/* ============================================================
   SHUTTLR — Design System  |  Badminton Academy SaaS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --primary: #0F7B4C; --primary-dark: #095C38; --primary-light: #E6F5EE; --primary-mid: #1DA066;
  --accent: #F4A015; --accent-light: #FEF3DC;
  --danger: #D63B3B; --danger-light: #FCEAEA;
  --warning: #E07B12; --warning-light: #FEF0DC;
  --info: #1B6FD4; --info-light: #E6F0FC;
  --bg: #F3F5F0; --surface: #FFFFFF; --surface-2: #F8FAF6;
  --border: rgba(0,0,0,0.08); --border-strong: rgba(0,0,0,0.15);
  --text-1: #0D1F16; --text-2: #3D5246; --text-3: #7A9087; --text-inv: #FFFFFF;
  --sidebar-w: 260px; --header-h: 64px;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06); --shadow-md: 0 4px 12px rgba(0,0,0,0.08); --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
  --font-display: 'Plus Jakarta Sans', sans-serif; --font-body: 'Inter', sans-serif;
  --transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-body);background:var(--bg);color:var(--text-1);line-height:1.6;min-height:100vh}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul{list-style:none}
button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}

/* Layout */
.app-shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;grid-template-rows:var(--header-h) 1fr;min-height:100vh}

/* Sidebar */
.sidebar{grid-row:1/-1;background:var(--text-1);color:var(--text-inv);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;z-index:100;scrollbar-width:none}
.sidebar::-webkit-scrollbar{display:none}
.sidebar-logo{padding:20px 24px;border-bottom:1px solid rgba(255,255,255,0.07);display:flex;align-items:center;gap:12px;min-height:var(--header-h)}
.logo-mark{width:36px;height:36px;background:var(--primary-mid);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:18px;color:white;flex-shrink:0}
.logo-text{font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-0.3px}
.logo-sub{font-size:10px;color:rgba(255,255,255,0.35);letter-spacing:1.5px;text-transform:uppercase;font-weight:500;margin-top:1px}
.sidebar-academy{margin:16px 12px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-md);padding:12px 14px;display:flex;align-items:center;gap:10px}
.academy-avatar{width:34px;height:34px;border-radius:var(--radius-sm);background:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
.academy-name{font-size:13px;font-weight:600;line-height:1.3}
.academy-role{font-size:11px;color:rgba(255,255,255,0.45);text-transform:uppercase;letter-spacing:0.8px}
.sidebar-nav{flex:1;padding:8px 0}
.nav-section{padding:16px 20px 6px;font-size:10px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:rgba(255,255,255,0.28)}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px 10px 20px;margin:2px 8px;border-radius:var(--radius-md);font-size:14px;font-weight:500;color:rgba(255,255,255,0.65);cursor:pointer;transition:var(--transition);position:relative}
.nav-item:hover{background:rgba(255,255,255,0.06);color:rgba(255,255,255,0.9)}
.nav-item.active{background:var(--primary);color:white}
.nav-icon{width:18px;height:18px;opacity:0.7;flex-shrink:0}
.nav-item.active .nav-icon{opacity:1}
.nav-badge{margin-left:auto;background:var(--accent);color:var(--text-1);font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px}
.sidebar-footer{padding:16px 12px;border-top:1px solid rgba(255,255,255,0.07)}
.user-card{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition)}
.user-card:hover{background:rgba(255,255,255,0.06)}
.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;flex-shrink:0}
.user-name{font-size:13px;font-weight:600}
.user-email{font-size:11px;color:rgba(255,255,255,0.4)}

/* Header */
.app-header{background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 32px;gap:16px;position:sticky;top:0;z-index:50;height:var(--header-h)}
.header-title{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text-1);flex:1}
.header-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:8px 14px;width:260px}
.header-search input{background:none;border:none;outline:none;font-size:14px;color:var(--text-1);width:100%}
.header-search input::placeholder{color:var(--text-3)}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-btn{width:38px;height:38px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);color:var(--text-2)}
.icon-btn:hover{background:var(--bg);border-color:var(--border-strong)}
.notif-dot{position:relative}
.notif-dot::after{content:'';position:absolute;top:6px;right:6px;width:7px;height:7px;background:var(--danger);border-radius:50%;border:1.5px solid var(--surface)}
.mobile-menu-btn{display:none;width:38px;height:38px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);align-items:center;justify-content:center;cursor:pointer;color:var(--text-2)}

