/* ---- RESET & BASE ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --accent:#7c5cff;--accent-hover:#6a4ce0;--accent-light:#e8e2ff;
  --success:#34d399;--warning:#fbbf24;--danger:#f87171;
  --radius:8px;--radius-lg:12px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
[data-theme="light"]{
  --bg:#f4f5f9;--bg-elevated:#fff;--bg-card:#fff;
  --text:#1a1a2e;--text-secondary:#555;--text-faint:#999;
  --border:#e2e4ec;--border-light:#eef0f5;
  --shadow:0 2px 12px rgba(0,0,0,0.06);--shadow-lg:0 8px 30px rgba(0,0,0,0.1);
  --splash-bg:#f0f0f5;--splash-text:#1a1a2e;--topbar-bg:#1a1a2e;
}
[data-theme="dark"]{
  --bg:#0f0f1a;--bg-elevated:#1a1a2e;--bg-card:#1e1e32;
  --text:#e8e8f0;--text-secondary:#a0a0b8;--text-faint:#6a6a80;
  --border:#2a2a40;--border-light:#222238;
  --shadow:0 2px 12px rgba(0,0,0,0.3);--shadow-lg:0 8px 30px rgba(0,0,0,0.4);
  --splash-bg:#0f0f1a;--splash-text:#e8e8f0;--topbar-bg:#0a0a14;
}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;transition:background .3s,color .3s;}

/* ---- SPLASH ---- */
.splash-screen{
  position:fixed;inset:0;z-index:9999;
  display:flex;align-items:center;justify-content:center;
  background:var(--splash-bg);color:var(--splash-text);
  transition:opacity .5s,visibility .5s;
}
.splash-screen.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.splash-content{text-align:center;}
.splash-workspace{font-size:11px;text-transform:uppercase;letter-spacing:3px;color:var(--accent);margin-bottom:12px;}
.splash-title{font-size:42px;font-weight:800;letter-spacing:-1px;margin-bottom:6px;background:linear-gradient(135deg,#7c5cff,#b86cff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.splash-subtitle{font-size:16px;color:var(--text-faint);margin-bottom:24px;}
.splash-dots{display:flex;justify-content:center;gap:8px;margin-bottom:20px;}
.splash-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:splashPulse 1.2s ease-in-out infinite;}
.splash-dot:nth-child(2){animation-delay:.2s;}
.splash-dot:nth-child(3){animation-delay:.4s;}
@keyframes splashPulse{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:1;transform:scale(1.3)}}
.splash-logo-img{height:135px;width:auto;margin-bottom:16px;display:inline-block;}
.splash-brand{font-size:11px;color:var(--text-faint);letter-spacing:2px;text-transform:uppercase;}

/* ---- LAYOUT ---- */
.app{display:flex;flex-direction:column;min-height:100vh;}

/* ---- TOPBAR ---- */
.topbar{background:var(--topbar-bg);color:#fff;padding:0 24px;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.06);}
.topbar-inner{display:flex;align-items:center;height:52px;gap:18px;max-width:1400px;margin:0 auto;}
.logo{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;letter-spacing:-.3px;white-space:nowrap;}
.logo-mark{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--accent);border-radius:6px;}
.logo small{font-weight:400;font-size:11px;opacity:.6;margin-left:6px;display:none;}
@media(min-width:600px){.logo small{display:inline;}}
.nav-tabs{display:flex;gap:2px;overflow-x:auto;flex:1;}
.navtab{display:flex;align-items:center;gap:5px;padding:0 10px;height:52px;border:none;background:none;color:rgba(255,255,255,.6);font-size:12.5px;font-weight:500;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;}
.navtab:hover{color:#fff;}
.navtab.active{color:#fff;border-bottom-color:var(--accent);}
.navtab svg{width:14px;height:14px;flex-shrink:0;}
.topbar-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.theme-toggle{background:none;border:none;color:rgba(255,255,255,.6);cursor:pointer;padding:4px;border-radius:6px;display:flex;align-items:center;transition:color .2s;}
.theme-toggle:hover{color:#fff;}
.theme-toggle svg{width:18px;height:18px;}
[data-theme="dark"] .theme-icon-light{display:none;}
[data-theme="light"] .theme-icon-dark{display:none;}
.brand-top{display:flex;align-items:center;padding:0 8px;opacity:.8;}
.brand-logo-img{height:48px;width:auto;}
.lang-select{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.15);border-radius:6px;padding:3px 8px;font-size:11px;font-weight:600;cursor:pointer;outline:none;}
.lang-select option{background:#1a1a2e;color:#fff;}
.help-btn{width:28px;height:28px;border-radius:50%;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);font-size:13px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;}
.help-btn:hover{background:rgba(255,255,255,.15);color:#fff;}
.user-chip{display:flex;align-items:center;gap:8px;cursor:pointer;padding:3px 10px 3px 3px;border-radius:20px;background:rgba(255,255,255,.08);transition:background .2s;}
.user-chip:hover{background:rgba(255,255,255,.14);}
.avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0;}
#userNameEl{font-size:12.5px;font-weight:500;white-space:nowrap;}

/* ---- CONTENT ---- */
.content{flex:1;display:flex;}
.content-inner{flex:1;padding:24px;max-width:1400px;margin:0 auto;width:100%;}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.section-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;gap:12px;flex-wrap:wrap;}
.section-head h1{font-size:22px;font-weight:700;letter-spacing:-.5px;}
.section-head p{font-size:13px;color:var(--text-secondary);margin-top:2px;}
.head-actions{display:flex;gap:8px;flex-shrink:0;}

