/*
  Prostir — Modern SaaS UI (saas-v1)
  Clean, minimal, product-like (Notion / Linear / Vercel feel).
  This file intentionally overrides Bootstrap visuals without changing backend logic.
*/

/* =========================
   Design tokens (Light)
   ========================= */
:root{
  --ui-font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  /* neutrals */
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f6f6f6;
  --surface-3: #f1f1f1;
  --text: #0a0a0a;
  --ua-text: var(--text);
  --muted: rgba(10,10,10,.62);
  --muted-2: rgba(10,10,10,.48);
  --border: rgba(17,24,39,.10);
  --border-2: rgba(17,24,39,.07);

  /* brand */
  --link: #2563eb;        /* blue */
  --brand: #111827;       /* near-black (Vercel-like primary button) */
  --brand-2: #0b1220;

  /* states */
  --success: #16a34a;
  --danger: #ef4444;
  --warning:#f59e0b;

  /* radii & shadows */
  --r-lg: 16px;
  --r: 12px;
  --r-sm: 10px;
  --r-xs: 8px;
  --shadow: 0 1px 2px rgba(0,0,0,.05);
  --shadow-lg: 0 16px 40px rgba(0,0,0,.10);
  --ring: 0 0 0 4px rgba(37,99,235,.18);

  --max: 1180px;
}

/* Optional dark theme support (kept conservative) */
html[data-theme="dark"]{
  --bg: #0b0f17;
  --surface: #0f1522;
  --surface-2: #111a2a;
  --surface-3: #0c1220;
  --text: #f5f7fb;
  --muted: rgba(245,247,251,.62);
  --muted-2: rgba(245,247,251,.48);
  --border: rgba(255,255,255,.12);
  --border-2: rgba(255,255,255,.08);
  --link: #7aa7ff;
  --brand: #f5f7fb;
  --brand-2: #e6ebf5;
  --shadow: 0 1px 2px rgba(0,0,0,.35);
  --shadow-lg: 0 18px 50px rgba(0,0,0,.55);
  --ring: 0 0 0 4px rgba(122,167,255,.22);
}

*{box-sizing:border-box}
html,body{height:100%}
body.ua-body{
  font-family: var(--ui-font);
  color: var(--text);
  background: var(--bg);
}

/* =========================
   Bootstrap soft override
   ========================= */
:root{
  --bs-body-font-family: var(--ui-font);
  --bs-body-color: var(--text);
  --bs-body-bg: var(--bg);
  --bs-border-color: var(--border);
  --bs-border-radius: var(--r);
  --bs-border-radius-sm: var(--r-sm);
  --bs-border-radius-lg: var(--r-lg);
  --bs-primary: var(--link);
  --bs-link-color: var(--link);
  --bs-link-hover-color: var(--link);
  --bs-success: var(--success);
  --bs-danger: var(--danger);
  --bs-warning: var(--warning);
  --bs-box-shadow: var(--shadow);
}

/* links */
a{color:var(--link); text-decoration:none}
a:hover{opacity:.92}

/* Typography */
h1,h2,h3,h4,h5{
  letter-spacing:-.02em;
}
.ua-display{
  font-weight: 800;
  letter-spacing: -.03em;
}
.ua-lead{
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}
.ua-sub{color:var(--muted);}

/* Layout */
.ua-container{max-width: var(--max);}
.ua-main{padding: 1.25rem 0 2.25rem;}
@media (min-width:992px){
  .ua-main{padding: 1.75rem 0 2.75rem;}
}

/* =========================
   Header / navigation
   ========================= */
.ua-topline{
  background: transparent;
  border-bottom: 1px solid var(--border-2);
}
.ua-topline-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: .5rem 0;
  font-size: .88rem;
  color: var(--muted);
}
.ua-flag{display:flex; align-items:center; gap:.55rem}
.ua-flag-dot{
  width: 10px; height: 10px; border-radius: 999px;
  background: linear-gradient(180deg, #2563eb 0 50%, #fbbf24 50% 100%);
  box-shadow: 0 0 0 6px rgba(37,99,235,.08);
}

.ua-nav{
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1070;
}
html[data-theme="dark"] .ua-nav{
  background: rgba(15,21,34,.78);
  backdrop-filter: saturate(140%) blur(10px);
}
.ua-nav::after{display:none}


/* Navbar toggle */
.navbar-toggler{
  border: 1px solid var(--border)!important;
  border-radius: 10px!important;
  padding: .35rem .55rem!important;
}
.navbar-toggler:focus{box-shadow: var(--ring)!important}


