/* =====================================================================
   LTEC Digital Platform — Design System
   Developer: PKC Company Limited
   Theme: Warm gold (#F5B301) + charcoal — inspired by LTEC brand poster
   ===================================================================== */
@import url('/assets/fonts/font.css');

:root{
  /* Brand (overridable by super-admin settings via JS) */
  --primary:#F5B301;
  --primary-600:#e0a400;
  --primary-700:#c78f00;
  --primary-soft:#FFF6DC;
  --accent:#1F2933;
  --accent-2:#2b3947;

  /* Neutrals */
  --bg:#f4f6fa;
  --bg-2:#eef1f6;
  --surface:#ffffff;
  --surface-2:#fbfcfe;
  --border:#e6e9f0;
  --border-strong:#d4d9e3;
  --text:#1a2230;
  --text-2:#5b6675;
  --text-3:#95a0b0;

  /* Semantic */
  --success:#18a558; --success-soft:#e4f7ec;
  --warning:#f59e0b; --warning-soft:#fef3e2;
  --danger:#e5484d;  --danger-soft:#fdecec;
  --info:#2b7fff;    --info-soft:#e8f1ff;

  /* Shape & motion */
  --r-sm:10px; --r:16px; --r-lg:22px; --r-xl:28px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.05);
  --shadow:0 4px 16px rgba(16,24,40,.08);
  --shadow-lg:0 18px 50px -12px rgba(16,24,40,.22);
  --shadow-gold:0 12px 30px -8px rgba(245,179,1,.45);
  --ring:0 0 0 4px rgba(245,179,1,.25);
  --ease:cubic-bezier(.4,0,.2,1);
  --sidebar-w:270px;
  font-family:'Noto Serif Lao', ui-serif, Georgia, serif;
}

/* ---- Dark mode ---- */
:root[data-theme="dark"]{
  --bg:#0f141b; --bg-2:#0b0f15; --surface:#161d27; --surface-2:#1b2430;
  --border:#25303d; --border-strong:#31404f;
  --text:#eef2f7; --text-2:#a9b4c2; --text-3:#6b7787;
  --primary-soft:#2a2410; --accent:#0b0f15;
  --shadow:0 6px 24px rgba(0,0,0,.4); --shadow-lg:0 20px 55px -12px rgba(0,0,0,.6);
  --success-soft:#12271b; --warning-soft:#2a2110; --danger-soft:#2a1414; --info-soft:#101f30;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Noto Serif Lao', ui-serif, Georgia, serif;
  background:var(--bg); color:var(--text);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  line-height:1.55; font-size:15px;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--primary);color:var(--accent)}

/* Scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:20px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:var(--text-3)}

/* ===================== Utilities ===================== */
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-1{gap:6px}.gap-2{gap:10px}.gap-3{gap:16px}.gap-4{gap:22px}
.grid{display:grid}.wrap{flex-wrap:wrap}.col{flex-direction:column}
.muted{color:var(--text-2)}.dim{color:var(--text-3)}
.mono{font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:.85em}
.text-c{text-align:center}.text-r{text-align:right}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-2{margin-bottom:16px}
.grow{flex:1}.nowrap{white-space:nowrap}.pointer{cursor:pointer}
.hide{display:none!important}

/* ===================== Buttons ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-sm);border:1px solid transparent;
  font-weight:600;cursor:pointer;transition:.18s var(--ease);white-space:nowrap;
  background:var(--surface-2);color:var(--text);border-color:var(--border);
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-600));color:#1a1400;border:none;box-shadow:var(--shadow-gold)}
.btn-primary:hover{box-shadow:0 16px 36px -8px rgba(245,179,1,.6)}
.btn-dark{background:var(--accent);color:#fff;border:none}
.btn-ghost{background:transparent;border-color:transparent}
.btn-ghost:hover{background:var(--bg-2)}
.btn-danger{background:var(--danger);color:#fff;border:none}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:9px}
.btn-icon{padding:9px;width:40px;height:40px;border-radius:11px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ===================== Badges & chips ===================== */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:100px;font-size:12px;font-weight:600;background:var(--bg-2);color:var(--text-2)}
.badge.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge-success{background:var(--success-soft);color:var(--success)}
.badge-warning{background:var(--warning-soft);color:var(--warning)}
.badge-danger{background:var(--danger-soft);color:var(--danger)}
.badge-info{background:var(--info-soft);color:var(--info)}
.badge-primary{background:var(--primary-soft);color:var(--primary-700)}

