:root{
  /* Palette - mantener verde actual, derivar escalas */
  --color-primary:#2e7d32;        /* verde principal */
  --color-primary-600:#25642a;
  --color-primary-700:#1e5223;
  --color-primary-50:#e8f5e9;
  --color-primary-100:#c8e6c9;

  --color-secondary:#1b5e20;      /* verde oscuro para header */
  --color-accent:#66bb6a;         /* acento */
  --color-accent-600:#57a75c;

  --color-bg:#f6f8f7;
  --color-surface:#ffffff;
  --color-border:#e3e7e5;
  --color-text:#1f2937;
  --color-text-muted:#6b7280;
  --color-danger:#ef4444;
  --color-warning:#f59e0b;
  --color-success:#22c55e;
  --shadow-1:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
  --shadow-2:0 4px 10px rgba(16,24,40,.08);
  --radius-xs:6px;
  --radius-sm:10px;
  --radius-md:14px;

  --space-0:0;
  --space-1:4px;
  --space-2:8px;
  --space-3:12px;
  --space-4:16px;
  --space-5:20px;
  --space-6:24px;
  --space-8:32px;
  --space-10:40px;

  --font-sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans',sans-serif;

  --input-height:42px;
  --container-max:1200px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--color-bg);
  color:var(--color-text);
  font-family:var(--font-sans);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Header unificado */
.header{
  position:sticky; top:0; z-index:1000;
  background:var(--color-secondary);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.header-container{
  max-width:var(--container-max);
  margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:var(--space-3) var(--space-4);
}
.header-logo{height:80px}
.header-actions{display:flex; gap:var(--space-3)}
.header-icon{
  color:#eaf4ea; background:transparent; border:0;
  padding:10px 12px; border-radius:10px; display:inline-flex; align-items:center; justify-content:center;
  transition:background .2s ease, transform .05s ease;
  text-decoration:none;
}
.header-icon:hover{background:rgba(255,255,255,.1)}
.header-icon:active{transform:scale(.98)}

/* Main container */
.main-container{max-width:var(--container-max); margin:24px auto; padding:0 var(--space-4)}
.main-container.no-header{margin-top:40px}

/* Utilities */
.text-muted{color:var(--color-text-muted)!important}
.text-danger{color:var(--color-danger)!important}
.text-success{color:var(--color-success)!important}

/* Buttons */
.btn,
button.btn{
  --btn-bg:var(--color-primary);
  --btn-bg-hover:var(--color-primary-600);
  --btn-color:#fff;
  --btn-border:transparent;
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  padding:10px 16px; height:42px;
  background:var(--btn-bg); color:var(--btn-color);
  border:1px solid var(--btn-border);
  border-radius:10px;
  font-weight:600;
  box-shadow:var(--shadow-1);
  transition:all .15s ease;
}
.btn:hover{background:var(--btn-bg-hover); color:#fff}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn[disabled]{opacity:.6; cursor:not-allowed}

/* Variants */
.btn-outline{
  --btn-bg:transparent; --btn-color:var(--color-primary); --btn-border:var(--color-primary-100);
  box-shadow:none;
}
.btn-outline:hover{background:var(--color-primary-50)}

.btn-danger{ --btn-bg:var(--color-danger); --btn-bg-hover:#dc2626 }

/* Inputs */
.input, input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea{
  width:100%; height:var(--input-height);
  padding:10px 12px;
  border:1px solid var(--color-border);
  border-radius:10px; outline:none;
  background:var(--color-surface); color:var(--color-text);
  transition:border-color .15s ease, box-shadow .15s ease;
}
textarea{height:auto; min-height:110px; line-height:1.5}
.input:focus, input:focus, select:focus, textarea:focus{
  border-color:var(--color-accent);
  box-shadow:0 0 0 3px rgba(102,187,106,.2);
}

/* Cards */
.card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:14px;
  box-shadow:var(--shadow-1);
  padding:16px;
}
.card-lg{padding:24px}
.card-title{font-size:18px; font-weight:700; margin:0 0 8px}

/* Tables */
.table{
  width:100%;
  border-collapse:separate; border-spacing:0;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:12px; overflow:hidden;
  box-shadow:var(--shadow-1);
}
.table th,.table td{padding:12px 14px; border-bottom:1px solid var(--color-border)}
.table thead th{background:var(--color-primary-50); color:var(--color-text); font-weight:700}
.table tr:last-child td{border-bottom:0}

/* Badges */
.badge{
  display:inline-block; padding:6px 10px; border-radius:999px; font-weight:600; font-size:12px;
  background:var(--color-primary-50); color:var(--color-primary-700)
}

/* Sections */
.section{margin:24px 0}
.section-title{font-size:22px; font-weight:800; margin:0 0 12px}

/* Login box helper (si se usa) */
.login-card{
  max-width:420px; margin:0 auto;
  background:var(--color-surface);
  padding:24px; border-radius:16px; box-shadow:var(--shadow-2); border:1px solid var(--color-border);
}
.login-logo{display:block; margin:0 auto 16px; height:32px}
.login-actions{margin-top:16px; display:flex; gap:12px; align-items:center; justify-content:space-between}

/* DataTables quick tune (si se usa) */
.dataTables_wrapper .dataTables_paginate .paginate_button.current{
  background:var(--color-primary); color:#fff!important; border-color:var(--color-primary)
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover{
  background:var(--color-primary-600)!important; color:#fff!important; border-color:var(--color-primary-600)!important
}

/* Responsive */
@media (max-width: 768px){
  .header-container{padding:10px 12px}
  .main-container{padding:0 12px}
}