/* =========================================================
   SUHANA TELECOM - Design System
   ========================================================= */
:root{
  --navy-950:#0b1220;
  --navy-900:#0f1b2d;
  --navy-800:#132540;
  --navy-700:#1a3358;
  --gold-500:#d4af37;
  --gold-400:#e8c766;
  --bg:#f4f6fb;
  --card:#ffffff;
  --border:#e7eaf2;
  --text:#1b2436;
  --text-muted:#697386;
  --success:#16a34a;
  --success-bg:#e9f9ef;
  --danger:#dc2626;
  --danger-bg:#fdeaea;
  --warning:#d97706;
  --warning-bg:#fef3e2;
  --info:#2563eb;
  --info-bg:#eaf1ff;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 3px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);
  --shadow-md:0 4px 14px rgba(16,24,40,.08);
  --sidebar-w:250px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:14.5px;
  line-height:1.5;
}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0 0 8px;font-weight:700;}

/* ---------- Layout ---------- */
.app-shell{display:flex;min-height:100vh;}
.main-area{flex:1;display:flex;flex-direction:column;min-width:0;margin-left:var(--sidebar-w);}
.content{padding:24px 28px 60px;max-width:1400px;width:100%;margin:0 auto;}

/* ---------- Sidebar ---------- */
.sidebar{
  width:var(--sidebar-w);
  background:linear-gradient(180deg,var(--navy-950),var(--navy-900));
  position:fixed;top:0;left:0;bottom:0;
  overflow-y:auto;z-index:40;
  border-right:1px solid rgba(255,255,255,.05);
}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:22px 18px;border-bottom:1px solid rgba(255,255,255,.08);}
.brand-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--gold-400),var(--gold-500));
  color:var(--navy-950);font-weight:800;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;font-size:15px;
}
.brand-text strong{display:block;color:#fff;font-size:14.5px;}
.brand-text small{color:#8ba0c2;font-size:11.5px;}
.sidebar-nav{padding:14px 10px 40px;}
.sidebar-nav a{
  display:flex;align-items:center;gap:10px;
  color:#b7c4dc;padding:10px 12px;border-radius:8px;
  font-size:13.5px;font-weight:500;margin-bottom:2px;
  transition:background .15s,color .15s;
}
.sidebar-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.sidebar-nav a.active{background:linear-gradient(135deg,var(--gold-500),#b8912b);color:#1b1400;font-weight:700;}
.nav-icon{width:18px;text-align:center;font-size:14px;}
.nav-group-label{color:#5b6c8c;font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;padding:16px 12px 6px;font-weight:700;}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35;}

/* ---------- Topbar ---------- */
.topbar{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border-bottom:1px solid var(--border);
  padding:14px 28px;position:sticky;top:0;z-index:30;
}
.page-title{font-size:19px;margin:0;flex:1;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.user-chip{display:flex;align-items:center;gap:10px;}
.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--navy-800);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;}
.user-info{display:flex;flex-direction:column;line-height:1.2;}
.user-info small{color:var(--text-muted);font-size:11px;}
.hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;padding:6px;}
.hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px;}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.card-header h3{margin:0;font-size:16px;}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat-card .stat-icon{
  width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:12px;
}
.stat-card .stat-label{color:var(--text-muted);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;}
.stat-card .stat-value{font-size:24px;font-weight:800;margin-top:4px;}
.stat-card .stat-sub{font-size:12px;color:var(--text-muted);margin-top:4px;}
.stat-card a.stat-link{position:absolute;inset:0;}
.icon-navy{background:var(--info-bg);color:var(--info);}
.icon-gold{background:var(--warning-bg);color:var(--warning);}
.icon-green{background:var(--success-bg);color:var(--success);}
.icon-red{background:var(--danger-bg);color:var(--danger);}

.quick-actions{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:24px;}
.quick-action{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px 12px;text-align:center;font-weight:600;font-size:13px;
  transition:transform .15s, box-shadow .15s;
}
.quick-action:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--gold-500);}
.quick-action .qa-icon{font-size:22px;display:block;margin-bottom:8px;}

.grid-2{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;}
@media(max-width:1000px){.grid-2{grid-template-columns:1fr;}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 18px;border-radius:8px;border:none;font-weight:600;font-size:13.5px;
  cursor:pointer;transition:.15s;text-decoration:none;
}
.btn-primary{background:linear-gradient(135deg,var(--navy-800),var(--navy-700));color:#fff;}
.btn-primary:hover{filter:brightness(1.1);}
.btn-gold{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:#1b1400;}
.btn-gold:hover{filter:brightness(1.05);}
.btn-success{background:var(--success);color:#fff;}
.btn-danger{background:var(--danger);color:#fff;}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);}
.btn-ghost:hover{background:var(--bg);}
.btn-sm{padding:6px 12px;font-size:12.5px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.6;cursor:not-allowed;}

