/* Simplified styling inspired by provided screenshots */
*{box-sizing:border-box;font-family:Inter,system-ui,Segoe UI,Roboto,'Helvetica Neue',Arial}
body,html{height:100%;margin:0}
.page-bg{min-height:100vh;background:linear-gradient(90deg,#0f9b8b 0%, #168b84 100%);display:flex;align-items:center;justify-content:center;padding:40px}
.login-wrap{width:380px;margin:40px auto}
.login-card{background:#fff;border-radius:12px;padding:28px 28px;box-shadow:0 12px 30px rgba(3,34,33,0.06);text-align:left}
.login-logo{width:88px;height:88px;object-fit:contain;border-radius:10px;display:inline-block}
.title{margin:6px 0 18px;text-align:center;color:#0b8b7c;font-weight:700}
.input{margin:6px 0 14px}
.input input{width:100%;padding:14px 16px;border:1px solid #e6eceb;border-radius:10px}
.form-row{display:flex;justify-content:space-between;align-items:center;margin:8px 0 18px}
.checkbox{font-size:13px;color:#666}
.forgot{font-size:13px;color:#0b8b7c;text-decoration:none}
.btn{width:100%;padding:14px;background:linear-gradient(180deg,#0e8f83,#0a7b6f);border:none;color:#fff;border-radius:10px;font-weight:700;box-shadow:0 8px 18px rgba(9,99,92,0.12);transition:transform .18s ease,box-shadow .18s ease,filter .12s ease,background-position .6s ease}

/* Hover/focus/active animations for buttons (especially login) */
.btn:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(9,99,92,0.16);filter:brightness(1.03)}
.btn:focus{outline:none;box-shadow:0 18px 40px rgba(9,99,92,0.18), 0 0 0 6px rgba(10,132,117,0.06)}
.btn:active{transform:translateY(-1px);box-shadow:0 10px 26px rgba(9,99,92,0.12);filter:brightness(0.98)}

/* subtle gradient movement on hover to feel lively */
.btn{background-size:200% 200%;background-position:0% 50%}
.btn:hover{background-position:100% 50%}

/* Slightly stronger variant specifically for login full-page view */
.login-page .btn{padding:15px 18px;border-radius:12px;font-size:15px}
.login-page .btn:hover{transform:translateY(-6px)}

/* No-animation variant: instant color change on hover/click (use by adding `no-anim`) */
.btn.no-anim{transition:none !important;transform:none !important}
.btn.no-anim:hover{transform:none;box-shadow:none;background:linear-gradient(180deg,#0b9f8f,#08846e);filter:none}
.btn.no-anim:focus{outline:none;box-shadow:none}
.btn.no-anim:active{transform:none;background:#067560}
.or{margin:18px 0;text-align:center;color:#99bdb9}
.create{text-align:center;color:#7a9a98}
.errors{background:#fff4f4;padding:8px;border-left:4px solid #ff6b6b;margin-bottom:12px}
.error{color:#b45353;font-size:13px}

/* Dashboard styles */
.dashboard-wrap{width:100%;max-width:1100px;margin:20px auto;background:transparent}
.nav{display:flex;justify-content:space-between;align-items:center;color:#fff;margin-bottom:18px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:#fff;padding:18px;border-radius:8px;box-shadow:0 6px 16px rgba(0,0,0,0.06);color:#2b5d56}
.muted{display:block;color:#98b6b2;font-size:13px;margin-top:8px}
.logout{background:#fff;border:1px solid #ddd;padding:8px 12px;border-radius:6px}

/* App layout */
.app-shell{display:flex;min-height:100vh;background:#f3f8f7}
.side-nav{width:260px;background:linear-gradient(180deg,#0f9b8b 0%, #0d8c80 100%);padding:28px 18px;color:#fff;box-shadow:2px 0 24px rgba(5,45,44,0.06);position:relative}
/* center brand/logo horizontally */
.brand{display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.brand-logo{background:#fff;color:#0b8b7c;padding:10px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.brand-logo .brand-img{width:56px;height:56px;display:block;object-fit:contain;border-radius:8px}
.nav-list{display:flex;flex-direction:column;gap:10px}
.nav-item{display:block;padding:12px 14px;border-radius:10px;color:#e6fff9;text-decoration:none;font-weight:600;position:relative;overflow:hidden;transition:all .18s ease}
.nav-item::before{content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%) scaleY(.6);width:6px;height:6px;border-radius:6px;background:transparent;transition:all .18s ease}
.nav-item:hover{background:rgba(255,255,255,0.08);color:#ffffff;transform:translateX(6px);box-shadow:0 8px 28px rgba(3,34,33,0.06)}
.nav-item:hover::before{background:rgba(255,255,255,0.95);height:36px;transform:translateY(-50%) scaleY(1)}
.nav-item.active{background:#ffffff;color:#0b8b7c;font-weight:700;box-shadow:0 6px 18px rgba(5,45,44,0.06)}

