/* =====================================================================
   PULSELYNK — Admin Theme & Comprehensive Responsive System
   Mobile-first, touch-friendly, cPanel-compatible, zero dependencies.
   Covers: iPhone (375-430px), Android (360-412px), Tablets (768-1024px),
   Laptops (1280-1440px), and Desktop Monitors (1920px+).
   ===================================================================== */
:root {
  --blue-50:#EAF2FF; --blue-100:#D3E3FF; --blue-500:#0A6CFF; --blue-600:#085AD9; --blue-700:#0747AD;
  --teal-400:#2EE6D6; --teal-500:#00D3C2; --teal-50:#E6FBF9; --teal-700:#008F84;
  --navy-800:#0A1838; --navy-900:#060F27; --navy-950:#030816;
  --ink:#0F1B33; --text:#1E2A44; --muted:#5A6A88; --faint:#8B98B3;
  --border:#E4EAF5; --border-strong:#CBD5E8; --border-light:#F1F5F9;
  --bg:#F5F8FE; --bg-2:#EDF2FB; --surface:#FFFFFF;
  --success:#12B76A; --success-bg:#E8F8F0; --warning:#F79009; --warning-bg:#FFF4E5;
  --danger:#E5484D; --danger-bg:#FDECEC;
  --grad-brand:linear-gradient(135deg,#0A6CFF 0%,#00D3C2 100%);
  --radius-sm:8px; --radius:12px; --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(15,27,51,.06),0 1px 3px rgba(15,27,51,.08);
  --shadow-md:0 8px 24px -8px rgba(15,27,51,.16);
  --font:'Plus Jakarta Sans',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --sidebar-w:250px; --topbar-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.admin-body{margin:0;font-family:var(--font);font-size:15px;line-height:1.55;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}
a{color:var(--blue-600);text-decoration:none}
a:hover{color:var(--blue-700)}
h1,h2,h3,h4{margin:0 0 .5em;color:var(--ink);line-height:1.2;font-weight:800;letter-spacing:-.02em}
h2{font-size:1.25rem}
p{margin:0 0 1em}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em}
.muted{color:var(--muted)}
small{font-size:.86em}
.icon{width:1.2em;height:1.2em;flex:none}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:.6rem 1rem;border-radius:8px;z-index:100}
.skip-link:focus{left:8px}

/* ---------- Login shell ---------------------------------------------- */
body.admin-login{min-height:100vh;background:
  radial-gradient(900px 500px at 85% -10%,rgba(10,108,255,.35),transparent 60%),
  radial-gradient(700px 500px at -10% 110%,rgba(0,211,194,.25),transparent 60%),
  linear-gradient(180deg,var(--navy-800),var(--navy-950));
  display:grid;place-items:center;padding:1.5rem}
.login-wrap{width:min(430px,100%)}
.login-card{background:#fff;border-radius:20px;padding:2.25rem;box-shadow:0 30px 80px -30px rgba(0,0,0,.6)}
.login-brand{text-align:center;margin-bottom:1.75rem}
.login-brand .logo-mark{width:52px;height:52px;margin:0 auto .9rem}
.login-brand h1{font-size:1.55rem;margin-bottom:.3rem}
.login-brand h1 span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.login-brand p{color:var(--muted);font-size:.92rem;margin:0}
.login-note{display:flex;align-items:center;justify-content:center;gap:.45rem;color:var(--faint);font-size:.78rem;margin:1.25rem 0 0}
.login-note .icon{width:1em;height:1em}

/* ---------- Buttons (touch-friendly min 40-44px targets) ------------ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.15rem;border-radius:999px;border:1.5px solid transparent;font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;text-decoration:none;min-height:42px;touch-action:manipulation;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s,color .15s}
.btn .icon{width:1.05em;height:1.05em}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-lg{padding:.85rem 1.5rem;font-size:1rem;min-height:48px}
.btn-sm{padding:.45rem .85rem;font-size:.82rem;min-height:36px}
.btn-xs{padding:.3rem .65rem;font-size:.76rem;border-radius:6px;min-height:30px}
.btn-block{width:100%;display:flex}
.btn-primary{background:var(--blue-500);color:#fff;box-shadow:0 10px 24px -10px rgba(10,108,255,.6)}
.btn-primary:hover{background:var(--blue-600);color:#fff}
.btn-accent{background:var(--teal-500);color:var(--navy-900)}
.btn-outline{background:#fff;color:var(--text);border-color:var(--border-strong)}
.btn-outline:hover{border-color:var(--blue-500);color:var(--blue-600)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{background:var(--bg-2);color:var(--ink)}

