@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #f5f6fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9ff;
  --glass-border: #e5e7eb;
  --primary: #4f46e5;
  --primary-light: #6366f1;
  --primary-dark: #3730a3;
  --accent: #0ea5e9;
  --accent-light: #38bdf8;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #2563eb;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --transition: all 0.2s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:#9ca3af}

/* ── Layout ── */
.app-layout{display:flex;min-height:100vh;position:relative;z-index:1}
.main-content{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh;min-width:0;transition:margin-left 0.3s ease}
.page-content{padding:1.75rem;flex:1;max-width:1280px;width:100%;margin-left:auto;margin-right:auto}

/* Sidebar collapsed state (desktop) */
body.sidebar-collapsed .sidebar { transform: translateX(-100%); }
body.sidebar-collapsed .main-content { margin-left: 0; width: 100%; }

/* Prevent body scroll when mobile sidebar is open */
body.sidebar-open { overflow: hidden; }
.sidebar-overlay { 
    position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); 
    z-index: 190; opacity: 0; visibility: hidden; transition: all 0.3s ease; 
}
.sidebar-overlay.show { opacity: 1; visibility: visible; }

/* ── Sidebar ── */
.sidebar{position:fixed;left:0;top:0;height:100vh;width:var(--sidebar-width);background:#ffffff;border-right:1px solid var(--glass-border);z-index:200;display:flex;flex-direction:column;transition:transform 0.3s ease, box-shadow 0.3s ease;box-shadow:2px 0 8px rgba(0,0,0,0.04)}
.sidebar-logo{padding:1.25rem 1.5rem;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--glass-border)}
.sidebar-logo .logo-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:#fff;flex-shrink:0}
.sidebar-logo .logo-text{font-size:1.15rem;font-weight:800;color:var(--primary)}
.sidebar-logo .logo-sub{font-size:0.62rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:1px}
.sidebar-nav{flex:1;overflow-y:auto;padding:0.75rem 0}
.nav-section-label{padding:0.5rem 1.5rem;font-size:0.62rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted)}
.nav-item{display:flex;align-items:center;gap:10px;padding:0.625rem 1.5rem;color:var(--text-secondary);font-size:0.875rem;font-weight:500;transition:var(--transition);border-left:3px solid transparent;position:relative;margin:1px 0}
.nav-item:hover{color:var(--primary);background:#eef2ff;border-left-color:var(--primary)}
.nav-item.active{color:var(--primary);background:#eef2ff;border-left-color:var(--primary);font-weight:600}
.nav-item i{width:18px;text-align:center;font-size:0.95rem}
.sidebar-footer{padding:1rem 1.5rem;border-top:1px solid var(--glass-border)}
.user-card{display:flex;align-items:center;gap:10px;padding:0.625rem;border-radius:var(--radius-sm);background:var(--bg-primary);transition:var(--transition)}
.user-card:hover{background:#e0e7ff}
.user-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:0.8rem;font-weight:700;color:#fff;flex-shrink:0}
.user-info{flex:1;min-width:0}
.user-info .name{font-size:0.8rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}
.user-info .role{font-size:0.62rem;color:var(--text-muted);text-transform:capitalize}
.logout-btn{color:var(--text-muted);font-size:0.9rem;padding:4px;border-radius:4px;transition:var(--transition)}
.logout-btn:hover{color:var(--danger)}

/* ── Top Header ── */
.top-header{height:var(--header-height);background:#ffffff;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between;padding:0 1.75rem;position:sticky;top:0;z-index:50;box-shadow:0 1px 4px rgba(0,0,0,0.04)}
.header-left{display:flex;align-items:center;gap:1rem}
.page-title{font-size:1.1rem;font-weight:700;color:var(--text-primary)}
.page-breadcrumb{font-size:0.8rem;color:var(--text-muted)}
.header-right{display:flex;align-items:center;gap:0.75rem}
.header-btn{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--bg-primary);border:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:0.9rem;transition:var(--transition)}
.header-btn:hover{color:var(--primary);border-color:var(--primary);background:#eef2ff}
.notification-dot{position:relative}
.notification-dot::after{content:'';position:absolute;top:7px;right:7px;width:7px;height:7px;background:var(--danger);border-radius:50%;border:2px solid #fff}