.ua-brand{display:flex; align-items:center; gap:.6rem}
.ua-brand-mark{
  width: 30px; height: 30px; border-radius: 10px;
  background: linear-gradient(145deg, var(--brand) 0%, var(--brand-2) 100%);
  box-shadow: 0 10px 24px rgba(0,0,0,.12);
}
html[data-theme="dark"] .ua-brand-mark{
  background: linear-gradient(145deg, #1c2433 0%, #0f1522 100%);
  box-shadow: 0 10px 24px rgba(0,0,0,.55);
}

.ua-nav .navbar-brand{font-weight: 800; letter-spacing:-.02em}

.ua-navlinks .nav-link{
  font-weight: 600;
  color: var(--text);
  opacity: .78;
  border-radius: 10px;
  padding: .45rem .65rem;
}
.ua-navlinks .nav-link:hover{opacity:1; background: rgba(17,24,39,.04)}
html[data-theme="dark"] .ua-navlinks .nav-link:hover{background: rgba(255,255,255,.06)}
.ua-navlinks .nav-link.active{
  opacity:1;
  background: rgba(37,99,235,.10);
  color: var(--text);
}
html[data-theme="dark"] .ua-navlinks .nav-link.active{
  background: rgba(122,167,255,.16);
  color: var(--text);
}

/* Search in navbar */
.input-group-text{
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--muted);
}
html[data-theme="dark"] .input-group-text{background: var(--surface-2);}

/* =========================
   Buttons
   ========================= */
.btn{
  border-radius: var(--r-sm);
  font-weight: 600;
  border: 1px solid var(--border);
  padding: .52rem .85rem;
  box-shadow: none;
}
.btn:focus{box-shadow: var(--ring)!important}
.btn-primary{
  background: var(--brand)!important;
  border-color: var(--brand)!important;
  color: #fff!important;
}
.btn-primary:hover{background: var(--brand-2)!important; border-color: var(--brand-2)!important}
.btn-outline-secondary{
  background: var(--surface)!important;
  color: var(--text)!important;
  border-color: var(--border)!important;
}
.btn-outline-secondary:hover{background: var(--surface-2)!important}
.btn-outline-primary{
  color: var(--link)!important;
  border-color: rgba(37,99,235,.35)!important;
  background: transparent!important;
}
.btn-outline-primary:hover{background: rgba(37,99,235,.08)!important}
.btn-danger{
  background: var(--danger)!important;
  border-color: var(--danger)!important;
  color:#fff!important;
}
.btn-outline-danger{
  color: var(--danger)!important;
  border-color: rgba(239,68,68,.35)!important;
  background: transparent!important;
}
.btn-outline-danger:hover{background: rgba(239,68,68,.08)!important}
.btn-sm{padding:.35rem .65rem; border-radius: var(--r-xs)}
.btn-lg{padding:.75rem 1.05rem; border-radius: var(--r)}

/* =========================
   Forms
   ========================= */
.form-control,
.form-select,
textarea.form-control{
  border-radius: var(--r-sm);
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}
.form-control:focus,
.form-select:focus,
textarea.form-control:focus{
  border-color: rgba(37,99,235,.45);
  box-shadow: var(--ring);
}
.form-control::placeholder{color: var(--muted-2)}
.form-label{font-weight:600}
.form-check-input:focus{box-shadow: var(--ring)}
.form-check-input:checked{background-color: var(--link); border-color: var(--link)}

/* =========================
   Cards / surfaces
   ========================= */
.ua-card,
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
}
.ua-card{transition: transform .12s ease, box-shadow .12s ease}
.ua-card:hover{transform: translateY(-1px); box-shadow: var(--shadow-lg)}
.ua-glass{backdrop-filter:none}
.ua-section{margin: 1rem 0}
.ua-section-title{font-weight:800; letter-spacing:-.02em}

/* Page head */
.ua-pagehead{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}
.ua-pagehead h1{margin:0; font-size: 1.35rem; font-weight: 800}
.ua-pagehead .ua-sub{margin-top:.2rem}

/* Hero */
.ua-hero{
  border-radius: calc(var(--r-lg) + 6px);
  border: 1px solid var(--border);
  background:
    radial-gradient(600px 220px at 10% 0%, rgba(37,99,235,.10), transparent 60%),
    radial-gradient(520px 200px at 80% 0%, rgba(17,24,39,.06), transparent 60%),
    var(--surface);
  box-shadow: var(--shadow);
  overflow:hidden;
}
html[data-theme="dark"] .ua-hero{
  background:
    radial-gradient(600px 220px at 10% 0%, rgba(122,167,255,.18), transparent 60%),
    radial-gradient(520px 200px at 80% 0%, rgba(255,255,255,.06), transparent 60%),
    var(--surface);
}
.ua-hero-inner{padding: 1.25rem 0}

