:root{--primary:#0891b2;--primary-dark:#0e7490;--primary-light:#e0f7fa;--accent:#10b981;--accent-light:#d1fae5;--warning:#f59e0b;--danger:#ef4444;--text:#0f172a;--text-soft:#475569;--bg:#fff;--bg-soft:#f8fafc;--border:#e2e8f0;--shadow:0 4px 6px -1px rgb(0 0 0/.08),0 2px 4px -2px rgb(0 0 0/.05);--shadow-lg:0 20px 25px -5px rgb(0 0 0/.1)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;color:var(--text);background:var(--bg-soft);line-height:1.6}
a{color:var(--primary);text-decoration:none}
.btn{display:inline-block;padding:12px 24px;border-radius:10px;font-weight:600;border:none;cursor:pointer;font-size:15px;transition:all .2s;text-decoration:none;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:8px 16px;font-size:13px}

/* AUTH */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,var(--primary-light) 0%,#fff 100%)}
.auth-card{background:#fff;padding:48px;border-radius:20px;box-shadow:var(--shadow-lg);width:100%;max-width:440px}
.auth-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:24px;color:var(--primary-dark);justify-content:center;margin-bottom:8px}
.logo-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px}
.auth-card h1{font-size:24px;text-align:center;margin-bottom:8px}
.auth-card .sub{text-align:center;color:var(--text-soft);margin-bottom:32px;font-size:14px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-soft)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(8,145,178,.1)}
.auth-card .btn{width:100%;padding:14px}
.auth-foot{text-align:center;margin-top:20px;font-size:14px;color:var(--text-soft)}

/* LAYOUT */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:#fff;border-right:1px solid var(--border);padding:24px 0;position:fixed;top:0;left:0;bottom:0;overflow-y:auto}
.sidebar-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--primary-dark);padding:0 24px 24px;border-bottom:1px solid var(--border)}
.sidebar-nav{list-style:none;padding:16px 0}
.sidebar-nav li a{display:flex;align-items:center;gap:12px;padding:12px 24px;color:var(--text-soft);font-weight:500;transition:all .15s;border-left:3px solid transparent}
.sidebar-nav li a:hover{background:var(--bg-soft);color:var(--primary)}
.sidebar-nav li a.active{background:var(--primary-light);color:var(--primary-dark);border-left-color:var(--primary);font-weight:600}
.sidebar-nav .icon{font-size:18px}
.sidebar-foot{position:absolute;bottom:0;left:0;right:0;padding:16px 24px;border-top:1px solid var(--border);background:#fff}
.user-chip{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.user-chip .name{font-size:13px;font-weight:600}
.user-chip .email{font-size:11px;color:var(--text-soft)}
.main{flex:1;margin-left:250px;padding:32px 40px}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:28px;flex-wrap:wrap;gap:16px}
.page-head h1{font-size:28px;letter-spacing:-.5px}
.page-head p{color:var(--text-soft);font-size:14px;margin-top:4px}
/* Mobile menu toggle button */
.menu-toggle{display:none;position:fixed;top:16px;left:16px;z-index:200;width:44px;height:44px;border-radius:10px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);cursor:pointer;font-size:20px;align-items:center;justify-content:center}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:150}
.sidebar-overlay.active{display:block}

/* Tablet: icon-only sidebar */
@media(max-width:1024px){
  .sidebar{width:70px}
  .sidebar-logo span,.sidebar-nav span:not(.icon),.sidebar-foot{display:none}
  .sidebar-logo{justify-content:center;padding:0 0 24px}
  .sidebar-nav li a{justify-content:center;padding:14px 0}
  .main{margin-left:70px;padding:24px}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
}

/* Mobile: hamburger menu */
@media(max-width:768px){
  .menu-toggle{display:flex}
  .sidebar{width:260px;transform:translateX(-100%);transition:transform .25s ease;z-index:160;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-logo span,.sidebar-nav span:not(.icon),.sidebar-foot{display:block}
  .sidebar-logo{justify-content:flex-start;padding:0 24px 24px}
  .sidebar-nav li a{justify-content:flex-start;padding:12px 24px}
  .main{margin-left:0;padding:70px 16px 24px}
  .page-head{flex-direction:column;align-items:stretch}
  .page-head .btn,.page-head a.btn{width:100%}
  .page-head h1{font-size:22px}
  .cards-grid{grid-template-columns:1fr;gap:12px}
  .stat-card{padding:18px}
  .stat-card .value{font-size:22px}
  .card{padding:18px}
  /* Scrollable table wrapper */
  table{min-width:600px}
  .card:has(table){padding:0;overflow-x:auto}
  /* Auth */
  .auth-card{padding:28px 22px}
  .auth-card h1{font-size:20px}
  /* Upload area */
  .upload-area{padding:40px 16px}
  .upload-area .big-icon{font-size:44px}
  .upload-area h3{font-size:16px}
  /* Range bar labels */
  .range-labels{font-size:10px}
  /* Chart */
  .chart{height:140px}
  .chart-bar span{font-size:9px;top:-16px}
  /* Result detail header */
  .row-between{flex-wrap:wrap;gap:10px}
  h2{font-size:18px}
}

