:root{
  --bg:#f3f7fc;
  --bg-2:#ffffff;
  --card:#ffffff;
  --card-2:#eef4fc;
  --border:#cfdcf1;
  --border-soft:#e3eaf6;
  --text:#1a3a6b;
  --text-strong:#0c2347;
  --muted:#6a86ad;
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --primary-soft:#dbeafe;
  --accent:#0ea5e9;
  --success:#10b981;
  --danger:#dc2626;
  --warning:#d97706;
  --shadow:0 8px 24px rgba(13,52,107,.08);
  --shadow-sm:0 2px 8px rgba(13,52,107,.06);
}

*{box-sizing:border-box}
html,body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100%;margin:0}
body{
  background:
    radial-gradient(900px 500px at 90% -10%, rgba(37,99,235,.06), transparent 60%),
    radial-gradient(700px 400px at -10% 20%, rgba(14,165,233,.05), transparent 60%),
    var(--bg);
}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-2)}
.text-muted{color:var(--muted)!important}
h1,h2,h3,h4,h5,h6{color:var(--text-strong)}

/* Form controls */
.form-control,.form-select{background:#fff;border:1px solid var(--border);color:var(--text-strong);border-radius:10px;padding:.65rem .85rem}
.form-control:focus,.form-select:focus{background:#fff;color:var(--text-strong);border-color:var(--primary);box-shadow:0 0 0 .2rem rgba(37,99,235,.15)}
.form-control::placeholder{color:#9fb1cc}
.form-label{font-weight:600;color:var(--text-strong);margin-bottom:.4rem;font-size:.9rem}
.form-text{color:var(--muted)!important}
.form-check-input{border-color:var(--border);background-color:#fff}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary)}
.form-switch .form-check-input{height:1.2rem;width:2.4rem}

/* Buttons */
.btn{border-radius:10px;font-weight:600;padding:.55rem .95rem;transition:transform .15s ease,box-shadow .2s ease,background .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));border:none;color:#fff;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.btn-primary:hover{background:linear-gradient(135deg,var(--primary-2),#1e3fb8);color:#fff}
.btn-outline-light,.btn-outline-primary{border:1px solid var(--border);color:var(--primary);background:#fff}
.btn-outline-light:hover,.btn-outline-primary:hover{background:var(--primary-soft);color:var(--primary-2);border-color:var(--primary)}
.btn-warning{background:linear-gradient(135deg,#f59e0b,#d97706);border:none;color:#fff}
.btn-warning:hover{background:#d97706;color:#fff}
.btn-success{background:linear-gradient(135deg,#10b981,#059669);border:none;color:#fff}
.btn-danger{background:linear-gradient(135deg,#dc2626,#b91c1c);border:none;color:#fff}
.btn-soft{background:var(--card-2);color:var(--primary);border:1px solid var(--border)}
.btn-soft:hover{background:var(--primary-soft);color:var(--primary-2)}
.btn-link-primary{background:transparent;border:none;color:var(--primary);padding:.5rem .8rem;font-weight:700}
.btn-link-primary:hover{color:var(--primary-2);text-decoration:underline}

/* Cards */
.glass-card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}
.card-pad{padding:1.4rem}
.card-tight{padding:1rem}

/* Brand */
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;color:var(--text-strong)}
.brand-mark{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:900;box-shadow:0 6px 14px rgba(37,99,235,.3)}
.brand-name{font-size:1.15rem}

/* Auth shell */
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.auth-card{width:100%;max-width:460px}
.auth-card .glass-card{padding:2rem}
.auth-tabs a{padding:.5rem .9rem;border-radius:10px;color:var(--muted);font-weight:600}
.auth-tabs a.active{background:var(--primary-soft);color:var(--primary-2)}
.input-icon{position:relative}
.input-icon i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);z-index:2}
.input-icon .form-control{padding-left:42px}

