/* =====================================================================
   MALIPO YA WAMILIKI — Design System
   Mwelekeo: "Dynamic Ledger Glass"
   Day: Deep Black Buttons on Light Fading White
   Night: Glowing Light/White Buttons on Obsidian Dark
   ===================================================================== */

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

:root{
  /* --- Palette: Light ("Mchana - White / Fading Light") --- */
  --bg-0:#FFFFFF;
  --bg-1:#F1F5F9;
  --glass-bg: rgba(255, 255, 255, 0.70);
  --glass-bg-strong: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(226, 232, 240, 0.8);
  --text-1:#0F172A;
  --text-2:#475569;
  
  /* Deep Black Theme (Day) */
  --accent:#000000;         /* Pure Deep Black */
  --accent-hover:#1E293B;   /* Slate Black Hover */
  --accent-ink:#FFFFFF;     /* White Text for Black Buttons */
  --accent-2:#0F172A;       /* Dark Graphite */
  --accent-2-ink:#FFFFFF;
  
  --danger:#DC2626;
  --success:#16A34A;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  --ring: rgba(0, 0, 0, 0.25);

  --font-display:'Poppins',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;

  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  color-scheme: light;
}

[data-theme="dark"]{
  /* --- Palette: Dark ("Usiku - Deep Obsidian & White Light Buttons") --- */
  --bg-0:#0A0C10;
  --bg-1:#141720;
  --glass-bg: rgba(20, 23, 32, 0.65);
  --glass-bg-strong: rgba(28, 32, 45, 0.82);
  --glass-border: rgba(255, 255, 255, 0.12);
  --text-1:#F8FAFC;
  --text-2:#A0AEC0;
  
  /* Lighty White Accent Theme (Night) */
  --accent:#FFFFFF;         /* Bright White */
  --accent-hover:#E2E8F0;   /* Slightly Soft White Hover */
  --accent-ink:#000000;     /* Pure Black Text for White Buttons */
  --accent-2:#F1F5F9;       /* Light Slate End Gradient */
  --accent-2-ink:#000000;
  
  --danger:#F87171;
  --success:#4ADE80;
  --shadow: 0 12px 34px rgba(0,0,0,.6);
  --ring: rgba(255, 255, 255, 0.45); /* Glowing white aura */
  color-scheme: dark;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-1);
  background:
    radial-gradient(1100px 600px at 8% -10%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%),
    radial-gradient(1000px 700px at 105% 10%, rgba(226, 232, 240, 0.6) 0px, transparent 55%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1));
  min-height:100vh;
  transition: background .4s ease, color .3s ease;
  -webkit-font-smoothing:antialiased;
}

[data-theme="dark"] body{
  background:
    radial-gradient(1100px 600px at 8% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    radial-gradient(1000px 700px at 105% 10%, rgba(255, 255, 255, 0.05) 0px, transparent 55%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1));
}

/* Background receipt-line pattern */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  opacity:.35;
  background-image: repeating-linear-gradient(
    180deg,
    transparent 0px, transparent 27px,
    color-mix(in srgb, var(--text-1) 5%, transparent) 27px, color-mix(in srgb, var(--text-1) 5%, transparent) 28px
  );
}

a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display); margin:0 0 4px; letter-spacing:-.01em;}
.mono{font-family:var(--font-mono);}
.muted{color:var(--text-2);}

/* ---------- Glass primitives ---------- */
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow:var(--shadow);
}
.glass-strong{
  background:var(--glass-bg-strong);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
}

/* ---------- Layout ---------- */
.app-shell{display:flex; min-height:100vh;}
.sidebar{ background: #488080;
  width:250px; flex-shrink:0; margin:16px 0 16px 16px;
  padding:22px 16px; display:flex; flex-direction:column; gap:6px;
  position:sticky; top:16px; height:calc(100vh - 32px);
}
.brand{display:flex; align-items:center; gap:10px; padding:6px 10px 22px;}
.brand-mark{
  width:38px; height:38px; border-radius:12px; flex-shrink:0;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:800; color:var(--accent-ink); font-size:15px;
  box-shadow:0 4px 14px var(--ring);
}
.brand-name{font-family:var(--font-display); font-weight:700; font-size:15px; line-height:1.15;}
.brand-name span{display:block; font-size:11px; font-weight:500; color:var(--text-2);}

.nav-link{
  display:flex; align-items:center; gap:12px;
  padding:11px 14px; border-radius:var(--radius-sm);
  color:var(--text-2); font-weight:600; font-size:14px;
  transition:.18s ease;
}
.nav-link svg{width:18px;height:18px; flex-shrink:0;}
.nav-link:hover{background:var(--glass-bg-strong); color:var(--text-1);}
.nav-link.active{
  background:linear-gradient(120deg, var(--accent), var(--accent-2));
  color:var(--accent-ink); box-shadow:0 6px 18px var(--ring);
}
.nav-spacer{flex:1;}