/* ---------- Forms & Inputs -------------------------------------------- */
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:700;font-size:.86rem;color:var(--ink);margin-bottom:.4rem}
.field input[type=email],.field input[type=password],.field input[type=text],.field input[type=tel],.field input[type=date],.field input[type=number],.field select,.field textarea,
.input,.form-input{
  width:100%;padding:.7rem .9rem;border:1.5px solid var(--border-strong);border-radius:10px;background:#fff;color:var(--ink);font-family:inherit;font-size:15px;min-height:44px;transition:border-color .15s,box-shadow .15s}
.field textarea{min-height:100px;resize:vertical}
.field select, select.input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A6A88' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;padding-right:2.4rem}
.field input:focus,.field select:focus,.field textarea:focus,.input:focus,.form-input:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(10,108,255,.14)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.1)}
.field-error{display:flex;align-items:center;gap:.35rem;color:var(--danger);font-size:.8rem;font-weight:600;margin-top:.35rem}

/* ---------- Segmented Control Tabs (Pills) --------------------------- */
.segmented{display:inline-flex;background:var(--bg-2);border-radius:999px;padding:4px;gap:4px;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.segmented a, .segmented label{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .95rem;border-radius:999px;font-weight:700;font-size:.84rem;color:var(--muted);white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s;text-decoration:none;cursor:pointer}
.segmented a:hover{color:var(--ink)}
.segmented a.is-active, .segmented input:checked + span{background:#fff;color:var(--blue-600);box-shadow:var(--shadow-sm)}
.segmented input{position:absolute;opacity:0;pointer-events:none}

/* ---------- Alerts & Badges ------------------------------------------- */
.alert{display:flex;gap:.6rem;align-items:flex-start;padding:.85rem 1rem;border-radius:12px;border:1px solid;font-size:.9rem;margin-bottom:1rem}
.alert .icon{margin-top:.1em}
.alert-success{background:var(--success-bg);border-color:#BFEBD4;color:#0B5B36}
.alert-error{background:var(--danger-bg);border-color:#F7C5C7;color:#8C1D22}
.alert-info{background:var(--blue-50);border-color:var(--blue-100);color:var(--blue-700)}
.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.22rem .6rem;border-radius:999px;font-size:.72rem;font-weight:700;background:var(--bg-2);color:var(--muted)}
.badge-teal{background:var(--teal-50);color:var(--teal-700)}
.badge-sm{padding:.15rem .45rem;font-size:.68rem}
.badge-status-new{background:var(--blue-50);color:var(--blue-700)}
.badge-status-contacted{background:#EEF1FF;color:#4338CA}
.badge-status-scheduled{background:var(--warning-bg);color:#B25E00}
.badge-status-installed,.badge-status-active,.badge-status-completed{background:var(--success-bg);color:#0B7A45}
.badge-status-pending{background:var(--bg-2);color:var(--muted)}
.badge-status-suspended,.badge-status-on_hold{background:var(--warning-bg);color:#B25E00}
.badge-status-rejected,.badge-status-failed,.badge-status-expired,.badge-status-cancelled,.badge-status-disconnected{background:var(--danger-bg);color:#B42328}

