/* =========================================================
   BudgetForge — dark glass UI
   ========================================================= */

:root{
  --bg-0:#07080d;
  --bg-1:#0c0f18;
  --bg-2:#111524;
  --panel:rgba(22,26,42,.62);
  --panel-solid:#141828;
  --panel-border:rgba(255,255,255,.08);
  --panel-border-hi:rgba(255,255,255,.16);
  --text-0:#f4f6ff;
  --text-1:#b9c0d6;
  --text-2:#7c8399;
  --accent:#7c5cff;
  --accent-2:#22d3ee;
  --accent-3:#ff5da2;
  --good:#2ee6a6;
  --warn:#ffb547;
  --bad:#ff5470;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-lg:0 20px 60px -20px rgba(0,0,0,.65);
  --ff-display:'Space Grotesk',sans-serif;
  --ff-body:'Inter',sans-serif;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--ff-body);
  background:var(--bg-0);
  color:var(--text-0);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:10px;}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.22);}

h1,h2,h3,h4{font-family:var(--ff-display);margin:0;}
p{margin:0;}
a{color:inherit;}

/* ---------- animated background ---------- */
#bg-decor{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35;will-change:transform;}
.blob-a{width:520px;height:520px;background:radial-gradient(circle,var(--accent),transparent 70%);top:-160px;left:-120px;animation:float1 22s ease-in-out infinite;}
.blob-b{width:460px;height:460px;background:radial-gradient(circle,var(--accent-2),transparent 70%);bottom:-140px;right:-100px;animation:float2 26s ease-in-out infinite;}
.blob-c{width:380px;height:380px;background:radial-gradient(circle,var(--accent-3),transparent 70%);top:40%;right:20%;animation:float3 30s ease-in-out infinite;}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,80px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,-70px)}}
@keyframes float3{0%,100%{transform:translate(0,0)}50%{transform:translate(-80px,50px)}}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 50% 30%,rgba(0,0,0,.9),transparent 75%);}

/* ---------- layout shell ---------- */
#app-shell{position:relative;z-index:1;display:flex;min-height:100vh;}

/* ---------- sidebar ---------- */
#sidebar{
  width:300px;flex:0 0 300px;
  background:linear-gradient(180deg,rgba(18,21,36,.92),rgba(10,12,20,.92));
  border-right:1px solid var(--panel-border);
  backdrop-filter:blur(18px);
  display:flex;flex-direction:column;
  padding:22px 18px;
  gap:16px;
  height:100vh;position:sticky;top:0;
  transition:margin-left .28s ease,transform .28s ease;
  z-index:40;
}
#app-shell.sidebar-collapsed #sidebar{margin-left:-300px;}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:4px;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 20px -6px rgba(124,92,255,.6);
  color:#fff;
}
.brand-text{flex:1;line-height:1.15;}
.brand-text h1{font-size:17px;font-weight:700;letter-spacing:.2px;}
.brand-text span{font-size:11px;color:var(--text-2);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--ff-body);font-weight:600;font-size:13.5px;
  border:none;border-radius:var(--radius-sm);cursor:pointer;
  padding:11px 18px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,opacity .2s;
  white-space:nowrap;
}
.btn:active{transform:scale(.97);}
.btn-block{width:100%;}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#5b3df0);
  color:#fff;box-shadow:0 10px 24px -8px rgba(124,92,255,.65);
}
.btn-primary:hover{box-shadow:0 12px 30px -6px rgba(124,92,255,.85);}
.btn-secondary{background:rgba(255,255,255,.07);color:var(--text-0);}
.btn-secondary:hover{background:rgba(255,255,255,.12);}
.btn-danger{background:linear-gradient(135deg,#ff5470,#c8264f);color:#fff;}
.btn-danger:hover{box-shadow:0 10px 26px -8px rgba(255,84,112,.7);}
.btn-ghost-sm{background:transparent;border:1px solid var(--panel-border);color:var(--text-1);padding:7px 12px;font-size:12.5px;}
.btn-ghost-sm:hover{border-color:var(--panel-border-hi);color:var(--text-0);}

.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--panel-border);
  background:rgba(255,255,255,.04);color:var(--text-1);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .18s ease;flex:none;font-size:14px;
}
.icon-btn:hover{background:rgba(255,255,255,.1);color:var(--text-0);border-color:var(--panel-border-hi);}
.icon-btn.ghost{background:transparent;border-color:transparent;}
.icon-btn.danger:hover{background:rgba(255,84,112,.15);color:var(--bad);border-color:rgba(255,84,112,.4);}
.icon-text-btn{
  display:flex;align-items:center;gap:9px;width:100%;
  background:rgba(255,255,255,.03);border:1px solid var(--panel-border);
  color:var(--text-1);padding:9px 12px;border-radius:var(--radius-sm);
  cursor:pointer;font-size:12.5px;font-weight:500;transition:all .18s;
}
.icon-text-btn:hover{background:rgba(255,255,255,.08);color:var(--text-0);}

