/* ============================================================
   ShuleSmart — School Admin Portal Stylesheet
   Design tokens match the ShuleSmart brand (landing + owner).
   ============================================================ */
:root{
  --primary:#1E3A8A;
  --primary-light:#2563EB;
  --accent:#14B8A6;
  --dark:#0F172A;
  --background:#F8FAFC;
  --white:#FFFFFF;
  --text-secondary:#64748B;
  --border:#E2E8F0;
  --success:#10B981;
  --warning:#F59E0B;
  --danger:#EF4444;
  --info:#2563EB;
  --font-display:'Plus Jakarta Sans','Inter',sans-serif;
  --font-body:'Inter',sans-serif;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(15,23,42,0.06);
  --shadow-md:0 8px 24px rgba(15,23,42,0.08);
  --shadow-lg:0 20px 50px rgba(15,23,42,0.14);
  --sidebar-w:272px;
  --topbar-h:72px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font-body);color:var(--dark);
  background:var(--background);line-height:1.55;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--dark);}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--dark);line-height:1.2;letter-spacing:-0.02em;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px;}

/* ============ App shell ============ */
.app{display:flex;min-height:100vh;}
.main{
  flex:1;margin-left:var(--sidebar-w);
  display:flex;flex-direction:column;min-height:100vh;min-width:0;
}

/* Instant visual feedback while the shell hydrates after auth */
#sidebar:empty::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,transparent,#2563EB,#14B8A6,transparent);
  animation:ss-loading 1s linear infinite;
}
@keyframes ss-loading{from{transform:translateX(-100%)}to{transform:translateX(100%)}}

/* ============ Sidebar ============ */
.sa-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--dark);display:flex;flex-direction:column;
  z-index:200;transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.sa-sidebar-brand{
  display:flex;align-items:center;gap:12px;
  padding:24px 20px;border-bottom:1px solid rgba(255,255,255,0.08);
}
.sa-brand-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary-light),var(--accent));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;color:#fff;font-size:15px;
}
.sa-brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.sa-brand-name{font-family:var(--font-display);font-weight:800;font-size:16px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sa-brand-code{font-size:11px;color:rgba(255,255,255,0.5);font-weight:600;letter-spacing:.05em;text-transform:uppercase;}
.sa-sidebar-nav{flex:1;padding:14px;}
.sa-nav-group{margin-bottom:10px;}
.sa-nav-group-label{
  font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(255,255,255,0.32);padding:8px 12px 6px;
}
.sa-nav-item{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:11px;
  color:rgba(255,255,255,0.68);font-weight:600;font-size:14px;
  margin-bottom:2px;width:100%;text-align:left;
  transition:background .18s ease,color .18s ease;
}
.sa-nav-item i{width:19px;text-align:center;font-size:15px;flex-shrink:0;}
.sa-nav-item:hover{background:rgba(255,255,255,0.06);color:#fff;}
.sa-nav-item.active{background:linear-gradient(135deg,rgba(37,99,235,0.25),rgba(20,184,166,0.18));color:#fff;}
.sa-sidebar-foot{padding:14px;border-top:1px solid rgba(255,255,255,0.08);}

/* ============ Top bar ============ */
.sa-topbar{
  position:sticky;top:0;z-index:150;height:var(--topbar-h);
  background:rgba(248,250,252,0.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 26px;gap:16px;
}
.sa-topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.sa-hamburger{display:none;}
.sa-icon-btn{
  width:42px;height:42px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--dark);
  transition:background .2s ease;
}
.sa-icon-btn:hover{background:rgba(15,23,42,0.06);}
.sa-topbar-title{font-family:var(--font-display);font-weight:800;font-size:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sa-topbar-right{display:flex;align-items:center;gap:12px;}
.sa-school-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1.5px solid var(--border);
  padding:8px 14px;border-radius:100px;font-size:13px;font-weight:600;
  color:var(--text-secondary);max-width:240px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sa-school-chip i{color:var(--primary-light);}
.sa-user-chip{display:flex;align-items:center;gap:9px;}
.sa-avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary-light),var(--accent));
  color:#fff;font-weight:700;font-size:13px;font-family:var(--font-display);
  display:flex;align-items:center;justify-content:center;
}
.sa-avatar-name{font-size:13.5px;font-weight:700;white-space:nowrap;}
.sa-sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,0.55);z-index:190;opacity:0;transition:opacity .3s ease;}
.sa-sidebar-overlay.show{display:block;opacity:1;}