/* ---------- Shell layout ---------------------------------------------- */
.admin-shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.sidebar{background:var(--navy-900);color:rgba(255,255,255,.72);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;-webkit-overflow-scrolling:touch}
.sidebar-brand{display:flex;align-items:center;gap:.6rem;padding:1.1rem 1.15rem;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar-brand .logo-mark{width:34px;height:34px}
.logo-word{font-size:1.15rem;font-weight:800;letter-spacing:-.02em;color:#fff}
.logo-word span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.sidebar-badge{margin-left:auto;font-size:.6rem;font-weight:800;letter-spacing:.14em;color:var(--teal-400);background:rgba(0,211,194,.12);padding:.2rem .5rem;border-radius:6px}
.sidebar-nav{padding:.9rem .7rem;display:grid;gap:.15rem;flex:1}
.nav-link{display:flex;align-items:center;gap:.7rem;padding:.6rem .75rem;border-radius:10px;color:rgba(255,255,255,.72);font-weight:600;font-size:.92rem;min-height:40px;transition:background .15s,color .15s}
.nav-link .icon{width:1.15em;height:1.15em;opacity:.85}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-link.is-active{background:var(--grad-brand);color:#fff;box-shadow:0 8px 18px -8px rgba(10,108,255,.7)}
.nav-link.is-active .icon{opacity:1}
.soon-tag{margin-left:auto;font-style:normal;font-size:.58rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.5);background:rgba(255,255,255,.09);padding:.14rem .42rem;border-radius:5px}
.nav-link.is-active .soon-tag{background:rgba(255,255,255,.22);color:#fff}
.sidebar-foot{padding:.9rem 1.15rem;border-top:1px solid rgba(255,255,255,.08);display:grid;gap:.5rem}
.sidebar-foot a,.sidebar-foot button{display:flex;align-items:center;gap:.55rem;background:none;border:0;color:rgba(255,255,255,.65);font:inherit;font-size:.88rem;font-weight:600;padding:.5rem .6rem;border-radius:9px;cursor:pointer;text-align:left;min-height:38px}
.sidebar-foot a:hover,.sidebar-foot button:hover{background:rgba(255,255,255,.07);color:#fff}

.admin-main-wrap{display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:1rem;height:var(--topbar-h);padding:0 1.5rem;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.topbar-title{font-size:1.15rem;margin:0;flex:1}
.topbar-burger{display:none;background:none;border:0;padding:.4rem;cursor:pointer;color:var(--ink);min-width:44px;min-height:44px;place-items:center;border-radius:8px}
.topbar-burger:focus-visible{outline:2px solid var(--blue-500)}
.topbar-burger .icon{width:24px;height:24px}
.user-chip{display:flex;align-items:center;gap:.6rem}
.user-avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--grad-brand);color:#fff;font-weight:800;font-size:.95rem}
.user-meta{display:flex;flex-direction:column;line-height:1.15}
.user-meta b{font-size:.88rem;color:var(--ink)}
.user-meta small{font-size:.72rem;color:var(--muted);text-transform:capitalize}

.admin-main{padding:1.75rem;max-width:min(1560px,100%);width:100%;margin-inline:auto;display:grid;gap:1.5rem;align-content:start}

/* ---------- Stat cards ------------------------------------------------ */
.stat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.1rem 1.2rem;display:flex;flex-direction:column;gap:.15rem;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;text-decoration:none}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat-card.is-alert{border-color:#FFDDB0;background:linear-gradient(180deg,#FFFBF4,#fff)}
.stat-card-top{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.stat-card-top small{color:var(--faint);font-size:.7rem;font-weight:600;text-align:right}
.stat-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--blue-50);color:var(--blue-600)}
.stat-icon .icon{width:18px;height:18px}
.stat-card.is-alert .stat-icon{background:var(--warning-bg);color:var(--warning)}
.stat-card b{font-size:1.55rem;letter-spacing:-.03em;color:var(--ink)}
.stat-label{color:var(--muted);font-size:.78rem;font-weight:700}

/* ---------- Panels & Desktop Tables ----------------------------------- */
.dash-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:1.5rem;align-items:start}
.panel{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 1.35rem;border-bottom:1px solid var(--border);flex-wrap:wrap}
.panel-head h2{margin:0;font-size:1.05rem}
.panel-head a{font-size:.85rem;font-weight:700;display:inline-flex;align-items:center;gap:.2rem}
.panel-empty{padding:2rem 1.35rem;color:var(--muted);font-size:.92rem;margin:0;text-align:center}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;position:relative}
.table-wrap.can-scroll::after{content:"";position:absolute;top:0;right:0;bottom:0;width:18px;background:linear-gradient(90deg,transparent,rgba(15,27,51,.08));pointer-events:none;transition:opacity .2s}
.table-wrap.can-scroll.scrolled-end::after{opacity:0}

