@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg-base: #050510;
  --bg-surface: #0b0b1f;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(139,92,246,0.08);
  --sidebar-w: 220px;
  --header-h: 60px;
  --accent: #a855f7;
  --accent2: #06b6d4;
  --accent-grad: linear-gradient(135deg,#a855f7,#06b6d4);
  --accent-glow: 0 0 20px rgba(168,85,247,0.4);
  --text-1: #f0f0ff;
  --text-2: #7878aa;
  --text-3: #3a3a6a;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --border: rgba(139,92,246,0.12);
  --border-a: rgba(139,92,246,0.4);
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px;
  --shadow: 0 8px 32px rgba(0,0,0,0.6);
  --t: 0.2s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:'Space Grotesk',sans-serif;background:var(--bg-base);color:var(--text-1);font-size:14px}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit}
input,textarea,select{font-family:inherit}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(139,92,246,0.3);border-radius:2px}

/* ── ANIMATED BG GRID ──────────────────────────────────────── */
body::before {
  content:'';position:fixed;inset:0;z-index:0;
  background-image:
    linear-gradient(rgba(139,92,246,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(139,92,246,0.04) 1px,transparent 1px);
  background-size:48px 48px;
  animation:gridMove 20s linear infinite;
  pointer-events:none;
}
@keyframes gridMove{0%{transform:translateY(0)}100%{transform:translateY(48px)}}

#app,#main,#content,.login-page{position:relative;z-index:1}

/* ── LOGIN ───────────────────────────────────────────────── */
.login-page {
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 30% 40%,rgba(168,85,247,0.12) 0%,transparent 60%),
             radial-gradient(ellipse at 75% 60%,rgba(6,182,212,0.07) 0%,transparent 50%);
}
.login-card {
  background:rgba(11,11,31,0.95);
  border:1px solid var(--border-a);
  border-radius:var(--r-lg);
  padding:44px 38px;
  width:100%;max-width:400px;
  backdrop-filter:blur(24px);
  box-shadow:var(--shadow),0 0 60px rgba(168,85,247,0.08);
  animation:fadeUp .5s ease;
}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo img{height:28px;filter:brightness(1.1)}
.login-logo p{color:var(--text-2);font-size:12px;margin-top:10px;letter-spacing:1px;text-transform:uppercase}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:11px;font-weight:600;color:var(--text-2);margin-bottom:7px;text-transform:uppercase;letter-spacing:.6px}
.input-wrap{position:relative}
.input-wrap input{
  width:100%;padding:11px 14px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);border-radius:var(--r-sm);
  color:var(--text-1);font-size:14px;outline:none;transition:var(--t);
}
.input-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(168,85,247,0.15);background:rgba(168,85,247,0.05)}
.input-wrap .toggle-pw{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-2);font-size:15px}
.btn-login{
  width:100%;padding:12px;
  background:var(--accent-grad);border:none;border-radius:var(--r-sm);
  color:#fff;font-size:14px;font-weight:600;margin-top:8px;
  transition:var(--t);box-shadow:var(--accent-glow);letter-spacing:.3px;
}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(168,85,247,0.5)}
.login-error{color:var(--danger);font-size:12px;text-align:center;margin-top:10px;display:none}

/* ── APP SHELL ─────────────────────────────────────────── */
#app{display:flex;height:100vh;overflow:hidden}

/* Sidebar */
#sidebar{
  width:var(--sidebar-w);
  background:rgba(11,11,31,0.98);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;flex-shrink:0;
}
.sidebar-logo{
  padding:18px 16px 14px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
}
.sidebar-logo img{height:22px}
.sidebar-logo .logo-text{
  font-size:14px;font-weight:700;
  background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.sidebar-nav{flex:1;padding:10px 8px;overflow-y:auto}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);
  color:var(--text-2);font-weight:500;font-size:13px;
  transition:var(--t);margin-bottom:2px;
  border:1px solid transparent;
}
.nav-item:hover{color:var(--text-1);background:rgba(139,92,246,0.08);border-color:var(--border)}
.nav-item.active{
  color:var(--accent);background:rgba(168,85,247,0.12);
  border-color:rgba(168,85,247,0.25);
  box-shadow:inset 0 0 12px rgba(168,85,247,0.05);
}
.nav-item .nav-icon{font-size:16px;flex-shrink:0}
.sidebar-footer{padding:12px 8px;border-top:1px solid var(--border)}
.btn-logout{
  width:100%;padding:9px 12px;
  background:rgba(239,68,68,0.08);border:1px solid rgba(239,68,68,0.2);
  border-radius:var(--r-sm);color:var(--danger);font-size:12px;font-weight:600;
  transition:var(--t);letter-spacing:.3px;
}
.btn-logout:hover{background:rgba(239,68,68,0.18)}