/* ===================== Cards ===================== */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:.25s var(--ease)}
.card-pad{padding:22px}
.card-h{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.card-h h3{font-size:16px}
.card:hover{box-shadow:var(--shadow)}

/* ===================== Forms ===================== */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600;color:var(--text-2)}
.input,.select,textarea.input{
  width:100%;padding:11px 14px;border:1.5px solid var(--border-strong);border-radius:var(--r-sm);
  background:var(--surface);color:var(--text);transition:.18s var(--ease);outline:none;
}
.input:focus,.select:focus,textarea.input:focus{border-color:var(--primary);box-shadow:var(--ring)}
.input::placeholder{color:var(--text-3)}
.select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2395a0b0' stroke-width='2.5'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}

/* ===================== Tables ===================== */
.table-wrap{overflow-x:auto;border-radius:var(--r);border:1px solid var(--border)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
table.tbl th{text-align:left;padding:13px 16px;background:var(--surface-2);color:var(--text-2);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--border);position:sticky;top:0}
table.tbl td{padding:13px 16px;border-bottom:1px solid var(--border)}
table.tbl tbody tr{transition:.12s}
table.tbl tbody tr:hover{background:var(--primary-soft)}
table.tbl tbody tr:last-child td{border-bottom:none}

/* ===================== App shell ===================== */
.app{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:var(--accent);color:#e8edf3;
  display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:40;
  transition:transform .3s var(--ease);
}
.sidebar .brand{display:flex;align-items:center;gap:12px;padding:22px 20px 18px}
.sidebar .brand .logo{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-700));color:#1a1400;font-weight:800;font-size:20px;box-shadow:var(--shadow-gold)}
.sidebar .brand .t1{font-weight:800;font-size:17px;color:#fff;line-height:1.1}
.sidebar .brand .t2{font-size:11px;color:#9fb0c2}
.nav{flex:1;overflow-y:auto;padding:8px 12px}
.nav .group-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#6f8296;padding:16px 12px 6px}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:12px;color:#c3cede;font-weight:500;transition:.15s var(--ease);margin-bottom:2px;position:relative}
.nav a .ico{width:20px;height:20px;flex-shrink:0;opacity:.9}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:linear-gradient(135deg,var(--primary),var(--primary-600));color:#1a1400;font-weight:700;box-shadow:var(--shadow-gold)}
.nav a.active .ico{opacity:1}
.sidebar .side-foot{padding:16px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:#8496a8}

.main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}
.topbar{
  position:sticky;top:0;z-index:30;height:70px;display:flex;align-items:center;gap:16px;
  padding:0 26px;background:color-mix(in srgb,var(--surface) 82%, transparent);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--border);
}
.topbar .page-title{font-size:19px;font-weight:700}
.topbar .page-sub{font-size:12.5px;color:var(--text-2)}
.icon-btn{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--border);cursor:pointer;transition:.15s;position:relative;color:var(--text-2)}
.icon-btn:hover{background:var(--bg-2);color:var(--text)}
.dot-badge{position:absolute;top:8px;right:9px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:2px solid var(--surface)}

.content{padding:26px;max-width:1400px;width:100%;margin:0 auto;animation:fadeUp .4s var(--ease)}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-size:26px}
.page-head p{color:var(--text-2);margin-top:4px}

/* ---- Avatar / user chip ---- */
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-700));color:#1a1400;display:grid;place-items:center;font-weight:700;flex-shrink:0}
.user-chip{display:flex;align-items:center;gap:10px;padding:5px 12px 5px 5px;border-radius:100px;background:var(--surface-2);border:1px solid var(--border);cursor:pointer;transition:.15s}
.user-chip:hover{box-shadow:var(--shadow-sm)}

/* ===================== KPI tiles ===================== */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.kpi{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-sm);transition:.25s var(--ease)}
.kpi:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.kpi .kpi-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px}
.kpi .kpi-val{font-size:30px;font-weight:800;letter-spacing:-.02em}
.kpi .kpi-label{color:var(--text-2);font-size:13.5px;margin-top:2px}
.kpi .kpi-foot{margin-top:12px;font-size:12.5px;display:flex;align-items:center;gap:6px}
.kpi::after{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;background:var(--primary-soft);opacity:.5;z-index:0}
.kpi>*{position:relative;z-index:1}