/* Page */
.page-content{padding:28px 32px;max-width:1400px;overflow-x:hidden}
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:28px;gap:16px}
.page-eyebrow{font-size:12px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--primary);margin-bottom:4px}
.page-title{font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--text-1);line-height:1.2}
.page-subtitle{font-size:14px;color:var(--text-3);margin-top:4px}
.page-header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-md);font-size:14px;font-weight:600;border:1.5px solid transparent;transition:var(--transition);white-space:nowrap;line-height:1}
.btn-primary{background:var(--primary);color:white;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn-secondary{background:var(--surface);color:var(--text-1);border-color:var(--border-strong)}
.btn-secondary:hover{background:var(--bg)}
.btn-accent{background:var(--accent);color:var(--text-1);border-color:var(--accent)}
.btn-danger{background:var(--danger);color:white;border-color:var(--danger)}
.btn-ghost{background:transparent;color:var(--text-2);border-color:transparent}
.btn-ghost:hover{background:var(--bg)}
.btn-sm{padding:7px 13px;font-size:13px}
.btn-lg{padding:13px 24px;font-size:15px}
.btn-icon{width:38px;height:38px;padding:0;justify-content:center}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.card-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-title{font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--text-1)}
.card-body{padding:24px}
.card-footer{padding:14px 24px;border-top:1px solid var(--border);background:var(--surface-2);border-radius:0 0 var(--radius-lg) var(--radius-lg)}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.stat-card.green::before{background:var(--primary)} .stat-card.amber::before{background:var(--accent)}
.stat-card.blue::before{background:var(--info)} .stat-card.red::before{background:var(--danger)}
.stat-icon{width:42px;height:42px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.stat-icon.green{background:var(--primary-light);color:var(--primary)} .stat-icon.amber{background:var(--accent-light);color:var(--warning)}
.stat-icon.blue{background:var(--info-light);color:var(--info)} .stat-icon.red{background:var(--danger-light);color:var(--danger)}
.stat-value{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--text-1);line-height:1;margin-bottom:4px}
.stat-label{font-size:13px;color:var(--text-3);font-weight:500}
.stat-change{font-size:12px;font-weight:600;margin-top:8px;display:flex;align-items:center;gap:4px}
.stat-change.up{color:var(--primary)} .stat-change.down{color:var(--danger)}

/* Tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
thead th{background:var(--surface-2);padding:12px 16px;text-align:left;font-size:11px;font-weight:700;letter-spacing:0.8px;text-transform:uppercase;color:var(--text-3);border-bottom:1px solid var(--border);white-space:nowrap}
tbody td{padding:14px 16px;border-bottom:1px solid var(--border);color:var(--text-1);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--surface-2)}
.table-actions{display:flex;align-items:center;gap:6px}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:0.3px;white-space:nowrap}
.badge-green{background:var(--primary-light);color:var(--primary-dark)} .badge-amber{background:var(--accent-light);color:var(--warning)}
.badge-red{background:var(--danger-light);color:var(--danger)} .badge-blue{background:var(--info-light);color:var(--info)}
.badge-gray{background:var(--bg);color:var(--text-3);border:1px solid var(--border)}
.badge-dot::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* Forms */
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.form-label span{color:var(--danger);margin-left:2px}
.form-control{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-md);font-size:14px;color:var(--text-1);background:var(--surface);transition:var(--transition);outline:none}
.form-control:hover{border-color:var(--border-strong)}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,123,76,0.1)}
.form-control::placeholder{color:var(--text-3)}
select.form-control{cursor:pointer}
textarea.form-control{resize:vertical;min-height:90px}
.form-hint{font-size:12px;color:var(--text-3);margin-top:5px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;opacity:0;visibility:hidden;transition:var(--transition)}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;transform:translateY(20px);transition:var(--transition)}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-lg{max-width:800px}
.modal-header{padding:24px 28px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-family:var(--font-display);font-size:17px;font-weight:700}
.modal-close{width:32px;height:32px;border:none;background:var(--bg);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-3);font-size:18px;line-height:1;transition:var(--transition)}
.modal-close:hover{background:var(--danger-light);color:var(--danger)}
.modal-body{padding:24px 28px}
.modal-footer{padding:18px 28px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:flex-end;gap:10px;background:var(--surface-2);border-radius:0 0 var(--radius-xl) var(--radius-xl)}

/* Avatar */
.avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0;text-transform:uppercase}
.avatar-sm{width:30px;height:30px;font-size:11px} .avatar-lg{width:52px;height:52px;font-size:18px}
.avatar-xl{width:72px;height:72px;font-size:26px;border-radius:var(--radius-lg)}
.avatar-green{background:var(--primary-light);color:var(--primary-dark)} .avatar-amber{background:var(--accent-light);color:var(--warning)}
.avatar-blue{background:var(--info-light);color:var(--info)} .avatar-red{background:var(--danger-light);color:var(--danger)}

