/* SchoolOpsPro — Full Design System */
:root{
  --bg:#0F172A;--bg-card:#1E293B;--bg-input:#0F172A;--bg-hover:#1a2740;
  --primary:#4F46E5;--primary-light:#818CF8;--primary-dark:#3730A3;
  --accent:#EC4899;--accent-light:#F472B6;
  --success:#34D399;--success-light:#34D399;
  --warning:#F59E0B;--warning-light:#FBBF24;
  --danger:#DC2626;--danger-light:#F87171;
  --text:#F1F5F9;--text-dim:#94A3B8;--text-muted:#64748B;
  --border:#334155;--border-light:#475569;
  --radius-sm:4px;--radius:8px;--radius-lg:12px;--radius-xl:16px;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.3);
  --shadow:0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:0 8px 30px rgba(0,0,0,0.5);
  --font-heading:'Quicksand',sans-serif;
  --font-body:'Roboto',sans-serif;
  --font-hand:'Patrick Hand',cursive;
  --font-mono:'JetBrains Mono','Fira Code',monospace;
  --transition:all .15s ease;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3;color:var(--text)}
h1{font-size:clamp(24px,4vw,36px)}h2{font-size:clamp(20px,3vw,28px)}h3{font-size:16px}
a{color:var(--primary-light);text-decoration:none;transition:var(--transition)}a:hover{text-decoration:underline;color:var(--primary)}
img{max-width:100%;height:auto}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:var(--transition);font-family:var(--font-heading);white-space:nowrap}
.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-p{background:var(--primary);color:white}.btn-p:hover{background:var(--primary-dark)}
.btn-g{background:var(--bg-card);color:var(--text);border:1px solid var(--border)}.btn-g:hover{border-color:var(--primary);background:var(--bg-hover)}
.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--primary);color:var(--text)}
.btn-danger{background:var(--danger);color:white}.btn-danger:hover{background:#DC2626}
.btn-success{background:var(--success);color:white}.btn-success:hover{background:#059669}
.btn-sm{padding:6px 14px;font-size:12px;border-radius:var(--radius-sm)}
.btn-xs{padding:4px 10px;font-size:11px}
.btn-lg{padding:14px 28px;font-size:16px;border-radius:var(--radius-lg)}
.btn-icon{padding:8px;min-width:36px;justify-content:center}

/* ── Cards ── */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:var(--transition)}
.card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}

/* ── Forms ── */
input,select,textarea{font-family:var(--font-body);font-size:14px}
input[type="text"],input[type="email"],input[type="password"],input[type="number"],input[type="search"],select,textarea{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);outline:none;transition:var(--transition)}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,0.15)}
textarea{resize:vertical;min-height:80px}
label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:4px;font-weight:500}
input[type="checkbox"]{accent-color:var(--primary);width:16px;height:16px;cursor:pointer}
select{cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}


