/* ===================================================
   Otino Waa Alumni – Global Styles  (Mobile-first)
   =================================================== */
:root {
  --primary: #1A3C6E;
  --primary-light: #2E5A8A;
  --success: #27AE60;
  --success-light: #2ECC71;
  --white: #FFFFFF;
  --bg-light: #F5F7FA;
  --text-dark: #1a1a2e;
  --text-muted: #6c757d;
  --border: #dee2e6;
  --shadow: 0 2px 15px rgba(26,60,110,0.08);
  --shadow-hover: 0 6px 25px rgba(26,60,110,0.15);
  --radius: 10px;
  --radius-lg: 16px;
  --sidebar-w: 260px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg-light);color:var(--text-dark);line-height:1.6;font-size:15px;}
a{color:var(--primary-light);text-decoration:none;}
a:hover{color:var(--primary);}
img{max-width:100%;height:auto;}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 20px;border-radius:8px;font-size:0.9rem;font-weight:600;border:none;cursor:pointer;transition:all .2s ease;text-decoration:none;white-space:nowrap;touch-action:manipulation;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover,.btn-primary:active{background:var(--primary-light);color:#fff;}
.btn-success{background:var(--success);color:#fff;}
.btn-success:hover,.btn-success:active{background:var(--success-light);color:#fff;}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-white{background:#fff;color:var(--primary);}
.btn-danger{background:#e74c3c;color:#fff;}
.btn-danger:hover{background:#c0392b;color:#fff;}
.btn-sm{padding:7px 14px;font-size:0.8rem;}
.btn-lg{padding:14px 28px;font-size:1rem;}
.btn-block{width:100%;justify-content:center;}

/* ---- Cards ---- */
.card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:1.2rem;transition:box-shadow .2s;}
.card-header{padding-bottom:.9rem;margin-bottom:1rem;border-bottom:2px solid var(--bg-light);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem;}
.card-title{font-size:1rem;font-weight:700;color:var(--primary);}

/* ---- Stat cards ---- */
.stat-card{background:#fff;border-radius:var(--radius-lg);padding:1.1rem 1.2rem;box-shadow:var(--shadow);display:flex;align-items:center;gap:.9rem;}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;}
.stat-icon.blue{background:rgba(26,60,110,.1);color:var(--primary);}
.stat-icon.green{background:rgba(39,174,96,.12);color:var(--success);}
.stat-icon.orange{background:rgba(243,156,18,.12);color:#f39c12;}
.stat-icon.red{background:rgba(231,76,60,.12);color:#e74c3c;}
.stat-value{font-size:1.3rem;font-weight:800;color:var(--text-dark);line-height:1.2;}
.stat-label{font-size:0.76rem;color:var(--text-muted);margin-top:2px;}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-bottom:1.4rem;}

/* ---- Forms ---- */
.form-group{margin-bottom:1rem;}
.form-label{display:block;font-weight:600;font-size:0.85rem;color:var(--text-dark);margin-bottom:5px;}
.form-control{width:100%;padding:11px 13px;border:2px solid var(--border);border-radius:8px;font-size:0.92rem;background:#fff;transition:border-color .2s,box-shadow .2s;outline:none;color:var(--text-dark);-webkit-appearance:none;appearance:none;}
.form-control:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(46,90,138,.12);}
.form-hint{font-size:0.76rem;color:var(--text-muted);margin-top:4px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;}
select.form-control{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236c757d' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:34px;}

/* ---- Alerts ---- */
.alert{padding:11px 14px;border-radius:8px;font-size:0.88rem;margin-bottom:.9rem;display:flex;align-items:flex-start;gap:8px;}
.alert-success{background:rgba(39,174,96,.1);color:#1e8449;border-left:4px solid var(--success);}
.alert-danger{background:rgba(231,76,60,.1);color:#c0392b;border-left:4px solid #e74c3c;}
.alert-info{background:rgba(26,60,110,.08);color:var(--primary);border-left:4px solid var(--primary);}
.alert-warning{background:rgba(243,156,18,.1);color:#856404;border-left:4px solid #f39c12;}

