/* ============================================================
   ServerNet UI (سرورنت فرایند) — the servernet.cloud design system
   ------------------------------------------------------------
   Tokens, background stage, and component polish lifted from the
   corporate site so the product reads as one family. Loads AFTER
   servernet-base.css (RTL + font) and servernet-dark.css (dark skin),
   and deliberately owns only presentation: colour, depth, motion.

   Both themes are first-class. The site is dark-first; this product is
   light-first (business users work in daylight), so the light palette
   is the default and .sn-dark opts into the site's night palette.
   ============================================================ */

/* ---------- design tokens: light (default) ---------- */
:root,
html.sn-light {
  --sn-bg:        #F3F5FB;
  --sn-bg2:       #FFFFFF;
  --sn-surface:   rgba(15,23,42,.035);
  --sn-surface-2: rgba(15,23,42,.06);
  --sn-line:      rgba(15,23,42,.10);
  --sn-line-2:    rgba(15,23,42,.17);
  --sn-text:      #0B1220;
  --sn-muted:     #45506B;
  --sn-dim:       #828CA6;
  --sn-grad-txt:  linear-gradient(100deg,#2563EB 0%,#0891B2 55%,#7C3AED 100%);
  --sn-blob-op:   .22;
  --sn-grid-ink:  rgba(15,23,42,.045);
  --sn-card-bg:   #FFFFFF;
}

/* ---------- design tokens: dark (site's native palette) ---------- */
html.sn-dark {
  --sn-bg:        #05070F;
  --sn-bg2:       #080B16;
  --sn-surface:   rgba(255,255,255,.035);
  --sn-surface-2: rgba(255,255,255,.06);
  --sn-line:      rgba(255,255,255,.08);
  --sn-line-2:    rgba(255,255,255,.14);
  --sn-text:      #E6EAF3;
  --sn-muted:     #8A94AC;
  --sn-dim:       #5B6478;
  --sn-grad-txt:  linear-gradient(100deg,#60A5FA 0%,#22D3EE 55%,#A78BFA 100%);
  --sn-blob-op:   .50;
  --sn-grid-ink:  rgba(255,255,255,.024);
  --sn-card-bg:   #0B0F1D;
}

/* shared across both themes */
:root {
  --sn-blue:   #3B82F6;
  --sn-cyan:   #22D3EE;
  --sn-violet: #8B5CF6;
  --sn-green:  #34D399;
  --sn-amber:  #F59E0B;
  --sn-red:    #EF4444;
  --sn-grad:   linear-gradient(100deg,#3B82F6,#22D3EE);
  --sn-r:      18px;
  --sn-r-lg:   24px;
  --sn-r-btn:  13px;
  --sn-ease:   cubic-bezier(.22,1,.36,1);
}

/* ============================================================
   1. Background stage — the site's aurora + grid, behind everything
   ============================================================ */

/* Painted on <body>::before/::after so no markup change is needed and
   the modeler canvas / Monaco keep their own opaque surfaces on top. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(46rem 30rem at 82% -8%,  rgba(59,130,246,var(--sn-blob-op)), transparent 62%),
    radial-gradient(40rem 26rem at 8%  108%, rgba(139,92,246,calc(var(--sn-blob-op) * .8)), transparent 62%),
    radial-gradient(34rem 22rem at 98%  92%, rgba(34,211,238,calc(var(--sn-blob-op) * .55)), transparent 62%),
    var(--sn-bg);
  filter: blur(0.5px);
  animation: sn-drift 26s var(--sn-ease) infinite alternate;
}

/* 56px engineering grid, masked so it fades away from the top */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--sn-grid-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--sn-grid-ink) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(90% 55% at 50% 0%, #000 38%, transparent 100%);
  mask-image: radial-gradient(90% 55% at 50% 0%, #000 38%, transparent 100%);
}

@keyframes sn-drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(38px, -26px) scale(1.06); }
  100% { transform: translate(-28px, 32px) scale(.97); }
}