.table{width:100%;border-collapse:collapse;font-size:.88rem;min-width:560px}
.table th{text-align:left;padding:.7rem 1.35rem;background:var(--bg);color:var(--muted);font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:.75rem 1.35rem;border-bottom:1px solid var(--border);vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:var(--bg)}

/* ---------- Pagination ------------------------------------------------- */
.pagination{display:flex;gap:.4rem;align-items:center;padding:1rem 1.35rem;border-top:1px solid var(--border);flex-wrap:wrap}
.page-link{display:inline-grid;place-items:center;min-width:38px;height:38px;padding:0 .5rem;border-radius:8px;border:1px solid var(--border);font-size:.85rem;font-weight:700;color:var(--text);background:#fff;text-decoration:none;touch-action:manipulation}
.page-link:hover{border-color:var(--blue-500);color:var(--blue-600)}
.page-link.is-current{background:var(--blue-500);border-color:var(--blue-500);color:#fff}
.page-ellipsis{color:var(--faint);padding:0 .2rem}

/* ---------- Coming soon / forbidden ------------------------------------ */
.coming-soon-panel{max-width:640px;margin:3rem auto;text-align:center;padding:3rem 2rem}
.coming-icon{width:72px;height:72px;border-radius:20px;display:grid;place-items:center;margin:0 auto 1.25rem;background:var(--blue-50);color:var(--blue-600)}
.coming-icon .icon{width:34px;height:34px}
.coming-icon.danger{background:var(--danger-bg);color:var(--danger)}
.coming-soon-panel .btn{margin-top:1rem}

/* =====================================================================
   COMPREHENSIVE RESPONSIVE DESIGN (DESKTOP -> LAPTOP -> TABLET -> MOBILE)
   ===================================================================== */

/* ---------- Widescreen & Laptop (1280px - 1440px - 1920px+) ----------- */
@media (min-width:1440px){
  .stat-grid{grid-template-columns:repeat(6,1fr)}
  .admin-main{padding:2rem 2.5rem}
}

@media (max-width:1200px){
  .stat-grid{grid-template-columns:repeat(3,1fr)}
}

/* ---------- Tablets & Small Laptops (769px - 1024px) ------------------- */
@media (max-width:1024px){
  .admin-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);z-index:50;transform:translateX(-105%);transition:transform .25s cubic-bezier(.2,0,0,1);box-shadow:0 0 40px rgba(0,0,0,.4)}
  body.sidebar-open .sidebar{transform:none}
  body.sidebar-open::after{content:"";position:fixed;inset:0;background:rgba(6,15,39,.55);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:40}
  .topbar-burger{display:inline-grid}
  .dash-grid{grid-template-columns:1fr}
  .dash-header-wrap{flex-direction:column;align-items:stretch}
}

/* ---------- Mobile Phones & Portrait Tablets (<= 768px) --------------- */
@media (max-width:768px){
  .admin-main{padding:1rem;gap:1.25rem}
  .topbar{padding:0 1rem;height:58px}
  .topbar-title{font-size:1.05rem}
  .user-meta{display:none}

  /* Form inputs: enforce 16px to prevent iOS Safari auto-zoom */
  .field input[type=email],.field input[type=password],.field input[type=text],
  .field input[type=tel],.field input[type=date],.field input[type=number],
  .field select,.field textarea,.input,.form-input{font-size:16px}

  /* Inline 2-column & 3-column grids collapse to 1 column */
  div[style*="grid-template-columns:2fr"],
  div[style*="grid-template-columns:1.8fr"],
  div[style*="grid-template-columns:1.6fr"],
  div[style*="grid-template-columns:1.5fr"],
  div[style*="grid-template-columns:1.4fr"],
  div[style*="grid-template-columns:1.2fr"],
  div[style*="grid-template-columns:3fr"],
  div[style*="grid-template-columns:1fr 2fr"],
  div[style*="grid-template-columns:minmax"]{
    grid-template-columns:1fr !important;
    gap:1.15rem !important;
  }