/* ============ Content ============ */
.sa-content{padding:28px 28px 60px;max-width:1400px;width:100%;}
.sa-page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:24px;}
.sa-page-head h1{font-size:26px;margin-bottom:4px;}
.sa-page-head p{color:var(--text-secondary);font-size:14.5px;}

/* ============ Buttons ============ */
.sa-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;
  font-family:var(--font-display);white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.sa-btn-primary{background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;box-shadow:0 8px 20px rgba(37,99,235,0.28);}
.sa-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,0.34);}
.sa-btn-secondary{background:#fff;color:var(--primary);border:1.5px solid var(--border);}
.sa-btn-secondary:hover{border-color:var(--primary-light);transform:translateY(-2px);}
.sa-btn-danger{background:var(--danger);color:#fff;}
.sa-btn-danger:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(239,68,68,0.3);}
.sa-btn-ghost{color:var(--text-secondary);}
.sa-btn-ghost:hover{background:#F1F5F9;color:var(--dark);}
.sa-btn-sm{padding:9px 15px;font-size:13px;}
.sa-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none !important;box-shadow:none !important;}

/* ============ Cards & grids ============ */
.sa-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);}
.sa-card-header{padding:20px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.sa-card-header h2{font-size:17px;}
.sa-card-header p{font-size:12.5px;color:var(--text-secondary);margin-top:3px;}
.sa-card-body{padding:22px;}
.sa-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px;}
.sa-stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:20px;display:flex;align-items:flex-start;gap:14px;
  box-shadow:var(--shadow-sm);
}
.sa-stat-icon{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.sa-stat-value{font-family:var(--font-display);font-size:24px;font-weight:800;line-height:1.1;}
.sa-stat-label{font-size:12.5px;color:var(--text-secondary);font-weight:600;margin-top:2px;}
.sa-grid-2{display:grid;grid-template-columns:2fr 1fr;gap:20px;}
.sa-grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
@media(max-width:1100px){.sa-grid-2{grid-template-columns:1fr;}}

/* ============ Tables ============ */
.sa-table-wrap{overflow-x:auto;border-radius:var(--radius-sm);}
.sa-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:720px;}
.sa-table thead th{
  text-align:left;padding:12px 16px;background:#F8FAFC;color:var(--text-secondary);
  font-size:11.5px;text-transform:uppercase;letter-spacing:0.04em;font-weight:700;
  border-bottom:1px solid var(--border);white-space:nowrap;
}
.sa-table tbody td{padding:13px 16px;border-bottom:1px solid var(--border);vertical-align:middle;}
.sa-table tbody tr:last-child td{border-bottom:none;}
.sa-table tbody tr:hover{background:rgba(37,99,235,0.03);}
.sa-cell-primary{font-weight:700;}
.sa-cell-sub{font-size:12px;color:var(--text-secondary);}
.sa-row-actions{display:flex;gap:6px;}
.sa-row-actions button{
  width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);font-size:13px;
  transition:background .15s ease,color .15s ease;
}
.sa-row-actions button:hover{background:rgba(37,99,235,0.08);color:var(--primary-light);}
.sa-row-actions button.danger:hover{background:rgba(239,68,68,0.08);color:var(--danger);}
.sa-entity{display:flex;align-items:center;gap:11px;}
.sa-entity-thumb{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary-light),var(--accent));
  color:#fff;font-weight:700;font-size:13px;font-family:var(--font-display);
  display:flex;align-items:center;justify-content:center;
}
.sa-entity-thumb img{width:100%;height:100%;object-fit:cover;border-radius:10px;}

