/* ── Reset & Base ─────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root,.dark{
  --bg-page:#07070a;
  --bg-card:rgba(18,18,26,0.72);
  --bg-card-hover:rgba(28,28,40,0.82);
  --bg-glass:rgba(255,255,255,0.03);
  --border-glass:rgba(255,255,255,0.06);
  --border-glass-strong:rgba(255,255,255,0.10);
  --text-primary:#eeeef2;
  --text-secondary:#9696a8;
  --text-muted:#5e5e72;
  --gold:#e5a93c;
  --gold-light:#f0c265;
  --blue:#64b5f6;
  --blue-light:#90caf9;
  --red:#e57373;
  --green:#81c784;
  --purple:#ce93d8;
  --orange:#ffb74d;
  --radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;
  --orb-gold:rgba(229,169,60,0.10);
  --orb-blue:rgba(100,181,246,0.07);
  --orb-purple:rgba(206,147,216,0.05);
  --chart-bg:rgba(12,12,18,0.92);
  --btn-disconnect-hover:rgba(229,115,115,0.06);
  --table-even:rgba(255,255,255,0.015);
  --table-hover:rgba(255,255,255,0.03);
  --shimmer:rgba(255,255,255,0.04);
  --shimmer-after:rgba(255,255,255,0.06);
}

.light{
  --bg-page:#f4f3f8;
  --bg-card:rgba(255,255,255,0.75);
  --bg-card-hover:rgba(255,255,255,0.90);
  --bg-glass:rgba(0,0,0,0.03);
  --border-glass:rgba(0,0,0,0.08);
  --border-glass-strong:rgba(0,0,0,0.14);
  --text-primary:#1a1a26;
  --text-secondary:#5a5a6e;
  --text-muted:#9090a4;
  --gold:#c48a20;
  --gold-light:#d49a30;
  --blue:#1976d2;
  --blue-light:#42a5f5;
  --red:#d32f2f;
  --green:#388e3c;
  --purple:#7b1fa2;
  --orange:#e65100;
  --orb-gold:rgba(196,138,32,0.08);
  --orb-blue:rgba(25,118,210,0.05);
  --orb-purple:rgba(123,31,162,0.04);
  --chart-bg:rgba(255,255,255,0.95);
  --btn-disconnect-hover:rgba(211,47,47,0.08);
  --table-even:rgba(0,0,0,0.02);
  --table-hover:rgba(0,0,0,0.03);
  --shimmer:rgba(0,0,0,0.04);
  --shimmer-after:rgba(0,0,0,0.06);
}

html{font-size:15px}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg-page);
  color:var(--text-primary);
  min-height:100vh;line-height:1.55;
  -webkit-font-smoothing:antialiased
}

/* ── Orbs ──────────────────────────────────────────────────────── */
.orb{position:fixed;border-radius:50%;filter:blur(80px);opacity:0.12;pointer-events:none;z-index:0}
.orb-gold{width:500px;height:300px;background:var(--orb-gold);top:-80px;left:-100px;opacity:0.6}
.orb-blue{width:400px;height:400px;background:var(--orb-blue);bottom:-120px;right:-80px;opacity:0.5}
.orb-purple{width:300px;height:300px;background:var(--orb-purple);top:50%;left:50%;opacity:0.4;transform:translate(-50%,-50%)}