/* App shell */
.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
@media (max-width: 991px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-100%;top:0;bottom:0;width:260px;z-index:1040;transition:left .25s}
  .sidebar.open{left:0}
}
.sidebar{background:#fff;border-right:1px solid var(--border);padding:1rem;display:flex;flex-direction:column;gap:1rem;box-shadow:var(--shadow-sm)}
.sidebar .nav-link{color:var(--muted);border-radius:10px;padding:.6rem .85rem;display:flex;gap:.7rem;align-items:center;font-weight:600;font-size:.92rem}
.sidebar .nav-link i{width:18px;text-align:center}
.sidebar .nav-link.active,.sidebar .nav-link:hover{color:var(--primary-2);background:var(--primary-soft)}
.sidebar .nav-link.active{box-shadow:inset 3px 0 0 var(--primary)}
.sidebar .small.text-muted strong{color:var(--text-strong)!important}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:10;box-shadow:var(--shadow-sm)}
.topbar .right{display:flex;gap:.6rem;align-items:center}
.topbar .ist-clock{color:var(--muted);font-variant-numeric:tabular-nums;font-weight:600}

.main{padding:22px}
.page-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.2rem;flex-wrap:wrap;gap:.5rem}
.page-title h1{font-size:1.5rem;margin:0;font-weight:800;color:var(--text-strong)}
.subtle{color:var(--muted);font-size:.92rem}

/* Stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:18px}
.stat{padding:1.1rem 1.2rem;border-radius:16px;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat .icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:1.05rem;margin-bottom:.5rem}
.stat .label{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.6px;font-weight:600}
.stat .value{font-size:1.6rem;font-weight:800;color:var(--text-strong);margin-top:.25rem}
.stat .delta{font-size:.85rem;color:var(--muted);margin-top:.2rem}
.stat.tone-blue .icon{background:rgba(37,99,235,.12);color:var(--primary)}
.stat.tone-amber .icon{background:rgba(245,158,11,.16);color:#d97706}
.stat.tone-green .icon{background:rgba(16,185,129,.14);color:#059669}
.stat.tone-red .icon{background:rgba(220,38,38,.12);color:#dc2626}
.stat.tone-violet .icon{background:rgba(124,58,237,.14);color:#7c3aed}

/* Tables */
.table{color:var(--text-strong);--bs-table-bg:transparent;--bs-table-color:var(--text-strong);--bs-table-striped-bg:#f7faff;margin-bottom:0}
.table > :not(caption) > * > *{border-color:var(--border-soft);padding:.7rem .65rem}
.table thead th{color:var(--muted);font-weight:700;text-transform:uppercase;font-size:.74rem;letter-spacing:.5px;border-bottom:1px solid var(--border)}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:rgba(37,99,235,.04)}

.badge-soft{background:var(--card-2);color:var(--primary);border:1px solid var(--border);padding:.35rem .55rem;border-radius:8px;font-size:.75rem;font-weight:700;display:inline-block}
.badge-success{background:rgba(16,185,129,.15);color:#047857;border:1px solid rgba(16,185,129,.3)}
.badge-warning{background:rgba(245,158,11,.18);color:#92400e;border:1px solid rgba(245,158,11,.3)}
.badge-danger{background:rgba(220,38,38,.12);color:#b91c1c;border:1px solid rgba(220,38,38,.3)}

/* Alerts */
.flash{padding:.85rem 1rem;border-radius:12px;margin-bottom:1rem;border:1px solid var(--border);background:#fff;display:flex;gap:.7rem;align-items:center;animation:slideDown .3s ease;color:var(--text-strong);font-weight:500}
.flash.success{background:#ecfdf5;border-color:#a7f3d0;color:#047857}
.flash.error{background:#fef2f2;border-color:#fecaca;color:#b91c1c}
.flash.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}
.flash.info{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}

@keyframes slideDown{from{transform:translateY(-8px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn .35s ease both}
.fade-in.delay-1{animation-delay:.05s}
.fade-in.delay-2{animation-delay:.1s}
.fade-in.delay-3{animation-delay:.15s}
.fade-in.delay-4{animation-delay:.2s}

/* Single OTP input */
.otp-single{width:100%;text-align:center;font-size:1.8rem;font-weight:800;letter-spacing:.7rem;padding:1rem 1.2rem;background:#fff;border:2px solid var(--border);border-radius:14px;color:var(--text-strong)}
.otp-single:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 4px rgba(37,99,235,.18)}

