:root{
  --primary:#2563eb;
  --primary-2:#60a5fa;
  --primary-3:#93c5fd;
  --bg:#f7fbff;
  --card:rgba(255,255,255,.78);
  --text:#0f172a;
  --muted:#475569;
  --border:rgba(15,23,42,.10);
  --shadow: 0 18px 50px rgba(2, 6, 23, .10);
  --shadow-sm: 0 10px 30px rgba(2, 6, 23, .08);
  --radius: 18px;
}

html, body { height: 100%; }

body{
  min-height:100vh;
  color: var(--text);
  background:
    radial-gradient(900px 420px at 15% 10%, rgba(147,197,253,.55), transparent 60%),
    radial-gradient(820px 380px at 85% 20%, rgba(96,165,250,.38), transparent 55%),
    radial-gradient(760px 360px at 50% 100%, rgba(37,99,235,.10), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* -------- App shell (sidebar layout) -------- */
.shell{
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}
.side{
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px 16px;
  background: rgba(255,255,255,.72);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.side-brand{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 16px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid rgba(37,99,235,.10);
  background: rgba(255,255,255,.65);
}
.side-logo{
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(37,99,235,.95), rgba(96,165,250,.9));
  box-shadow: 0 10px 24px rgba(37,99,235,.25);
}
.side-name{ font-weight: 700; letter-spacing: .3px; }

.side-nav{ display: grid; gap: 6px; }
.side-link{
  padding: 10px 12px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid transparent;
}
.side-link:hover{
  background: rgba(37,99,235,.08);
  border-color: rgba(37,99,235,.18);
}

.side-meta{
  margin-top: auto;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.65);
}
.side-chip{
  font-size: .85rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.side-chip span{ color: var(--text); font-weight: 600; }
.side-user{ font-size: .9rem; color: var(--muted); margin-bottom: 10px; }

.shell-main{ display: flex; flex-direction: column; min-width: 0; }
.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.topbar-title{ font-weight: 700; letter-spacing: .2px; }
.topbar-actions{ display: flex; align-items: center; gap: 10px; }
.topbar-burger{
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,.12);
  background: rgba(255,255,255,.75);
}
.topbar-burger span{ display:block; height:2px; background: rgba(15,23,42,.72); margin: 6px 10px; border-radius: 999px; }
.shell-content{ padding: 18px; }
.shell-footer{
  border-top: 1px solid var(--border);
  padding: 12px 18px;
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@media (max-width: 991.98px){
  .shell{ grid-template-columns: 1fr; }
  .side{ display: none; }
  .topbar-burger{ display: inline-flex; flex-direction: column; justify-content: center; }
  .shell-content{ padding: 14px; }
}

/* -------- Page loader / transitions -------- */
.page-loader{
  position: fixed;
  inset: 0;
  background: rgba(248, 250, 252, .65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
  z-index: 9999;
}
.page-loader.is-on{ opacity: 1; pointer-events: auto; }
.pl-card{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.78);
  box-shadow: var(--shadow-sm);
}
.pl-spinner{
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(37,99,235,.25);
  border-top-color: rgba(37,99,235,.95);
  animation: spin .7s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.pl-text{ font-weight: 600; color: var(--muted); }

/* -------- Login split layout -------- */
.auth-split{
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
}
.auth-hero{
  padding: 40px 40px 30px;
  display:flex;
  align-items:center;
}
.auth-hero-inner{ max-width: 640px; }
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(37,99,235,.16);
  background: rgba(255,255,255,.65);
  color: rgba(30,58,138,.95);
  font-weight: 600;
  margin-bottom: 16px;
}
.hero-badge .dot{ width: 10px; height: 10px; border-radius: 999px; background: rgba(37,99,235,.95); box-shadow: 0 0 0 6px rgba(37,99,235,.14); }
.hero-title{ font-size: clamp(26px, 4vw, 44px); font-weight: 800; line-height: 1.05; margin: 0 0 10px; }
.hero-grad{ background: linear-gradient(90deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip:text; color: transparent; }
.hero-sub{ color: var(--muted); font-size: 1.02rem; max-width: 52ch; }
.hero-stats{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.hero-stat{ padding: 12px; border-radius: 16px; border: 1px solid rgba(15,23,42,.10); background: rgba(255,255,255,.60); }
.hero-stat .k{ font-weight: 800; }
.hero-stat .v{ color: var(--muted); font-size: .9rem; }

.auth-form{ padding: 22px 18px; display:flex; align-items:center; justify-content:center; }
.auth-form-inner{ width: 100%; max-width: 520px; }
.auth-foot{ text-align: center; }

.btn-spinner{
  display:none;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.35);
  border-top-color: rgba(255,255,255,.95);
  border-radius: 999px;
  animation: spin .7s linear infinite;
  margin-left: 10px;
}
.btn[disabled] .btn-spinner{ display:inline-block; }

@media (max-width: 991.98px){
  .auth-split{ grid-template-columns: 1fr; }
  .auth-hero{ display:none; }
}

/* -------- Dashboard header -------- */
.dash-header{ display:flex; align-items:flex-end; justify-content:space-between; gap: 14px; margin-bottom: 16px; }
.dash-title{ font-size: 1.6rem; font-weight: 800; margin: 0; }
.dash-sub{ color: var(--muted); }
.dash-badges{ display:flex; align-items:center; gap: 12px; }
.dash-usage{ text-align:right; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap: 12px; }
.section-kicker{ font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(71,85,105,.9); }

