/* ═══════════════════════════════════════════════════
   ContaApex · Internal System · Nebula Pro Theme
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ── */
:root {
  --p1: #667EEA; --p2: #764BA2;
  --c1: #F093FB; --c2: #F5576C;
  --a1: #4FACFE; --a2: #00F2FE;
  --g1: #43E97B; --g2: #38F9D7;
  --amber: #F7C948; --amber2: #FFDE7A;

  --sidebar-bg: #0F0C29;
  --sidebar-bg2: #1a1535;
  --sidebar-border: rgba(255,255,255,.07);
  --sidebar-muted: rgba(255,255,255,.35);
  --sidebar-width: 244px;

  --body-bg: #F4F6FF;
  --surface: #FFFFFF;
  --border: #E8EBFF;
  --border2: rgba(102,126,234,.18);
  --faint: #EEF0FF;

  --ink: #1a1535;
  --txt: #2D3748;
  --muted: #718096;

  --navy-shadow: rgba(102,126,234,.22);
  --gold-shadow: rgba(247,201,72,.22);
  --green-shadow: rgba(67,233,123,.2);
  --blue-shadow: rgba(79,172,254,.2);
  --pink-shadow: rgba(240,147,251,.2);

  --radius: 14px; --radius-sm: 8px; --radius-lg: 20px;
  --transition: all .22s ease;
  --err: #E53E3E; --err-bg: #FFF5F5; --err-border: #FEB2B2;

  /* Legacy vars for old templates */
  --navy: #667EEA; --gold: #F7C948;
  --sky: #EEF0FF; --paper: #F8F9FF;
  --void: #0F0C29; --dim: rgba(0,0,0,.5);
  --border-old: rgba(102,126,234,.12);
}

/* ── Reset & Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:15px;scroll-behavior:smooth;}
body{font-family:'DM Sans','Segoe UI',sans-serif;background:var(--body-bg);color:var(--txt);min-height:100vh;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--p1);border-radius:3px;}

/* ════════════════════════════════
   LAYOUT
════════════════════════════════ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--sidebar-width);
  background:linear-gradient(180deg,var(--sidebar-bg) 0%,var(--sidebar-bg2) 100%);
  display:flex;flex-direction:column;
  z-index:200;overflow:hidden;
  border-right:1px solid var(--sidebar-border);
  box-shadow:4px 0 32px rgba(0,0,0,.3);
  transition:transform .3s ease;
}
.sidebar::-webkit-scrollbar{display:none;}

.main-content{
  margin-left:var(--sidebar-width);
  min-height:100vh;
  display:flex;flex-direction:column;
  background:var(--body-bg);
}

/* ════════════════════════════════
   SIDEBAR BRAND
════════════════════════════════ */
.sidebar-brand{
  display:flex;align-items:center;gap:10px;
  padding:20px 16px 18px;
  border-bottom:1px solid var(--sidebar-border);
  flex-shrink:0;
}
.brand-icon{
  width:36px;height:36px;
  background:linear-gradient(135deg,var(--p1),var(--p2));
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;color:#fff;
  box-shadow:0 0 18px rgba(102,126,234,.45);
  flex-shrink:0;
}
.brand-title{
  font-family:'Syne',sans-serif;
  font-size:16px;font-weight:800;
  color:#fff;letter-spacing:-.2px;line-height:1;
}
.brand-sub{
  font-size:9px;font-weight:600;
  color:rgba(255,255,255,.28);
  text-transform:uppercase;letter-spacing:1.8px;margin-top:2px;
}

/* ════════════════════════════════
   SIDEBAR NAV
════════════════════════════════ */
.sidebar-nav{flex:1;padding:10px 8px;overflow-y:auto;overflow-x:hidden;}
.sidebar-nav::-webkit-scrollbar{display:none;}

.nav-section{
  font-size:9px;font-weight:700;
  color:rgba(255,255,255,.2);
  text-transform:uppercase;letter-spacing:2px;
  padding:14px 10px 5px;
}