/* ============ Badges ============ */
.sa-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:100px;font-size:11.5px;font-weight:700;text-transform:capitalize;}
.sa-badge-success{background:rgba(16,185,129,0.12);color:var(--success);}
.sa-badge-warning{background:rgba(245,158,11,0.12);color:var(--warning);}
.sa-badge-danger{background:rgba(239,68,68,0.12);color:var(--danger);}
.sa-badge-info{background:rgba(37,99,235,0.12);color:var(--info);}
.sa-badge-neutral{background:#F1F5F9;color:var(--text-secondary);}

/* ============ Filters ============ */
.sa-filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px;}
.sa-input,.sa-select{
  padding:11px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:13.5px;
  background:#fff;outline:none;transition:border-color .2s ease;
}
.sa-input{flex:1;min-width:200px;}
.sa-input:focus,.sa-select:focus{border-color:var(--primary-light);}

/* ============ Content states ============ */
.sa-state{text-align:center;padding:44px 20px;}
.sa-state i{font-size:40px;color:var(--border);margin-bottom:14px;}
.sa-state h4{font-size:16px;margin-bottom:6px;}
.sa-state p{font-size:13.5px;color:var(--text-secondary);margin-bottom:16px;max-width:360px;margin-left:auto;margin-right:auto;}
.sa-spinner{
  width:34px;height:34px;border-radius:50%;margin:0 auto 12px;
  border:3px solid rgba(37,99,235,0.15);border-top-color:var(--primary-light);
  animation:saSpin .8s linear infinite;
}
@keyframes saSpin{to{transform:rotate(360deg);}}
.sa-endpoint-chip{
  display:inline-block;background:#F1F5F9;color:var(--primary-light);
  font-family:ui-monospace,monospace;font-size:12px;padding:6px 12px;border-radius:8px;
}

/* ============ Toasts ============ */
#toastContainer{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:10px;max-width:360px;}
.sa-toast{
  background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);
  padding:14px 16px;display:flex;align-items:flex-start;gap:11px;
  border-left:4px solid var(--info);animation:saToastIn .3s ease;
}
.sa-toast.hide{animation:saToastOut .25s ease forwards;}
@keyframes saToastIn{from{opacity:0;transform:translateX(30px);}to{opacity:1;transform:translateX(0);}}
@keyframes saToastOut{to{opacity:0;transform:translateX(30px);}}
.sa-toast i{font-size:16px;margin-top:1px;}
.sa-toast.success{border-left-color:var(--success);}.sa-toast.success i{color:var(--success);}
.sa-toast.error{border-left-color:var(--danger);}.sa-toast.error i{color:var(--danger);}
.sa-toast.warning{border-left-color:var(--warning);}.sa-toast.warning i{color:var(--warning);}
.sa-toast.info i{color:var(--info);}
.sa-toast-msg{font-size:13.5px;font-weight:600;flex:1;}
.sa-toast-close{color:var(--text-secondary);font-size:12px;}

/* ============ Modal ============ */
.sa-modal-overlay{
  position:fixed;inset:0;background:rgba(15,23,42,0.55);z-index:900;
  display:flex;align-items:center;justify-content:center;padding:20px;
  animation:saFade .2s ease;
}
.sa-modal{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  width:100%;max-width:520px;max-height:90vh;overflow-y:auto;padding:26px 26px 22px;
  position:relative;animation:saScale .25s ease;
}
@keyframes saFade{from{opacity:0;}to{opacity:1;}}
@keyframes saScale{from{opacity:0;transform:scale(.96) translateY(8px);}to{opacity:1;transform:scale(1) translateY(0);}}
.sa-modal-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:15px;
}
.sa-modal-close:hover{background:#F1F5F9;color:var(--dark);}
.sa-modal-title{font-size:19px;margin-bottom:6px;}
.sa-modal-message{font-size:14px;color:var(--text-secondary);line-height:1.5;}
.sa-modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px;flex-wrap:wrap;}
.sa-confirm-icon{
  width:58px;height:58px;border-radius:16px;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;font-size:23px;
}
.sa-confirm-icon.danger{background:rgba(239,68,68,0.1);color:var(--danger);}
.sa-confirm-icon.info{background:rgba(37,99,235,0.1);color:var(--info);}

