@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f1117;--surface:#181c27;--surface2:#1e2436;--border:#2a3050;
  --accent:#4f9cf9;--accent2:#7c3aed;--green:#22c55e;--red:#ef4444;--amber:#f59e0b;
  --text:#e8ecf4;--muted:#8892b0;--card:#1a2035;
  --serif:'DM Serif Display',serif;--sans:'DM Sans',sans-serif;
}
html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}

/* LOGIN */
#login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 30% 50%,rgba(79,156,249,.08) 0%,transparent 60%),radial-gradient(ellipse at 70% 20%,rgba(124,58,237,.08) 0%,transparent 50%),var(--bg);position:relative}
#login-page::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.03) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.login-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:48px 40px;width:380px;position:relative;z-index:1;box-shadow:0 25px 80px rgba(0,0,0,.5)}
.login-logo{font-family:var(--serif);font-size:28px;color:var(--accent);margin-bottom:6px}
.login-tagline{color:var(--muted);font-size:13px;margin-bottom:32px}
.field-group{margin-bottom:16px}
.field-group label{display:block;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px}
.field-group input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--text);font-family:inherit;font-size:14px;outline:none;transition:border-color .2s}
.field-group input:focus{border-color:var(--accent)}
.field-group input::placeholder{color:var(--muted)}
.login-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:10px 14px;font-size:13px;color:var(--red);margin-bottom:16px;display:none}
.btn-auth{width:100%;background:var(--accent);color:#fff;border:none;border-radius:10px;padding:13px;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s;margin-top:4px}
.btn-auth:hover{background:#3b87e8}
.btn-auth:disabled{opacity:.6;cursor:default}
.login-hint{text-align:center;margin-top:18px;font-size:12px;color:var(--muted)}
.login-hint span{color:var(--accent);cursor:pointer}
.login-hint span:hover{text-decoration:underline}

/* SIDEBAR */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:220px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0;z-index:100}
.sidebar-logo{font-family:var(--serif);font-size:22px;color:var(--accent);padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}
.sidebar-logo small{display:block;font-family:var(--sans);font-size:10px;font-weight:400;color:var(--muted);margin-top:2px;letter-spacing:.1em;text-transform:uppercase}
a.nav-item{text-decoration:none}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 20px;font-size:13.5px;font-weight:500;color:var(--muted);cursor:pointer;border-left:3px solid transparent;transition:all .15s}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.03)}
.nav-item.active{color:var(--accent);border-left-color:var(--accent);background:rgba(79,156,249,.07)}
.nav-icon{width:15px;height:15px;flex-shrink:0;opacity:.7}
.nav-item.active .nav-icon{opacity:1}
.sidebar-footer{margin-top:auto;padding:16px 20px;border-top:1px solid var(--border)}
.user-name{font-size:13px;font-weight:600;color:var(--text);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-email{font-size:11px;color:var(--muted);margin-bottom:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.btn-logout{width:100%;background:transparent;border:1px solid var(--border);border-radius:8px;padding:9px;color:var(--muted);font-family:inherit;font-size:13px;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:6px}
.btn-logout:hover{border-color:var(--red);color:var(--red)}

/* MAIN */
.main-content{margin-left:220px;min-height:100vh;padding:32px;animation:fadeUp .25s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.page-title{font-family:var(--serif);font-size:26px;color:var(--text);margin-bottom:4px}
.page-sub{font-size:13px;color:var(--muted);margin-bottom:24px}

/* FILTER BAR */
.filter-bar{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 18px}
.filter-bar label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);white-space:nowrap}
.filter-bar select,.filter-bar input[type=date],.filter-bar input[type=text]{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:7px 12px;color:var(--text);font-family:inherit;font-size:13px;outline:none;transition:border-color .2s}
.filter-bar select:focus,.filter-bar input:focus{border-color:var(--accent)}
.filter-bar select option{background:var(--surface2)}
.btn-filter{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s}
.btn-filter:hover{background:#3b87e8}
.btn-clear{background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:8px;padding:7px 14px;font-family:inherit;font-size:13px;cursor:pointer;transition:all .15s}
.btn-clear:hover{border-color:var(--text);color:var(--text)}

/* STAT CARDS */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px 22px;position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent-c,var(--accent));opacity:.7}
.stat-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:10px}
.stat-value{font-family:var(--serif);font-size:22px;color:var(--text);line-height:1;margin-bottom:6px}
.stat-change{font-size:12px;color:var(--muted)}
.stat-value.pos{color:var(--green)}.stat-value.neg{color:var(--red)}