.main{flex:1; padding:22px 26px 40px; min-width:0;}
.topbar{display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:22px; flex-wrap:wrap;}
.topbar h1{font-size:22px;}
.topbar-actions{display:flex; align-items:center; gap:10px;}

/* ---------- Theme toggle ---------- */
.theme-toggle{
  width:52px; height:30px; border-radius:20px; border:1px solid var(--glass-border);
  background:var(--glass-bg-strong); position:relative; cursor:pointer; flex-shrink:0;
}
.theme-toggle .knob{
  position:absolute; top:3px; left:3px; width:22px; height:22px; border-radius:50%;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  transition:transform .25s ease; display:flex; align-items:center; justify-content:center; font-size:12px;
}
[data-theme="dark"] .theme-toggle .knob{transform:translateX(22px);}

/* ---------- Cards / Grid ---------- */
.grid{display:grid; gap:18px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(2,1fr);}}
@media(max-width:720px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}}

.card{
  padding:20px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
[data-theme="dark"] .card:hover{
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.stat-card{padding:18px 20px; display:flex; flex-direction:column; gap:10px; position:relative; overflow:hidden;}
.stat-card .icon{
  width:38px; height:38px; border-radius:11px; display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--text-1);
}
.stat-card .value{font-family:var(--font-mono); font-size:26px; font-weight:600; letter-spacing:-.02em;}
.stat-card .label{font-size:12.5px; color:var(--text-2); font-weight:600; text-transform:uppercase; letter-spacing:.04em;}
.stat-card .delta{font-size:12px; font-weight:600;}
.delta.up{color:var(--success);}
.delta.down{color:var(--danger);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; justify-content:center;
  padding:10px 18px; border-radius:12px; border:1px solid transparent;
  font-weight:600; font-size:14px; cursor:pointer; font-family:var(--font-body);
  transition:.18s ease;
}

/* Day: Deep Black Buttons | Night: Glowing Lighty White Buttons */
.btn-primary{
  background:linear-gradient(120deg, var(--accent), var(--accent-2)); 
  color:var(--accent-ink); 
  box-shadow:0 6px 18px var(--ring);
}
.btn-primary:hover{
  background:linear-gradient(120deg, var(--accent-hover), var(--accent));
  transform:translateY(-1px);
  box-shadow:0 8px 24px var(--ring);
}

.btn-ghost{background:var(--glass-bg-strong); color:var(--text-1); border-color:var(--glass-border);}
.btn-ghost:hover{background:var(--glass-bg); border-color:var(--accent);}
.btn-danger{background:color-mix(in srgb, var(--danger) 14%, transparent); color:var(--danger); border-color:color-mix(in srgb, var(--danger) 30%, transparent);}
.btn-sm{padding:7px 12px; font-size:12.5px; border-radius:9px;}
.btn:disabled{opacity:.55; cursor:not-allowed;}

.field{display:flex; flex-direction:column; gap:6px; margin-bottom:14px;}
.field label{font-size:12.5px; font-weight:600; color:var(--text-2);}
.input, select, textarea{
  width:100%; padding:10px 13px; border-radius:11px; border:1px solid var(--glass-border);
  background:var(--glass-bg-strong); color:var(--text-1); font-family:var(--font-body); font-size:14px;
  outline:none; transition:.15s ease;
}
.input:focus, select:focus, textarea:focus{border-color:var(--accent); box-shadow:0 0 0 3px var(--ring);}
textarea{resize:vertical; min-height:70px;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:12px;}
@media(max-width:600px){.field-row{grid-template-columns:1fr;}}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto; border-radius:var(--radius-md);}
table{width:100%; border-collapse:collapse; font-size:13.5px;}
thead th{
  text-align:left; padding:12px 14px; font-size:11.5px; text-transform:uppercase; letter-spacing:.05em;
  color:var(--text-2); border-bottom:1px solid var(--glass-border); white-space:nowrap;
}
tbody td{padding:12px 14px; border-bottom:1px solid color-mix(in srgb, var(--glass-border) 60%, transparent); white-space:nowrap;}
tbody tr:hover{background:var(--glass-bg-strong);}
.amount{font-family:var(--font-mono); font-weight:600;}