/* Extra small */
@media(max-width:480px){
  .cards-grid{grid-template-columns:1fr}
  .auth-card{padding:24px 18px}
  .field input,.field select,.field textarea{font-size:16px}/* evita zoom iOS */
  .main{padding:64px 12px 20px}
  .page-head h1{font-size:20px}
  .btn{padding:11px 18px;font-size:14px}
}

/* CARDS */
.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:28px}
@media(max-width:900px){.cards-grid{grid-template-columns:1fr 1fr}}
.stat-card{background:#fff;padding:24px;border-radius:16px;border:1px solid var(--border)}
.stat-card .label{font-size:13px;color:var(--text-soft);font-weight:500}
.stat-card .value{font-size:28px;font-weight:800;margin:8px 0 4px;color:var(--text)}
.stat-card .delta{font-size:12px;font-weight:600}
.delta.up{color:var(--accent)}.delta.down{color:var(--danger)}

/* TABLE */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--border);font-size:14px}
th{background:var(--bg-soft);font-weight:600;color:var(--text-soft);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
tr:hover td{background:var(--bg-soft)}

/* STATUS */
.status{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:700}
.status::before{content:"";width:7px;height:7px;border-radius:50%}
.status-normal{background:var(--accent-light);color:#065f46}.status-normal::before{background:var(--accent)}
.status-attention{background:#fef3c7;color:#92400e}.status-attention::before{background:var(--warning)}
.status-alert{background:#fee2e2;color:#991b1b}.status-alert::before{background:var(--danger)}

/* RANGE BAR */
.range-bar{position:relative;height:12px;background:linear-gradient(90deg,#fee2e2 0%,#fef3c7 15%,var(--accent-light) 30%,var(--accent-light) 70%,#fef3c7 85%,#fee2e2 100%);border-radius:6px;margin:16px 0 6px}
.range-marker{position:absolute;top:-6px;width:4px;height:24px;background:var(--text);border-radius:2px;transform:translateX(-50%)}
.range-marker::after{content:attr(data-label);position:absolute;top:-22px;left:50%;transform:translateX(-50%);background:var(--text);color:#fff;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;white-space:nowrap}
.range-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--text-soft)}

/* TRANSLATION */
.translation{margin-top:14px;padding:14px;background:var(--primary-light);border-left:4px solid var(--primary);border-radius:8px;font-size:14px}
.translation strong{color:var(--primary-dark);display:block;margin-bottom:4px;font-size:13px}

/* UPLOAD */
.upload-area{border:2px dashed var(--border);border-radius:16px;padding:60px 20px;text-align:center;background:#fff;cursor:pointer;transition:all .2s}
.upload-area:hover{border-color:var(--primary);background:var(--primary-light)}
.upload-area .big-icon{font-size:56px;margin-bottom:16px}
.upload-area h3{font-size:20px;margin-bottom:8px}
.upload-area p{color:var(--text-soft);font-size:14px}

/* CHART */
.chart{display:flex;align-items:flex-end;gap:8px;height:180px;padding:16px 0;border-bottom:1px solid var(--border)}
.chart-bar{flex:1;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:6px 6px 0 0;min-height:10%;position:relative;transition:all .2s}
.chart-bar:hover{opacity:.85}
.chart-bar span{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:11px;font-weight:700;color:var(--text)}
.chart-labels{display:flex;gap:8px;margin-top:8px}
.chart-labels div{flex:1;text-align:center;font-size:11px;color:var(--text-soft)}

/* BADGES/MISC */
.tag{display:inline-block;background:var(--primary-light);color:var(--primary-dark);padding:4px 10px;border-radius:12px;font-size:11px;font-weight:700}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}}
.alert{padding:14px 18px;border-radius:10px;margin-bottom:20px;font-size:14px}
.alert-warn{background:#fffbeb;border:1px solid #fcd34d;color:#78350f}
.alert-info{background:var(--primary-light);border:1px solid var(--primary);color:var(--primary-dark)}
h2{font-size:20px;margin-bottom:16px}
h3{font-size:16px;margin-bottom:10px}
.row-between{display:flex;justify-content:space-between;align-items:center}
.mt{margin-top:20px}.mb{margin-bottom:20px}