/* ---- Badges ---- */
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:0.72rem;font-weight:600;}
.badge-success{background:rgba(39,174,96,.15);color:#1e8449;}
.badge-danger{background:rgba(231,76,60,.12);color:#c0392b;}
.badge-warning{background:rgba(243,156,18,.15);color:#856404;}
.badge-info{background:rgba(26,60,110,.1);color:var(--primary);}
.badge-secondary{background:var(--bg-light);color:var(--text-muted);}

/* ---- Tables ---- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);}
table{width:100%;border-collapse:collapse;font-size:0.85rem;}
thead th{background:var(--primary);color:#fff;padding:10px 12px;text-align:left;font-weight:600;font-size:0.78rem;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap;}
tbody tr{border-bottom:1px solid var(--bg-light);transition:background .15s;}
tbody tr:hover{background:rgba(245,247,250,.8);}
tbody td{padding:10px 12px;vertical-align:middle;}
tbody tr:last-child{border-bottom:none;}

/* ===================================================
   DASHBOARD LAYOUT  (sidebar + main)
   =================================================== */
.dashboard-wrapper{display:flex;min-height:100vh;}

/* ---- Sidebar ---- */
.sidebar{width:var(--sidebar-w);background:var(--primary);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:200;transition:transform .3s cubic-bezier(.4,0,.2,1);}
.sidebar-logo{padding:1.2rem 1.1rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:10px;}
.sidebar-logo-text .app-name{font-size:.95rem;font-weight:800;color:#fff;line-height:1.2;}
.sidebar-logo-text .app-sub{font-size:.68rem;color:rgba(255,255,255,.6);}
.sidebar-nav{padding:.8rem 0;flex:1;}
.nav-section{padding:.5rem 1.1rem .25rem;font-size:.64rem;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.4);font-weight:700;}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 1.3rem;color:rgba(255,255,255,.8);font-size:.88rem;cursor:pointer;transition:all .2s;border-left:3px solid transparent;text-decoration:none;}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-item.active{background:rgba(255,255,255,.14);color:#fff;border-left-color:var(--success-light);font-weight:600;}
.nav-icon{width:20px;text-align:center;font-size:.95rem;flex-shrink:0;}
.sidebar-footer{padding:.9rem 1.1rem;border-top:1px solid rgba(255,255,255,.1);}
.user-info{display:flex;align-items:center;gap:9px;}
.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--success);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.82rem;color:#fff;flex-shrink:0;overflow:hidden;}
.user-avatar img{width:100%;height:100%;object-fit:cover;}
.user-name{font-size:.84rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:130px;}
.user-role{font-size:.68rem;color:rgba(255,255,255,.55);}

/* ---- Sidebar backdrop (mobile) ---- */
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:199;touch-action:none;}
.sidebar-backdrop.open{display:block;}

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

/* ---- Topbar ---- */
.topbar{background:#fff;padding:0 1.2rem;height:60px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 10px rgba(0,0,0,.06);position:sticky;top:0;z-index:100;}
.topbar-left{display:flex;align-items:center;gap:.8rem;min-width:0;}
.topbar-title{font-size:1rem;font-weight:700;color:var(--primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px;}
.topbar-right{display:flex;align-items:center;gap:.6rem;}
.notif-btn{position:relative;background:none;border:none;cursor:pointer;padding:7px;color:var(--text-muted);font-size:1.15rem;line-height:1;}
.notif-badge{position:absolute;top:2px;right:2px;background:#e74c3c;color:#fff;font-size:.58rem;width:15px;height:15px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;}

/* ---- Hamburger ---- */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-shrink:0;}
.hamburger span{display:block;width:22px;height:2px;background:var(--primary);margin:5px 0;transition:all .3s;border-radius:2px;}

