/* ============================================================
   CréditOS — Estilos globales
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:       #F5F6FA;
    --surface:  #FFFFFF;
    --border:   rgba(0,0,0,0.08);
    --text:     #1A1D23;
    --muted:    #6B7280;
    --accent:   #0080FF;
    --accent-d: #0062CC;
    --success:  #10B981;
    --warning:  #F59E0B;
    --danger:   #EF4444;
    --radius:   12px;
    --sidebar:  220px;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
       background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }

/* Layout */
.app-shell { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border);
           display: flex; flex-direction: column; }
.sidebar-logo { padding: 20px 16px 14px; font-size: 17px; font-weight: 700;
                border-bottom: 1px solid var(--border); letter-spacing: -0.3px; }
.sidebar-logo span { color: var(--accent); }
.user-info { padding: 14px 16px; border-bottom: 1px solid var(--border); }
.user-avatar { width: 38px; height: 38px; border-radius: 50%;
               background: #E0EEFF; color: var(--accent); font-weight: 700;
               display: flex; align-items: center; justify-content: center;
               font-size: 13px; }
.user-name  { font-size: 13px; font-weight: 600; margin-top: 8px; }
.user-role  { font-size: 11px; color: var(--muted); }

/* Nav */
.nav { padding: 10px 8px; flex: 1; }
.nav-link { display: flex; align-items: center; gap: 10px; padding: 9px 10px;
            border-radius: 8px; color: var(--muted); text-decoration: none;
            font-size: 13px; font-weight: 500; transition: .15s; margin-bottom: 2px; }
.nav-link:hover { background: var(--bg); color: var(--text); }
.nav-link.active { background: #E0EEFF; color: var(--accent); }
.nav-link .badge { margin-left: auto; background: var(--danger); color: #fff;
                   font-size: 10px; border-radius: 20px; padding: 1px 7px; }

/* Main */
.main { display: flex; flex-direction: column; }
.topbar { padding: 14px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
          display: flex; align-items: center; justify-content: space-between; }
.topbar h1 { font-size: 16px; font-weight: 600; }
.alert-chip { background: #FEF3C7; color: #92400E; font-size: 11px;
              padding: 4px 12px; border-radius: 20px; font-weight: 600; }
.content { padding: 24px; flex: 1; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border);
        border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.card-title { font-size: 13px; font-weight: 600; margin-bottom: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

/* KPI grid */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.kpi-label { font-size: 11px; color: var(--muted); margin-bottom: 6px; font-weight: 500; text-transform: uppercase; letter-spacing: .4px; }
.kpi-val { font-size: 24px; font-weight: 700; }
.kpi-val.accent  { color: var(--accent); }
.kpi-val.success { color: var(--success); }
.kpi-val.warning { color: var(--warning); }
.kpi-val.danger  { color: var(--danger); }

/* Progress */
.progress-track { background: var(--bg); border-radius: 4px; height: 7px; overflow: hidden; margin: 10px 0 4px; }
.progress-fill  { height: 100%; border-radius: 4px; background: var(--accent); transition: width .4s; }

/* Badges */
.badge { padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; display: inline-block; }
.badge-ok      { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger  { background: #FEE2E2; color: #991B1B; }
.badge-muted   { background: var(--bg); color: var(--muted); }
.badge-info    { background: #E0EEFF; color: #1D4ED8; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px;
       padding: 10px 18px; border-radius: 8px; font-size: 13px; font-weight: 600;
       cursor: pointer; border: none; transition: .15s; text-decoration: none; }
.btn-primary   { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-d); }
.btn-outline   { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--bg); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-success   { background: var(--success); color: #fff; }
.btn-block     { width: 100%; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-label { font-size: 12px; font-weight: 600; color: var(--muted); display: block; margin-bottom: 5px; }
.form-control { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px;
                font-size: 13px; background: var(--surface); color: var(--text);
                transition: border-color .15s; }
.form-control:focus { outline: none; border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 8px 12px; color: var(--muted); font-weight: 600;
     font-size: 11px; text-transform: uppercase; letter-spacing: .4px;
     border-bottom: 1px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg); }

/* Alert box */
.alert { padding: 12px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 14px;
         display: flex; align-items: flex-start; gap: 10px; }
.alert-warning { background: #FEF3C7; color: #92400E; border: 1px solid #FCD34D; }
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #6EE7B7; }
.alert-danger  { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }

/* Toast */
.toast { position: fixed; bottom: 24px; right: 24px; background: var(--text); color: #fff;
         padding: 12px 20px; border-radius: 8px; font-size: 13px; z-index: 9999;
         opacity: 0; transform: translateY(10px); transition: .3s; max-width: 300px; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: var(--success); }
.toast-danger  { background: var(--danger); }
.toast-warning { background: var(--warning); color: #000; }

/* Loading */
#global-loading { position: fixed; inset: 0; background: rgba(255,255,255,.7);
                  display: none; align-items: center; justify-content: center; z-index: 9998; }
.spinner { width: 36px; height: 36px; border: 3px solid var(--border);
           border-top-color: var(--accent); border-radius: 50; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Payment methods */
.method-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 16px; }
.method-btn  { padding: 11px 8px; border: 1px solid var(--border); border-radius: 8px;
               font-size: 12px; font-weight: 600; cursor: pointer; text-align: center;
               background: var(--surface); color: var(--muted); transition: .15s; }
.method-btn.active { border-color: var(--accent); color: var(--accent); background: #E0EEFF; border-width: 2px; }

/* Responsive sidebar on small */
@media (max-width: 768px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { display: none; }
}