/* Search card */
.ua-searchcard{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: 1rem;
}

/* Chips */
.ua-chip{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding: .45rem .7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: .92rem;
}
.ua-chip:hover{background: var(--surface-2)}

/* Media */
.ua-card-media{border-radius: var(--r); overflow:hidden; border:1px solid var(--border-2); background: var(--surface-2)}
.ua-card-img{width:100%; height: 180px; object-fit:cover; display:block}
.ua-card-media--sm .ua-card-img{height: 120px}
.ua-card-img--sm{height:120px}
.ua-card-img--lg{height:220px}
.ua-thumb{width:44px; height:44px; border-radius: 12px; object-fit:cover; border:1px solid var(--border)}
.ua-thumb-lg{width:64px; height:64px; border-radius: 16px}

/* Avatar / profile */
.ua-avatar{
  width: 86px; height: 86px;
  border-radius: 22px;
  border: 1px solid var(--border);
  object-fit: cover;
  background: var(--surface-2);
}
.ua-avatar--empty{
  display:flex; align-items:center; justify-content:center;
  color: var(--muted);
}
.ua-profile-hero{
  border: 1px solid var(--border);
  border-radius: calc(var(--r-lg) + 6px);
  overflow:hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.ua-profile-cover{
  height: 180px;
  background:
    radial-gradient(700px 240px at 20% 0%, rgba(37,99,235,.12), transparent 60%),
    radial-gradient(700px 240px at 90% 20%, rgba(17,24,39,.06), transparent 60%),
    var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.ua-profile-cover.has-image{
  background-size: cover;
  background-position:center;
}
.ua-profile-head{padding: 1rem 0}

/* Metric pills */
.ua-metric{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding: .35rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: .92rem;
}
.ua-metric i{opacity:.85}

/* =========================
   Lists / nav
   ========================= */
.ua-sidenav .list-group-item{
  border: 0;
  border-radius: 10px!important;
  margin-bottom: 4px;
  padding: .55rem .65rem;
  color: var(--text);
}
.ua-sidenav .list-group-item:hover{
  background: rgba(17,24,39,.04);
}
html[data-theme="dark"] .ua-sidenav .list-group-item:hover{background: rgba(255,255,255,.06)}
.ua-sidenav .list-group-item.active{
  background: rgba(37,99,235,.10);
  color: var(--text);
}
.ua-sidenav .badge{font-weight:700}

/* =========================
   Alerts / badges / misc
   ========================= */
.alert{
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.alert-danger{border-color: rgba(239,68,68,.18)}
.alert-success{border-color: rgba(22,163,74,.18)}
.alert-warning{border-color: rgba(245,158,11,.18)}

.badge{
  border-radius: 999px;
  font-weight: 700;
}
.text-bg-light{background: var(--surface-2)!important; color: var(--text)!important; border:1px solid var(--border)}
.text-bg-secondary{background: rgba(17,24,39,.06)!important; color: var(--text)!important; border:1px solid var(--border)}
.text-bg-primary{background: rgba(37,99,235,.12)!important; color: var(--text)!important; border:1px solid rgba(37,99,235,.22)}
.text-bg-success{background: rgba(22,163,74,.14)!important; color: var(--text)!important; border:1px solid rgba(22,163,74,.20)}
.text-bg-warning{background: rgba(245,158,11,.16)!important; color: var(--text)!important; border:1px solid rgba(245,158,11,.22)}
.text-bg-danger{background: rgba(239,68,68,.14)!important; color: var(--text)!important; border:1px solid rgba(239,68,68,.22)}
.text-bg-dark{background: rgba(17,24,39,.90)!important; color: #fff!important; border:1px solid rgba(17,24,39,.15)}

/* Pagination */
.pagination .page-link{
  border-radius: 10px;
  border-color: var(--border);
  color: var(--text);
  margin: 0 2px;
}
.pagination .page-item.active .page-link{
  background: rgba(37,99,235,.12);
  border-color: rgba(37,99,235,.22);
  color: var(--text);
}
.pagination .page-link:focus{box-shadow: var(--ring)}
.pagination .page-link:hover{background: var(--surface-2)}

/* Tables */
.table{
  color: var(--text);
}
.table>:not(caption)>*>*{border-color: var(--border)}
.table thead th{color: var(--muted); font-weight:700; font-size:.9rem}
.table-hover tbody tr:hover{background: rgba(17,24,39,.03)}
html[data-theme="dark"] .table-hover tbody tr:hover{background: rgba(255,255,255,.04)}