/* ---- Page content ---- */
.page-content{padding:1.4rem;flex:1;}
.page-header{margin-bottom:1.4rem;}
.page-header h1{font-size:1.3rem;font-weight:800;color:var(--primary);}
.page-header p{color:var(--text-muted);font-size:.86rem;margin-top:3px;}

/* ---- Layout grids ---- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;}

/* ---- Progress ---- */
.progress{background:var(--bg-light);border-radius:20px;height:7px;overflow:hidden;}
.progress-bar{height:100%;border-radius:20px;background:linear-gradient(90deg,var(--primary),var(--primary-light));transition:width .6s ease;}
.progress-bar.green{background:linear-gradient(90deg,var(--success),var(--success-light));}

/* ---- Modal ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:1000;display:flex;align-items:flex-end;justify-content:center;padding:0;opacity:0;visibility:hidden;transition:all .25s;}
.modal-overlay.open{opacity:1;visibility:visible;}
.modal{background:#fff;border-radius:20px 20px 0 0;width:100%;max-height:92vh;overflow-y:auto;box-shadow:0 -4px 40px rgba(0,0,0,.2);transform:translateY(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);}
.modal-overlay.open .modal{transform:translateY(0);}
.modal-header{padding:1.2rem 1.3rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#fff;z-index:1;}
.modal-title{font-size:1rem;font-weight:700;color:var(--primary);}
.modal-close{background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--text-muted);padding:4px 8px;border-radius:6px;line-height:1;}
.modal-body{padding:1.2rem 1.3rem;}
.modal-footer{padding:.9rem 1.3rem;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;position:sticky;bottom:0;background:#fff;}

/* ---- Modal handle (mobile drag indicator) ---- */
.modal::before{content:'';display:block;width:40px;height:4px;background:var(--border);border-radius:4px;margin:10px auto 0;}

/* ---- Empty state ---- */
.empty-state{text-align:center;padding:2.5rem 1.5rem;color:var(--text-muted);}
.empty-state .empty-icon{font-size:2.5rem;margin-bottom:.8rem;opacity:.35;}
.empty-state h3{font-size:1rem;font-weight:600;color:var(--text-muted);margin-bottom:6px;}

/* ---- Tabs ---- */
.tabs{display:flex;gap:2px;border-bottom:2px solid var(--border);margin-bottom:1.2rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
.tabs::-webkit-scrollbar{display:none;}
.tab-btn{padding:9px 14px;background:none;border:none;cursor:pointer;font-size:.84rem;font-weight:600;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s;white-space:nowrap;flex-shrink:0;}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);}
.tab-pane{display:none;}
.tab-pane.active{display:block;}

/* ---- Search bar ---- */
.search-bar{display:flex;align-items:center;gap:8px;background:#fff;border:2px solid var(--border);border-radius:8px;padding:9px 12px;}
.search-bar input{border:none;background:none;outline:none;font-size:.9rem;flex:1;color:var(--text-dark);min-width:0;}
.search-bar .search-icon{color:var(--text-muted);}

/* ---- Spinner ---- */
.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.spinner-dark{border-color:rgba(26,60,110,.2);border-top-color:var(--primary);}