@media (max-width: 575.98px){
  .dash-header{ flex-direction: column; align-items:flex-start; }
  .dash-badges{ width:100%; justify-content: space-between; }
  .dash-usage{ text-align:left; }
}

/* Decorative animated backdrop */
.app-bg{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.app-bg::before,
.app-bg::after{
  content:"";
  position:absolute;
  inset:-20%;
  background:
    radial-gradient(circle at 20% 20%, rgba(96,165,250,.45), transparent 55%),
    radial-gradient(circle at 80% 30%, rgba(37,99,235,.25), transparent 60%),
    radial-gradient(circle at 55% 85%, rgba(147,197,253,.35), transparent 55%);
  filter: blur(20px);
  transform: translate3d(0,0,0);
  animation: floaty 14s ease-in-out infinite;
}
.app-bg::after{
  opacity:.55;
  inset:-30%;
  filter: blur(32px);
  animation-duration: 18s;
  animation-direction: reverse;
}

@keyframes floaty{
  0%{ transform: translate3d(-1%, -1%, 0) scale(1); }
  50%{ transform: translate3d(2%, 1%, 0) scale(1.02); }
  100%{ transform: translate3d(-1%, -1%, 0) scale(1); }
}

/* Subtle noise overlay for “premium” look */
.app-bg .noise{ display:none; }
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    repeating-linear-gradient(0deg, rgba(2,6,23,.028), rgba(2,6,23,.028) 1px, transparent 1px, transparent 3px),
    repeating-linear-gradient(90deg, rgba(2,6,23,.018), rgba(2,6,23,.018) 1px, transparent 1px, transparent 4px);
  opacity: .35;
  mix-blend-mode: soft-light;
}

/* Navbar: glassy, more professional */
.navbar{
  background: rgba(255,255,255,.72) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.navbar-brand{
  letter-spacing: .4px;
}

/* Page entrance */
html.js .app-page{ opacity: 0; transform: translateY(8px); }
html.js.is-loaded .app-page{ opacity: 1; transform: translateY(0); transition: opacity .35s ease, transform .35s ease; }

/* Cards */
.card{
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Auth card: stronger presence */
.auth-wrap .auth-card{
  box-shadow: var(--shadow);
  border: 1px solid rgba(37,99,235,.14);
  position: relative;
  overflow: hidden;
}
.auth-wrap .auth-card::before{
  content:"";
  position:absolute;
  top:-2px; left:-2px; right:-2px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--primary-3));
  opacity: .9;
}

/* Small brand mark */
.app-mark{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(37,99,235,.95), rgba(96,165,250,.9));
  box-shadow: 0 10px 24px rgba(37,99,235,.25);
  display:grid;
  place-items:center;
  position: relative;
  overflow:hidden;
}
.app-mark::after{
  content:"";
  position:absolute;
  inset:-60%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), transparent 55%);
  transform: rotate(18deg);
}
.app-mark span{
  position: absolute;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
}
.app-mark span:nth-child(1){ transform: translateY(-6px); opacity:.95; }
.app-mark span:nth-child(2){ transform: translateY(0); opacity:.85; }
.app-mark span:nth-child(3){ transform: translateY(6px); opacity:.75; }

/* Inputs */
.form-control, .form-select{
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,.14);
  background: rgba(255,255,255,.88);
}
.form-control:focus, .form-select:focus{
  border-color: rgba(37,99,235,.65);
  box-shadow: 0 0 0 .25rem rgba(37,99,235,.16);
}
.form-text{ color: rgba(71,85,105,.85) !important; }

/* Buttons */
.btn{
  border-radius: 14px;
}
.btn-primary{
  background: linear-gradient(180deg, var(--primary), #1d4ed8);
  border: none;
  box-shadow: 0 12px 26px rgba(37,99,235,.25);
}
.btn-primary:hover{ filter: brightness(.98); transform: translateY(-1px); }
.btn-primary:active{ transform: translateY(0); }

.btn-glow{
  position: relative;
  overflow: hidden;
}
.btn-glow::after{
  content:"";
  position:absolute;
  top:-50%;
  left:-35%;
  width: 70%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
  transform: rotate(18deg) translateX(-120%);
}
html.js.is-loaded .btn-glow:hover::after{
  transition: transform .65s ease;
  transform: rotate(18deg) translateX(220%);
}

.btn-outline-danger, .btn-outline-warning, .btn-outline-primary{
  border-width: 1px;
}

/* Alerts a bit softer */
.alert{
  border-radius: 14px;
  border: 1px solid rgba(2,6,23,.08);
}

code{
  background: rgba(37,99,235,.08);
  border: 1px solid rgba(37,99,235,.18);
  padding: .15rem .35rem;
  border-radius: 8px;
  color: #1e3a8a;
}

.table{ --bs-table-bg: transparent; }

footer{
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .app-bg::before, .app-bg::after{ animation: none !important; }
  html.js .app-page, html.js.is-loaded .app-page{ transition: none !important; }
  .btn-primary:hover{ transform: none; }
  .btn-glow::after{ display:none; }
}