/* ============ Forms ============ */
.sa-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.sa-form-group{display:flex;flex-direction:column;gap:7px;}
.sa-form-group.full{grid-column:1 / -1;}
.sa-form-group label{font-size:13.5px;font-weight:700;}
.sa-form-group .sa-input,.sa-form-group .sa-select{width:100%;}
.sa-form-group .req{color:var(--danger);}
@media(max-width:560px){.sa-form-grid{grid-template-columns:1fr;}}

/* ============ Searchable combobox (search inside a dropdown) ============ */
.sa-ss{position:relative;width:100%;}
.sa-ss-field{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:13.5px;
  background:#fff;color:var(--text);cursor:pointer;text-align:left;
  transition:border-color .2s ease;
}
.sa-ss-field:hover,.sa-ss.open .sa-ss-field{border-color:var(--primary-light);}
.sa-ss-value{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary);}
.sa-ss-value.has{color:var(--text);font-weight:600;}
.sa-ss-arrow{font-size:12px;color:var(--text-secondary);transition:transform .2s ease;flex-shrink:0;}
.sa-ss.open .sa-ss-arrow{transform:rotate(180deg);}
.sa-ss-panel{
  position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:120;display:none;
  background:#fff;border:1.5px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.sa-ss.open .sa-ss-panel{display:block;}
.sa-ss-search{
  width:100%;border:none;border-bottom:1.5px solid var(--border);padding:11px 14px;
  font-size:13.5px;outline:none;border-radius:0;
}
.sa-ss-search:focus{border-color:var(--primary-light);}
.sa-ss-list{max-height:230px;overflow-y:auto;padding:6px;}
.sa-ss-opt{padding:9px 12px;border-radius:8px;cursor:pointer;font-size:13.5px;word-break:break-word;}
.sa-ss-opt:hover{background:#F1F5F9;}
.sa-ss-opt.sel{background:rgba(37,99,235,0.1);color:var(--primary);font-weight:700;}
.sa-ss-empty{padding:12px;font-size:13px;color:var(--text-secondary);text-align:center;}

.sa-form-section-title{grid-column:1 / -1;font-family:var(--font-display);font-size:14px;font-weight:800;color:var(--primary);text-transform:uppercase;letter-spacing:.04em;margin-top:6px;}

/* ============ Quick actions / activity ============ */
.sa-qa-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;}
.sa-qa-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:18px;display:flex;flex-direction:column;gap:10px;text-align:left;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.sa-qa-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--primary-light);}
.sa-qa-icon{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(37,99,235,0.1);color:var(--primary-light);font-size:16px;}
.sa-qa-card h4{font-size:14px;}
.sa-qa-card p{font-size:12px;color:var(--text-secondary);}
.sa-activity-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);align-items:flex-start;}
.sa-activity-item:last-child{border-bottom:none;}
.sa-activity-icon{width:36px;height:36px;border-radius:10px;background:rgba(37,99,235,0.08);color:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px;}
.sa-activity-text{font-size:13.5px;font-weight:600;line-height:1.4;}
.sa-activity-meta{font-size:11.5px;color:var(--text-secondary);margin-top:2px;}

/* ============ Responsive ============ */
@media(min-width:1101px){.sa-hamburger{display:none;}}
@media(max-width:1100px){
  .main{margin-left:0;}
  .sa-sidebar{transform:translateX(-100%);box-shadow:var(--shadow-lg);}
  .sa-sidebar.open{transform:translateX(0);}
  .sa-hamburger{display:flex;}
}
@media(max-width:640px){
  .sa-topbar{padding:0 14px;}
  .sa-content{padding:20px 14px 50px;}
  .sa-avatar-name{display:none;}
  .sa-school-chip{max-width:180px;}
  .sa-page-head h1{font-size:22px;}
}