/* ===================================================
   LANDING PAGE
   =================================================== */
.landing-nav{background:var(--primary);padding:0 1.2rem;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;box-shadow:0 2px 20px rgba(0,0,0,.15);}
.landing-nav .logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:1rem;font-weight:800;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{color:rgba(255,255,255,.85);font-size:.88rem;padding:7px 12px;border-radius:6px;transition:all .2s;font-weight:500;}
.nav-links a:hover{background:rgba(255,255,255,.12);color:#fff;}
.hero{background:linear-gradient(135deg,var(--primary) 0%,#0d2444 100%);color:#fff;padding:4rem 1.2rem 3.5rem;text-align:center;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 60%,rgba(39,174,96,.1) 0%,transparent 60%);}
.hero-badge{display:inline-block;background:rgba(39,174,96,.2);color:var(--success-light);border:1px solid rgba(46,204,113,.3);padding:5px 14px;border-radius:20px;font-size:.78rem;font-weight:600;margin-bottom:1.2rem;}
.hero h1{font-size:2rem;font-weight:900;line-height:1.15;margin-bottom:.9rem;}
.hero h1 span{color:var(--success-light);}
.hero p{font-size:.95rem;color:rgba(255,255,255,.8);max-width:520px;margin:0 auto 1.8rem;}
.hero-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}
.hero-quote{margin-top:2.5rem;font-style:italic;color:rgba(255,255,255,.6);font-size:.9rem;}
.features{padding:3.5rem 1.2rem;background:var(--bg-light);}
.section-header{text-align:center;margin-bottom:2.5rem;}
.section-header h2{font-size:1.6rem;font-weight:800;color:var(--primary);}
.section-header p{color:var(--text-muted);margin-top:7px;}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem;max-width:1100px;margin:0 auto;}
.feature-card{background:#fff;border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow);text-align:center;}
.feature-icon{width:58px;height:58px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin:0 auto .9rem;}
.feature-card h3{font-size:.95rem;font-weight:700;color:var(--primary);margin-bottom:7px;}
.feature-card p{font-size:.84rem;color:var(--text-muted);line-height:1.6;}
.stats-section{background:var(--primary);color:#fff;padding:3rem 1.2rem;}
.stats-numbers{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;max-width:800px;margin:0 auto;text-align:center;}
.stat-num{font-size:2rem;font-weight:900;color:var(--success-light);}
.stat-num-label{font-size:.82rem;color:rgba(255,255,255,.7);margin-top:3px;}
footer{background:#0d2444;color:rgba(255,255,255,.7);padding:1.8rem 1.2rem;text-align:center;font-size:.84rem;}
footer a{color:var(--success-light);}

/* ===================================================
   MOBILE-FIRST RESPONSIVE BREAKPOINTS
   =================================================== */

/* Default (mobile): sidebar hidden off-screen */
.sidebar{transform:translateX(-100%);}
.sidebar.open{transform:translateX(0);}
.main-content{margin-left:0;}
.hamburger{display:flex;flex-direction:column;justify-content:center;}
.stats-grid{grid-template-columns:1fr 1fr;}
.form-row{grid-template-columns:1fr;}
.grid-2{grid-template-columns:1fr;}
.grid-3{grid-template-columns:1fr;}
.nav-links{display:none;}

/* Tablet 640px+ */
@media(min-width:640px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:1fr 1fr;}
  .hero h1{font-size:2.3rem;}
  .page-content{padding:1.6rem;}
  .stats-numbers{grid-template-columns:repeat(4,1fr);}
}

/* Desktop 900px+ */
@media(min-width:900px){
  .sidebar{transform:translateX(0);}
  .main-content{margin-left:var(--sidebar-w);}
  .hamburger{display:none;}
  .sidebar-backdrop{display:none !important;}
  .grid-2{grid-template-columns:1fr 1fr;}
  .grid-3{grid-template-columns:1fr 1fr 1fr;}
  .stats-grid{grid-template-columns:repeat(4,1fr);}
  .nav-links{display:flex;}
  .page-content{padding:1.8rem;}
  .modal{border-radius:var(--radius-lg);max-width:580px;border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-lg);}
  .modal::before{display:none;}
  .modal-overlay{align-items:center;padding:1rem;}
  .hero h1{font-size:2.8rem;}
}

/* Large desktop 1200px+ */
@media(min-width:1200px){
  .stats-grid{grid-template-columns:repeat(4,1fr);}
}

/* Very small phones 360px and below */
@media(max-width:360px){
  .stats-grid{grid-template-columns:1fr;}
  .stat-value{font-size:1.1rem;}
  .page-content{padding:.9rem;}
  .btn{padding:10px 14px;font-size:.84rem;}
}