/* ===================== Splash screen ===================== */
#splash{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:radial-gradient(1200px 800px at 50% -10%,#3a2f00 0%,#1c1408 45%,#0d0a04 100%);color:#fff;overflow:hidden}
#splash .aurora{position:absolute;inset:0;overflow:hidden;pointer-events:none}
#splash .aurora span{position:absolute;border-radius:50%;filter:blur(60px);opacity:.4;animation:float 9s ease-in-out infinite}
#splash .aurora span:nth-child(1){width:340px;height:340px;background:#F5B301;top:-60px;left:-40px}
#splash .aurora span:nth-child(2){width:280px;height:280px;background:#ff8a00;bottom:-40px;right:-30px;animation-delay:-3s}
#splash .aurora span:nth-child(3){width:220px;height:220px;background:#ffd95e;top:40%;left:60%;animation-delay:-5s}
.splash-card{position:relative;z-index:2;text-align:center;width:min(440px,90vw);padding:0 20px;animation:fadeUp .6s var(--ease)}
.splash-logo{width:96px;height:96px;margin:0 auto 22px;border-radius:28px;display:grid;place-items:center;
  background:linear-gradient(135deg,#F5B301,#c78f00);color:#1a1400;font-size:40px;font-weight:900;
  box-shadow:0 20px 60px -10px rgba(245,179,1,.6);animation:pop .6s var(--ease) both, breathe 3.5s ease-in-out 1s infinite}
.splash-title{font-size:26px;font-weight:800;letter-spacing:-.01em}
.splash-org{color:#f5d98a;font-size:14px;margin-top:6px}
.splash-checks{margin-top:30px;text-align:left;display:flex;flex-direction:column;gap:11px}
.check-item{display:flex;align-items:center;gap:12px;padding:12px 15px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
  opacity:0;transform:translateX(-12px);animation:slideIn .4s var(--ease) forwards}
.check-item .ci-ico{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;background:rgba(255,255,255,.12);transition:.3s}
.check-item .ci-label{flex:1;font-size:14px}
.check-item .ci-detail{font-size:11.5px;color:#c9b98a;font-family:ui-monospace,monospace}
.check-item.ok .ci-ico{background:var(--success)}
.check-item.fail .ci-ico{background:var(--danger)}
.check-item.pending .ci-ico{background:transparent;border:2px solid rgba(255,255,255,.3);border-top-color:#F5B301;animation:spin .7s linear infinite}
.splash-bar{margin-top:26px;height:6px;border-radius:100px;background:rgba(255,255,255,.12);overflow:hidden}
.splash-bar i{display:block;height:100%;width:0;border-radius:100px;background:linear-gradient(90deg,#F5B301,#ffd95e);transition:width .5s var(--ease)}
.splash-status{margin-top:14px;font-size:13px;color:#e8d9a8;min-height:20px}
.splash-dev{position:absolute;bottom:24px;left:0;right:0;text-align:center;font-size:12px;color:#9a8a5e;z-index:2}
.splash-dev b{color:#F5B301}

/* ===================== Login ===================== */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.login-hero{position:relative;overflow:hidden;background:radial-gradient(900px 700px at 30% 20%,#F5B301 0%,#e0a400 40%,#b87f00 100%);color:#1a1400;display:flex;flex-direction:column;justify-content:space-between;padding:48px}
.login-hero .lh-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(0,0,0,.15);color:#fff;padding:8px 15px;border-radius:100px;font-size:13px;font-weight:600;width:fit-content}
.login-hero h1{font-size:40px;line-height:1.15;margin-top:auto;max-width:12ch}
.login-hero p{font-size:16px;margin-top:14px;max-width:34ch;color:#3a2e00}
.login-hero .lh-orbs span{position:absolute;border-radius:50%;background:rgba(255,255,255,.18);animation:float 8s ease-in-out infinite}
.login-hero .lh-orbs span:nth-child(1){width:260px;height:260px;top:-60px;right:-40px}
.login-hero .lh-orbs span:nth-child(2){width:160px;height:160px;bottom:80px;right:120px;animation-delay:-4s}
.login-form-side{display:flex;align-items:center;justify-content:center;padding:40px;background:var(--surface)}
.login-box{width:min(380px,100%);animation:fadeUp .5s var(--ease)}
.login-box .lb-logo{width:64px;height:64px;border-radius:19px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-700));color:#1a1400;font-weight:900;font-size:26px;margin-bottom:20px;box-shadow:var(--shadow-gold)}