.sidebar-search{
  display:flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.05);border:1px solid var(--panel-border);
  border-radius:var(--radius-sm);padding:9px 12px;color:var(--text-2);
}
.sidebar-search input{
  background:none;border:none;outline:none;color:var(--text-0);font-size:13px;width:100%;
}
.sidebar-search input::placeholder{color:var(--text-2);}

.project-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px;margin:0 -6px;padding:0 6px;}
.project-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--radius-sm);
  cursor:pointer;border:1px solid transparent;transition:all .16s ease;position:relative;
}
.project-item:hover{background:rgba(255,255,255,.05);}
.project-item.active{background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.4);}
.project-item-dot{width:10px;height:10px;border-radius:50%;flex:none;box-shadow:0 0 10px currentColor;}
.project-item-info{flex:1;min-width:0;}
.project-item-info .p-name{font-size:13.5px;font-weight:600;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.project-item-info .p-meta{font-size:11px;color:var(--text-2);}
.project-item-bar{height:4px;border-radius:3px;background:rgba(255,255,255,.08);width:100%;margin-top:5px;overflow:hidden;}
.project-item-bar-fill{height:100%;border-radius:3px;transition:width .4s ease;}
.project-item-pct{font-size:11px;font-weight:700;color:var(--text-1);flex:none;}

.sidebar-empty{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-2);padding:30px 10px;text-align:center;font-size:12.5px;}
.sidebar-empty i{font-size:26px;opacity:.5;}

.sidebar-footer{display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--panel-border);padding-top:14px;}
.storage-meter{margin-top:4px;}
.storage-meter-head{font-size:11px;color:var(--text-2);display:flex;align-items:center;gap:6px;margin-bottom:6px;}
.storage-bar{height:6px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden;}
.storage-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-2),var(--accent));width:1%;transition:width .3s;}
#storage-meter-label{font-size:10.5px;color:var(--text-2);display:block;margin-top:5px;}

/* ---------- main content ---------- */
#main-content{flex:1;min-width:0;padding:26px 34px 60px;position:relative;}
#topbar{display:flex;align-items:center;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.mobile-only{display:none;}
.topbar-title{flex:1;min-width:200px;}
.topbar-title h2{font-size:24px;font-weight:700;}
.topbar-title span{font-size:12.5px;color:var(--text-2);}
.topbar-actions{display:flex;align-items:center;gap:8px;}

.dropdown{position:relative;}
.dropdown-menu{
  position:absolute;top:calc(100% + 8px);right:0;min-width:200px;
  background:var(--panel-solid);border:1px solid var(--panel-border-hi);
  border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);
  padding:6px;display:flex;flex-direction:column;gap:2px;z-index:60;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .16s ease;
}
.dropdown-menu.open{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-menu button{
  display:flex;align-items:center;gap:10px;background:none;border:none;color:var(--text-1);
  padding:9px 10px;border-radius:8px;font-size:13px;cursor:pointer;text-align:left;font-family:var(--ff-body);
}
.dropdown-menu button:hover{background:rgba(255,255,255,.08);color:var(--text-0);}

/* ---------- empty state ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  min-height:60vh;gap:14px;
}
.empty-illustration{
  width:96px;height:96px;border-radius:26px;display:flex;align-items:center;justify-content:center;font-size:38px;
  background:linear-gradient(135deg,rgba(124,92,255,.25),rgba(34,211,238,.15));
  border:1px solid var(--panel-border-hi);color:var(--accent-2);margin-bottom:6px;
}
.empty-state h3{font-size:22px;}
.empty-state p{color:var(--text-2);max-width:400px;font-size:14px;}
.hidden{display:none !important;}

/* ---------- dashboard ---------- */
.dashboard{display:flex;flex-direction:column;gap:22px;}

.budget-alert{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,rgba(255,84,112,.16),rgba(255,84,112,.05));
  border:1px solid rgba(255,84,112,.35);color:#ffb1c2;font-size:13.5px;font-weight:500;
}
.budget-alert i{font-size:18px;color:var(--bad);}

