all .2s var(--ease);}
.steps span.active{background:var(--color-primary);color:#fff;}
.req-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--color-border-soft);font-size:13.5px;}
.req-row:last-child{border-bottom:none;}
.ok{color:var(--color-accent);font-weight:700;display:flex;align-items:center;gap:5px;}
.fail{color:var(--color-danger);font-weight:700;display:flex;align-items:center;gap:5px;}