/* ── Modern Navigation ── */
.nav-bar{display:flex;align-items:center;gap:4px;padding:10px 24px;background:rgba(15,23,42,0.85);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.nav-logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text);font-family:var(--font-heading);font-size:18px;font-weight:800}
.nav-logo:hover{text-decoration:none}
.nav-logo-icon{font-size:22px}
.nav-logo-accent{color:var(--primary-light)}
.nav-ham{display:none;background:none;border:none;font-size:22px;color:var(--text);cursor:pointer;padding:4px 8px}
.nav-links{display:flex;align-items:center;gap:2px;flex:1}
.nav-link{font-size:13px;color:var(--text-dim);text-decoration:none;padding:6px 12px;border-radius:var(--radius);transition:var(--transition);white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--text);background:var(--bg-hover);text-decoration:none}
.nav-link-sm{font-size:12px}
.nav-link-signin{color:var(--primary-light);border:1px solid var(--primary);font-weight:600}
.nav-link-signin:hover{background:var(--primary);color:white}
.nav-spacer{flex:1}
.nav-avatar-link{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text);padding:4px 12px;border-radius:20px;background:var(--bg);border:1px solid var(--border);transition:var(--transition)}
.nav-avatar-link:hover{text-decoration:none;border-color:var(--primary)}
.nav-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:white;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;text-transform:uppercase}
.nav-name{font-size:13px;max-width:100px;overflow:hidden;text-overflow:ellipsis}
/* Footer */
.site-footer{margin-top:60px;border-top:1px solid var(--border);background:var(--bg-card)}
.footer-content{max-width:1000px;margin:0 auto;padding:40px 24px;display:flex;gap:40px;flex-wrap:wrap}
.footer-brand{flex:1;min-width:200px}.footer-logo{font-family:var(--font-heading);font-size:16px;font-weight:700}.footer-desc{color:var(--text-dim);font-size:13px;margin-top:4px}
.footer-links{display:flex;gap:40px;flex-wrap:wrap}.footer-col h4{font-size:13px;color:var(--text);margin-bottom:8px}.footer-col a{display:block;font-size:12px;color:var(--text-dim);text-decoration:none;padding:2px 0}.footer-col a:hover{color:var(--primary-light)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;max-width:1000px;margin:0 auto;padding:12px 24px;border-top:1px solid var(--border);font-size:11px;color:var(--text-dim)}.footer-bottom a{color:var(--text-dim)}
@media(max-width:768px){.nav-ham{display:block}.nav-links{display:none;flex-direction:column;position:absolute;top:56px;left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--border);padding:12px;gap:4px;box-shadow:var(--shadow)}.nav-open .nav-links{display:flex}.nav-spacer{display:none}.footer-content{flex-direction:column;gap:24px}}
/* ── Legacy Nav (overridden above) ── */
.nav-bar{display:flex;align-items:center;gap:16px;padding:12px 24px;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.nav-bar .logo{font-family:var(--font-heading);font-size:20px;font-weight:800;color:var(--text);text-decoration:none}.nav-bar .logo span{color:var(--primary-light)}
.nav-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nav-bar a.nav-link{font-size:14px;color:var(--text-dim);text-decoration:none;padding:6px 12px;border-radius:var(--radius);transition:var(--transition)}.nav-bar a.nav-link:hover{color:var(--text);background:var(--bg-hover);text-decoration:none}
.flex-spacer{flex:1}
.ham{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text);padding:4px}

/* ── Footer ── */
.footer{text-align:center;padding:32px 24px;color:var(--text-dim);font-size:12px;border-top:1px solid var(--border);margin-top:48px}.footer a{color:var(--primary-light);text-decoration:none}.footer nav{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:8px}

/* ── States ── */
.state-box{text-align:center;padding:48px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg)}.state-box .icon{font-size:48px;margin-bottom:12px}.state-box h3{font-size:18px;margin-bottom:6px}.state-box p{color:var(--text-dim);font-size:14px;margin-bottom:16px}
.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:40px auto}@keyframes spin{to{transform:rotate(360deg)}}

/* ── Toast ── */
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:var(--success);color:white;padding:12px 24px;border-radius:var(--radius);font-weight:600;z-index:10000;font-family:var(--font-heading);box-shadow:var(--shadow-lg);opacity:0;transition:opacity .3s,transform .3s}.toast.show{opacity:1}.toast.error{background:var(--danger)}.toast.warning{background:var(--warning)}

/* ── Modals ── */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.7);z-index:200;align-items:center;justify-content:center}.modal-overlay.show{display:flex}.modal-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:32px;max-width:560px;width:90%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg)}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:600;font-family:var(--font-heading)}.badge-admin{background:var(--primary);color:white}.badge-active{background:var(--success);color:white}.badge-premium{background:linear-gradient(135deg,#F59E0B,#DC2626);color:white}

/* ── Tabs ── */
.tabs{display:flex;gap:2px;border-bottom:2px solid var(--border)}.tab-btn{padding:8px 18px;background:transparent;border:none;color:var(--text-dim);cursor:pointer;font-family:var(--font-heading);font-size:13px;transition:var(--transition);border-bottom:2px solid transparent;margin-bottom:-2px}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--primary-light);border-bottom-color:var(--primary)}

/* ── Tables ── */
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border);font-size:13px}th{color:var(--text-dim);font-weight:600;background:var(--bg)}tr:hover td{background:var(--bg-hover)}

/* ── Responsive ── */
@media(max-width:768px){
  .ham{display:block}.nav-links{display:none;flex-direction:column;position:absolute;top:60px;left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--border);padding:12px 24px;gap:4px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.card-grid{grid-template-columns:1fr}
}

/* ── Projector mode ── */
.projector-mode{font-size:1.4em}.projector-mode .game-container{max-width:95vw;padding:16px}.projector-mode .controls{display:none}.projector-mode .result-overlay .result-box{padding:16px;font-size:1.2em}