.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius-lg);
  padding:18px;display:flex;align-items:center;gap:13px;backdrop-filter:blur(16px);
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;transition:transform .2s ease,border-color .2s;
  min-width:0;
}
.stat-card:hover{transform:translateY(-3px);border-color:var(--panel-border-hi);}
.stat-icon{
  width:44px;height:44px;border-radius:13px;flex:none;display:flex;align-items:center;justify-content:center;font-size:17px;color:#fff;
}
.stat-budget .stat-icon{background:linear-gradient(135deg,#7c5cff,#5b3df0);}
.stat-spent .stat-icon{background:linear-gradient(135deg,#ff8a5c,#ff5470);}
.stat-remain .stat-icon{background:linear-gradient(135deg,#2ee6a6,#12b884);}
.stat-body{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1;}
.stat-label{font-size:11.5px;color:var(--text-2);font-weight:600;text-transform:uppercase;letter-spacing:.5px;}
.stat-body strong{font-family:var(--ff-display);font-size:19px;font-weight:700;white-space:nowrap;line-height:1.2;}
.stat-remain strong.negative{color:var(--bad);}
.stat-ratio{justify-content:flex-start;}
.stat-ring{position:relative;width:60px;height:60px;flex:none;}
.stat-ring svg{width:100%;height:100%;transform:rotate(-90deg);}
.ring-track{fill:none;stroke:rgba(255,255,255,.08);stroke-width:8;}
.ring-fill{fill:none;stroke:var(--accent-2);stroke-width:8;stroke-linecap:round;stroke-dasharray:213.6;stroke-dashoffset:213.6;transition:stroke-dashoffset .6s ease,stroke .3s;}
.stat-ring span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-family:var(--ff-display);}

.charts-row{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;}
.panel{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius-lg);
  padding:20px 22px;backdrop-filter:blur(16px);box-shadow:var(--shadow-lg);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap;}
.panel-head h3{font-size:15px;font-weight:600;display:flex;align-items:center;gap:9px;}
.panel-head h3 i{color:var(--accent-2);}
.chart-panel .chart-wrap{position:relative;height:230px;}
.chart-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.legend-chip{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--text-1);background:rgba(255,255,255,.04);padding:5px 10px;border-radius:20px;}
.legend-chip .dot{width:8px;height:8px;border-radius:50%;}

.category-budget-list{display:flex;flex-direction:column;gap:14px;}
.cat-row{display:flex;flex-direction:column;gap:6px;}
.cat-row-top{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;}
.cat-row-top .cat-name{display:flex;align-items:center;gap:8px;font-weight:600;}
.cat-row-top .cat-name .dot{width:9px;height:9px;border-radius:50%;flex:none;}
.cat-row-top .cat-nums{color:var(--text-2);font-size:12px;font-family:var(--ff-display);}
.cat-row-top .cat-nums strong{color:var(--text-0);}
.cat-bar{height:8px;border-radius:5px;background:rgba(255,255,255,.06);overflow:hidden;}
.cat-bar-fill{height:100%;border-radius:5px;transition:width .5s ease;}
.cat-bar-fill.over{background:var(--bad) !important;}

/* ---------- items table ---------- */
.items-toolbar{flex-direction:column;align-items:stretch;}
.items-toolbar h3{margin-bottom:4px;}
.toolbar-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.search-box{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);
  border:1px solid var(--panel-border);border-radius:var(--radius-sm);padding:8px 12px;flex:1;min-width:180px;color:var(--text-2);
}
.search-box input{background:none;border:none;outline:none;color:var(--text-0);font-size:13px;width:100%;}
select{
  background:rgba(255,255,255,.05);border:1px solid var(--panel-border);color:var(--text-1);
  border-radius:var(--radius-sm);padding:9px 12px;font-size:13px;outline:none;cursor:pointer;font-family:var(--ff-body);
}
select:hover{border-color:var(--panel-border-hi);}
select:focus{border-color:var(--accent);}

.table-wrap{overflow-x:auto;margin-top:16px;}
#items-table{width:100%;border-collapse:collapse;font-size:13.5px;}
#items-table thead th{
  text-align:left;color:var(--text-2);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;
  padding:10px 14px;border-bottom:1px solid var(--panel-border);white-space:nowrap;
}
#items-table thead th.num{text-align:right;}
#items-table tbody td{padding:13px 14px;border-bottom:1px solid rgba(255,255,255,.05);vertical-align:middle;}
#items-table tbody tr{transition:background .15s;}
#items-table tbody tr:hover{background:rgba(255,255,255,.03);}
#items-table td.num{text-align:right;font-family:var(--ff-display);font-weight:600;}
#items-table td.name-cell{font-weight:600;}
#items-table td.note-cell{color:var(--text-2);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.actions-col{text-align:right;width:90px;}
.cat-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:4px 10px;border-radius:20px;background:rgba(255,255,255,.06);}
.cat-badge .dot{width:7px;height:7px;border-radius:50%;flex:none;}
.row-actions{display:flex;gap:6px;justify-content:flex-end;}
.row-actions button{
  width:30px;height:30px;border-radius:8px;border:1px solid transparent;background:rgba(255,255,255,.04);
  color:var(--text-2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;transition:all .15s;
}
.row-actions button:hover{background:rgba(255,255,255,.1);color:var(--text-0);}
.row-actions .del-btn:hover{color:var(--bad);background:rgba(255,84,112,.12);}
.items-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px;color:var(--text-2);text-align:center;}
.items-empty i{font-size:28px;opacity:.5;}