.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:var(--radius-sm);
  font-size:13px;font-weight:500;
  color:rgba(255,255,255,.5);
  transition:var(--transition);
  margin-bottom:2px;
  position:relative;overflow:hidden;
}
.nav-item::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(102,126,234,.18),rgba(118,75,162,.12));
  opacity:0;transition:opacity .22s;border-radius:var(--radius-sm);
}
.nav-item:hover{color:rgba(255,255,255,.88);}
.nav-item:hover::before{opacity:1;}

.nav-item.active{
  background:linear-gradient(135deg,rgba(102,126,234,.28),rgba(118,75,162,.18));
  color:#fff;font-weight:600;
  box-shadow:0 2px 14px rgba(102,126,234,.18);
}
.nav-item.active::after{
  content:'';position:absolute;
  left:0;top:18%;bottom:18%;width:3px;
  background:linear-gradient(var(--p1),var(--p2));
  border-radius:0 3px 3px 0;
}
.nav-icon{font-size:14px;width:18px;text-align:center;flex-shrink:0;position:relative;z-index:1;}

/* ════════════════════════════════
   SIDEBAR FOOTER
════════════════════════════════ */
.sidebar-footer{
  padding:14px 14px;
  border-top:1px solid var(--sidebar-border);
  display:flex;align-items:center;gap:10px;
  background:rgba(0,0,0,.18);flex-shrink:0;
}
.avatar{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--p1),var(--p2));
  display:flex;align-items:center;justify-content:center;
  font-family:'Syne',sans-serif;font-size:14px;font-weight:800;
  color:#fff;flex-shrink:0;
  box-shadow:0 0 12px rgba(102,126,234,.35);
}
.user-name{font-size:11.5px;font-weight:600;color:rgba(255,255,255,.75);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.user-role{font-size:9.5px;color:rgba(255,255,255,.28);margin-top:1px;font-family:'JetBrains Mono',monospace;}

/* ════════════════════════════════
   TOPBAR
════════════════════════════════ */
.topbar{
  background:var(--surface);
  border-bottom:1px solid var(--border);
  padding:0 24px;height:62px;
  display:flex;align-items:center;justify-content:space-between;
  box-shadow:0 2px 16px rgba(102,126,234,.06);
  position:sticky;top:0;z-index:100;flex-shrink:0;
}
.topbar-title{
  font-family:'Syne',sans-serif;
  font-size:16.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;
}
.topbar-actions{display:flex;align-items:center;gap:8px;}

/* ════════════════════════════════
   PAGE BODY
════════════════════════════════ */
.page-body{padding:24px;flex:1;animation:fadeInUp .3s ease;}
@keyframes fadeInUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

/* ════════════════════════════════
   STAT CARDS
════════════════════════════════ */
.stat-card{
  border-radius:var(--radius);padding:22px 20px;
  position:relative;overflow:hidden;
  transition:transform .25s,box-shadow .25s;color:#fff;
}
.stat-card:hover{transform:translateY(-4px);}
.stat-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.6);margin-bottom:10px;}
.stat-value{font-family:'Syne',sans-serif;font-size:38px;font-weight:800;line-height:1;margin-bottom:6px;letter-spacing:-1.5px;}
.stat-meta{font-size:11.5px;color:rgba(255,255,255,.5);}
.stat-icon{position:absolute;right:16px;bottom:12px;font-size:52px;color:rgba(255,255,255,.1);transition:transform .3s;}
.stat-card:hover .stat-icon{transform:scale(1.1) rotate(-6deg);}