/* the stage must not bleed through the BPMN canvas or the code editors */
.paper, .modeler-container, .monaco-editor, .CodeMirror {
  position: relative;
  z-index: 0;
}

/* ============================================================
   2. Buttons — the site's pill with the signature shine sweep
   ============================================================ */
.btn {
  border-radius: var(--sn-r-btn);
  font-weight: 600;
  transition: transform .22s var(--sn-ease), box-shadow .22s var(--sn-ease), filter .22s var(--sn-ease);
}
.btn-primary, .btn-success, .btn-danger, .btn-info, .btn-warning {
  position: relative;
  overflow: hidden;
  border: none;
}
/* the sweep: a skewed highlight that crosses the button on hover */
.btn-primary::after,
.btn-success::after,
.btn-danger::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg);
  transition: left .6s var(--sn-ease);
  pointer-events: none;
}
.btn-primary:hover::after,
.btn-success:hover::after,
.btn-danger:hover::after { left: 130%; }

.btn-primary:hover, .btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 34px rgba(34,211,238,.35);
}
.btn-danger:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(239,68,68,.32); }
.btn:active { transform: translateY(0) scale(.985); }

.btn-outline-primary, .btn-outline-secondary, .btn-outline-success, .btn-outline-danger {
  border-radius: var(--sn-r-btn);
  border-color: var(--sn-line-2);
}
.btn-outline-primary:hover, .btn-outline-secondary:hover {
  transform: translateY(-1px);
  border-color: var(--sn-blue);
}

/* ============================================================
   3. Cards & panels — glass surfaces with the site's radius
   ============================================================ */
.card {
  border-radius: var(--sn-r);
  border: 1px solid var(--sn-line);
  transition: transform .28s var(--sn-ease), box-shadow .28s var(--sn-ease), border-color .28s var(--sn-ease);
}
/* lift only where a card is an actionable tile, never on data panels —
   a table that jumps under the cursor reads as broken, not lively */
.sn-report-card:hover,
.card.process-card:hover,
.card-catalogue:hover {
  transform: translateY(-3px);
  border-color: var(--sn-line-2);
  box-shadow: 0 18px 44px -20px rgba(15,23,42,.35);
}
html.sn-dark .sn-report-card:hover,
html.sn-dark .card.process-card:hover,
html.sn-dark .card-catalogue:hover {
  box-shadow: 0 20px 50px -18px rgba(0,0,0,.7);
  border-color: rgba(34,211,238,.35);
}

/* gradient headline treatment, used sparingly on section titles */
.sn-grad-text {
  background: var(--sn-grad-txt);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: sn-shine 6s linear infinite;
}
@keyframes sn-shine { to { background-position: 200% center; } }

/* ============================================================
   4. Forms — the piece the user called out specifically
   ============================================================ */
.form-control,
.custom-select,
.multiselect__tags,
textarea.form-control {
  border-radius: 12px;
  border: 1px solid var(--sn-line-2);
  transition: border-color .2s var(--sn-ease), box-shadow .2s var(--sn-ease), background .2s var(--sn-ease);
}
.form-control:focus,
.custom-select:focus,
textarea.form-control:focus,
.multiselect--active .multiselect__tags {
  border-color: rgba(59,130,246,.65);
  box-shadow: 0 0 0 4px rgba(59,130,246,.15);
  outline: none;
}
.form-control::placeholder { color: var(--sn-dim); opacity: 1; }

/* labels read as quiet captions above their field */
.form-group > label,
label.small {
  font-weight: 600;
  font-size: 13px;
  color: var(--sn-muted);
  margin-bottom: .4rem;
}

/* input groups keep one continuous pill in RTL */
.input-group > .form-control { border-radius: 12px; }
[dir="rtl"] .input-group > .form-control:not(:first-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
[dir="rtl"] .input-group > .form-control:not(:last-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* checkboxes / switches get the brand gradient when on */
.custom-control-input:checked ~ .custom-control-label::before {
  background: var(--sn-grad);
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(59,130,246,.35);
}
.custom-switch .custom-control-label::before { transition: background .25s var(--sn-ease); }

