/* ============ Trinity ERP — mobile-first UI ============ */
:root{
  --bg:#eef1f7; --card:#ffffff; --panel:#f8fafc;
  --primary:#4f46e5; --primary-d:#4338ca; --primary-l:#eef2ff;
  --text:#0f172a; --muted:#64748b; --faint:#94a3b8; --border:#e6e9f0;
  --green:#10b981; --green-l:#e7f7f0; --amber:#f59e0b; --amber-l:#fef4e2;
  --blue:#3b82f6; --blue-l:#e8f1fe; --red:#ef4444; --rose:#f43f5e;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
  --shadow-lg:0 12px 40px rgba(16,24,40,.18);
  --radius:18px; --radius-sm:12px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:16px}
a{color:inherit;text-decoration:none}

/* ===== Login ===== */
.login{min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(120% 120% at 50% 0%,#6366f1 0%,#4f46e5 38%,#3730a3 100%);}
.login-card{width:100%;max-width:380px;background:var(--card);border-radius:26px;
  padding:38px 26px 26px;box-shadow:var(--shadow-lg);text-align:center}
.brand{margin-bottom:26px}
.brand-logo{width:64px;height:64px;border-radius:18px;margin:0 auto 16px;
  background:linear-gradient(135deg,#6366f1,#4338ca);color:#fff;font-weight:800;
  font-size:34px;display:grid;place-items:center;box-shadow:0 8px 20px rgba(79,70,229,.4)}
.brand-logo.sm{width:34px;height:34px;border-radius:10px;font-size:19px;margin:0;box-shadow:none}
.brand h1{margin:0 0 6px;font-size:24px;letter-spacing:-.02em}
.brand p{margin:0;color:var(--muted);font-size:14px}
.login-foot{margin:16px 0 0;color:var(--faint);font-size:12.5px}
.lang-switch{display:flex;gap:6px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.lang-switch button{padding:7px 13px;border-radius:11px;border:1px solid var(--border);
  background:var(--panel);color:var(--muted);font-size:13px;font-weight:650;transition:all .12s}
.lang-switch button.active{background:var(--primary);color:#fff;border-color:var(--primary);
  box-shadow:0 4px 12px rgba(79,70,229,.3)}
.lang-menu{display:flex;flex-direction:column;gap:10px}
.lang-menu button{display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:15px 16px;border-radius:14px;border:1px solid var(--border);background:var(--panel);
  font-size:16px;font-weight:650;color:var(--text)}
.lang-menu button.active{border-color:var(--primary);background:var(--primary-l);color:var(--primary)}
.lang-menu button .tick{width:20px;height:20px;opacity:0}
.lang-menu button.active .tick{opacity:1}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:14px;padding:12px 18px;font-weight:650;font-size:15px;
  transition:transform .06s ease,filter .15s ease,background .15s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(79,70,229,.32)}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:var(--panel);color:var(--text);border:1px solid var(--border)}
.btn-lg{width:100%;padding:15px;font-size:16px}
.btn[disabled]{opacity:.6;pointer-events:none}

.icon-btn{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  color:var(--muted);transition:background .15s}
.icon-btn:hover{background:var(--panel)}
.icon-btn svg{width:21px;height:21px}

/* ===== App layout ===== */
.app{min-height:100dvh;display:flex}
.sidebar{display:none}
.main{flex:1;min-width:0;display:flex;flex-direction:column;
  padding-bottom:calc(74px + var(--safe-b))}

.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:14px 16px;background:rgba(238,241,247,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border)}
.topbar h2{margin:0;font-size:21px;letter-spacing:-.02em}
.tb-right{display:flex;align-items:center;gap:6px}

.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#818cf8,#4f46e5);color:#fff;font-weight:700;font-size:15px;flex:none}
.avatar.sm{width:34px;height:34px;font-size:14px}

.view{padding:16px 16px 28px;max-width:1100px;width:100%;margin:0 auto;animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ===== Section header ===== */
.sec-head{display:flex;align-items:center;justify-content:space-between;margin:6px 2px 12px}
.sec-head h3{margin:0;font-size:15px;color:var(--muted);font-weight:650;text-transform:uppercase;letter-spacing:.04em}
.count-pill{font-size:12.5px;color:var(--muted);background:var(--panel);border:1px solid var(--border);
  padding:3px 10px;border-radius:20px}

