@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root{
  --navy:#081527;
  --navy-2:#0f2744;
  --indigo:#0e6bb8;
  --indigo-dark:#0a5493;
  --indigo-light:#e8f3fc;
  --blue:#0e6bb8;
  --blue-dark:#0a5493;
  --blue-light:#e8f3fc;
  --teal:#12b8a3;
  --teal-dark:#0d8f7f;
  --teal-light:#e2f9f5;
  --pale:#eef2f7;
  --card:#ffffff;
  --line:#e7ebf3;
  --text:#131b28;
  --muted:#6c7688;
  --green:#0f9d63;
  --green-bg:#e2f7ed;
  --amber:#b3720a;
  --amber-bg:#fff3dd;
  --red:#d43f52;
  --red-bg:#fdeaed;
  --radius:14px;
  --radius-sm:9px;
  --shadow-sm:0 1px 2px rgba(15,33,56,.05);
  --shadow-md:0 8px 20px rgba(30,41,80,.08);
  --shadow-lg:0 20px 48px rgba(15,33,56,.16);
}

*{box-sizing:border-box}

body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 100% -8%, #dcedf8 0%, rgba(220,237,248,0) 60%),
    radial-gradient(900px 500px at -6% 8%, #e1f7f2 0%, rgba(225,247,242,0) 55%),
    var(--pale);
  color:var(--text);
  font-family:'Inter',Segoe UI,Arial,sans-serif;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}

body:not(.vault-unlocked) .app-shell{display:none}
body.vault-unlocked .auth-screen{display:none}

::selection{background:#bfe4f5}

/* Scrollbars */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#c3d3dd;border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:#a3bac8}

.app-shell{display:flex;min-height:100vh}

/* ---------- Sidebar ---------- */
.sidebar{
  width:250px;
  background:
    radial-gradient(420px 220px at 0% 0%, rgba(18,184,163,.22), rgba(18,184,163,0) 60%),
    linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);
  padding:26px 16px;
  color:#fff;
  display:flex;
  flex-direction:column;
  position:sticky;
  top:0;
  height:100vh;
  box-shadow:2px 0 24px rgba(9,20,36,.22);
  z-index:5;
  transition:width .18s ease,padding .18s ease;
}

.sidebar.collapsed{width:76px;padding:26px 10px}
.sidebar.collapsed .brand{padding:0 0 26px}
.sidebar.collapsed .brand-logo-full,
.sidebar.collapsed .brand-copy,
.sidebar.collapsed .nav-section,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .foot-copy,
.sidebar.collapsed .lock-button{display:none}
.sidebar.collapsed .brand-mark{display:grid}
.sidebar.collapsed .brand-mark{
  width:54px;
  height:54px;
  flex:0 0 54px;
  background:transparent;
  padding:0;
  border-radius:0;
}
.sidebar.collapsed .nav-link,
.sidebar.collapsed .collapse-toggle{justify-content:center;padding:9px}
.sidebar.collapsed .sidebar-foot{justify-content:center}

.brand{display:flex;align-items:center;justify-content:center;gap:12px;font-weight:800;letter-spacing:.6px;padding:2px 0 26px}
.brand-logo-full{display:block;width:100%;max-width:218px;height:auto}
.brand-copy{display:none}
.brand small{display:block;color:#8fa3bc;letter-spacing:0;font-size:10px;font-weight:500;margin-top:4px}
.brand-mark{
  display:none;
  width:48px;height:48px;flex:0 0 48px;place-items:center;border-radius:12px;
  background:#fff;
  box-shadow:0 3px 8px rgba(0,0,0,.14);
  padding:6px;
  overflow:hidden;
}
.brand-mark img{width:100%;height:100%;object-fit:contain;display:block}

nav{display:flex;flex-direction:column;gap:2px;overflow-y:auto;min-height:0;flex:1}
.nav-section{
  margin:16px 6px 7px;
  font-size:10px;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#5b7089;
}
.nav-section:first-child{margin-top:2px}
.nav-group{display:grid;gap:3px}
.nav-link{
  font:inherit;
  color:#a9bad0;
  background:transparent;
  border:1px solid transparent;
  border-radius:10px;
  padding:9px 11px;
  text-align:left;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:11px;
  font-weight:600;
  font-size:13px;
  letter-spacing:.1px;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.nav-icon{
  width:26px;height:26px;flex:0 0 26px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;background:rgba(255,255,255,.06);color:#8ea3ba;
  transition:background .15s ease,color .15s ease;
}
.nav-icon svg{width:15px;height:15px}
.nav-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link:hover .nav-icon{color:#cfe0ee}
.nav-link.active{
  background:rgba(14,107,184,.18);
  border-color:rgba(110,196,255,.35);
  color:#fff;
  font-weight:800;
  box-shadow:0 4px 14px rgba(8,20,40,.25);
}
.nav-link.active .nav-icon{background:linear-gradient(135deg,var(--indigo),var(--teal));color:#fff}