/* ── Cards ── */
.glass-card{background:#ffffff;border:1px solid var(--glass-border);border-radius:var(--radius);transition:var(--transition);box-shadow:var(--shadow-sm)}
.glass-card:hover{border-color:#c7d2fe;box-shadow:var(--shadow)}
.card-body{padding:1.25rem}
.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:0.95rem;font-weight:700;display:flex;align-items:center;gap:8px}

/* ── Stats Cards ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:#ffffff;border:1px solid var(--glass-border);border-radius:var(--radius);padding:1.25rem;display:flex;align-items:center;gap:1rem;transition:var(--transition);box-shadow:var(--shadow-sm)}
.stat-card:hover{border-color:#c7d2fe;box-shadow:var(--shadow);transform:translateY(-2px)}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0}
.stat-icon.purple{background:#ede9fe;color:#7c3aed}
.stat-icon.cyan{background:#e0f2fe;color:#0284c7}
.stat-icon.green{background:#d1fae5;color:#059669}
.stat-icon.amber{background:#fef3c7;color:#d97706}
.stat-icon.red{background:#fee2e2;color:#dc2626}
.stat-icon.blue{background:#dbeafe;color:#2563eb}
.stat-info{flex:1}
.stat-value{font-size:1.6rem;font-weight:800;line-height:1;color:var(--text-primary)}
.stat-label{font-size:0.75rem;color:var(--text-muted);margin-top:4px;font-weight:500}
.stat-change{font-size:0.72rem;font-weight:500;margin-top:6px}
.stat-change.up{color:var(--success)}
.stat-change.down{color:var(--danger)}

/* ── Grid ── */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}

/* ── Tables ── */
.table-wrapper{overflow-x:auto;border-radius:var(--radius)}
table{width:100%;border-collapse:collapse}
thead th{padding:0.75rem 1rem;text-align:left;font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;color:var(--text-muted);background:#f9fafb;border-bottom:1px solid var(--glass-border)}
tbody td{padding:0.75rem 1rem;font-size:0.875rem;border-bottom:1px solid #f3f4f6;vertical-align:middle;color:var(--text-primary)}
tbody tr:hover{background:#fafbff}
tbody tr:last-child td{border-bottom:none}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:0.2rem 0.55rem;border-radius:100px;font-size:0.68rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}
.badge-success{background:#d1fae5;color:#065f46}
.badge-danger{background:#fee2e2;color:#991b1b}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-info{background:#dbeafe;color:#1e40af}
.badge-primary{background:#ede9fe;color:#5b21b6}
.badge-secondary{background:#f3f4f6;color:#4b5563}

.table-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;white-space:nowrap}
thead tr{background:#f9fafb;border-bottom:1px solid var(--glass-border)}
th{text-align:left;padding:0.875rem 1rem;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;color:var(--text-muted)}
td{padding:1rem;border-bottom:1px solid var(--glass-border);font-size:0.875rem;color:var(--text-primary)}
tr:last-child td{border-bottom:none}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0.55rem 1.1rem;border-radius:var(--radius-sm);font-size:0.875rem;font-weight:600;border:none;transition:var(--transition);white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(79,70,229,0.25)}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 4px 12px rgba(79,70,229,0.35);transform:translateY(-1px)}
.btn-outline{background:transparent;border:1px solid var(--glass-border);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:#eef2ff}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#b91c1c;transform:translateY(-1px)}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#047857;transform:translateY(-1px)}
.btn-sm{padding:0.35rem 0.75rem;font-size:0.8rem}
.btn-icon{width:32px;height:32px;padding:0;border-radius:var(--radius-sm)}
.btn-group{display:flex;gap:0.5rem;align-items:center}

/* ── Forms ── */
.form-group{margin-bottom:1.1rem}
.form-label{display:block;margin-bottom:5px;font-size:0.78rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.5px}
.form-control{width:100%;padding:0.625rem 0.875rem;background:#ffffff;border:1.5px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.875rem;transition:var(--transition)}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,0.12)}
.form-control::placeholder{color:var(--text-muted)}
select.form-control option{background:#ffffff;color:var(--text-primary)}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.form-error{font-size:0.78rem;color:var(--danger);margin-top:4px}