.stat-card.navy{background:linear-gradient(135deg,var(--p1),var(--p2));box-shadow:0 8px 28px var(--navy-shadow);}
.stat-card.navy:hover{box-shadow:0 14px 40px rgba(102,126,234,.38);}
.stat-card.gold{background:linear-gradient(135deg,#F7C948,#E09000);box-shadow:0 8px 28px var(--gold-shadow);}
.stat-card.gold:hover{box-shadow:0 14px 40px rgba(247,201,72,.4);}
.stat-card.green{background:linear-gradient(135deg,var(--g1),var(--g2));box-shadow:0 8px 28px var(--green-shadow);}
.stat-card.green:hover{box-shadow:0 14px 40px rgba(67,233,123,.35);}
.stat-card.blue{background:linear-gradient(135deg,var(--a1),var(--a2));box-shadow:0 8px 28px var(--blue-shadow);}
.stat-card.blue:hover{box-shadow:0 14px 40px rgba(79,172,254,.35);}
.stat-card.pink{background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 8px 28px var(--pink-shadow);}
.stat-card.pink:hover{box-shadow:0 14px 40px rgba(240,147,251,.35);}

/* ════════════════════════════════
   CARDS
════════════════════════════════ */
.card{
  background:var(--surface);border-radius:var(--radius);
  box-shadow:0 4px 24px rgba(102,126,234,.07);
  border:1px solid rgba(102,126,234,.08);
  overflow:hidden;transition:box-shadow .25s;
}
.card:hover{box-shadow:0 8px 32px rgba(102,126,234,.12);}
.card-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--border);
}
.card-title{
  font-family:'Syne',sans-serif;font-size:14px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;
}
.card-body{padding:20px;}

/* ════════════════════════════════
   GRIDS
════════════════════════════════ */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.mt-4{margin-top:20px;}.mb-4{margin-bottom:20px;}

/* ════════════════════════════════
   BADGES
════════════════════════════════ */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.2px;}
.badge-navy{background:rgba(102,126,234,.1);color:var(--p1);border:1px solid rgba(102,126,234,.2);}
.badge-ok{background:rgba(67,233,123,.1);color:#1A9956;border:1px solid rgba(67,233,123,.2);}
.badge-warn{background:rgba(247,201,72,.1);color:#C87D00;border:1px solid rgba(247,201,72,.22);}
.badge-err{background:rgba(229,62,62,.08);color:var(--err);border:1px solid rgba(229,62,62,.15);}
.badge-pink{background:rgba(240,147,251,.1);color:#B026CC;border:1px solid rgba(240,147,251,.2);}
.badge-cyan{background:rgba(79,172,254,.1);color:#0072CC;border:1px solid rgba(79,172,254,.2);}

/* ════════════════════════════════
   BUTTONS
════════════════════════════════ */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;border:none;cursor:pointer;transition:var(--transition);white-space:nowrap;font-family:'DM Sans',sans-serif;}
.btn-navy{background:linear-gradient(135deg,var(--p1),var(--p2));color:#fff;box-shadow:0 4px 14px var(--navy-shadow);}
.btn-navy:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(102,126,234,.38);}
.btn-pink{background:linear-gradient(135deg,var(--c1),var(--c2));color:#fff;box-shadow:0 4px 14px var(--pink-shadow);}
.btn-pink:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(245,87,108,.38);}
.btn-gold{background:linear-gradient(135deg,var(--amber),#E09000);color:#07090E;box-shadow:0 4px 14px var(--gold-shadow);font-weight:700;}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(247,201,72,.38);}
.btn-green{background:linear-gradient(135deg,var(--g1),var(--g2));color:#07090E;box-shadow:0 4px 14px var(--green-shadow);font-weight:700;}
.btn-green:hover{transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--p1);border:1.5px solid rgba(102,126,234,.28);}
.btn-outline:hover{background:rgba(102,126,234,.07);border-color:var(--p1);}
.btn-ghost{background:var(--faint);color:var(--muted);border:1px solid var(--border);}
.btn-ghost:hover{background:rgba(102,126,234,.08);color:var(--p1);border-color:var(--border2);}
.btn-danger{background:transparent;color:var(--err);border:1px solid var(--err-border);}
.btn-danger:hover{background:var(--err-bg);}
.btn-sm{padding:6px 12px;font-size:12px;border-radius:7px;gap:5px;}