/* subtle gradient overlay on sidebar for depth */
.side-nav::after{content:"";position:absolute;left:0;top:0;bottom:0;width:260px;border-radius:0 14px 14px 0;pointer-events:none;box-shadow:inset 0 -40px 80px rgba(0,0,0,0.04)}

/* Variant: alternative sidebar style — left indicator with full text visible */
.nav-item.hide-first{padding-left:34px}
.nav-item.hide-first::before{left:14px;height:36px;width:8px;border-radius:6px;background:rgba(255,255,255,0.95)}
.nav-item.hide-first{letter-spacing:0.2px}
.main-area{flex:1;padding:28px}
.topbar{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:18px;border-radius:10px;box-shadow:0 12px 30px rgba(6,86,81,0.06);margin-bottom:18px}
.page-title{font-size:24px;color:#157a72;font-weight:700}
.top-actions{display:flex;gap:18px;align-items:center}
.top-actions .user{background:linear-gradient(180deg,#f8fffd,#f1fbf9);padding:8px 12px;border-radius:18px;color:#0b8b7c;box-shadow:0 6px 20px rgba(6,86,81,0.04)}

/* Attractive language dropdown */
.top-actions .lang-select-wrapper{position:relative;display:inline-block}
.top-actions select#lang-select{
	-webkit-appearance:none;
	-moz-appearance:none;
	appearance:none;
	background:#ffffff;
	border:1px solid #e6eceb;
	padding:10px 40px 10px 14px;
	border-radius:20px;
	color:#0b8b7c;
	font-weight:700;
	box-shadow:0 8px 22px rgba(6,86,81,0.08);
	cursor:pointer;
	transition:transform .12s ease,box-shadow .12s ease;
	min-width:140px;
}
.top-actions select#lang-select:focus{outline:none;transform:translateY(-2px);box-shadow:0 14px 36px rgba(6,86,81,0.12)}
.top-actions .lang-select-wrapper::after{
	content:"";
	position:absolute;
	right:12px;
	top:50%;
	width:14px;
	height:14px;
	transform:translateY(-50%);
	pointer-events:none;
	background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'><path fill='%230b8b7c' d='M7 10l5 5 5-5z'/></svg>");
	background-repeat:no-repeat;background-size:14px 14px;
}
.top-actions select#lang-select option{padding:8px 12px}

/* Custom scrollbar for dropdown on WebKit (some browsers only) */
select#lang-select::-webkit-scrollbar{width:8px}
select#lang-select::-webkit-scrollbar-track{background:#f6faf9;border-radius:8px}
select#lang-select::-webkit-scrollbar-thumb{background:#cfe9e5;border-radius:8px}

/* user dropdown */
.user-dropdown{position:relative}
.user-btn{background:#f6faf9;padding:8px 14px;border-radius:20px;border:0;color:#0b8b7c;font-weight:700;cursor:pointer}
.user-menu{position:absolute;right:0;top:48px;width:220px;background:#fff;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,0.12);padding:12px;display:none;z-index:40}
.user-menu[aria-hidden="false"]{display:block}
.user-info-row{display:flex;flex-direction:column;padding-bottom:8px;border-bottom:1px solid #f0f6f5}
.user-name{font-weight:700;color:#175c55}
.user-phone{padding:10px 0;color:#6e9a95;font-weight:600}
.user-actions{display:flex;justify-content:flex-end}
.logout-small{background:#e74c3c;border:0;padding:8px 12px;border-radius:8px;cursor:pointer;color:#fff}