.collapse-toggle{
  font:inherit;color:#7f93ac;background:transparent;border:1px solid transparent;border-radius:10px;
  padding:9px 11px;margin:10px 0 4px;text-align:left;cursor:pointer;display:flex;align-items:center;gap:11px;
  font-weight:600;font-size:12px;transition:background .15s ease,color .15s ease;
}
.collapse-toggle:hover{background:rgba(255,255,255,.06);color:#fff}
.collapse-toggle .nav-icon{background:rgba(255,255,255,.06);color:#8ea3ba}
.sidebar.collapsed .collapse-toggle svg{transform:rotate(180deg)}

.sidebar-foot{
  color:#7f93ac;
  border-top:1px solid rgba(255,255,255,.08);
  padding:16px 6px 2px;
  font-size:11px;
  line-height:1.4;
  display:flex;
  align-items:center;
  gap:10px;
}
.foot-avatar{
  position:relative;width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  background:linear-gradient(135deg,var(--indigo),var(--teal));color:#fff;font-weight:800;font-size:14px;
  display:grid;place-items:center;
}
.foot-dot{
  position:absolute;right:-1px;bottom:-1px;width:9px;height:9px;border-radius:50%;
  background:#22c55e;border:2px solid var(--navy-2);
}
.foot-copy{display:flex;flex-direction:column;min-width:0}
.foot-copy strong{color:#fff;font-size:12.5px}
.foot-copy small{color:#7f93ac;font-size:10.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lock-button{margin:8px 6px 0}

/* ---------- Main / header ---------- */
main{min-width:0;flex:1;padding:32px 40px 48px}
header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
h1,h2,h3,p{margin-top:0}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.6px;color:var(--indigo);margin:0 0 6px;text-transform:uppercase}
h1{font-size:29px;margin:0;letter-spacing:-.3px;font-weight:900}
.header-date{
  color:var(--muted);font-size:12.5px;font-weight:700;text-transform:capitalize;
  background:#fff;border:1px solid var(--line);padding:9px 14px;border-radius:999px;box-shadow:var(--shadow-sm);
}

.view{display:none}
.view.active{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- Toolbar ---------- */
.toolbar{
  display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-bottom:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow-sm);
}
.toolbar.compact{margin-bottom:24px}

label{display:grid;gap:6px;font-weight:700;color:#657386;font-size:11px;letter-spacing:.2px}
input,select{
  height:38px;border:1px solid #dde2ec;border-radius:var(--radius-sm);background:#fbfcfe;
  padding:0 11px;color:var(--text);font:inherit;min-width:105px;
  transition:border-color .15s ease,box-shadow .15s ease,background .15s ease;
}
input:hover,select:hover{border-color:#c3ceda}
input:focus,select:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-light);background:#fff}
.search input{min-width:200px}
.grow{flex:1}
.grow input{width:100%}

button{font:inherit;cursor:pointer}
.primary,.secondary{
  height:38px;border-radius:var(--radius-sm);padding:0 16px;font-weight:700;border:1px solid;
  transition:background .15s ease,border-color .15s ease,transform .05s ease,box-shadow .15s ease,filter .15s ease;
}
.primary{background:linear-gradient(135deg,var(--indigo),var(--teal-dark));color:#fff;border-color:var(--indigo-dark);box-shadow:0 6px 16px rgba(14,107,184,.3)}
.primary:hover{filter:brightness(1.08);box-shadow:0 8px 20px rgba(14,107,184,.38)}
.primary:active{transform:translateY(1px)}
.secondary{background:#fff;color:#3e5368;border-color:#dbe2ea}
.secondary:hover{background:#f5f8fc;border-color:#c3ceda;color:var(--indigo-dark)}
.secondary:active{transform:translateY(1px)}

/* ---------- Stat cards ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:box-shadow .15s ease,transform .15s ease;
}
.stat{
  position:relative;overflow:hidden;padding:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:box-shadow .18s ease,transform .18s ease;
}
.stat::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--indigo),var(--teal));
}
.stat::after{
  content:'◷';position:absolute;right:16px;top:16px;width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;font-size:17px;background:var(--indigo-light);color:var(--indigo);
}
.stat:nth-child(2)::before{background:linear-gradient(180deg,var(--green),#4fd394)}
.stat:nth-child(2)::after{content:'✓';background:var(--green-bg);color:var(--green)}
.stat:nth-child(3)::before{background:linear-gradient(180deg,var(--amber),#f0a93a)}
.stat:nth-child(3)::after{content:'⏳';background:var(--amber-bg);color:var(--amber)}
.stat:nth-child(4)::before{background:linear-gradient(180deg,var(--red),#f0717f)}
.stat:nth-child(4)::after{content:'⚠';background:var(--red-bg);color:var(--red)}
.stat:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.stat small{color:var(--muted);font-weight:700;font-size:11.5px;letter-spacing:.2px;display:block;max-width:calc(100% - 50px)}
.stat strong{font-size:26px;display:block;margin-top:12px;font-weight:900;letter-spacing:-.4px}
.stat strong.green{color:var(--green)}
.stat strong.amber{color:var(--amber)}
.stat strong.red{color:var(--red)}