/* ════════════════════════════════
   TABLES
════════════════════════════════ */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.data-table{width:100%;border-collapse:collapse;font-size:13px;}
.data-table thead tr{background:var(--faint);}
.data-table thead th{padding:11px 16px;text-align:left;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--muted);border-bottom:2px solid var(--border);white-space:nowrap;}
.data-table tbody tr{border-bottom:1px solid var(--border);transition:background .15s;}
.data-table tbody tr:last-child{border-bottom:none;}
.data-table tbody tr:hover{background:rgba(102,126,234,.035);}
.data-table tbody tr:nth-child(even){background:rgba(102,126,234,.016);}
.data-table tbody tr:nth-child(even):hover{background:rgba(102,126,234,.045);}
.data-table td{padding:12px 16px;color:var(--txt);vertical-align:middle;}

/* ════════════════════════════════
   FORMS
════════════════════════════════ */
.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:7px;}
.form-input{width:100%;padding:10px 14px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:'DM Sans',sans-serif;color:var(--txt);outline:none;transition:border-color .2s,box-shadow .2s;}
.form-input::placeholder{color:#A0AEC0;}
.form-input:focus{border-color:var(--p1);box-shadow:0 0 0 3px rgba(102,126,234,.1);}

/* ════════════════════════════════
   SEARCH BOX
════════════════════════════════ */
.search-box{display:flex;align-items:center;gap:8px;background:var(--faint);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;transition:border-color .2s,box-shadow .2s;}
.search-box:focus-within{border-color:var(--p1);box-shadow:0 0 0 3px rgba(102,126,234,.1);background:#fff;}
.search-box input{border:none;background:transparent;outline:none;font-size:13px;color:var(--txt);width:100%;font-family:'DM Sans',sans-serif;}
.search-box input::placeholder{color:#A0AEC0;}

/* ════════════════════════════════
   ALERTS
════════════════════════════════ */
.alert{padding:11px 16px;border-radius:var(--radius-sm);font-size:13px;display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.alert-err{background:var(--err-bg);color:var(--err);border:1px solid var(--err-border);}
.alert-ok{background:rgba(67,233,123,.08);color:#1A9956;border:1px solid rgba(67,233,123,.2);}
.alert-warn{background:rgba(247,201,72,.08);color:#C87D00;border:1px solid rgba(247,201,72,.22);}
.alert-info{background:rgba(102,126,234,.07);color:var(--p1);border:1px solid rgba(102,126,234,.2);}

/* ════════════════════════════════
   SPINNER
════════════════════════════════ */
.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ════════════════════════════════
   PROGRESS BARS
════════════════════════════════ */
.progress-bar{height:6px;background:var(--faint);border-radius:3px;overflow:hidden;}
.progress-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--p1),var(--p2));transition:width .6s ease;}

/* ════════════════════════════════
   CHARTS
════════════════════════════════ */
canvas{border-radius:var(--radius-sm);}

/* ════════════════════════════════
   UTILITIES
════════════════════════════════ */
.ff-serif{font-family:'Syne',sans-serif;}
.ff-mono{font-family:'JetBrains Mono',monospace;}
.fw-600{font-weight:600;}.fw-700{font-weight:700;}.fw-800{font-weight:800;}
.text-muted{color:var(--muted);}.text-navy{color:var(--p1);}
.text-pink{color:var(--c2);}.text-green{color:var(--g1);}
.text-amber{color:var(--amber);}.text-ink{color:var(--ink);}
.sky{background:var(--faint);}
.gap-8{display:flex;gap:8px;}.gap-12{display:flex;gap:12px;}