/* Tabs */
.tabs{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:var(--radius-md);border:1px solid var(--border);width:fit-content;margin-bottom:24px}
.tab-item{padding:8px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;color:var(--text-3);cursor:pointer;transition:var(--transition);white-space:nowrap}
.tab-item.active{background:var(--surface);color:var(--text-1);box-shadow:var(--shadow-sm)}
.tab-item:hover:not(.active){color:var(--text-2)}

/* Filter bar */
.filter-bar{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.filter-search{display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:9px 14px;flex:1;min-width:200px}
.filter-search input{background:none;border:none;outline:none;font-size:14px;color:var(--text-1);width:100%}
.filter-search input::placeholder{color:var(--text-3)}
.filter-select{padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius-md);background:var(--surface);font-size:14px;color:var(--text-2);outline:none;cursor:pointer}

/* Progress */
.progress-bar{height:8px;background:var(--bg);border-radius:20px;overflow:hidden}
.progress-fill{height:100%;background:var(--primary);border-radius:20px;transition:width 0.6s ease}
.progress-fill.amber{background:var(--accent)} .progress-fill.red{background:var(--danger)}

/* Empty state */
.empty-state{text-align:center;padding:60px 40px;color:var(--text-3)}
.empty-icon{width:64px;height:64px;background:var(--bg);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.empty-title{font-size:16px;font-weight:700;color:var(--text-2);margin-bottom:6px}
.empty-sub{font-size:14px;margin-bottom:20px}

/* Toast */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:2000;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--text-1);color:white;padding:14px 18px;border-radius:var(--radius-md);font-size:14px;font-weight:500;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-lg);animation:slideIn 0.3s ease;max-width:320px}
.toast.success{background:var(--primary)} .toast.error{background:var(--danger)} .toast.warning{background:var(--warning)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* Dropdown */
.dropdown-wrap{position:relative}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:180px;z-index:200;display:none;overflow:hidden}
.dropdown-menu.open{display:block}
.dropdown-item{padding:10px 16px;font-size:14px;color:var(--text-1);cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:10px}
.dropdown-item:hover{background:var(--surface-2)}
.dropdown-item.danger{color:var(--danger)} .dropdown-item.danger:hover{background:var(--danger-light)}
.dropdown-divider{height:1px;background:var(--border);margin:4px 0}

/* Activity */
.activity-feed{display:flex;flex-direction:column;gap:0}
.activity-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.activity-item:last-child{border-bottom:none}
.activity-dot{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px}
.activity-action{font-size:14px;color:var(--text-1)}
.activity-action strong{font-weight:600}
.activity-time{font-size:12px;color:var(--text-3);margin-top:2px}

/* Quick links */
.quick-links{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-link{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;text-align:center;cursor:pointer;transition:var(--transition)}
.quick-link:hover{border-color:var(--primary);background:var(--primary-light)}
.quick-link-icon{width:40px;height:40px;border-radius:var(--radius-md);margin:0 auto 10px;display:flex;align-items:center;justify-content:center;font-size:18px}
.quick-link-label{font-size:12px;font-weight:600;color:var(--text-2)}

/* Profile */
.profile-hero{background:var(--text-1);border-radius:var(--radius-lg);padding:32px;display:flex;align-items:center;gap:24px;margin-bottom:24px;color:white;position:relative;overflow:hidden}
.profile-hero::before{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(15,123,76,0.2);top:-100px;right:-80px}
.profile-info{flex:1;position:relative}
.profile-name{font-family:var(--font-display);font-size:20px;font-weight:700;margin-bottom:4px}
.profile-meta{font-size:14px;color:rgba(255,255,255,0.55)}
.profile-stats{display:flex;gap:32px;margin-top:20px}
.profile-stat-val{font-family:var(--font-display);font-size:20px;font-weight:700}
.profile-stat-lbl{font-size:12px;color:rgba(255,255,255,0.45)}

/* Fee summary */
.fee-summary-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}
.fee-summary-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;text-align:center}
.fee-amount{font-family:var(--font-display);font-size:24px;font-weight:700;margin-bottom:4px}
.fee-amount.green{color:var(--primary)} .fee-amount.red{color:var(--danger)} .fee-amount.amber{color:var(--warning)}

/* Schedule */
.sched-event{background:var(--primary-light);border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:6px 8px;font-size:11px;font-weight:600;color:var(--primary-dark);margin-bottom:2px;cursor:pointer}
.sched-event.amber{background:var(--accent-light);border-color:var(--accent);color:var(--warning)}
.sched-event.blue{background:var(--info-light);border-color:var(--info);color:var(--info)}