/* ---------- modals ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(4,5,10,.72);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;z-index:200;padding:20px;
}
.modal{
  width:520px;max-width:100%;max-height:88vh;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#161a2c,#111420);border:1px solid var(--panel-border-hi);
  border-radius:var(--radius-lg);box-shadow:0 30px 80px -20px rgba(0,0,0,.8);
  animation:modalIn .22s ease;
}
.modal.modal-sm{width:420px;}
@keyframes modalIn{from{opacity:0;transform:translateY(14px) scale(.98);}to{opacity:1;transform:translateY(0) scale(1);}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--panel-border);}
.modal-head h3{font-size:16px;display:flex;align-items:center;gap:9px;}
.modal-head h3 i{color:var(--accent-2);}
.modal-body{padding:20px 22px;overflow-y:auto;flex:1;}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 22px;border-top:1px solid var(--panel-border);}

.form-row{margin-bottom:16px;display:flex;flex-direction:column;gap:7px;}
.form-row label{font-size:12.5px;font-weight:600;color:var(--text-1);}
.row-label-with-total{display:flex;justify-content:space-between;align-items:baseline;}
.row-label-with-total span{color:var(--accent-2);font-family:var(--ff-display);font-weight:700;}
.form-row.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-row input[type=text],.form-row input[type=number],.form-row input[type=date],.form-row select{
  background:rgba(255,255,255,.05);border:1px solid var(--panel-border);color:var(--text-0);
  border-radius:var(--radius-sm);padding:11px 13px;font-size:13.5px;outline:none;font-family:var(--ff-body);width:100%;
  transition:border-color .15s;
}
.form-row input:focus,.form-row select:focus{border-color:var(--accent);}
.form-row input::placeholder{color:var(--text-2);}

.color-swatches{display:flex;gap:8px;flex-wrap:wrap;padding-top:4px;}
.color-swatch{width:28px;height:28px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:all .15s;}
.color-swatch.selected{border-color:#fff;transform:scale(1.1);}

.category-budget-rows{display:flex;flex-direction:column;gap:10px;}
.category-budget-row{display:flex;gap:8px;align-items:center;}
.category-budget-row input[type=text]{flex:1.3;}
.category-budget-row input[type=number]{flex:1;}
.category-budget-row .cat-color-dot{width:14px;height:14px;border-radius:50%;flex:none;}
.category-budget-row .remove-cat-row{
  width:32px;height:32px;flex:none;border-radius:8px;border:1px solid var(--panel-border);
  background:rgba(255,84,112,.08);color:var(--bad);cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.category-budget-row .remove-cat-row:hover{background:rgba(255,84,112,.2);}

/* ---------- toast ---------- */
#toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:400;}
.toast{
  display:flex;align-items:center;gap:10px;padding:13px 18px;border-radius:var(--radius-sm);
  background:var(--panel-solid);border:1px solid var(--panel-border-hi);box-shadow:var(--shadow-lg);
  font-size:13px;font-weight:500;color:var(--text-0);min-width:220px;
  animation:toastIn .25s ease;
}
.toast.success{border-color:rgba(46,230,166,.4);}
.toast.success i{color:var(--good);}
.toast.error{border-color:rgba(255,84,112,.4);}
.toast.error i{color:var(--bad);}
.toast.info i{color:var(--accent-2);}
@keyframes toastIn{from{opacity:0;transform:translateX(30px);}to{opacity:1;transform:translateX(0);}}
.toast.fade-out{animation:toastOut .25s ease forwards;}
@keyframes toastOut{to{opacity:0;transform:translateX(30px);}}

/* ---------- print report ---------- */
#print-report{display:none;}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .charts-row{grid-template-columns:1fr;}
}
@media (max-width:860px){
  #sidebar{position:fixed;left:0;top:0;height:100vh;margin-left:-300px;box-shadow:20px 0 60px rgba(0,0,0,.5);}
  #app-shell.sidebar-collapsed #sidebar{margin-left:-300px;}
  #app-shell:not(.sidebar-collapsed) #sidebar{margin-left:0;}
  .mobile-only{display:flex;}
  #main-content{padding:20px 16px 60px;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .toolbar-controls{width:100%;}
  .search-box{width:100%;}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr;}
  .form-row.two-col{grid-template-columns:1fr;}
  .modal{border-radius:16px;}
}

/* ---------- print styles ---------- */
@media print{
  body *{visibility:hidden;}
  #print-report,#print-report *{visibility:visible;}
  #print-report{display:block;position:absolute;top:0;left:0;width:100%;background:#fff;color:#000;padding:30px;}
}