/* ════════════════════════════════
   LOGIN PAGE
════════════════════════════════ */
.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;position:relative;overflow:hidden;}
.login-bg-art{position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 25% 40%,rgba(102,126,234,.18) 0%,transparent 65%),radial-gradient(ellipse 50% 50% at 75% 60%,rgba(118,75,162,.15) 0%,transparent 65%);pointer-events:none;}
.login-left{background:linear-gradient(160deg,#0F0C29,#302B63);display:flex;flex-direction:column;justify-content:space-between;padding:48px;position:relative;overflow:hidden;}
.login-left::after{content:'';position:absolute;bottom:-100px;right:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(240,147,251,.1) 0%,transparent 65%);pointer-events:none;}
.login-logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--p1),var(--p2));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;box-shadow:0 0 20px rgba(102,126,234,.4);flex-shrink:0;}
.login-left-title{font-family:'Syne',sans-serif;font-size:clamp(40px,5vw,60px);font-weight:800;color:#fff;line-height:1.05;letter-spacing:-1.5px;margin-bottom:16px;}
.login-left-title span{background:linear-gradient(135deg,var(--c1),var(--c2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.login-left-desc{font-size:15px;color:rgba(255,255,255,.5);line-height:1.7;max-width:340px;}
.login-right{background:var(--faint);display:flex;align-items:center;justify-content:center;padding:40px;}
.login-card{background:#fff;border-radius:var(--radius-lg);padding:38px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(102,126,234,.12);border:1px solid rgba(102,126,234,.1);}
.login-logo{text-align:center;margin-bottom:26px;}
.login-logo-title{font-family:'Syne',sans-serif;font-size:22px;font-weight:800;color:var(--ink);margin-top:12px;margin-bottom:4px;}
.login-logo-sub{font-size:13px;color:var(--muted);}
.login-form-label{display:block;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:7px;}
.login-form-input{width:100%;padding:11px 14px;background:var(--faint);border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:'DM Sans',sans-serif;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s;}
.login-form-input:focus{border-color:var(--p1);background:#fff;box-shadow:0 0 0 3px rgba(102,126,234,.1);}
.btn-login{width:100%;padding:13px;background:linear-gradient(135deg,var(--p1),var(--p2));color:#fff;border:none;border-radius:var(--radius-sm);font-size:14.5px;font-weight:700;font-family:'DM Sans',sans-serif;cursor:pointer;box-shadow:0 6px 20px var(--navy-shadow);transition:var(--transition);}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(102,126,234,.38);}
.login-alert{background:var(--err-bg);color:var(--err);border:1px solid var(--err-border);border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;margin-bottom:18px;}

/* ════════════════════════════════
   TABS (cliente.html)
════════════════════════════════ */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 6px;
  margin-bottom: 20px;
  box-shadow: 0 4px 24px rgba(102,126,234,.07);
  border: 1px solid rgba(102,126,234,.08);
}
.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn:hover {
  background: var(--faint);
  color: var(--p1);
}
.tab-btn.active {
  background: linear-gradient(135deg, var(--p1), var(--p2));
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px var(--navy-shadow);
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Filas TOTAL en ventas/compras ── */
.total-row td {
  background: linear-gradient(90deg, rgba(102,126,234,.07), rgba(118,75,162,.04)) !important;
  border-top: 1.5px solid rgba(102,126,234,.18) !important;
  border-bottom: 1.5px solid rgba(102,126,234,.1) !important;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink);
}
/* ── Filas sin información ── */
.no-info-row td {
  padding: 10px 16px !important;
  white-space: nowrap;
}
.no-info-row .no-info-txt {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ════════════════════════════════
   LEGACY VARS (cliente.html compat)
════════════════════════════════ */
:root {
  --ok: #22c55e;
  --border: #E8EBFF;
  --void: #0F0C29;
  --navy: var(--p1);
  --gold: var(--amber);
  --paper: #F8F9FF;
  --sky: var(--faint);
  --dim: rgba(0,0,0,.45);
  --muted: #718096;
  --ink: #1a1535;
}
.ff-serif { font-family: 'Syne', sans-serif; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mb-4 { margin-bottom: 20px; }
.mt-4 { margin-top: 20px; }

/* ════════════════════════════════
   MODALS INTERNOS (clientes.html etc.)
════════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 400;
  background: rgba(15,12,41,.75);
  backdrop-filter: blur(6px);
  align-items: center; justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: #0F1E35;
  border: 1px solid rgba(102,126,234,.2);
  border-radius: 18px;
  width: 100%; max-width: 480px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
  overflow: hidden;
}
.modal-header {
  background: rgba(0,0,0,.3);
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