/* Bracket */
.bracket-match{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);min-width:180px}
.bracket-team{padding:8px 12px;font-size:13px;font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:8px}
.bracket-team:first-child{border-bottom:1px solid var(--border)}
.bracket-team.winner{background:var(--primary-light);font-weight:700;color:var(--primary-dark)}
.bracket-score{font-weight:700;font-size:14px;min-width:24px;text-align:center}

/* Login */
.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.login-brand{background:var(--text-1);display:flex;flex-direction:column;justify-content:center;padding:60px;position:relative;overflow:hidden}
.login-brand::before{content:'';position:absolute;width:400px;height:400px;border-radius:50%;background:rgba(15,123,76,0.15);top:-100px;right:-100px}
.login-brand::after{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(244,160,21,0.1);bottom:-80px;left:-80px}
.login-brand-content{position:relative;z-index:1}
.login-brand h1{font-family:var(--font-display);font-size:40px;font-weight:700;color:white;line-height:1.1;margin-bottom:16px}
.login-brand h1 span{color:var(--primary-mid)}
.login-brand p{font-size:16px;color:rgba(255,255,255,0.55);line-height:1.7;max-width:380px}
.login-features{margin-top:48px;display:flex;flex-direction:column;gap:16px}
.login-feature{display:flex;align-items:center;gap:14px;color:rgba(255,255,255,0.7);font-size:15px}
.login-feature-icon{width:36px;height:36px;background:rgba(255,255,255,0.08);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.login-form-wrap{display:flex;align-items:center;justify-content:center;padding:60px 80px;background:var(--surface)}
.login-form-inner{width:100%;max-width:400px}
.login-greeting{margin-bottom:32px}
.login-greeting h2{font-family:var(--font-display);font-size:28px;font-weight:800;color:var(--text-1);margin-bottom:6px}
.login-greeting p{font-size:15px;color:var(--text-3)}

/* Utility */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-gap-8{display:flex;align-items:center;gap:8px}
.flex-gap-12{display:flex;align-items:center;gap:12px}
.mb-4{margin-bottom:4px} .mb-8{margin-bottom:8px} .mb-16{margin-bottom:16px} .mb-24{margin-bottom:24px}
.mt-16{margin-top:16px} .mt-24{margin-top:24px}
.text-sm{font-size:13px} .text-xs{font-size:11px} .text-muted{color:var(--text-3)} .text-primary{color:var(--primary)}
.font-bold{font-weight:700} .font-display{font-family:var(--font-display)} .hidden{display:none!important}
.page-section{display:none} .page-section.active{display:block}

/* Responsive */
@media(max-width:1024px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-280px;transition:left 0.3s ease;height:100vh;z-index:500;width:var(--sidebar-w)}
  .sidebar.mobile-open{left:0}
  .mobile-menu-btn{display:flex}
  .mobile-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:400;display:none}
  .mobile-overlay.open{display:block}
  .form-row,.form-row-3{grid-template-columns:1fr}
  .page-content{padding:20px 16px}
  .app-header{padding:0 16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .header-search{display:none}
}
@media(max-width:640px){
  .stats-grid,.fee-summary-strip,.grid-2,.grid-3{grid-template-columns:1fr}
  .page-header{flex-direction:column}
  .quick-links{grid-template-columns:repeat(2,1fr)}
  .tabs{overflow-x:auto;width:100%}
  .login-page{grid-template-columns:1fr}
  .login-brand{display:none}
  .login-form-wrap{padding:40px 24px}
}

/* Flash messages */
.flash-message{display:flex;align-items:center;gap:10px;padding:13px 18px;border-radius:var(--radius-md);font-size:14px;font-weight:500;margin:16px 32px 0;animation:slideIn 0.3s ease}
.flash-success{background:var(--primary);color:white}
.flash-error{background:var(--danger);color:white}
@media(max-width:1024px){.flash-message{margin:12px 16px 0}}
.text-danger{color:var(--danger)!important}
.main-content{grid-column:2;min-height:calc(100vh - var(--header-h));background:var(--bg)}
@media(max-width:1024px){.main-content{grid-column:1}}
.is-invalid{border-color:var(--danger)!important}

/* Fix large top gap in main content */
.app-shell { grid-template-rows: auto 1fr; }
.app-header { position: sticky; top: 0; z-index: 50; grid-column: 2; grid-row: 1; }
.sidebar    { grid-column: 1; grid-row: 1 / -1; }
.main-content { grid-column: 2; grid-row: 2; overflow-x: hidden; }