.badge{display:inline-flex; align-items:center; gap:5px; padding:4px 10px; border-radius:999px; font-size:11.5px; font-weight:700;}
.badge-success{background:color-mix(in srgb, var(--success) 16%, transparent); color:var(--success);}
.badge-warn{background:color-mix(in srgb, var(--accent) 15%, transparent); color:var(--text-1);}
.badge-danger{background:color-mix(in srgb, var(--danger) 16%, transparent); color:var(--danger);}

/* ---------- Chips / Breadcrumbs ---------- */
.chip-path{display:flex; align-items:center; gap:6px; flex-wrap:wrap; font-size:12.5px; color:var(--text-2);}
.chip-path .chip{
  padding:4px 11px; border-radius:999px; background:var(--glass-bg-strong); border:1px solid var(--glass-border);
  font-weight:600; color:var(--text-1);
}
.chip-path .sep{opacity:.5;}

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed; inset:0; background:rgba(0, 0, 0, 0.5); backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center; z-index:100; padding:20px;
}
.modal{width:100%; max-width:560px; max-height:88vh; overflow-y:auto; padding:26px;}
.modal-header{display:flex; align-items:center; justify-content:space-between; margin-bottom:18px;}
.modal-close{width:32px; height:32px; border-radius:10px; display:flex; align-items:center; justify-content:center; cursor:pointer; background:var(--glass-bg-strong); border:1px solid var(--glass-border);}

/* ---------- Signature "Receipt Stub" / Charts Styling ---------- */
.receipt-stub{position:relative; width:96px; height:96px; flex-shrink:0;}
.receipt-stub svg{transform:rotate(-90deg);}
.receipt-stub .stub-label{position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center;}
.receipt-stub .stub-value{font-family:var(--font-mono); font-weight:700; font-size:18px; color:var(--text-1);}
.receipt-stub .stub-value small{font-size:10px; display:block; font-weight:500; color:var(--text-2);}

/* Dynamic Chart Enhancements */
.chart-bar, .chart-line {
  fill: var(--accent);
  stroke: var(--accent-2);
  filter: drop-shadow(0px 4px 10px var(--ring));
}
[data-theme="dark"] .chart-bar, 
[data-theme="dark"] .chart-line {
  fill: #FFFFFF;
  stroke: #E2E8F0;
  filter: drop-shadow(0px 0px 12px rgba(255, 255, 255, 0.45));
}

/* ---------- Toast ---------- */
#toast-host{position:fixed; bottom:22px; right:22px; z-index:200; display:flex; flex-direction:column; gap:10px;}
.toast{padding:13px 18px; border-radius:13px; font-size:13.5px; font-weight:600; min-width:220px; animation:toastIn .25s ease;}
.toast.ok{border-left:4px solid var(--success);}
.toast.err{border-left:4px solid var(--danger);}
@keyframes toastIn{from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:translateY(0);}}

/* ---------- Misc ---------- */
.empty-state{text-align:center; padding:50px 20px; color:var(--text-2);}
.section-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; flex-wrap:wrap; gap:10px;}
.filters-bar{display:flex; gap:10px; flex-wrap:wrap; align-items:flex-end; margin-bottom:18px;}
.filters-bar .field{margin-bottom:0; min-width:150px;}
.pagination{display:flex; align-items:center; justify-content:center; gap:6px; margin-top:16px;}
.pagination button{width:34px; height:34px; border-radius:9px; border:1px solid var(--glass-border); background:var(--glass-bg-strong); cursor:pointer; font-weight:600;}
.pagination button.active{background:linear-gradient(120deg, var(--accent), var(--accent-2)); color:var(--accent-ink); border-color:transparent;}

.owner-card{padding:18px; display:flex; flex-direction:column; gap:10px;}
.owner-card .props-mini{display:flex; flex-wrap:wrap; gap:6px;}
.property-pill{padding:5px 10px; border-radius:9px; font-size:11.5px; font-weight:700; background:var(--glass-bg-strong); border:1px solid var(--glass-border); cursor:pointer;}
.property-pill.due-soon{color:var(--danger); border-color:color-mix(in srgb, var(--danger) 30%, transparent);}
.property-pill.ok{color:var(--success); border-color:color-mix(in srgb, var(--success) 30%, transparent);}

.hamburger{display:none;}
@media(max-width:920px){
  .sidebar{position:fixed; left:0; top:0; height:100vh; z-index:150; transform:translateX(-110%); transition:.25s ease; margin:0; border-radius:0; width:250px;}
  .sidebar.open{transform:translateX(0);}
  .hamburger{display:flex; width:40px; height:40px; align-items:center; justify-content:center; border-radius:11px; cursor:pointer;}
  .main{padding:16px;}
}

::-webkit-scrollbar{width:10px; height:10px;}
::-webkit-scrollbar-thumb{background:var(--glass-border); border-radius:10px;}