/* ── Header ────────────────────────────────────────────────────── */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,7,10,0.82);backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border-glass);
  padding:1rem 2rem;display:flex;align-items:center;
  justify-content:space-between;flex-wrap:wrap;gap:0.75rem
}
.light .header{background:rgba(244,243,248,0.85)}
.header-inner{display:flex;align-items:center;gap:0.85rem}
.header-logo{
  width:36px;height:36px;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--gold),var(--gold-light));
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0
}
.header-title-group{display:flex;flex-direction:column;gap:0}
.header-title{font-size:1.15rem;font-weight:700;letter-spacing:-0.02em;color:var(--text-primary);line-height:1.3}
.header-sub{font-size:0.72rem;color:var(--text-muted);font-weight:500;letter-spacing:0.03em;text-transform:uppercase}
.header-meta{display:flex;align-items:center;gap:1rem}
.date-range{font-size:0.78rem;color:var(--text-muted);background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:999px;padding:0.3rem 0.85rem;white-space:nowrap}
.btn-icon{
  background:none;border:1px solid var(--border-glass);color:var(--text-muted);
  width:32px;height:32px;border-radius:999px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all 0.2s;font-size:0
}
.btn-icon:hover{background:var(--bg-glass);color:var(--text-secondary)}
.btn-icon svg{width:15px;height:15px}
.dark .icon-sun{display:none}
.light .icon-moon{display:none}
.btn-refresh{
  background:linear-gradient(135deg,rgba(229,169,60,0.12),rgba(229,169,60,0.06));
  border:1px solid rgba(229,169,60,0.20);color:var(--gold);
  padding:0.4rem 1rem;border-radius:999px;cursor:pointer;
  font-size:0.78rem;font-weight:500;font-family:inherit;
  display:inline-flex;align-items:center;gap:0.45rem;transition:all 0.2s ease
}
.btn-refresh:hover{background:linear-gradient(135deg,rgba(229,169,60,0.20),rgba(229,169,60,0.10));border-color:rgba(229,169,60,0.35);transform:translateY(-1px)}
.btn-refresh:active{transform:scale(0.96)}
.btn-refresh svg{transition:transform 0.3s ease}
.btn-refresh:hover svg{transform:rotate(90deg)}
.btn-refresh.spinning svg{animation:spin 0.7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.btn-disconnect{
  background:none;border:1px solid var(--border-glass);color:var(--text-muted);
  padding:0.35rem 0.7rem;border-radius:999px;cursor:pointer;
  font-size:0.7rem;font-family:inherit;transition:all 0.2s
}
.btn-disconnect:hover{border-color:var(--red);color:var(--red);background:var(--btn-disconnect-hover)}

/* ── Main ──────────────────────────────────────────────────────── */
.main{position:relative;z-index:1;max-width:1360px;margin:0 auto;padding:1.75rem 1.75rem 2.5rem}

/* ── Section headings ──────────────────────────────────────────── */
.section-label{font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--text-muted);margin-bottom:0.9rem}