/* Dashboard grid */
.dashboard-grid{display:flex;flex-direction:column;gap:18px}
.courses-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.panel{background:#fff;padding:18px;border-radius:8px;box-shadow:0 14px 30px rgba(9,99,92,0.04)}
.panel.light{background:#fbfcfc}
.panel h3,.panel h4{margin:0 0 12px;color:#275b55}
.panel-meta{float:right;color:#98b6b2;font-weight:600;font-size:13px}
.progress{height:8px;background:#eef6f5;border-radius:8px;overflow:hidden;margin-bottom:12px}
.progress-bar{height:100%;background:linear-gradient(90deg,#0ea08f,#0a8a7a)}
.module-list{list-style:none;padding:0;margin:0}
.module-list li{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-top:1px solid #f0f6f5}
.module-list li:first-child{border-top:none}
.num{background:#f1f6f5;color:#2b5d56;border-radius:6px;padding:6px 8px;margin-right:12px;font-weight:700}
.badge{background:#e9f8f5;color:#0a7b6f;padding:6px 8px;border-radius:6px;font-weight:700}
.badge.green{background:#1db07a;color:#fff}
.locked{color:#99bdb9;font-weight:600}

.certs{display:none}
.btn.small{padding:10px 14px;border-radius:8px;border:none}
.btn.blue{background:#00a5c7;color:#fff}
.btn.purple{background:#7b6bff;color:#fff}
.btn.teal{background:#25c5b8;color:#fff}

/* Courses page */
.courses-page .panel.header{background:#fff;padding:18px;border-radius:10px;margin-bottom:18px}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
/* Make questions column span all columns on wide screens too so question panels are full-width */
.course-grid > .questions-column { grid-column: 1 / -1; width:100%; }
.questions-column .panel { width:100%; box-sizing:border-box; }
.course-card{background:#fff;border-radius:12px;box-shadow:0 8px 26px rgba(17,82,77,0.06);display:flex;overflow:hidden;align-items:stretch;transition:transform .18s ease,box-shadow .18s ease}
.course-card.locked{opacity:0.5}
.course-card:hover{transform:translateY(-8px);box-shadow:0 26px 50px rgba(17,82,77,0.10)}
.course-card{position:relative}
.course-card.locked::after{content:"\1F512"; /* lock emoji */
    	position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);font-size:36px;color:#9fbfbb;opacity:0.9}
.course-card .card-left{width:10px;background:linear-gradient(180deg,#0ea08f,#0a8a7a)}
.course-card .card-body{padding:18px;flex:1}
.course-title{margin:0 0 8px;color:#175c55}
.course-meta{font-size:12px;color:#98b6b2}
.course-status{margin-top:8px;color:#0b8b7c;font-weight:700}
.card-actions{margin-top:14px}
.card-actions .btn.view{background:linear-gradient(90deg,#0ea08f,#0a8a7a);color:#fff;padding:10px 16px;border-radius:10px;text-decoration:none;box-shadow:0 10px 28px rgba(14,160,143,0.12)}
.card-actions .btn.disabled{background:#fff;border:1px solid #f0f6f5;color:#99bdb9;padding:10px 16px;border-radius:8px}

@media (max-width:1100px){
	.course-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
	.course-grid{grid-template-columns:1fr}
}


/* Force left alignment for all module/course content on dashboard */
.course-card, .course-card .card-body, .course-title, .course-meta, .card-actions, .module-card, .module-card .module-header, .module-card .module-header h3, .module-list, .module-list li, .panel { text-align: left !important; }
.course-card { align-items: flex-start !important; }
.module-card .module-header { align-items: flex-start; }
.card-actions { display:block; }
/* exams reuse course styles; adjust spacing if needed */
.exam-grid .course-card{min-height:120px}

/* Semester/module page styles */
.semester-page .panel.header{background:transparent;padding:6px 0 18px;margin-bottom:8px}
.module-card{display:flex;flex-direction:column;gap:12px;background:#fff;padding:18px;border-radius:12px;box-shadow:0 12px 30px rgba(6,86,81,0.04);margin-bottom:20px}
.module-header{display:flex;justify-content:space-between;align-items:center;padding:0 6px}
.module-card .module-header h3{margin:0;color:#0f5b53;font-weight:800;font-size:20px}
.module-card .module-header .meta{color:#6f9f98;font-weight:600;font-size:13px}
.module-video{width:100%;border-radius:10px;overflow:hidden;background:linear-gradient(180deg,#fbfffe,#f3f8f7)}
.video-frame{position:relative;padding-top:50%;height:0}
.video-frame iframe{position:absolute;left:0;top:0;width:100%;height:100%}
.module-card .muted{padding:18px;color:#7f9d96}