/* ===== Search ===== */
.search{position:relative;margin:0 0 14px}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--faint)}
.search input{width:100%;padding:12px 14px 12px 40px;border-radius:14px;border:1px solid var(--border);
  background:var(--card);outline:none;font-size:15px;box-shadow:var(--shadow)}
.search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}

/* ===== Stat grid (dashboard) ===== */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px}
.stat{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);
  position:relative;overflow:hidden}
.stat .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;margin-bottom:12px}
.stat .ic svg{width:20px;height:20px}
.stat .num{font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:3px}
.ic.i-emp{background:var(--blue-l);color:var(--blue)}
.ic.i-cli{background:var(--green-l);color:var(--green)}
.ic.i-prj{background:var(--primary-l);color:var(--primary)}
.ic.i-bud{background:var(--amber-l);color:var(--amber)}

/* ===== Cards / list ===== */
.list{display:flex;flex-direction:column;gap:10px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:14px;display:flex;align-items:center;gap:13px;transition:transform .06s,box-shadow .15s}
.card:active{transform:scale(.992)}
.card .lead{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;
  font-weight:700;font-size:16px;color:#fff;background:linear-gradient(135deg,#818cf8,#4f46e5)}
.card .lead.c2{background:linear-gradient(135deg,#34d399,#059669)}
.card .body{flex:1;min-width:0}
.card .body .t{font-weight:680;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .body .s{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.card .end{flex:none;color:var(--faint);display:flex;align-items:center}
.card .end svg{width:18px;height:18px}

/* project card */
.pcard{display:block}
.pcard .top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.pcard .name{font-weight:700;font-size:16px}
.pcard .desc{color:var(--muted);font-size:13.5px;margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard .meta{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:13px;color:var(--muted)}
.bar{height:7px;border-radius:8px;background:#eceff5;overflow:hidden;margin-top:11px}
.bar > i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#6366f1,#4f46e5)}

.badge{font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:20px;white-space:nowrap}
.b-pending{background:var(--amber-l);color:#b45309}
.b-progress{background:var(--blue-l);color:#1d4ed8}
.b-done{background:var(--green-l);color:#047857}

/* ===== Empty / loading ===== */
.empty{text-align:center;color:var(--muted);padding:48px 20px}
.empty .e-ic{width:64px;height:64px;border-radius:20px;background:var(--card);box-shadow:var(--shadow);
  display:grid;place-items:center;margin:0 auto 14px;color:var(--faint)}
.empty .e-ic svg{width:30px;height:30px}
.skel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);height:74px;
  position:relative;overflow:hidden;margin-bottom:10px}
.skel::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  transform:translateX(-100%);animation:shimmer 1.3s infinite}
@keyframes shimmer{to{transform:translateX(100%)}}

/* ===== Bottom tab bar (mobile) ===== */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;
  padding:8px 6px calc(8px + var(--safe-b));background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);border-top:1px solid var(--border)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:5px 0;color:var(--faint);font-size:11px;font-weight:600;border-radius:12px}
.tab svg{width:23px;height:23px}
.tab.active{color:var(--primary)}
.tab.active svg{transform:translateY(-1px)}

/* ===== FAB ===== */
.fab{position:fixed;right:18px;bottom:calc(82px + var(--safe-b));z-index:31;
  width:56px;height:56px;border-radius:18px;background:var(--primary);color:#fff;
  display:grid;place-items:center;box-shadow:0 10px 24px rgba(79,70,229,.45);transition:transform .08s}
.fab:active{transform:scale(.93)}
.fab svg{width:26px;height:26px}