/* ── Alerts ── */
.alert{padding:0.875rem 1rem;border-radius:var(--radius-sm);font-size:0.875rem;display:flex;align-items:flex-start;gap:10px;margin-bottom:1rem}
.alert-success{background:#d1fae5;border:1px solid #6ee7b7;color:#065f46}
.alert-danger{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b}
.alert-warning{background:#fef3c7;border:1px solid #fcd34d;color:#92400e}
.alert-info{background:#dbeafe;border:1px solid #93c5fd;color:#1e40af}
.alert-error{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b}

/* ── Progress bars ── */
.progress{height:7px;background:#f3f4f6;border-radius:4px;overflow:hidden}
.progress-bar{height:100%;border-radius:4px;transition:width 1s ease}
.progress-bar.success{background:linear-gradient(90deg,var(--success),#34d399)}
.progress-bar.warning{background:linear-gradient(90deg,var(--warning),#fbbf24)}
.progress-bar.danger{background:linear-gradient(90deg,var(--danger),#f87171)}
.progress-bar.primary{background:linear-gradient(90deg,var(--primary),var(--accent))}

/* ── Announcement card ── */
.announcement-item{padding:1rem 1.25rem;border-radius:var(--radius-sm);background:#f9fafb;border:1px solid var(--glass-border);margin-bottom:0.625rem;transition:var(--transition)}
.announcement-item:hover{background:#fafbff;border-color:#c7d2fe}
.announcement-item.urgent{border-left:3px solid var(--danger)}
.announcement-item.high{border-left:3px solid var(--warning)}
.announcement-item.normal{border-left:3px solid var(--info)}
.announcement-item.low{border-left:3px solid var(--text-muted)}
.announcement-title{font-weight:600;font-size:0.875rem;margin-bottom:4px;color:var(--text-primary)}
.announcement-meta{font-size:0.72rem;color:var(--text-muted);display:flex;gap:1rem;align-items:center;margin-bottom:6px}
.announcement-content{font-size:0.82rem;color:var(--text-secondary);line-height:1.5}

/* ── Avatar ── */
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:0.85rem;font-weight:700;color:#fff;flex-shrink:0}
.avatar-sm{width:30px;height:30px;font-size:0.72rem}
.avatar-lg{width:56px;height:56px;font-size:1.4rem}
.avatar-xl{width:72px;height:72px;font-size:1.6rem}

/* ── Grades ── */
.grade-aplus,.grade-a{color:var(--success);font-weight:700}
.grade-b{color:var(--info);font-weight:700}
.grade-c{color:var(--warning);font-weight:700}
.grade-d{color:var(--danger);font-weight:700}
.grade-f{color:var(--danger);font-weight:700;animation:pulse 1s infinite}

/* ── Modal ── */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.35);backdrop-filter:blur(4px);z-index:1000;align-items:center;justify-content:center}
.modal-overlay.active{display:flex}
.modal{background:#ffffff;border:1px solid var(--glass-border);border-radius:var(--radius);padding:0;width:90%;max-width:560px;max-height:90vh;overflow-y:auto;animation:modalIn 0.25s ease;box-shadow:0 20px 60px rgba(0,0,0,0.12)}
.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between;background:#f9fafb}
.modal-title{font-size:1rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}
.modal-body{padding:1.25rem 1.5rem}
.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--glass-border);display:flex;justify-content:flex-end;gap:0.75rem;background:#f9fafb}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.1rem;padding:4px;transition:var(--transition)}
.modal-close:hover{color:var(--danger)}

/* ── Animations ── */
@keyframes modalIn{from{opacity:0;transform:scale(0.96) translateY(-12px)}to{opacity:1;transform:scale(1) translateY(0)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
@keyframes spin{to{transform:rotate(360deg)}}
.fade-in{animation:fadeIn 0.35s ease both}
.fade-in-delay-1{animation-delay:0.08s}
.fade-in-delay-2{animation-delay:0.16s}
.fade-in-delay-3{animation-delay:0.24s}

/* ── Attendance status ── */
.status-present{color:var(--success)}
.status-absent{color:var(--danger)}
.status-late{color:var(--warning)}