/* Splash */
.splash{position:fixed;inset:0;background:linear-gradient(180deg,#ffffff 0%,#dbe7fa 100%);display:grid;place-items:center;z-index:9999;animation:fadeIn .4s ease}
.splash-stage{position:relative;width:min(560px,90vw);height:240px;overflow:hidden}
.splash-road{position:absolute;left:0;right:0;bottom:64px;height:4px;background:repeating-linear-gradient(to right, var(--muted) 0 24px, transparent 24px 48px);opacity:.3}
.splash-pump{position:absolute;right:6%;bottom:64px;width:70px;height:120px;background:linear-gradient(180deg,var(--primary),var(--primary-2));border-radius:10px;box-shadow:0 12px 22px rgba(37,99,235,.3);color:#fff}
.splash-pump:before{content:"";position:absolute;top:18px;left:14px;width:42px;height:34px;background:#fff;border-radius:6px;opacity:.25}
.splash-pump:after{content:"⛽";position:absolute;top:24px;left:24px;font-size:18px}
.splash-car{position:absolute;left:0;bottom:64px;font-size:54px;color:var(--primary);animation:carDrive 2.4s cubic-bezier(.4,.2,.2,1) forwards}
@keyframes carDrive{0%{left:-15%;opacity:0}20%{opacity:1}70%{left:62%}100%{left:62%}}
.splash-drop{position:absolute;right:18%;bottom:170px;color:var(--primary);font-size:24px;opacity:0;animation:dropFall 1.2s ease 1.6s infinite}
@keyframes dropFall{0%{opacity:0;transform:translateY(-10px)}40%{opacity:1}100%{opacity:0;transform:translateY(40px)}}
.splash-title{margin-top:1.5rem;text-align:center}
.splash-title h1{font-size:1.9rem;margin:0;color:var(--primary-2);font-weight:800}
.splash-title p{color:var(--muted);margin:.25rem 0 0}
.splash.hidden{opacity:0;pointer-events:none;transition:opacity .35s ease}

/* Toast */
.toast-stack{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:1100}
.toast-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:.8rem 1rem;min-width:280px;box-shadow:var(--shadow);animation:slideDown .25s ease;display:flex;gap:.7rem;align-items:flex-start;color:var(--text-strong)}
.toast-card .icon{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary)}

/* Landing */
.landing-hero{padding:60px 0 30px;text-align:center}
.landing-hero h1{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:800;letter-spacing:-.5px;margin:.5rem 0;color:var(--text-strong)}
.landing-hero p{color:var(--muted);max-width:620px;margin:0 auto}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:30px}
.feature{padding:1rem;border-radius:14px;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow)}
.feature h6{color:var(--text-strong)}
.feature .ico{width:40px;height:40px;border-radius:10px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;margin-bottom:.5rem}

.menu-toggle{display:none;background:#fff;border:1px solid var(--border);color:var(--primary);width:38px;height:38px;border-radius:10px}
/* Hide hamburger on phones — bottom nav replaces it. Show only on tablet (768-991px). */
@media (min-width: 768px) and (max-width: 991px){.menu-toggle{display:inline-grid;place-items:center}}

/* ── Mobile bottom navigation (phones only) ─────────────────────────── */
.mobile-nav{display:none}
@media (max-width: 767px){
  /* Hide the slide-in sidebar entirely on phones */
  .sidebar{display:none !important}
  .app-shell{grid-template-columns:1fr}
  /* Make sure content isn't hidden behind the fixed bottom bar */
  .main{padding-bottom:calc(76px + env(safe-area-inset-bottom, 0px)) !important}

  .mobile-nav{
    display:grid;
    grid-template-columns:repeat(5, 1fr);
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:1050;
    background:#fff;
    border-top:1px solid var(--border);
    box-shadow:0 -4px 16px rgba(0,0,0,.06);
    padding:6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
    gap:2px;
  }
  .mobile-nav-item{
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;
    padding:6px 2px;
    color:var(--muted);
    text-decoration:none;
    font-size:10.5px;
    font-weight:600;
    border-radius:10px;
    transition:color .15s, background .15s;
    -webkit-tap-highlight-color:transparent;
  }
  .mobile-nav-item i{font-size:18px;line-height:1}
  .mobile-nav-item:active{background:var(--primary-soft)}
  .mobile-nav-item.active{color:var(--primary)}
  .mobile-nav-item.active i{transform:translateY(-1px)}