/* ── KPI Cards ────────────────────────────────────────────────── */
.kpi-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;margin-bottom:2rem}
.kpi-icon{
  width:34px;height:34px;border-radius:10px;display:flex;
  align-items:center;justify-content:center;margin-bottom:0.6rem;position:relative;z-index:1
}
.kpi-revenue .kpi-icon{background:rgba(229,169,60,0.12);color:var(--gold)}
.kpi-barber .kpi-icon{background:rgba(100,181,246,0.12);color:var(--blue)}
.kpi-owner .kpi-icon{background:rgba(240,194,101,0.12);color:var(--gold-light)}
.kpi-customers .kpi-icon{background:rgba(129,199,132,0.12);color:var(--green)}
.kpi-avg .kpi-icon{background:rgba(206,147,216,0.12);color:var(--purple)}
.kpi-skeleton{
  display:inline-block;height:1.4rem;width:80%;border-radius:6px;
  background:var(--shimmer);position:relative;overflow:hidden
}
.kpi-skeleton::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--shimmer-after),transparent);animation:shimmer 1.8s ease-in-out infinite}
.kpi-card{
  position:relative;overflow:hidden;padding:1.2rem 1.25rem;
  border-radius:var(--radius-lg);background:var(--bg-card);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid var(--border-glass);transition:all 0.25s ease;
  cursor:default;animation:fadeSlideUp 0.5s ease both
}
.kpi-card:hover{background:var(--bg-card-hover);border-color:var(--border-glass-strong);transform:translateY(-2px)}
.kpi-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;border-radius:0 0 3px 3px}
.kpi-card::after{content:'';position:absolute;top:0;right:0;width:120px;height:120px;border-radius:50%;opacity:0.06;transform:translate(30%,-30%);pointer-events:none}
.kpi-revenue::before{background:linear-gradient(90deg,var(--gold),var(--gold-light))}
.kpi-revenue::after{background:var(--gold)}
.kpi-barber::before{background:linear-gradient(90deg,var(--blue),var(--blue-light))}
.kpi-barber::after{background:var(--blue)}
.kpi-owner::before{background:linear-gradient(90deg,#f0c265,#f5d48a)}
.kpi-owner::after{background:#f0c265}
.kpi-customers::before{background:linear-gradient(90deg,var(--green),#a5d6a7)}
.kpi-customers::after{background:var(--green)}
.kpi-avg::before{background:linear-gradient(90deg,var(--purple),#e1bee7)}
.kpi-avg::after{background:var(--purple)}
.kpi-label{font-size:0.68rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:0.4rem;position:relative;z-index:1}
.kpi-value{font-size:1.65rem;font-weight:800;letter-spacing:-0.02em;position:relative;z-index:1;font-variant-numeric:tabular-nums}
.kpi-sub{font-size:0.7rem;color:var(--text-muted);margin-top:0.2rem;position:relative;z-index:1}
.kpi-revenue .kpi-value{color:var(--gold)}
.kpi-barber .kpi-value{color:var(--blue)}
.kpi-owner .kpi-value{color:var(--gold-light)}
.kpi-customers .kpi-value{color:var(--green)}
.kpi-avg .kpi-value{color:var(--purple)}
.kpi-card[data-delay="0"]{animation-delay:0.00s}
.kpi-card[data-delay="1"]{animation-delay:0.05s}
.kpi-card[data-delay="2"]{animation-delay:0.10s}
.kpi-card[data-delay="3"]{animation-delay:0.15s}
.kpi-card[data-delay="4"]{animation-delay:0.20s}

/* ── Charts ───────────────────────────────────────────────────── */
.charts{display:flex;flex-direction:column;gap:1.25rem}
.chart-card{
  border-radius:var(--radius-xl);background:var(--bg-card);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid var(--border-glass);padding:1.35rem;
  transition:all 0.25s ease;animation:fadeSlideUp 0.6s ease both
}
.chart-card:hover{border-color:var(--border-glass-strong)}
.chart-card:nth-child(1){animation-delay:0.10s}
.chart-card:nth-child(2){animation-delay:0.20s}
.chart-card:nth-child(3){animation-delay:0.30s}
.chart-card:nth-child(4){animation-delay:0.40s}
.chart-card:nth-child(5){animation-delay:0.50s}
.chart-card h2{font-size:0.82rem;font-weight:600;color:var(--text-secondary);margin-bottom:1rem;letter-spacing:0.01em}
.chart-full{width:100%}
.chart-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
@media(max-width:820px){.chart-row{grid-template-columns:1fr}}
.chart-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0.6rem;margin-bottom:1rem}
.chart-header h2{margin-bottom:0}
.chart-body{position:relative;min-height:260px}
.chart-body canvas{max-height:340px;width:100%!important}
.chart-legend{display:flex;gap:0.6rem;flex-wrap:wrap}
.legend-item{
  font-size:0.68rem;color:var(--text-muted);
  display:inline-flex;align-items:center;gap:0.35rem;
  padding:0.2rem 0.5rem;border-radius:999px;
  background:var(--bg-glass);border:1px solid var(--border-glass);
  transition:all 0.2s ease;user-select:none
}
.legend-item:hover{background:rgba(255,255,255,0.06);color:var(--text-secondary)}
.legend-dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0}

/* ── Spinner ──────────────────────────────────────────────────── */
.spinner{
  display:inline-block;width:14px;height:14px;
  border:2px solid var(--border-glass);border-top-color:var(--text-muted);
  border-radius:50%;animation:spin 0.6s linear infinite;
  vertical-align:middle;margin-right:0.4rem
}