/* Main */
#main{flex:1;display:flex;flex-direction:column;overflow:hidden}
#header{
  height:var(--header-h);
  background:rgba(11,11,31,0.98);
  border-bottom:1px solid var(--border);
  padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-shrink:0;
  backdrop-filter:blur(12px);
}
.header-title{font-size:16px;font-weight:700;letter-spacing:-.2px}
.header-right{display:flex;align-items:center;gap:14px}
.header-datetime{color:var(--text-2);font-size:12px;text-align:right}
.header-datetime .date{font-weight:600;color:var(--text-1);font-size:13px}
.user-badge{
  display:flex;align-items:center;gap:8px;
  background:rgba(168,85,247,0.08);border:1px solid var(--border-a);
  border-radius:20px;padding:5px 12px 5px 6px;
}
.user-avatar{
  width:26px;height:26px;background:var(--accent-grad);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:#fff;
}

#content{flex:1;overflow-y:auto;padding:24px}
.section{display:none;animation:fadeIn .25s ease}
.section.active{display:block}

/* ── STAT CARDS ──────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.stat-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);
  padding:18px;transition:var(--t);position:relative;overflow:hidden;
}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:var(--accent-grad);opacity:.8}
.stat-card::after{content:'';position:absolute;top:0;left:0;width:60px;height:60px;background:radial-gradient(circle,rgba(168,85,247,0.08),transparent);border-radius:50%}
.stat-card:hover{background:var(--bg-card-hover);border-color:var(--border-a);box-shadow:var(--accent-glow)}
.stat-icon{font-size:20px;margin-bottom:10px}
.stat-value{font-size:24px;font-weight:700;font-family:'Space Grotesk',sans-serif;letter-spacing:-.5px}
.stat-label{font-size:11px;color:var(--text-2);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);padding:18px}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-title{font-size:14px;font-weight:600}

/* ── TOOLBAR ─────────────────────────────────────────────── */
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.03);border:1px solid var(--border);
  border-radius:var(--r-sm);padding:8px 12px;flex:1;min-width:180px;
  transition:var(--t);
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(168,85,247,0.1)}
.search-box input{background:none;border:none;outline:none;color:var(--text-1);width:100%;font-size:13px}
.search-box svg{color:var(--text-3);flex-shrink:0}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--r-sm);font-size:13px;font-weight:600;border:none;transition:var(--t);white-space:nowrap;letter-spacing:.2px}
.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 0 16px rgba(168,85,247,0.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(168,85,247,0.5)}
.btn-secondary{background:rgba(255,255,255,0.04);border:1px solid var(--border);color:var(--text-1)}
.btn-secondary:hover{background:rgba(168,85,247,0.08);border-color:var(--border-a)}
.btn-danger{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.25);color:var(--danger)}
.btn-danger:hover{background:rgba(239,68,68,0.2)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-icon{padding:7px;background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text-2);font-size:13px;transition:var(--t)}
.btn-icon:hover{color:var(--accent);border-color:var(--border-a);background:rgba(168,85,247,0.08)}

/* ── TABLES ──────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse}
thead{background:rgba(168,85,247,0.04)}
th{padding:11px 14px;text-align:left;font-size:10px;font-weight:700;color:var(--text-2);text-transform:uppercase;letter-spacing:.7px;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:12px 14px;border-bottom:1px solid rgba(139,92,246,0.06);font-size:13px;vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(168,85,247,0.04)}
.actions-cell{display:flex;gap:5px}

/* ── BADGES ──────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:4px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.badge-success{background:rgba(16,185,129,0.12);color:#10b981}
.badge-danger{background:rgba(239,68,68,0.12);color:#ef4444}
.badge-warning{background:rgba(245,158,11,0.12);color:#f59e0b}
.badge-info{background:rgba(6,182,212,0.12);color:#06b6d4}
.badge-accent{background:rgba(168,85,247,0.12);color:var(--accent)}
.badge-tag{display:inline-flex;padding:2px 8px;border-radius:4px;font-size:11px;background:rgba(168,85,247,0.1);color:#c084fc;border:1px solid rgba(168,85,247,0.2)}

/* ── MODALS ──────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.8);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:opacity var(--t)}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:rgba(11,11,31,0.98);border:1px solid var(--border-a);border-radius:var(--r-lg);width:100%;max-width:580px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow),var(--accent-glow);transform:scale(.96) translateY(12px);transition:transform .25s ease,opacity .25s ease;opacity:0}
.modal-overlay.open .modal{transform:scale(1) translateY(0);opacity:1}
.modal-lg{max-width:760px}
.modal-header{padding:18px 22px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:15px;font-weight:700}
.modal-close{background:none;border:none;color:var(--text-2);font-size:20px;line-height:1;transition:var(--t)}
.modal-close:hover{color:var(--text-1)}
.modal-body{padding:18px 22px}
.modal-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}

/* ── FORM FIELDS ─────────────────────────────────────────── */
.field{margin-bottom:14px}
.field label{display:block;font-size:10px;font-weight:700;color:var(--text-2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.6px}
.field input,.field select,.field textarea{width:100%;padding:9px 12px;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text-1);font-size:13px;outline:none;transition:var(--t)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);background:rgba(168,85,247,0.05);box-shadow:0 0 0 3px rgba(168,85,247,0.1)}
.field select option{background:#0b0b1f}
.field textarea{resize:vertical;min-height:80px;line-height:1.6}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}