  /* Highlighted middle "Fuel" action */
  .mobile-nav-fab{
    position:relative;
    color:#fff !important;
    background:var(--primary);
    margin-top:-18px;
    border-radius:14px;
    box-shadow:0 6px 14px rgba(37,99,235,.35);
  }
  .mobile-nav-fab i{font-size:20px}
  .mobile-nav-fab.active{background:var(--primary-2, var(--primary))}

  /* Topbar tweaks for phones */
  .topbar .menu-toggle{display:none}
  .topbar{position:sticky;top:0;z-index:1040;background:#fff}
}

/* Low fuel banner */
.lowfuel{background:#fff5f5;border:1px solid #fecaca;color:#991b1b;border-radius:12px;padding:.85rem 1rem;display:flex;gap:.6rem;align-items:center;margin-bottom:1rem;animation:pulseRed 2s infinite}
@keyframes pulseRed{0%,100%{box-shadow:0 0 0 0 rgba(220,38,38, 0)}50%{box-shadow:0 0 0 8px rgba(220,38,38,.06)}}

/* Settings layout (admin SMS / SMTP / OneSignal pages) */
.settings-tabs{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.settings-tabs a{padding:.5rem .85rem;border-radius:10px;color:var(--muted);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.4px;display:inline-flex;gap:.4rem;align-items:center}
.settings-tabs a:hover,.settings-tabs a.active{color:var(--primary-2);background:var(--primary-soft)}

.settings-section .glass-card{padding:0;overflow:hidden}
.settings-head{padding:1rem 1.2rem;border-bottom:1px solid var(--border-soft);background:#f5f9ff;display:flex;align-items:center;gap:.6rem;color:var(--text-strong);font-weight:700}
.settings-head h5{margin:0;color:var(--text-strong);font-weight:700;font-size:1.05rem}
.settings-head .icon{width:30px;height:30px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center}
.settings-body{padding:1.4rem}

.kv-list{display:flex;flex-direction:column;gap:.85rem}
.kv-list .kv .k{color:var(--muted);font-size:.82rem;font-weight:600;margin-bottom:.2rem}
.kv-list .kv .v{color:var(--text-strong);font-weight:600;word-break:break-all}
.kv-list code,.code-block{background:#eef4fc;color:var(--primary-2);padding:.4rem .6rem;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86rem;display:block;border:1px solid var(--border-soft);word-break:break-all}

.status-pill{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .65rem;border-radius:999px;font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.4px}
.status-pill.active{background:rgba(16,185,129,.15);color:#047857}
.status-pill.inactive{background:rgba(220,38,38,.12);color:#b91c1c}

.quick-link{display:flex;align-items:center;justify-content:center;gap:.45rem;padding:.7rem .8rem;border-radius:10px;background:#f7faff;color:var(--primary);border:1px solid var(--border-soft);font-weight:700;text-transform:uppercase;font-size:.78rem;letter-spacing:.4px;text-align:center}
.quick-link:hover{background:var(--primary-soft);color:var(--primary-2)}

.dropdown-menu{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px}
.dropdown-item{color:var(--text-strong)}
.dropdown-item:hover{background:var(--card-2);color:var(--primary)}
.dropdown-item.text-light{color:var(--text-strong)!important}
.dropdown-item.text-danger{color:var(--danger)!important}

.progress{background:#eef4fc;border:1px solid var(--border-soft);border-radius:8px;height:8px}
.nav-pills .nav-link{color:var(--muted);font-weight:600;background:transparent}
.nav-pills .nav-link.active{background:var(--primary)!important;color:#fff!important}

pre.preview-pre{white-space:pre-wrap;background:#f7faff;border:1px solid var(--border-soft);border-radius:10px;padding:.7rem;color:var(--text-strong);font-size:.86rem;margin:0}