/* Variables legacy para templates viejos */
:root {
  --void: #0F0C29; --ink: #1a1535;
  --navy: var(--p1); --gold: var(--amber);
  --mid: rgba(255,255,255,.6); --muted: #718096;
  --paper: #F8F9FF; --sky: var(--faint);
  --border-old: rgba(102,126,234,.12);
  --ok: #22c55e; --coral: #F5576C;
  --err: #E53E3E; --err-bg: #FFF5F5; --err-border: #FEB2B2;
}

/* ════════════════════════════════
   RESPONSIVE SISTEMA INTERNO
════════════════════════════════ */

/* ── Tablet ≤ 1024px ── */
@media(max-width:1024px){
  :root{--sidebar-width:220px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .stat-value{font-size:28px;}
}

/* ── Móvil ≤ 768px ── */
@media(max-width:768px){

  /* ── Tarjeta info cliente ── */
  #card-info .card-body{
    flex-direction:column !important;
    gap:10px !important;
    padding:14px !important;
    align-items:stretch !important;
  }
  /* Fila superior: avatar + nombre */
  #card-info .card-body > div:nth-child(2){
    display:flex !important;
    align-items:center !important;
    gap:10px;
  }
  #card-info #cli-nombre{
    font-size:14px !important;
    white-space:normal !important;
    line-height:1.3;
    overflow:visible !important;
    text-overflow:unset !important;
  }
  /* Metadatos en fila */
  #card-info .card-body > div:nth-child(3) > div:last-child{
    flex-wrap:wrap !important;gap:6px !important;font-size:11px !important;
  }
  /* Botones prev/next pequeños */
  #card-info .card-body > div:first-child{
    display:none !important; /* ocultar en móvil para limpiar */
  }
  /* Reporte Anual + Procesar en fila */
  #card-info .card-body > div:last-child,
  #btn-procesar{
    width:100% !important;
    justify-content:center !important;
  }

  /* ── Dashboard Actividad Reciente en móvil ── */
  #recent-body a > div:first-of-type + div {
    min-width:0;
  }
  #recent-body .nombre-reciente {
    white-space:normal !important;
    font-size:11px !important;
  }
  /* Declaraciones card header en móvil */
  #decl-mes-chart { font-size:11px !important; }
  #lbl-ultima-decl { font-size:9px !important; }

  /* ── Renta anual: tablas ACTIVO/PASIVO apiladas en móvil ── */
  .renta-ap-wrap{flex-direction:column !important;border-right:none !important;}
  .renta-ap-wrap > div{
    flex:none !important;width:100% !important;
    border-right:none !important;
    border-bottom:2px solid #CBD5E0;
  }
  .renta-ap-wrap > div:last-child{border-bottom:none;}

  /* Tablas de renta anual con scroll horizontal */
  #wrap-renta{padding:10px !important;}
  #wrap-renta table{min-width:260px;width:100%;font-size:11.5px;}
  #wrap-renta td, #wrap-renta th{padding:5px 10px !important;}

  /* Card de año: header flex → wrap en móvil */
  #wrap-renta > div > div:first-child{
    flex-wrap:wrap !important;
    gap:8px !important;
    padding:12px 14px !important;
  }
  #wrap-renta > div > div:first-child > div:first-child{
    /* Badge del año */
    font-size:18px !important;
    padding:4px 14px !important;
  }
  #wrap-renta > div > div:first-child > button{
    width:100% !important;
    justify-content:center !important;
    flex-basis:100% !important;
  }

  /* Sidebar: slide-in desde la izquierda */
  .sidebar{
    transform:translateX(-100%);
    transition:transform .3s cubic-bezier(.77,0,.18,1);
    z-index:300;
  }
  .sidebar.open{transform:translateX(0);}

  /* Overlay del sidebar */
  .sidebar-overlay{
    display:none;position:fixed;inset:0;
    background:rgba(15,12,41,.6);
    backdrop-filter:blur(4px);
    z-index:299;
  }
  .sidebar-overlay.show{display:block;}