.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:0}
.two-col>div{padding:22px}
.two-col>div+div{border-left:1px solid var(--line)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel h2{font-size:15px;margin:0;font-weight:800;display:flex;align-items:center;gap:8px}
.panel h2::before{content:'';width:8px;height:8px;border-radius:3px;background:var(--indigo);display:inline-block}
.text-button{border:0;background:none;color:var(--indigo);font-size:12.5px;font-weight:700;padding:4px 2px}
.text-button:hover{text-decoration:underline}

.summary-row,.pending-row{
  display:flex;justify-content:space-between;gap:15px;padding:13px 2px;border-bottom:1px solid #edf0f4;
}
.summary-row:last-child,.pending-row:last-child{border-bottom:0}
.summary-row small,.pending-row small{color:var(--muted);display:block;margin-top:3px}
.summary-row strong,.pending-row strong{white-space:nowrap;font-weight:800}

/* ---------- Table ---------- */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow-sm)}
table{border-collapse:collapse;width:100%;min-width:900px}
th{
  background:linear-gradient(180deg,#f7f8fd,#f0f2fb);color:#565f8a;font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;
  text-align:left;padding:15px 14px;border-bottom:1px solid var(--line);position:sticky;top:0;font-weight:800;
}
td{padding:13px 14px;border-bottom:1px solid #edf0f4;vertical-align:middle}
tbody tr:nth-child(even){background:#fafbfe}
tbody tr{transition:background .12s ease}
tbody tr:hover{background:var(--indigo-light)}
tr:last-child td{border:0}
td strong{font-size:13px;font-weight:700}

.badge{border-radius:999px;padding:5px 11px 5px 9px;font-weight:800;font-size:11px;display:inline-flex;align-items:center;gap:5px;letter-spacing:.1px}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.badge.paid{color:var(--green);background:var(--green-bg)}
.badge.open{color:var(--amber);background:var(--amber-bg)}
.badge.late{color:var(--red);background:var(--red-bg)}

.row-action{
  border:1px solid #dce4ed;color:#3e5368;background:#fff;border-radius:7px;padding:7px 11px;font-size:12px;
  font-weight:700;transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.row-action:hover{background:var(--indigo-light);border-color:#b8dcf3;color:var(--indigo-dark)}

.empty{padding:36px;text-align:center;color:var(--muted);font-size:13px}
.table-footer{color:var(--muted);font-size:12.5px;margin:14px 4px;font-weight:600}

/* ---------- Settings ---------- */
.settings{padding:28px}
.settings h2{font-weight:800}
.settings p{color:var(--muted)}
.config-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:26px}
.config-grid h3{font-size:13px;font-weight:800;color:#334155}
.config-grid ul{list-style:none;padding:0;margin:0}
.config-grid li{padding:11px 2px;border-bottom:1px solid var(--line);font-weight:600}
.config-grid li:last-child{border-bottom:0}

/* ---------- Dialogs ---------- */
dialog{border:0;border-radius:18px;padding:0;width:min(600px,calc(100vw - 32px));box-shadow:var(--shadow-lg)}
dialog::backdrop{background:rgba(11,20,40,.6);backdrop-filter:blur(2px)}
dialog form{padding:26px}
.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.dialog-head h2{font-size:19px;margin:0;font-weight:900}
.icon-button{border:0;background:none;font-size:24px;color:#66788c;line-height:1;border-radius:8px;padding:4px 8px;transition:background .15s ease}
.icon-button:hover{background:#f1f5f9;color:#1f2937}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid label{font-size:12px;color:#4d6174;font-weight:700}
.form-grid input,.form-grid select{width:100%}
.form-grid .full{grid-column:1/-1}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:26px}

/* ---------- Responsive ---------- */
@media(max-width:800px){
  .sidebar{width:76px;padding:20px 10px}
  .sidebar .brand{padding:0 0 26px}
  .sidebar .brand-logo-full,
  .sidebar .brand-copy,
  .sidebar .nav-section,
  .sidebar .nav-label,
  .sidebar .collapse-toggle,
  .sidebar .foot-copy,
  .sidebar .lock-button{display:none}
  .brand-mark{display:grid;width:34px;height:34px}
  .nav-link{justify-content:center;padding:9px}
  .sidebar-foot{justify-content:center}
  .stats{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
  .two-col>div+div{border-left:0;border-top:1px solid var(--line)}
  main{padding:22px 16px}
  .header-date{display:none}
}