/* ── Empty state ── */
.empty-state{text-align:center;padding:2.5rem 1rem;color:var(--text-muted)}
.empty-state i{font-size:2.5rem;margin-bottom:0.75rem;opacity:0.35;display:block}
.empty-state p{font-size:0.875rem}

/* ── Timetable ── */
.timetable-day{margin-bottom:1rem}
.timetable-day-label{font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:0.5rem}
.timetable-slot{display:flex;align-items:center;gap:1rem;padding:0.625rem 0.875rem;background:#f9fafb;border-radius:var(--radius-sm);border:1px solid var(--glass-border);margin-bottom:0.375rem}
.timetable-time{font-size:0.72rem;color:var(--text-muted);white-space:nowrap;min-width:110px}
.timetable-subject{font-size:0.875rem;font-weight:600;color:var(--text-primary)}
.timetable-room{font-size:0.72rem;color:var(--text-muted)}

/* ── Login page ── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,#eef2ff 0%,#f0f9ff 100%)}
.login-card{background:#ffffff;border:1px solid var(--glass-border);border-radius:16px;padding:2.5rem;width:100%;max-width:440px;box-shadow:0 8px 40px rgba(0,0,0,0.08)}
.login-logo{text-align:center;margin-bottom:1.75rem}
.login-logo .icon{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.75rem;color:#fff;margin:0 auto 0.875rem}
.login-logo h1{font-size:1.6rem;font-weight:800;color:var(--primary)}
.login-logo p{color:var(--text-muted);font-size:0.875rem;margin-top:4px}
.login-tabs{display:flex;gap:0;border-radius:var(--radius-sm);overflow:hidden;background:#f3f4f6;margin-bottom:1.75rem;border:1px solid var(--glass-border)}
.login-tab{flex:1;padding:0.55rem;text-align:center;font-size:0.8rem;font-weight:600;cursor:pointer;transition:var(--transition);color:var(--text-muted)}
.login-tab.active{background:var(--primary);color:#fff}
.demo-credentials{background:#eef2ff;border:1px solid #c7d2fe;border-radius:var(--radius-sm);padding:0.875rem 1rem;margin-bottom:1.5rem;font-size:0.8rem}
.demo-credentials h4{font-size:0.72rem;text-transform:uppercase;letter-spacing:1px;color:var(--primary);margin-bottom:0.5rem}
.demo-credentials p{color:var(--text-secondary);margin-bottom:2px}
.demo-credentials code{color:var(--primary-dark);font-size:0.8rem;background:#e0e7ff;padding:1px 4px;border-radius:3px}

/* ── Card List View (Mobile Alternative to Tables) ── */
.mobile-card-list { display: none; flex-direction: column; gap: 0.75rem; }
.mobile-fee-card {
    background: #fff; border: 1.5px solid var(--glass-border); border-radius: 12px;
    padding: 1rem; position: relative; transition: var(--transition);
}
.mobile-fee-card:hover { border-color: var(--primary-light); transform: translateY(-2px); }
.mobile-fee-card .fee-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.75rem; }
.mobile-fee-card .fee-title { font-weight: 700; font-size: 0.9rem; color: var(--text-primary); }
.mobile-fee-card .fee-details { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; font-size: 0.78rem; margin-bottom: 0.875rem; }
.mobile-fee-card .fee-label { color: var(--text-muted); font-weight: 500; display: block; }
.mobile-fee-card .fee-value { color: var(--text-secondary); font-weight: 600; display: block; }
.mobile-fee-card .fee-footer { display: flex; align-items: center; justify-content: space-between; border-top: 1px dashed var(--glass-border); padding-top: 0.75rem; }
.mobile-fee-card .fee-amount { font-size: 1.1rem; font-weight: 800; color: var(--primary); }

@media(max-width: 768px) {
    .desktop-only-table { display: none !important; }
    .mobile-card-list { display: flex; }
}


/* ── Responsive — Tablet ── */
@media(max-width:1024px){
  :root { --sidebar-width: 240px; }
  .form-row{grid-template-columns:1fr}
  .grid-2, .grid-3{grid-template-columns:1fr}
  .page-content{padding:1.25rem;max-width:100%}
  .main-content{margin-left:var(--sidebar-width); width: calc(100% - var(--sidebar-width));}
}