/* ---- STATS ---- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px;}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;transition:box-shadow .2s;}
.stat-card:hover{box-shadow:var(--shadow);}
.stat-card .label{font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-faint);font-weight:600;margin-bottom:4px;}
.stat-card .value{font-size:28px;font-weight:700;letter-spacing:-1px;color:var(--text);}
.stat-card .delta{font-size:11px;margin-top:4px;}
.delta.up{color:var(--success);}.delta.down{color:var(--danger);}.delta.neutral{color:var(--text-faint);}

/* ---- PANELS ---- */
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px;}
@media(max-width:800px){.panel-grid{grid-template-columns:1fr;}}
.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.panel-title{font-size:13px;font-weight:600;padding:14px 18px;border-bottom:1px solid var(--border);color:var(--text);}
.panel-body{padding:14px 18px;font-size:13px;color:var(--text-secondary);}

/* ---- CHARTS ---- */
.charts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px;}
@media(max-width:900px){.charts-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.charts-grid{grid-template-columns:1fr;}}
.chart-container{height:220px;position:relative;padding:10px 14px;}

/* ---- TOOLBAR ---- */
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
.search-input{flex:1;min-width:180px;padding:8px 13px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);color:var(--text);font-size:13px;outline:none;transition:border .2s;}
.search-input:focus{border-color:var(--accent);}

/* ---- TABLE ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);}
table{width:100%;border-collapse:collapse;font-size:13px;}
th{text-align:left;padding:10px 14px;font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-faint);font-weight:600;border-bottom:1px solid var(--border);background:var(--bg-card);white-space:nowrap;}
td{padding:10px 14px;border-bottom:1px solid var(--border-light);color:var(--text);}
tr:last-child td{border-bottom:none;}
tr.clickable-row{cursor:pointer;transition:background .15s;}
tr.clickable-row:hover{background:var(--accent-light);}
[data-theme="dark"] tr.clickable-row:hover{background:rgba(124,92,255,.08);}
.action-btns{display:flex;gap:4px;white-space:nowrap;}
.btn{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;border-radius:var(--radius);font-size:12.5px;font-weight:500;cursor:pointer;border:none;transition:all .2s;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-hover);}
.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border);}
.btn-ghost:hover{background:var(--border-light);color:var(--text);}
.btn-xs{padding:3px 5px;font-size:11px;}
.btn-icon{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--text-faint);cursor:pointer;border-radius:var(--radius);transition:background .2s,color .2s;}
.btn-icon:hover{background:var(--border-light);color:var(--text);}
.btn-icon svg{width:16px;height:16px;}

/* ---- BUTTONS VARIANTS ---- */
.btn-sm{padding:5px 10px;font-size:11px;}

/* ---- CLIENT HEADER IN MODAL ---- */
.side-client-header{display:flex;gap:14px;align-items:center;margin-bottom:16px;}
.side-client-avatar{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff;flex-shrink:0;}
.side-client-info h2{font-size:17px;font-weight:600;margin-bottom:2px;}
.side-client-info p{font-size:12.5px;color:var(--text-secondary);}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;}
.side-stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;}
.side-stat-label{font-size:9.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-faint);font-weight:600;display:block;margin-bottom:2px;}
.side-stat-value{font-size:18px;font-weight:700;color:var(--text);}
.side-divider{height:1px;background:var(--border);margin:14px 0;}
.form-section-title,.detail-section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--accent);margin:0 0 10px;}
.detail-section-title{margin-top:14px;}
.invoice-line-row .form-group input{font-size:12px;padding:6px 8px;}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.detail-grid .field{display:flex;flex-direction:column;gap:1px;}
.detail-grid .field-label{font-size:10px;text-transform:uppercase;letter-spacing:.4px;color:var(--text-faint);font-weight:600;}
.detail-grid .field-value{font-size:13px;color:var(--text);}
.detail-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:6px;}
.detail-header{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--text);}

/* ---- MODAL ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(5,6,10,.65);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;}
.modal-overlay.hidden{display:none;}
.modal{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-lg);width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);}
.modal-wide{max-width:620px;}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
.modal-head h3{margin:0;font-size:15.5px;}
.modal-close{background:none;border:none;font-size:22px;color:var(--text-secondary);cursor:pointer;padding:0 4px;line-height:1;}
.modal-body{padding:20px;}
.modal-foot{padding:16px 20px 20px;display:flex;justify-content:flex-end;gap:10px;}

/* ---- FORM ---- */
.form-group{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;}
.form-group label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;color:var(--text-faint);}
.form-group input,.form-group select{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);color:var(--text);font-size:13px;outline:none;transition:border .2s;}
.form-group input:focus,.form-group select:focus{border-color:var(--accent);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media(max-width:500px){.form-row{grid-template-columns:1fr;}}
select{cursor:pointer;}
select option{background:var(--bg-elevated);color:var(--text);}

/* ---- COLOR SWATCHES ---- */
.color-swatches{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px;}
.color-swatch{width:28px;height:28px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:border-color .2s;}
.color-swatch.active,.color-swatch:hover{border-color:var(--accent);}

/* ---- HELP ---- */
.help-list{list-style:none;display:flex;flex-direction:column;gap:12px;}
.help-list li{font-size:13px;color:var(--text-secondary);line-height:1.5;padding-left:16px;position:relative;}
.help-list li::before{content:"\2022";position:absolute;left:0;color:var(--accent);font-weight:700;}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px;}
::-webkit-scrollbar-thumb:hover{background:var(--text-faint);}

/* ---- RESPONSIVE ---- */
@media(max-width:768px){
  .content-inner{padding:16px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
}