/* ── Table ─────────────────────────────────────────────────────── */
.table-section{padding-bottom:0.5rem}
.breakdown-controls{display:flex;gap:0.5rem;align-items:center}
.date-input{
  background:var(--bg-glass);border:1px solid var(--border-glass);
  color:var(--text-primary);padding:0.4rem 0.7rem;border-radius:var(--radius-sm);
  font-size:0.78rem;font-family:inherit;color-scheme:dark;transition:border-color 0.2s
}
.light .date-input{color-scheme:light}
.date-input:focus{outline:none;border-color:rgba(229,169,60,0.4)}
.btn-sm{background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-secondary);padding:0.4rem 0.8rem;border-radius:var(--radius-sm);cursor:pointer;font-size:0.72rem;font-weight:500;font-family:inherit;transition:all 0.2s ease}
.btn-sm:hover{background:var(--bg-card-hover);border-color:var(--border-glass-strong);color:var(--text-primary)}
.table-wrap{overflow-x:auto;border-radius:var(--radius-md);scrollbar-width:thin;scrollbar-color:rgba(255,255,255,0.06) transparent}
.data-table{width:100%;border-collapse:separate;border-spacing:0;font-size:0.78rem}
.data-table thead{position:sticky;top:0;z-index:2}
.data-table th{
  text-align:left;padding:0.65rem 0.85rem;font-weight:600;
  color:var(--text-muted);background:rgba(10,10,16,0.7);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border-glass);
  white-space:nowrap;font-size:0.65rem;text-transform:uppercase;letter-spacing:0.06em;
  user-select:none
}
.light .data-table th{background:rgba(244,243,248,0.8)}
.data-table th:first-child{border-radius:var(--radius-md) 0 0 0}
.data-table th:last-child{border-radius:0 var(--radius-md) 0 0}
.data-table td{padding:0.55rem 0.85rem;border-bottom:1px solid var(--border-glass);color:var(--text-primary);white-space:nowrap;transition:background 0.15s}
.data-table tr:last-child td:first-child{border-radius:0 0 0 var(--radius-md)}
.data-table tr:last-child td:last-child{border-radius:0 0 var(--radius-md) 0}
.data-table tbody tr:nth-child(even) td{background:var(--table-even)}
.data-table tr:hover td{background:var(--table-hover)}
.data-table .num{text-align:right;font-variant-numeric:tabular-nums}
.data-table .barber-name{color:var(--blue-light);font-weight:500}
.data-table .negative{color:var(--red)}
.loading-cell{text-align:center;color:var(--text-muted);padding:2.5rem!important;font-size:0.85rem}
.data-table .empty-cell{color:var(--text-muted);font-size:0.7rem}

/* Sortable columns */
.sortable{cursor:pointer}
.sortable:hover{color:var(--text-primary)}
.sort-arrow{display:inline-block;margin-left:0.2rem;font-size:0.6rem;opacity:0.3}
.sortable.asc .sort-arrow::after{content:'\25B2';opacity:1}
.sortable.desc .sort-arrow::after{content:'\25BC';opacity:1}
.sortable .sort-arrow::after{content:'\25B4'}

/* ── Skeleton ─────────────────────────────────────────────────── */
.skeleton-kpi-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;margin-bottom:2rem}
.skeleton-card{height:96px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-glass);position:relative;overflow:hidden}
.skeleton-card::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--shimmer-after),transparent);animation:shimmer 1.8s ease-in-out infinite}
.skeleton-chart{height:240px;border-radius:var(--radius-xl);background:var(--bg-card);border:1px solid var(--border-glass);position:relative;overflow:hidden;margin-bottom:1.25rem}
.skeleton-chart::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--shimmer-after),transparent);animation:shimmer 1.8s ease-in-out infinite}
.skeleton-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.skeleton-half{height:240px;border-radius:var(--radius-xl);background:var(--bg-card);border:1px solid var(--border-glass);position:relative;overflow:hidden}
.skeleton-half::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--shimmer-after),transparent);animation:shimmer 1.8s ease-in-out infinite}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* ── Footer ────────────────────────────────────────────────────── */
.footer{text-align:center;padding:1.75rem;font-size:0.72rem;color:var(--text-muted);border-top:1px solid var(--border-glass);position:relative;z-index:1}
.footer span{display:inline-block}
.footer-sep{margin:0 0.5rem;opacity:0.3}