/* ============================================================
   5. Chrome — navbar, sidebar, tabs, badges, modals
   ============================================================ */
.navbar, .main-header {
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--sn-line);
}

/* active nav item carries the brand underline */
.navbar-nav .nav-item.active > .nav-link,
.navbar-nav .nav-link.active {
  position: relative;
  font-weight: 600;
}
.navbar-nav .nav-item.active > .nav-link::after,
.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  inset-inline: 12px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--sn-grad);
}

.badge {
  border-radius: 8px;
  font-weight: 600;
  padding: .35em .6em;
}
.badge-success { background: rgba(52,211,153,.16); color: #0F9D6E; }
.badge-danger  { background: rgba(239,68,68,.16);  color: #DC2626; }
.badge-warning { background: rgba(245,158,11,.18); color: #B45309; }
html.sn-dark .badge-success { color: var(--sn-green); }
html.sn-dark .badge-danger  { color: #FCA5A5; }
html.sn-dark .badge-warning { color: #FCD34D; }

.modal-content {
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
  overflow: hidden;
}
.modal-header { border-bottom: 1px solid var(--sn-line); }
.modal-footer { border-top: 1px solid var(--sn-line); }

/* nav-tabs as segmented pills, matching the site's control styling */
.nav-tabs { border-bottom: 1px solid var(--sn-line); gap: 4px; }
.nav-tabs .nav-link {
  border: none;
  border-radius: 10px 10px 0 0;
  font-weight: 600;
  color: var(--sn-muted);
  transition: color .2s var(--sn-ease), background .2s var(--sn-ease);
}
.nav-tabs .nav-link:hover { background: var(--sn-surface); color: var(--sn-text); }
.nav-tabs .nav-link.active {
  color: var(--sn-blue);
  background: transparent;
  box-shadow: inset 0 -2px 0 0 var(--sn-blue);
}

/* alerts as soft tinted panels rather than flat blocks */
.alert { border-radius: 14px; border: 1px solid transparent; }
.alert-success { background: rgba(52,211,153,.12); border-color: rgba(52,211,153,.3); }
.alert-danger  { background: rgba(239,68,68,.10);  border-color: rgba(239,68,68,.28); }
.alert-info    { background: rgba(59,130,246,.10); border-color: rgba(59,130,246,.28); }
.alert-warning { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.3); }

/* ============================================================
   6. Motion — entrance, and a hard stop for reduced-motion users
   ============================================================ */
@keyframes sn-pane-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
.container-fluid > .row > [class^="col"] > .card,
.container > .row > [class^="col"] > .card {
  animation: sn-pane-in .45s var(--sn-ease) both;
}
/* stagger the first few so a grid of cards assembles rather than pops */
.row > [class^="col"]:nth-child(1) > .card { animation-delay: .02s; }
.row > [class^="col"]:nth-child(2) > .card { animation-delay: .06s; }
.row > [class^="col"]:nth-child(3) > .card { animation-delay: .10s; }
.row > [class^="col"]:nth-child(4) > .card { animation-delay: .14s; }

/* live status dot, as used on the site's uptime badges */
.sn-pulse {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--sn-green);
  animation: sn-pulse-ring 2s var(--sn-ease) infinite;
}
@keyframes sn-pulse-ring {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52,211,153,.6); }
  50%      { box-shadow: 0 0 0 6px rgba(52,211,153,0); }
}

/* scrollbars in the brand's key, not the OS default */
* { scrollbar-width: thin; scrollbar-color: var(--sn-line-2) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--sn-line-2);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--sn-blue); background-clip: content-box; }

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  .btn-primary::after, .btn-success::after, .btn-danger::after { transition: none; }
  .sn-grad-text, .sn-pulse { animation: none; }
  .container-fluid > .row > [class^="col"] > .card,
  .container > .row > [class^="col"] > .card { animation: none; }
  .btn:hover, .card:hover { transform: none !important; }
}