/* ---------- Forms ---------- */
.form-group{margin-bottom:16px;}
label{display:block;font-weight:600;font-size:13px;margin-bottom:6px;color:var(--text);}
.form-hint{font-size:11.5px;color:var(--text-muted);margin-top:4px;}
input[type=text],input[type=number],input[type=email],input[type=password],
input[type=date],input[type=datetime-local],input[type=tel],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;
  font-size:13.5px;background:#fff;color:var(--text);font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(212,175,55,.15);}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;}
.input-error{border-color:var(--danger) !important;}
.field-error{color:var(--danger);font-size:11.5px;margin-top:4px;display:none;}
.password-wrap{position:relative;}
.password-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);font-size:13px;}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);}
table{width:100%;border-collapse:collapse;background:#fff;min-width:640px;}
thead th{
  background:var(--navy-950);color:#dbe4f5;text-align:left;padding:11px 14px;
  font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;font-weight:700;white-space:nowrap;
}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#fafbfe;}
.table-empty{text-align:center;padding:40px 20px;color:var(--text-muted);}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;}
.badge-green{background:var(--success-bg);color:var(--success);}
.badge-red{background:var(--danger-bg);color:var(--danger);}
.badge-gold{background:var(--warning-bg);color:var(--warning);}
.badge-blue{background:var(--info-bg);color:var(--info);}
.badge-gray{background:#eef0f5;color:#5c667a;}

/* ---------- Alerts / Toasts ---------- */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:13.5px;font-weight:500;}
.alert-success{background:var(--success-bg);color:var(--success);}
.alert-error,.alert-danger{background:var(--danger-bg);color:var(--danger);}
.alert-info{background:var(--info-bg);color:var(--info);}
.toast-container{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:10px;}
.toast{
  background:var(--navy-950);color:#fff;padding:12px 18px;border-radius:8px;
  box-shadow:var(--shadow-md);font-size:13px;min-width:240px;
  animation:slideIn .2s ease;border-left:4px solid var(--gold-500);
}
.toast.toast-error{border-left-color:var(--danger);}
.toast.toast-success{border-left-color:var(--success);}
@keyframes slideIn{from{transform:translateX(30px);opacity:0;}to{transform:translateX(0);opacity:1;}}

/* ---------- Modal ---------- */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(11,18,32,.55);z-index:100;align-items:center;justify-content:center;padding:20px;}
.modal-overlay.open{display:flex;}
.modal{background:#fff;border-radius:var(--radius);max-width:560px;width:100%;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow-md);}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border);}
.modal-header h3{margin:0;font-size:16px;}
.modal-close{background:none;border:none;font-size:20px;color:var(--text-muted);cursor:pointer;}
.modal-body{padding:20px 22px;}
.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;}

/* ---------- Filters ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;align-items:center;}
.filter-bar select,.filter-bar input{width:auto;min-width:160px;}
.chip-filter{display:flex;gap:8px;flex-wrap:wrap;}
.chip{padding:8px 16px;border-radius:20px;border:1px solid var(--border);background:#fff;font-size:12.5px;font-weight:600;cursor:pointer;}
.chip.active{background:var(--navy-950);color:#fff;border-color:var(--navy-950);}

/* ---------- Misc ---------- */
.text-muted{color:var(--text-muted);}
.text-success{color:var(--success);}
.text-danger{color:var(--danger);}
.mt-0{margin-top:0;}
.d-flex{display:flex;}
.gap-8{gap:8px;}
.align-center{align-items:center;}
.justify-between{justify-content:space-between;}
.empty-state{text-align:center;padding:50px 20px;color:var(--text-muted);}
.empty-state .es-icon{font-size:38px;margin-bottom:10px;}
.progress-bar{height:6px;background:var(--border);border-radius:6px;overflow:hidden;}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--gold-400),var(--gold-500));}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy-950),var(--navy-800));padding:20px;}
.login-card{background:#fff;border-radius:16px;padding:40px 34px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.35);}
.login-brand{text-align:center;margin-bottom:26px;}
.login-brand .brand-mark{margin:0 auto 12px;width:56px;height:56px;font-size:20px;}
.login-brand h2{margin:0;font-size:19px;}
.login-brand p{color:var(--text-muted);font-size:12.5px;margin:4px 0 0;}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .2s;box-shadow:0 0 0 rgba(0,0,0,0);}
  .sidebar.open{transform:translateX(0);box-shadow:6px 0 24px rgba(0,0,0,.2);}
  .main-area{margin-left:0;}
  .hamburger{display:flex;}
  .sidebar-overlay.open{display:block;}
  .content{padding:18px 14px 50px;}
  .topbar{padding:12px 16px;}
  .page-title{font-size:16px;}
  .user-info{display:none;}
}