/* ===== Modal / bottom sheet ===== */
.scrim{position:fixed;inset:0;z-index:50;background:rgba(15,23,42,.45);
  backdrop-filter:blur(2px);opacity:0;transition:opacity .2s;display:flex;align-items:flex-end}
.scrim.show{opacity:1}
.sheet{width:100%;max-height:92dvh;background:var(--card);border-radius:24px 24px 0 0;
  box-shadow:var(--shadow-lg);transform:translateY(100%);transition:transform .26s cubic-bezier(.22,1,.36,1);
  display:flex;flex-direction:column}
.scrim.show .sheet{transform:none}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 10px;flex:none}
.sheet-head .grab{position:absolute;left:50%;top:8px;transform:translateX(-50%);width:40px;height:4px;
  border-radius:4px;background:#d7dbe5}
.sheet-head h3{margin:0;font-size:18px}
.sheet-body{padding:4px 18px 22px;overflow:auto}
.sheet-foot{padding:12px 18px calc(16px + var(--safe-b));border-top:1px solid var(--border);
  display:flex;gap:10px;flex:none;background:var(--card)}
.sheet-foot .btn{flex:1}

/* ===== Forms ===== */
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:5px}
.field label .req{color:var(--rose)}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border-radius:12px;
  border:1px solid var(--border);background:var(--panel);outline:none;color:var(--text)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);
  background:#fff;box-shadow:0 0 0 3px var(--primary-l)}
.field textarea{resize:vertical;min-height:74px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* detail */
.detail-hero{display:flex;align-items:center;gap:14px;padding:6px 0 18px}
.detail-hero .lead{width:58px;height:58px;border-radius:16px;font-size:21px}
.detail-hero .t{font-size:20px;font-weight:750}
.detail-hero .s{color:var(--muted);font-size:14px;margin-top:2px}
.dl{display:flex;flex-direction:column;gap:1px;border-radius:14px;overflow:hidden;border:1px solid var(--border)}
.dl .row{display:flex;justify-content:space-between;gap:16px;padding:12px 14px;background:var(--panel)}
.dl .row .k{color:var(--muted);font-size:13.5px;flex:none}
.dl .row .v{text-align:right;font-weight:600;font-size:14px;word-break:break-word}

/* ===== Toast ===== */
.toast-root{position:fixed;left:0;right:0;bottom:calc(96px + var(--safe-b));z-index:90;
  display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;padding:0 16px}
.toast{background:#0f172a;color:#fff;padding:11px 18px;border-radius:14px;font-size:14px;font-weight:600;
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:9px;max-width:420px;
  transform:translateY(20px);opacity:0;transition:all .22s}
.toast.show{transform:none;opacity:1}
.toast.ok{background:#065f46}.toast.err{background:#9f1239}
.toast svg{width:18px;height:18px;flex:none}

/* spinner */
.spin{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;
  border-radius:50%;animation:rot .7s linear infinite}
.spin.dark{border-color:rgba(79,70,229,.25);border-top-color:var(--primary)}
@keyframes rot{to{transform:rotate(360deg)}}
.center{display:grid;place-items:center;padding:60px 0}

/* ===== Desktop ===== */
@media(min-width:860px){
  .tabbar{display:none}
  .fab{bottom:28px;right:28px}
  .main{padding-bottom:0}
  .sidebar{display:flex;flex-direction:column;width:248px;flex:none;
    background:var(--card);border-right:1px solid var(--border);position:sticky;top:0;height:100dvh}
  .sidebar-brand{display:flex;align-items:center;gap:11px;padding:20px 20px 14px;font-weight:750;font-size:17px}
  .side-nav{flex:1;padding:8px 12px;display:flex;flex-direction:column;gap:4px}
  .side-link{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:13px;
    color:var(--muted);font-weight:620;font-size:14.5px;transition:background .12s,color .12s}
  .side-link svg{width:21px;height:21px}
  .side-link:hover{background:var(--panel);color:var(--text)}
  .side-link.active{background:var(--primary-l);color:var(--primary)}
  .sidebar-user{display:flex;align-items:center;gap:11px;padding:14px 16px;border-top:1px solid var(--border)}
  .su-meta{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.2}
  .su-meta strong{font-size:14px}.su-meta span{font-size:12px;color:var(--muted)}
  .scrim{align-items:center;justify-content:center;padding:24px}
  .sheet{max-width:520px;border-radius:24px;transform:translateY(20px) scale(.98)}
  .scrim.show .sheet{transform:none}
  .sheet-head .grab{display:none}
  .stat-grid{grid-template-columns:repeat(4,1fr)}
  .topbar h2{font-size:23px}
}