/* ── Error State ──────────────────────────────────────────────── */
.error-state{text-align:center;padding:5rem 1.5rem;animation:fadeSlideUp 0.4s ease}
.error-state h2{font-size:1.3rem;color:var(--red);margin-bottom:0.5rem;font-weight:600}
.error-state p{color:var(--text-muted);font-size:0.9rem;margin-bottom:1.25rem}
.error-state button{display:inline-flex;align-items:center;gap:0.5rem;background:var(--bg-card);border:1px solid var(--border-glass-strong);color:var(--text-secondary);padding:0.5rem 1.2rem;border-radius:999px;cursor:pointer;font-size:0.82rem;font-family:inherit;transition:all 0.2s}
.error-state button:hover{background:var(--bg-card-hover);color:var(--text-primary)}

/* ── Auth Overlay ──────────────────────────────────────────────── */
#authFormContainer{display:flex;flex-direction:column;align-items:center;padding:3rem 1rem;width:100%}
.auth-card{background:var(--bg-card);backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:2.5rem 2rem;width:100%;max-width:420px;animation:fadeSlideUp 0.4s ease}
.auth-icon{font-size:2rem;text-align:center;margin-bottom:0.5rem}
.auth-title{font-size:1.1rem;font-weight:700;text-align:center;margin-bottom:0.35rem}
.auth-desc{font-size:0.78rem;color:var(--text-muted);text-align:center;margin-bottom:1.5rem;line-height:1.5}
.auth-form{display:flex;flex-direction:column;gap:0.75rem}
.auth-field label{display:block;font-size:0.72rem;font-weight:600;color:var(--text-secondary);margin-bottom:0.35rem;text-transform:uppercase;letter-spacing:0.04em}
.auth-input{width:100%;padding:0.65rem 0.8rem;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.85rem;font-family:inherit;outline:none;transition:border-color 0.2s}
.auth-input:focus{border-color:rgba(229,169,60,0.4)}
.auth-input::placeholder{color:rgba(255,255,255,0.1)}
.auth-error{font-size:0.78rem;color:var(--red);padding:0.4rem 0.6rem;background:rgba(229,115,115,0.08);border-radius:var(--radius-sm)}
.auth-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;width:100%;padding:0.7rem 1rem;border:none;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#1a1a0a;font-size:0.9rem;font-weight:700;font-family:inherit;cursor:pointer;transition:opacity 0.2s}
.auth-btn:hover{opacity:0.85}
.auth-btn:disabled{opacity:0.4;cursor:not-allowed}
.auth-spinner{display:none}
.auth-btn:disabled .auth-spinner{display:inline-block}

/* ── Utility ──────────────────────────────────────────────────── */
.hidden{display:none!important}

/* ── Responsive ────────────────────────────────────────────────── */
@media(max-width:640px){
  .header{padding:0.85rem 1rem}
  .header-meta{gap:0.5rem}
  .date-range{display:none}
  .main{padding:1rem}
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:0.65rem}
  .kpi-card{padding:0.9rem 1rem}
  .kpi-value{font-size:1.3rem}
  .chart-card{padding:1rem;border-radius:var(--radius-lg)}
  .skeleton-kpi-grid{grid-template-columns:repeat(2,1fr);gap:0.65rem}
  .skeleton-row{grid-template-columns:1fr}
}