  /* ===================================================================
     MOBILE TABLE TRANSFORMATION (Zero horizontal scrolling on phones)
     Standard .table becomes stacked cards with bold labels on the left.
     Tables with .table-scroll remain scrollable with momentum touch.
     =================================================================== */
  .table:not(.table-scroll){
    display:block;
    width:100%;
    min-width:0 !important;
    border:0;
  }
  .table:not(.table-scroll) thead{
    position:absolute;
    width:1px;
    height:1px;
    padding:0;
    margin:-1px;
    overflow:hidden;
    clip:rect(0,0,0,0);
    white-space:nowrap;
    border:0;
  }
  .table:not(.table-scroll) tbody{
    display:flex;
    flex-direction:column;
    gap:.9rem;
    padding:.85rem;
    background:var(--bg);
  }
  .table:not(.table-scroll) tbody tr{
    display:block;
    background:#ffffff;
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:1rem 1.15rem;
    box-shadow:var(--shadow-sm);
    transition:box-shadow .2s;
  }
  .table:not(.table-scroll) tbody tr:hover{
    background:#ffffff;
    box-shadow:var(--shadow-md);
  }
  .table:not(.table-scroll) tbody td{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:.5rem 0;
    border-bottom:1px solid var(--border-light);
    font-size:.88rem;
    text-align:right;
    white-space:normal;
    word-break:break-word;
  }
  .table:not(.table-scroll) tbody td::before{
    content:attr(data-label);
    font-weight:700;
    font-size:.72rem;
    color:var(--muted);
    text-transform:uppercase;
    letter-spacing:.04em;
    text-align:left;
    margin-right:.85rem;
    flex-shrink:0;
  }
  .table:not(.table-scroll) tbody td:empty{
    display:none;
  }
  .table:not(.table-scroll) tbody td[data-label=""]::before{
    display:none;
  }
  /* Action column (last cell) */
  .table:not(.table-scroll) tbody td:last-child{
    border-bottom:0;
    padding-bottom:0;
    padding-top:.85rem;
    margin-top:.4rem;
    border-top:1px dashed var(--border);
    display:flex;
    justify-content:flex-end;
    align-items:center;
    gap:.5rem;
    flex-wrap:wrap;
  }
  .table:not(.table-scroll) tbody td:last-child::before{
    display:none;
  }
  .table:not(.table-scroll) tbody td:last-child .btn{
    min-height:38px;
    padding:.45rem .85rem;
    font-size:.82rem;
  }
  /* Empty table state handling */
  .table:not(.table-scroll) tbody tr:only-child td[colspan],
  .table:not(.table-scroll) tbody td.table-empty{
    display:block !important;
    text-align:center !important;
    padding:2rem 1rem !important;
    border:0 !important;
  }
  .table:not(.table-scroll) tbody tr:only-child td[colspan]::before,
  .table:not(.table-scroll) tbody td.table-empty::before{
    display:none !important;
  }

  /* Modals on small screens: full width, scrollable, clean dismissal */
  dialog{
    width:95% !important;
    max-width:540px !important;
    border-radius:16px !important;
    max-height:90vh !important;
    overflow-y:auto !important;
  }
  div[id$="-modal"] > div{
    width:95% !important;
    max-width:540px !important;
    max-height:90vh !important;
    overflow-y:auto !important;
    border-radius:16px !important;
  }