/* ── TABS ────────────────────────────────────────────────── */
.tabs{display:flex;gap:3px;background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:var(--r-sm);padding:3px;margin-bottom:18px;width:fit-content}
.tab{padding:7px 16px;border-radius:5px;font-size:12px;font-weight:600;color:var(--text-2);background:none;border:none;transition:var(--t);letter-spacing:.2px}
.tab.active{background:var(--accent-grad);color:#fff;box-shadow:0 0 12px rgba(168,85,247,0.4)}
.tab:hover:not(.active){color:var(--text-1);background:rgba(168,85,247,0.08)}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn .2s ease}

/* ── FINANCE ─────────────────────────────────────────────── */
.chart-wrap{position:relative;height:220px;margin-bottom:20px}
.finance-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.fin-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);padding:16px;text-align:center}
.fin-card .amount{font-size:22px;font-weight:700;letter-spacing:-.5px}
.fin-card .label{font-size:11px;color:var(--text-2);margin-top:4px;text-transform:uppercase;letter-spacing:.4px}
.fin-card.income .amount{color:var(--success)}
.fin-card.expense .amount{color:var(--danger)}
.fin-card.balance .amount{background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* ── NOTES ───────────────────────────────────────────────── */
.notes-layout{display:grid;grid-template-columns:260px 1fr;gap:16px}
.notes-list{display:flex;flex-direction:column;gap:6px}
.note-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-sm);padding:12px;cursor:pointer;transition:var(--t)}
.note-item:hover,.note-item.active{background:var(--bg-card-hover);border-color:var(--border-a)}
.note-item .note-title{font-weight:600;font-size:13px;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.note-item .note-meta{font-size:11px;color:var(--text-2)}
.note-editor{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);padding:18px}
.note-editor textarea{width:100%;background:none;border:none;outline:none;color:var(--text-1);font-size:14px;line-height:1.7;resize:none;min-height:280px}

/* ── LINKS ───────────────────────────────────────────────── */
.links-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.link-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);padding:18px;transition:var(--t);cursor:pointer;display:flex;flex-direction:column;gap:8px}
.link-card:hover{background:var(--bg-card-hover);border-color:var(--border-a);transform:translateY(-2px);box-shadow:var(--accent-glow)}
.link-icon{font-size:24px}
.link-name{font-weight:700;font-size:13px}
.link-desc{font-size:12px;color:var(--text-2);line-height:1.5;flex:1}
.link-footer{display:flex;align-items:center;justify-content:space-between}
.link-cat{font-size:10px;color:var(--text-3);text-transform:uppercase;letter-spacing:.4px}

/* ── BUSCADOR ────────────────────────────────────────────── */
.search-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);padding:20px;margin-bottom:20px}
.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);padding:14px;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;transition:var(--t)}
.result-card:hover{background:var(--bg-card-hover);border-color:var(--border-a)}
.result-info .biz-name{font-weight:700;margin-bottom:3px}
.result-info .biz-meta{font-size:12px;color:var(--text-2)}

/* ── RENEWAL / EMPTY ─────────────────────────────────────── */
.renewal-item{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border)}
.renewal-item:last-child{border-bottom:none}
.urgent{color:var(--danger)!important;font-weight:700}
.empty-state{text-align:center;padding:50px 20px;color:var(--text-2)}
.empty-state .empty-icon{font-size:40px;margin-bottom:12px;opacity:.4}
.empty-state h3{font-size:15px;color:var(--text-1);margin-bottom:6px}
.empty-state p{font-size:13px}

/* ── TOAST ───────────────────────────────────────────────── */
#toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:6px}
.toast{background:rgba(11,11,31,0.98);border:1px solid var(--border-a);border-radius:var(--r-sm);padding:12px 18px;font-size:13px;min-width:220px;box-shadow:var(--shadow),var(--accent-glow);animation:fadeUp .3s ease;display:flex;align-items:center;gap:8px}
.toast.success{border-left:2px solid var(--success)}
.toast.error{border-left:2px solid var(--danger)}
.toast.info{border-left:2px solid var(--accent)}
.toast.warning{border-left:2px solid var(--warning)}

/* ── ANIMATIONS ──────────────────────────────────────────── */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media(max-width:900px){
  #sidebar{width:56px}
  .sidebar-logo .logo-text,.nav-item span{display:none}
  .nav-item{justify-content:center;padding:10px}
  .sidebar-logo{justify-content:center;padding:14px 6px}
  #content{padding:14px}
  .notes-layout{grid-template-columns:1fr}
  .finance-summary{grid-template-columns:1fr}
  .form-row,.form-row-3{grid-template-columns:1fr}
}
@media(max-width:600px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .links-grid{grid-template-columns:1fr 1fr}
}