/* Back button design (reusable) */
.back-btn-design{display:inline-flex;align-items:center;gap:12px;padding:10px 14px;border-radius:12px;background:linear-gradient(90deg,#07a08a,#076b62);color:#ffffff!important;text-decoration:none;font-weight:800;box-shadow:0 10px 30px rgba(4,45,42,0.12);border:1px solid rgba(255,255,255,0.08);transition:transform .14s ease,box-shadow .14s ease}
.back-btn-design .back-circle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,0.12);font-weight:900;box-shadow:inset 0 -6px 12px rgba(0,0,0,0.06)}
.back-btn-design .back-text{font-size:0.98rem;letter-spacing:0.2px}
.back-btn-design:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(4,45,42,0.18)}
.back-btn-design:focus{outline:0;box-shadow:0 0 0 4px rgba(7,160,138,0.12)}
.back-btn-design.small{padding:6px 8px}
.back-btn-design.small .back-circle{width:30px;height:30px}

@media (max-width:640px){
	.back-btn-design{padding:6px 10px}
	.back-btn-design .back-circle{width:30px;height:30px}
}

/* Locked preview styling - matches video-frame dimensions */
.locked-preview{padding:0;margin:0}
.locked-preview .preview-thumb{position:relative;padding-top:50%;height:0;border-radius:10px;overflow:hidden;background:linear-gradient(180deg,#eaf7f4,#f6fbfa);display:block}
.locked-preview .preview-thumb .preview-img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;display:block;filter:blur(6px);opacity:0.5;transform:scale(1.02);z-index:1}
.locked-preview .preview-thumb .preview-placeholder{position:absolute;left:0;top:0;width:100%;height:100%;background:linear-gradient(90deg,#dfeff0,#eef8f6)}
.locked-preview .preview-overlay{position:absolute;left:0;right:0;top:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px;gap:6px;text-align:center;z-index:2;background:transparent}
.locked-preview .preview-overlay .preview-icon{width:72px;height:72px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#ffffff,#f6f6f6);color:#c76b2b;font-size:32px;box-shadow:0 10px 30px rgba(2,40,36,0.08)}
.locked-preview .preview-overlay .preview-label{color:#fff;font-weight:900;margin-top:6px;text-shadow:0 8px 24px rgba(0,0,0,0.35);font-size:20px}
.locked-preview .preview-overlay .preview-sub{color:rgba(255,255,255,0.95);font-size:0.95rem;opacity:0.95;margin-top:6px}

/* Primary action (Attend Exam) and mark complete button */
.btn-start{display:inline-block;padding:10px 14px;border-radius:10px;background:linear-gradient(90deg,#0ea08f,#0a8a7a);color:#fff;text-decoration:none;font-weight:800;box-shadow:0 8px 20px rgba(10,128,114,0.12);border:0}
.btn-start:hover{transform:translateY(-3px)}
.btn-start.mark-complete{display:none !important}

/* small screens: stack module card */
@media (max-width:900px){
	.module-card{flex-direction:column}
	.module-video{width:100%;max-width:100%;height:auto}
}

/* responsive */
@media (max-width:900px){
	.courses-row{grid-template-columns:1fr}
	.side-nav{display:none}
}

/* --- Login page full-screen style (matches provided screenshot) --- */
.login-page .side-nav{display:none}
.login-page .topbar{display:none}
.login-page .main-area{padding:0;background:linear-gradient(90deg,#0f9b8b 0%, #168b84 100%);min-height:100vh;display:grid;place-items:center}
.login-page .content{width:100%;max-width:820px;padding:0;display:flex;align-items:center;justify-content:center}
.login-page .login-wrap{width:420px;margin:0}
.login-page .login-card{width:100%;border-radius:12px;padding:32px 36px;background:#fff;box-shadow:0 30px 60px rgba(6,86,81,0.12)}
.login-page .login-logo{width:96px;height:96px;margin:0 auto 18px;border-radius:12px;background:#fff;display:inline-block}
.login-page .title{color:#0b8b7c;font-size:20px}
.login-page .input input{padding:14px 16px;border-radius:12px;border:1px solid #e6eceb}
.login-page .btn{background:linear-gradient(180deg,#0e8f83,#0a7b6f);box-shadow:0 12px 30px rgba(9,99,92,0.18)}
.login-page .page-title{display:none}
.login-page .app-shell{background:transparent}

/* narrow small-screen variant to mimic the second screenshot */
@media (max-width:900px){
	.login-page .main-area{padding:20px}
	.login-page .content{padding:24px}
}