  /* Multi-column layout grids collapse on tablets & mobile */
  div[style*="grid-template-columns:2fr 1fr"],
  div[style*="grid-template-columns:2fr 1.1fr"],
  div[style*="grid-template-columns:1.8fr 1.2fr"],
  div[style*="grid-template-columns:1.6fr 1.1fr"],
  div[style*="grid-template-columns:1.5fr 1fr"],
  div[style*="grid-template-columns:1.4fr 1fr"],
  div[style*="grid-template-columns:1.2fr 1fr"],
  div[style*="grid-template-columns:1fr 2fr"],
  div[style*="grid-template-columns:3fr 1fr"],
  div[style*="grid-template-columns:minmax"],
  div[style*="grid-template-columns: 2fr 1fr"],
  div[style*="grid-template-columns: 2fr 1.1fr"],
  div[style*="grid-template-columns: 1.8fr 1.2fr"],
  div[style*="grid-template-columns: 1.6fr 1.1fr"],
  div[style*="grid-template-columns: 1.5fr 1fr"],
  div[style*="grid-template-columns: 1.4fr 1fr"],
  div[style*="grid-template-columns: 1.2fr 1fr"],
  div[style*="grid-template-columns: 1fr 2fr"],
  div[style*="grid-template-columns: 3fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }
}

/* ---------- Smartphones (<= 640px: iPhone 375-430px, Android 360-412px) - */
@media (max-width:640px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  
  /* Filter forms stack into full width on phones */
  form[action*="/admin/"]{
    flex-direction:column !important;
    align-items:stretch !important;
  }
  form[action*="/admin/"] > div{
    min-width:100% !important;
    width:100% !important;
    flex:1 1 100% !important;
  }
  form[action*="/admin/"] button[type="submit"],
  form[action*="/admin/"] a.btn{
    min-height:44px;
    justify-content:center;
    flex:1;
  }

  /* 2-column inline forms collapse to single column */
  div[style*="grid-template-columns:1fr 1fr"],
  div[style*="grid-template-columns:1fr 1fr 1fr"],
  div[style*="grid-template-columns:2fr 1fr 1fr"],
  div[style*="grid-template-columns:1.5fr 1fr 1fr"]{
    grid-template-columns:1fr !important;
    gap:1rem !important;
  }

  /* Touch-friendly buttons on phones */
  .btn{min-height:44px}
  .page-header{flex-direction:column;align-items:flex-start}
  .page-header .actions{width:100%}
  .page-header .actions .btn{width:100%;justify-content:center}
}

/* ---------- Compact Phones (<= 400px: iPhone SE, Galaxy A-series) ----- */
@media (max-width:400px){
  .stat-grid{grid-template-columns:1fr}
  .table:not(.table-scroll) tbody td:last-child .btn{
    width:100%;
    justify-content:center;
  }
}

/* =====================================================================
   UTILITY CLASSES (Supports dark reports, audit logs & modern pages)
   ===================================================================== */
.w-full{width:100%}
.space-y-4 > * + *{margin-top:1rem}
.space-y-6 > * + *{margin-top:1.5rem}
.flex{display:flex}
.flex-col{flex-direction:column}
.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}
.items-start{align-items:flex-start}
.justify-between{justify-content:space-between}
.justify-center{justify-content:center}
.gap-1{gap:.25rem}
.gap-2{gap:.5rem}
.gap-3{gap:.75rem}
.gap-4{gap:1rem}
.grid{display:grid}
.grid-cols-1{grid-template-columns:repeat(1,1fr)}
.grid-cols-2{grid-template-columns:repeat(2,1fr)}
.grid-cols-3{grid-template-columns:repeat(3,1fr)}
.grid-cols-4{grid-template-columns:repeat(4,1fr)}
.grid-cols-5{grid-template-columns:repeat(5,1fr)}
.col-span-1{grid-column:span 1 / span 1}
.col-span-2{grid-column:span 2 / span 2}

@media (min-width:768px){
  .md\:flex-row{flex-direction:row}
  .md\:items-center{align-items:center}
  .md\:justify-between{justify-content:space-between}
  .md\:grid-cols-2{grid-template-columns:repeat(2,1fr)}
  .md\:grid-cols-3{grid-template-columns:repeat(3,1fr)}
  .md\:grid-cols-4{grid-template-columns:repeat(4,1fr)}
  .md\:grid-cols-5{grid-template-columns:repeat(5,1fr)}
  .md\:col-span-1{grid-column:span 1 / span 1}
}
@media (min-width:1024px){
  .lg\:grid-cols-4{grid-template-columns:repeat(4,1fr)}
  .lg\:grid-cols-5{grid-template-columns:repeat(5,1fr)}
}