/* ===================== Modal ===================== */
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(15,20,27,.55);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .2s}
.modal{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:min(560px,100%);max-height:90vh;overflow:auto;animation:pop .3s var(--ease)}
.modal-h{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:1}
.modal-b{padding:24px}
.modal-f{display:flex;justify-content:flex-end;gap:10px;padding:18px 24px;border-top:1px solid var(--border)}

/* ---- Progress bar (inline) ---- */
.prog{height:8px;border-radius:100px;background:var(--bg-2);overflow:hidden}
.prog i{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,var(--primary),var(--primary-600));transition:width .6s var(--ease)}

/* ---- Toast ---- */
.toasts{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{display:flex;align-items:center;gap:12px;padding:13px 18px;border-radius:14px;background:var(--surface);box-shadow:var(--shadow-lg);border-left:4px solid var(--primary);min-width:260px;animation:slideInR .3s var(--ease)}
.toast.success{border-left-color:var(--success)}.toast.danger{border-left-color:var(--danger)}.toast.warning{border-left-color:var(--warning)}

/* ---- Empty / loading ---- */
.empty{text-align:center;padding:50px 20px;color:var(--text-3)}
.spinner{width:38px;height:38px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--primary);animation:spin .7s linear infinite;margin:40px auto}
.skeleton{background:linear-gradient(90deg,var(--bg-2) 25%,var(--border) 37%,var(--bg-2) 63%);background-size:400% 100%;animation:shimmer 1.4s infinite;border-radius:8px}

/* ---- Segmented / tabs ---- */
.tabs{display:flex;gap:4px;background:var(--bg-2);padding:5px;border-radius:14px;width:fit-content}
.tabs button{padding:8px 16px;border:none;background:transparent;border-radius:10px;cursor:pointer;font-weight:600;color:var(--text-2);transition:.15s}
.tabs button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}

/* ===================== Animations ===================== */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideIn{to{opacity:1;transform:translateX(0)}}
@keyframes slideInR{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
@keyframes pop{0%{opacity:0;transform:scale(.85)}100%{opacity:1;transform:scale(1)}}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(20px,-24px)}}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
@keyframes shimmer{to{background-position:-135% 0}}
@keyframes countPop{0%{transform:scale(.6);opacity:0}100%{transform:scale(1);opacity:1}}

/* ===================== Responsive ===================== */
.menu-btn,.mobile-nav{display:none}
.backdrop{display:none}

@media(max-width:1024px){
  :root{--sidebar-w:250px}
  .login-wrap{grid-template-columns:1fr}
  .login-hero{display:none}
}
@media(max-width:860px){
  .sidebar{transform:translateX(-100%);width:280px}
  .sidebar.open{transform:translateX(0);box-shadow:var(--shadow-lg)}
  .main{margin-left:0}
  .menu-btn{display:grid}
  .backdrop.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35;animation:fade .2s}
  .content{padding:18px 16px 90px}
  .topbar{padding:0 16px;height:64px}
  /* bottom mobile nav */
  .mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:38;background:var(--surface);
    border-top:1px solid var(--border);padding:8px 6px calc(8px + env(safe-area-inset-bottom));justify-content:space-around;box-shadow:0 -6px 20px rgba(0,0,0,.06)}
  .mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10.5px;color:var(--text-3);padding:4px 10px;border-radius:12px;flex:1;transition:.15s}
  .mobile-nav a.active{color:var(--primary-700)}
  .mobile-nav a.active .ico{transform:translateY(-2px)}
  .page-head h1{font-size:22px}
}
@media(max-width:520px){
  .kpi-grid{grid-template-columns:1fr 1fr;gap:12px}
  .kpi .kpi-val{font-size:24px}
  .kpi-pad,.card-pad{padding:16px}
  .hide-sm{display:none!important}
}

@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;transition-duration:.05ms!important}}