/* Mobile responsive */
@media(max-width:768px){
  .ws-wrap{flex-direction:column;padding:12px}
  .sidebar{flex:none;width:100%;max-height:40vh;overflow-y:auto}
  .canvas-area{position:relative;top:0}
  .fc-layout{flex-direction:column}.fc-sidebar{flex:none;width:100%}
  .fc-canvas-area{position:relative;top:0}
  .games-grid{grid-template-columns:repeat(2,1fr)}
  .lib-grid,.mw-grid,.mf-grid,.class-grid{grid-template-columns:1fr}
  .adm-tabs{overflow-x:auto;flex-wrap:nowrap}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .pf-hero{text-align:center;justify-content:center}
  .tc-teams{flex-direction:column}
  .board{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:480px){
  .fc-toolbar,.mw-toolbar{flex-direction:column;align-items:stretch}
  .nav-links a{font-size:11px;padding:4px 8px}
  .games-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr}
  .adm-tabs{flex-wrap:nowrap}
}
html{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
input,button,select,textarea{font-size:16px;touch-action:manipulation}
img{max-width:100%;height:auto}


/* ── Touch & Orientation (S3.2 + S3.6) ── */
html{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
button,a,.btn,.nav-link,input,select,textarea{touch-action:manipulation}
button,.btn,.nav-link{min-height:44px;display:inline-flex;align-items:center}
input,select,textarea{min-height:44px;font-size:16px}
@media(orientation:landscape){
  .ws-wrap{flex-direction:row}
  .game-host-layout{flex-direction:row}
  .sidebar{max-height:none}
}
@media(orientation:portrait){
  .sidebar{max-height:45vh;overflow-y:auto}
}
@media(hover:none) and (pointer:coarse){
  .btn:hover,.nav-link:hover{transform:none}
  .feature-card:hover{transform:none}
  .game-card:hover{transform:none}
}


/* ── Component-Level Mobile (Modals, Panels, Editors) ── */
@media(max-width:640px){
  /* Edit modal — 39 activity types */
  .modal-overlay .modal-body{width:95vw;max-height:85vh;padding:12px;border-radius:12px;margin:8px}
  .modal-overlay .modal-body h3{font-size:15px}
  .modal-overlay .modal-row{flex-direction:column;gap:6px}
  .modal-overlay .modal-row>div:last-child{flex:none;width:100%}
  .modal-overlay input,.modal-overlay select,.modal-overlay textarea{font-size:16px;padding:10px}
  .modal-overlay button{min-height:40px;font-size:14px}
  
  /* Add activity panel */
  #addPanel{width:100vw;height:auto;max-height:60vh;overflow-y:auto;bottom:0;left:0;border-radius:16px 16px 0 0;position:fixed}
  #addPanel .add-panel{padding:12px}
  #addPanel button{padding:10px;font-size:13px}
  
  /* Flashcard editor modal */
  #fcEditOverlay .fc-grid{grid-template-columns:1fr}
  #fcEditOverlay .fc-edit-body{flex-direction:column;gap:8px}
  #fcEditOverlay .fc-img-tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}
  #fcEditOverlay .fc-img-tab{display:inline-block;font-size:11px;padding:6px 10px}
  
  /* Flashcard study mode */
  .fc-study-card{width:90vw;height:auto;min-height:200px}
  .fc-study-controls{flex-wrap:wrap;justify-content:center}
  
  /* Flashcard print layout */
  #fcPrintModal .fc-print-options{flex-direction:column;gap:8px}
  #fcPrintModal canvas{max-width:100%;height:auto}
  
  /* Style panel + settings */
  .styles-panel,.settings-panel{width:100%;padding:12px}
  .styles-panel .style-row{flex-direction:column;align-items:flex-start}
  .styles-panel select,.styles-panel input{width:100%}
  
  /* Student fields */
  .student-fields{flex-direction:column;gap:4px}
  .student-fields input{width:100%}
  
  /* Blog reading */
  .blog-post{max-width:100%;padding:16px}
  .blog-post h1{font-size:22px}
  
  /* Feature request form */
  .fr-form input,.fr-form textarea{width:100%;font-size:16px}
  
  /* Image search results */
  .img-results{grid-template-columns:repeat(2,1fr);gap:6px}
  .img-result img{height:120px;object-fit:cover}
}