/* ACCOUNT MINI CARDS */
.acct-row{display:grid;gap:12px;margin-bottom:20px}
.acct-mini{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.acct-mini-name{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:6px}
.acct-mini-bal{font-family:var(--serif);font-size:18px;color:var(--accent)}

/* CHARTS */
.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
.chart-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px}
.chart-title{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:16px}
.chart-wrap{position:relative;height:200px}

/* SPENDING BREAKDOWN */
.summary-section{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:20px}
.section-title{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:16px}
.category-bars{display:flex;flex-direction:column;gap:10px}
.cat-bar-row{display:flex;align-items:center;gap:12px}
.cat-bar-label{font-size:12px;color:var(--text);width:120px;flex-shrink:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cat-bar-track{flex:1;height:6px;background:var(--surface2);border-radius:100px;overflow:hidden}
.cat-bar-fill{height:100%;border-radius:100px;transition:width .4s ease}
.cat-bar-amount{font-size:12px;color:var(--muted);width:84px;text-align:right;flex-shrink:0}

/* TABLE */
.table-card{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-bottom:20px}
.table-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.table-title{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}
.table-count{font-size:12px;color:var(--muted);background:var(--surface2);padding:3px 10px;border-radius:100px}
.table-wrap{overflow-x:auto}
table.txn{width:100%;border-collapse:collapse;font-size:13px}
table.txn thead th{background:var(--surface2);color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.6px;padding:11px 16px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--border)}
table.txn thead th.sort{cursor:pointer;user-select:none}
table.txn thead th.sort:hover{color:var(--text)}
table.txn thead th.r,table.txn tbody td.r{text-align:right}
table.txn tbody tr{border-bottom:1px solid rgba(42,48,80,.5);transition:background .1s}
table.txn tbody tr:hover{background:rgba(255,255,255,.025)}
table.txn tbody td{padding:10px 16px;white-space:nowrap}
.tx-date{font-size:12px;color:var(--muted)}
.tx-cat{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--muted);background:var(--surface2);padding:3px 9px;border-radius:100px}
.cat-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}
.tx-amt{font-size:13px;font-weight:600}
.tx-amt.income{color:var(--green)}.tx-amt.expense{color:var(--red)}
.badge{display:inline-block;padding:2px 10px;border-radius:100px;font-size:11px;font-weight:600}
.badge.income{background:rgba(34,197,94,.12);color:var(--green)}
.badge.expense{background:rgba(239,68,68,.12);color:var(--red)}

/* PAGINATION */
.pagination{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);flex-wrap:wrap;gap:8px}
.page-btns{display:flex;gap:5px;flex-wrap:wrap}
.page-btn{background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:5px 11px;color:var(--text);font-family:inherit;font-size:12px;cursor:pointer;transition:all .15s}
.page-btn:hover,.page-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.page-btn:disabled{opacity:.4;cursor:default;pointer-events:none}

/* FORM / ADD */
.input-section{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:26px;margin-bottom:20px}
.input-section-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:20px;display:flex;align-items:center;gap:8px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.form-grid .full{grid-column:span 3}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.form-field input,.form-field select{background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:10px 14px;color:var(--text);font-family:inherit;font-size:13.5px;outline:none;transition:border-color .2s}
.form-field input:focus,.form-field select:focus{border-color:var(--accent)}
.form-field select option{background:var(--surface2)}
.form-field input::placeholder{color:var(--muted)}
.type-toggle{display:flex;gap:8px}
.type-btn{flex:1;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--muted);font-family:inherit;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:all .2s}
.type-btn.a-exp{background:rgba(239,68,68,.1);color:var(--red);border-color:rgba(239,68,68,.3)}
.type-btn.a-inc{background:rgba(34,197,94,.1);color:var(--green);border-color:rgba(34,197,94,.3)}
.bal-preview{font-size:12px;color:var(--muted);margin-top:4px;min-height:16px}
.form-actions{display:flex;gap:12px;margin-top:22px}
.btn-submit{background:var(--green);color:#fff;border:none;border-radius:10px;padding:13px 32px;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}
.btn-submit:hover{background:#16a34a}
.btn-submit:disabled{opacity:.6;cursor:default}
.btn-secondary{background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:10px;padding:13px 22px;font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s}
.btn-secondary:hover{border-color:var(--text);color:var(--text)}
.acct-bal-cards{display:grid;gap:12px}
.acct-bal-card{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:14px 16px}
.acct-bal-name{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:6px}
.acct-bal-val{font-family:var(--serif);font-size:20px;color:var(--accent)}