  /* Layout principal */
  .main-content{margin-left:0;min-height:100svh;}

  /* Topbar */
  .topbar{
    padding:0 14px;height:56px;
    position:sticky;top:0;z-index:100;
  }
  .topbar-title{font-size:14px;gap:6px;}

  /* Botón menú siempre visible en móvil */
  #menu-toggle{
    display:flex !important;
    align-items:center;justify-content:center;
    width:36px;height:36px;
    border-radius:9px;
    background:var(--faint);
    border:1px solid var(--border);
    color:var(--ink);font-size:15px;
    cursor:pointer;flex-shrink:0;
  }

  /* Page body */
  .page-body{padding:14px;}

  /* Grids */
  .grid-4{grid-template-columns:repeat(2,1fr);gap:12px;}
  .grid-2{grid-template-columns:1fr;gap:14px;}
  .grid-3{grid-template-columns:1fr;gap:14px;}

  /* Stat cards */
  .stat-card{padding:18px 16px;}
  .stat-value{font-size:30px;letter-spacing:-1px;}
  .stat-label{font-size:10px;}
  .stat-meta{font-size:10.5px;}
  .stat-icon{font-size:38px;right:12px;bottom:8px;}

  /* Cards */
  .card-header{
    padding:12px 14px;
    flex-wrap:wrap;gap:8px;
  }
  .card-title{font-size:13px;}
  .card-body{padding:14px;}

  /* Tables */
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .data-table{font-size:12px;min-width:480px;}
  .data-table thead th{padding:9px 12px;font-size:9.5px;}
  .data-table td{padding:10px 12px;}

  /* Badges */
  .badge{font-size:10px;padding:2px 8px;}

  /* Buttons */
  .btn{min-height:38px;font-size:12.5px;padding:8px 14px;}
  .btn-sm{min-height:32px;font-size:11.5px;padding:5px 10px;}

  /* Forms */
  .form-input{font-size:16px;} /* evita zoom iOS */
  .form-group{margin-bottom:14px;}

  /* Search box */
  .search-box input{font-size:14px;}

  /* Tabs (cliente.html) */
  .tabs{
    padding:4px;gap:3px;
    overflow-x:auto;flex-wrap:nowrap;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .tabs::-webkit-scrollbar{display:none;}
  .tab-btn{
    font-size:11.5px;padding:7px 11px;
    white-space:nowrap;flex-shrink:0;
    min-height:34px;
  }

  /* Login page */
  .login-page{grid-template-columns:1fr;}
  .login-left{display:none;}
  .login-right{padding:20px 16px;}
  .login-card{padding:28px 20px;border-radius:18px;}
  .login-form-input{font-size:16px;}
  .btn-login{padding:14px;font-size:14.5px;min-height:50px;}
}

/* ── Móvil pequeño ≤ 480px ── */
@media(max-width:480px){
  .grid-4{grid-template-columns:1fr;}
  .page-body{padding:12px;}
  .topbar{padding:0 12px;}
  .stat-value{font-size:28px;}
  .data-table{min-width:400px;}
}

/* ══════════════════════════════════════════════════════════
   MODAL DETALLE VENTAS — responsive
   ══════════════════════════════════════════════════════════ */

/* Desktop: centrado normal */
#modal-detalle-ventas{
  padding:12px;
  align-items:center;
}

/* Móvil ≤ 768px: bottom-sheet full-screen */
@media(max-width:768px){

  /* Overlay: centrado con padding mínimo */
  #modal-detalle-ventas{
    padding:8px !important;
    align-items:center !important;
  }

  /* Diálogo: centrado, casi full screen */
  #mdv-dialog{
    border-radius:14px !important;
    max-height:92dvh !important;
    max-width:100% !important;
  }