/* Progress bar */
.progress{background: var(--surface-3); border-radius: 999px}
.progress-bar{background: var(--link)}

/* =========================
   Rich text display
   ========================= */
.ua-richtext{
  color: var(--text);
}
.ua-richtext-content{
  color: var(--text);
  line-height: 1.7;
}
.ua-richtext-content p{margin:0 0 .85rem}
.ua-richtext-content h1,
.ua-richtext-content h2,
.ua-richtext-content h3{margin:1.1rem 0 .6rem; font-weight:800}
.ua-richtext-content blockquote{
  margin: .9rem 0;
  padding: .75rem 1rem;
  border-left: 3px solid rgba(37,99,235,.35);
  background: rgba(37,99,235,.06);
  border-radius: 12px;
  color: var(--text);
}
.ua-richtext-content pre{
  background: #0b1220;
  color: #e6ebf5;
  border-radius: 14px;
  padding: .9rem 1rem;
  overflow:auto;
}
.ua-richtext-content code{
  background: rgba(17,24,39,.06);
  border: 1px solid var(--border);
  padding: .05rem .35rem;
  border-radius: 8px;
}

/* =========================
   Empty state
   ========================= */
.ua-empty{
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  padding: 2rem 1.25rem;
  text-align:center;
  box-shadow: var(--shadow);
}
.ua-empty .i{
  width: 46px; height: 46px;
  margin: 0 auto .75rem;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(37,99,235,.08);
  border: 1px solid rgba(37,99,235,.18);
  color: var(--text);
  font-size: 1.25rem;
}
.ua-empty .t{font-weight:800; font-size: 1.15rem}
.ua-empty .d{color: var(--muted); margin-top:.35rem}

/* =========================
   Ads slot
   ========================= */
.ua-ad{
  display:flex;
  gap: 1rem;
  align-items: stretch;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.ua-ad-img{
  width: 112px; height: 84px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.ua-ad-img--sm{width: 92px; height: 72px}
.ua-ad-img--md{width: 132px; height: 92px}
.ua-ad-body{min-width:0}
.ua-ad-label{font-size:.78rem; color: var(--muted); text-transform: uppercase; letter-spacing:.06em}
.ua-ad-title{font-weight: 800; margin-top:.15rem}
.ua-ad-link{color: var(--link)}
.ua-ad-cta{margin-top:.6rem}

/* =========================
   Rich-text editor (from app.js)
   ========================= */
.ua-editor-hidden{display:none!important}
.ua-editor-wrap{
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.ua-editor-toolbar{
  display:flex;
  flex-wrap:wrap;
  gap: .25rem;
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.ua-editor-btn{
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: .35rem .55rem;
  font-size: .95rem;
}
.ua-editor-btn:hover{background: var(--surface-2)}
.ua-editor-sep{width: 10px}
.ua-editor{
  padding: .75rem .85rem;
  min-height: 240px;
  outline: none;
}
.ua-editor:focus{box-shadow: inset var(--ring)}



/* =========================
   Dropdowns / offcanvas / modal
   ========================= */
.dropdown-menu{
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: .4rem;
  background: var(--surface);
}
.dropdown-item{
  border-radius: 10px;
  padding: .5rem .6rem;
  font-weight: 600;
  color: var(--text);
}
.dropdown-item:hover{background: rgba(17,24,39,.04)}
html[data-theme="dark"] .dropdown-item:hover{background: rgba(255,255,255,.06)}
.dropdown-divider{border-top-color: var(--border)}

.offcanvas,
.modal-content{
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
}
.offcanvas-header,
.modal-header{border-bottom: 1px solid var(--border)}
.modal-footer{border-top: 1px solid var(--border)}
.btn-close{filter: none; opacity:.65}
.btn-close:hover{opacity:1}

/* Tabs */
.nav-tabs{
  border-bottom: 1px solid var(--border);
}
.nav-tabs .nav-link{
  border: 0;
  color: var(--muted);
  font-weight: 700;
  border-radius: 10px 10px 0 0;
}
.nav-tabs .nav-link:hover{color: var(--text); background: rgba(17,24,39,.03)}
.nav-tabs .nav-link.active{
  color: var(--text);
  background: rgba(37,99,235,.10);
}

/* =========================
   Footer
   ========================= */
.ua-footer{
  margin-top: 2rem;
  padding: 1.25rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}
.ua-footer a{color: var(--muted)}
.ua-footer a:hover{color: var(--text)}