/* ── Responsive — Mobile ── */
@media(max-width:768px){

  /* Sidebar: slide-in drawer */
  .sidebar{
    transform:translateX(-100%);
    box-shadow:none;
    z-index:200;
    width:min(280px,85vw);
  }
  .sidebar.open{
    transform:translateX(0);
    box-shadow:4px 0 24px rgba(0,0,0,0.12);
  }

  /* Nav items — bigger tap targets */
  .nav-item{padding:0.8rem 1.5rem;font-size:.88rem}
  .nav-item i{font-size:1rem;width:20px}

  /* Main content full-width */
  .main-content{margin-left:0; width: 100%; min-width: 100%;}

  /* Header */
  .top-header{padding:0 0.75rem; height: 60px;}
  .header-left{gap: 0.5rem;}
  .page-title{font-size:0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px;}
  .page-breadcrumb{display:none}
  .header-btn{width: 34px; height: 34px;}

  /* Page content */
  .page-content{padding:0.875rem;max-width:100%}

  /* Stats grid */
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}
  @media(max-width:480px){ .stats-grid{grid-template-columns:1fr} }
  .stat-card{padding:.75rem; gap: 0.75rem;}
  .stat-icon{width: 40px; height: 40px; font-size: 1.1rem;}
  .stat-value{font-size:1.25rem}
  .grid-3{grid-template-columns:1fr}

  /* Cards */
  .glass-card{border-radius:10px}
  .card-header{padding:.75rem 1rem;flex-wrap:wrap;gap:.5rem}
  .card-header .btn-group{width:100%;justify-content:flex-end}

  /* Tables: horizontal scroll */
  .table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px}
  table{min-width:560px;font-size:.82rem}
  thead th{padding:.45rem .6rem;font-size:.66rem}
  tbody td{padding:.55rem .6rem}

  /* Filter bar: stack vertically */
  .filter-bar{flex-direction:column;align-items:stretch}
  .filter-group{min-width:100%!important;width:100%}
  .filter-group select,.filter-group input{width:100%}
  .filter-group .icon-input-wrap{width:100%}
  .filter-group[style*="visibility:hidden"]{display:none}

  /* Filter action buttons full-width */
  .filter-bar>div:last-child>div,
  .filter-group>div[style*="display:flex"]{width:100%;gap:.5rem}
  .filter-bar .btn{flex:1;justify-content:center}

  /* Modals */
  .modal-overlay{align-items:flex-end;padding:0}
  .modal{
    border-radius:16px 16px 0 0;
    max-width:100%!important;
    width:100%;
    max-height:90vh;
    overflow-y:auto;
    animation:slideUp .3s ease;
  }
  @keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}

  /* Tab bar scroll */
  .tab-bar{overflow-x:auto;width:100%;-webkit-overflow-scrolling:touch}
  .tab-btn{white-space:nowrap;font-size:.8rem;padding:.4rem .85rem}

  /* Btn group on mobile */
  .btn-group{flex-wrap:wrap;gap:.4rem}
  .btn-sm{padding:.35rem .75rem;font-size:.78rem}

  /* Form */
  .form-row{grid-template-columns:1fr}
  .modal-body{padding:.875rem 1rem}
  .modal-footer{padding:.75rem 1rem;gap:.5rem}
  .modal-footer .btn{flex:1}

  /* Login card */
  .login-card{padding:1.5rem 1.25rem}
  .login-logo h1{font-size:1.35rem}

  /* Fee records card header */
  .card-header form[style*="flex"]{flex-wrap:wrap}
  .card-header form[style*="flex"] input[name="fsearch"]{width:100%!important;order:-1}
}

/* ── Responsive — Small mobile ── */
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .stat-card{flex-direction:row;gap:.75rem}
  .stat-icon{width:40px;height:40px;font-size:1rem;flex-shrink:0}
  .stat-value{font-size:1.2rem}
  .page-title{font-size:.9rem}
  .btn-group{width:100%}
  .btn-group .btn{flex:1;text-align:center;justify-content:center}
}