  /* Header: wrap en 2 líneas */
  #mdv-header{
    flex-wrap:wrap !important;
    padding:12px 14px !important;
    gap:8px !important;
  }
  #mdv-header-left{
    width:calc(100% - 50px) !important;
    gap:8px !important;
  }
  #mdv-titulo{
    font-size:12px !important;
  }
  #mdv-subtitulo{
    display:none !important;   /* ahorra espacio */
  }
  #mdv-badge{
    font-size:9px !important;
    padding:1px 8px !important;
  }
  #mdv-header-right{
    flex:1 !important;
    justify-content:flex-end !important;
    margin-left:0 !important;
  }

  /* Botón descarga: solo icono en móvil */
  .mdv-dl-txt{
    display:none !important;
  }
  #mdv-btn-dl{
    padding:7px 10px !important;
    font-size:14px !important;
  }

  /* Cuerpo: padding reducido */
  #mdv-cuerpo{
    padding:8px !important;
    -webkit-overflow-scrolling:touch;
  }

  /* Tabla interna: fuente más pequeña */
  #mdv-cuerpo table{
    font-size:10px !important;
  }
  #mdv-cuerpo th{
    padding:5px 7px !important;
    font-size:9.5px !important;
  }
  #mdv-cuerpo td{
    padding:3px 7px !important;
  }
}

/* ══════════════════════════════════════════════════════════
   CLIENTE PAGE — mejoras móvil adicionales
   ══════════════════════════════════════════════════════════ */
@media(max-width:768px){

  /* Card headers con badge + filtro: wrap */
  .card-header{
    flex-wrap:wrap !important;
    gap:6px !important;
  }
  .card-header > div{
    flex-wrap:wrap !important;
    gap:6px !important;
  }

  /* Filtros año/mes — selectores táctiles en móvil */
  .filter-row{
    flex-wrap:nowrap !important;
  }
  .filter-sel{
    font-size:14px !important;  /* evita zoom iOS en focus */
    min-height:34px !important;
    padding:5px 8px !important;
    flex:1;
  }
  .filter-clear{
    min-height:34px !important;
    min-width:34px !important;
    font-size:13px !important;
    flex-shrink:0;
  }

  /* Cobertura: tabla con scroll y min-width */
  #wrap-cobertura{
    overflow-x:auto !important;
    -webkit-overflow-scrolling:touch;
  }
  #wrap-cobertura table{
    min-width:600px;
    font-size:11px;
  }
  #wrap-cobertura th,
  #wrap-cobertura td{
    padding:5px 8px !important;
    font-size:10.5px !important;
  }

  /* Ventas/Compras: tabla 47 cols — indicador de scroll */
  #wrap-ventas,
  #wrap-compras{
    position:relative;
  }
  #wrap-ventas .vc-scroll-wrap,
  #wrap-compras .vc-scroll-wrap{
    -webkit-overflow-scrolling:touch;
  }

  /* Botón Detalle en tablas: más compacto */
  .vc-scroll-wrap button{
    padding:3px 7px !important;
    font-size:10px !important;
  }

  /* ITF: tabla con scroll */
  #itf-detalle-wrap,
  #itf-resumen{
    overflow-x:auto !important;
    -webkit-overflow-scrolling:touch;
  }

  /* Renta Anual: PDF botones en columna */
  #wrap-renta button{
    font-size:11px !important;
    padding:5px 10px !important;
  }

  /* Sección de Reporte mensual: formulario apilado */
  #rep-form{
    flex-direction:column !important;
    gap:8px !important;
  }
  #rep-form select,
  #rep-form button{
    width:100% !important;
    font-size:13px !important;
  }

  /* Notificación declaración: texto más pequeño */
  .notif-decl{
    font-size:12px !important;
    padding:10px 12px !important;
  }
  .notif-decl .notif-txt{
    font-size:11.5px !important;
  }
}

/* Móvil muy pequeño ≤ 380px */
@media(max-width:380px){
  #mdv-titulo{ font-size:11px !important; }
  .tab-btn{ font-size:10.5px !important; padding:6px 9px !important; }
  #mdv-cuerpo table{ font-size:9px !important; }
  #mdv-cuerpo th,
  #mdv-cuerpo td{ padding:2px 5px !important; }
}