/* ACCOUNTS PAGE */
.acct-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}
.acct-item{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;position:relative}
.acct-item-name{font-family:var(--serif);font-size:20px;color:var(--text);margin-bottom:6px}
.acct-item-bal{font-family:var(--serif);font-size:26px;color:var(--accent);margin-bottom:8px}
.acct-item-sub{font-size:12px;color:var(--muted)}
.del-btn{position:absolute;top:14px;right:14px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--muted);padding:4px 10px;font-size:11px;cursor:pointer;transition:all .15s}
.del-btn:hover{border-color:var(--red);color:var(--red)}

/* FORECAST */
.forecast-controls{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-bottom:20px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 20px}
.fc-group{display:flex;flex-direction:column;gap:6px;min-width:180px}
.fc-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.fc-val{font-size:14px;font-weight:600;color:var(--accent)}
.forecast-controls input[type=range]{accent-color:var(--accent);width:160px}

/* EMPTY STATE */
.empty-state{text-align:center;padding:44px 20px;color:var(--muted);font-size:13px}
.empty-state strong{display:block;font-family:var(--serif);font-size:22px;color:var(--text);margin-bottom:6px}

/* TOAST */
.toast{position:fixed;bottom:24px;right:24px;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:12px 18px;font-size:13px;font-weight:500;transform:translateY(80px);opacity:0;transition:all .3s ease;z-index:9999;display:flex;align-items:center;gap:10px;box-shadow:0 8px 30px rgba(0,0,0,.4)}
.toast.show{transform:translateY(0);opacity:1}
.toast.ok{border-color:rgba(34,197,94,.35);color:var(--green)}
.toast.err{border-color:rgba(239,68,68,.35);color:var(--red)}

/* SORTABLE TABLE HEADERS */
th.sortable{cursor:pointer;user-select:none}
th.sortable:hover{color:var(--text)}
.sort-ind{opacity:.6;font-size:10px}

/* ROW ACTION BUTTONS */
.btn-row-action{background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--muted);padding:4px 10px;font-size:11px;font-family:inherit;cursor:pointer;transition:all .15s}
.btn-row-action:hover{border-color:var(--accent);color:var(--accent)}
.btn-row-action.del:hover{border-color:var(--red);color:var(--red)}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:500;backdrop-filter:blur(2px)}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px 32px;width:520px;max-width:96vw}
.modal-title{font-family:var(--serif);font-size:20px;color:var(--text);margin-bottom:20px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ADD CARD */
.add-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px;margin-bottom:20px;max-width:680px}
.type-btn.active{background:rgba(239,68,68,.1);color:var(--red);border-color:rgba(239,68,68,.3)}
#btn-income.active{background:rgba(34,197,94,.1);color:var(--green);border-color:rgba(34,197,94,.3)}
.req{color:var(--red);font-size:10px}
.balance-preview{display:flex;align-items:center;justify-content:space-between;background:var(--surface2);border:1px solid var(--border);border-radius:9px;padding:10px 14px;margin-top:4px;font-size:13px}
.preview-label{color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px}
.field-group select{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--text);font-family:inherit;font-size:14px;outline:none;transition:border-color .2s}
.field-group select:focus{border-color:var(--accent)}
.field-group select option{background:var(--surface2)}

/* FORECAST SLIDERS */
.slider-group{display:flex;flex-direction:column;gap:6px;min-width:200px;flex:1}
.slider-group label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.slider-val{color:var(--accent);font-family:inherit;font-weight:700}
.slider-group input[type=range]{accent-color:var(--accent);width:100%;cursor:pointer}

/* ACCOUNTS GRID */
.acct-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:20px}
.acct-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px}
.acct-card-header{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.acct-card-icon{width:16px;height:16px;color:var(--accent);flex-shrink:0}
.acct-card-type{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);flex:1;text-transform:capitalize}
.acct-card-actions{display:flex;gap:6px}
.acct-card-name{font-family:var(--serif);font-size:18px;color:var(--text);margin-bottom:8px}
.acct-card-bal{font-family:var(--serif);font-size:24px}
.acct-card-bal.pos{color:var(--green)}.acct-card-bal.neg{color:var(--red)}

/* PAGINATION (pg-btn style) */
.pagination{display:flex;align-items:center;justify-content:center;gap:4px;padding:14px 20px;border-top:1px solid var(--border);flex-wrap:wrap}
.pg-btn{background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:5px 11px;color:var(--text);font-family:inherit;font-size:12px;cursor:pointer;transition:all .15s}
.pg-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.pg-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.pg-btn:disabled{opacity:.4;cursor:default;pointer-events:none}
.pg-ellipsis{padding:5px 4px;color:var(--muted);font-size:12px}

@media(max-width:860px){
  .sidebar{transform:translateX(-220px)}
  .main-content{margin-left:0;padding:20px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .charts-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr 1fr}
  .form-grid .full{grid-column:span 2}
  .acct-list{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
}