/* Smart AI Test Generator — Public styles (Blue & White, responsive) */

.es-app {
	--es-primary: #1c64f2;
	--es-primary-dark: #123a6b;
	--es-bg: #f4f8ff;
	--es-border: #dbe4f0;
	--es-text: #1a2b47;
	max-width: 960px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	color: var(--es-text);
}

.es-loading-screen {
	display: flex;
	justify-content: center;
	padding: 60px 0;
}

.es-spinner {
	width: 36px;
	height: 36px;
	border: 4px solid var(--es-border);
	border-top-color: var(--es-primary);
	border-radius: 50%;
	animation: es-spin 0.8s linear infinite;
}

@keyframes es-spin {
	to { transform: rotate(360deg); }
}

.es-card {
	background: #fff;
	border: 1px solid var(--es-border);
	border-radius: 10px;
	padding: 28px;
	box-shadow: 0 2px 10px rgba(16, 40, 80, 0.06);
}

.es-center-card {
	max-width: 460px;
	margin: 40px auto;
}

.es-form {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.es-form label {
	font-size: 13px;
	font-weight: 600;
	margin-top: 10px;
	color: var(--es-primary-dark);
}

.es-form input,
.es-form select,
.es-form textarea {
	padding: 10px 12px;
	border: 1px solid var(--es-border);
	border-radius: 6px;
	font-size: 14px;
}

.es-form-msg {
	min-height: 18px;
	font-size: 13px;
}

.es-form-alt-link {
	text-align: center;
	font-size: 13px;
	margin-top: 8px;
}

.es-form-alt-link a {
	color: var(--es-primary);
	text-decoration: none;
}

.es-btn {
	display: inline-block;
	padding: 10px 20px;
	border-radius: 6px;
	border: none;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	margin-top: 14px;
}

.es-btn-primary {
	background: var(--es-primary);
	color: #fff;
}

.es-btn-primary:hover {
	background: var(--es-primary-dark);
}

.es-btn-ghost {
	background: #fff;
	color: var(--es-primary);
	border: 1px solid var(--es-primary);
}

.es-btn-danger {
	background: #d92d20;
	color: #fff;
}

/* Dashboard */

.es-dashboard-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 20px;
}

.es-header-actions {
	display: flex;
	gap: 10px;
}

.es-cards-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
	gap: 14px;
	margin-bottom: 24px;
}

.es-stat-card {
	background: #fff;
	border: 1px solid var(--es-border);
	border-left: 4px solid var(--es-primary);
	border-radius: 8px;
	padding: 14px 16px;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.es-stat-label {
	font-size: 11px;
	text-transform: uppercase;
	color: #5b7297;
	letter-spacing: 0.03em;
}

.es-stat-value {
	font-size: 22px;
	font-weight: 700;
	color: var(--es-primary-dark);
}

.es-panel-block {
	background: #fff;
	border: 1px solid var(--es-border);
	border-radius: 8px;
	padding: 20px;
	margin-bottom: 20px;
}

.es-table {
	width: 100%;
	border-collapse: collapse;
}

.es-table th,
.es-table td {
	text-align: left;
	padding: 8px 10px;
	border-bottom: 1px solid var(--es-border);
	font-size: 14px;
}

/* Wizard */

.es-wizard-steps {
	display: flex;
	gap: 20px;
	margin-bottom: 20px;
}

.es-step {
	font-weight: 600;
	color: #9fb0c9;
}

.es-step.active {
	color: var(--es-primary);
}

.es-choice {
	display: block;
	padding: 10px 14px;
	border: 1px solid var(--es-border);
	border-radius: 6px;
	margin-bottom: 8px;
	cursor: pointer;
}

.es-choice:hover {
	background: var(--es-bg);
}

/* Quiz */

.es-quiz-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 16px;
}

.es-timer {
	font-size: 20px;
	font-weight: 700;
	color: #d92d20;
	background: #fef1f1;
	padding: 6px 14px;
	border-radius: 6px;
}

.es-quiz-body {
	display: grid;
	grid-template-columns: 1fr 220px;
	gap: 20px;
}

.es-quiz-question-area {
	background: #fff;
	border: 1px solid var(--es-border);
	border-radius: 8px;
	padding: 24px;
}

.es-quiz-option {
	display: block;
	padding: 12px 16px;
	border: 1px solid var(--es-border);
	border-radius: 6px;
	margin-bottom: 10px;
	cursor: pointer;
}

.es-quiz-option:hover {
	background: var(--es-bg);
}

.es-quiz-nav {
	display: flex;
	gap: 10px;
	margin-top: 20px;
	flex-wrap: wrap;
}

.es-quiz-palette {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 6px;
	align-content: flex-start;
	background: #fff;
	border: 1px solid var(--es-border);
	border-radius: 8px;
	padding: 14px;
}

.es-palette-btn {
	padding: 8px 0;
	border: 1px solid var(--es-border);
	border-radius: 4px;
	background: #fff;
	cursor: pointer;
	font-size: 13px;
}

.es-palette-btn.answered {
	background: #e3f6e8;
	border-color: #16743b;
}

.es-palette-btn.current {
	border-color: var(--es-primary);
	box-shadow: 0 0 0 2px rgba(28, 100, 242, 0.25);
}

/* Results */

.es-results-summary {
	background: #fff;
	border: 1px solid var(--es-border);
	border-radius: 8px;
	padding: 20px;
	margin-bottom: 20px;
	text-align: center;
}

.es-result-badge {
	display: inline-block;
	padding: 6px 20px;
	border-radius: 20px;
	font-weight: 700;
	margin-bottom: 10px;
}

.es-result-badge.pass {
	background: #e3f6e8;
	color: #16743b;
}

.es-result-badge.fail {
	background: #fde8e8;
	color: #ab1e1e;
}

.es-review-item {
	background: #fff;
	border: 1px solid var(--es-border);
	border-left: 4px solid #9fb0c9;
	border-radius: 6px;
	padding: 14px 18px;
	margin-bottom: 12px;
}

.es-review-item.correct {
	border-left-color: #16743b;
}

.es-review-item.wrong {
	border-left-color: #ab1e1e;
}

.es-review-item.skipped {
	border-left-color: #ab7a1e;
}

.es-explanation {
	margin-top: 8px;
	font-size: 13px;
	color: #4a5b78;
}

/* Membership */

.es-plans-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 16px;
}

.es-plan-card {
	background: #fff;
	border: 1px solid var(--es-border);
	border-radius: 8px;
	padding: 20px;
	text-align: center;
}

.es-plan-price {
	font-size: 24px;
	font-weight: 700;
	color: var(--es-primary-dark);
	margin: 8px 0;
}

.es-plan-duration {
	font-size: 12px;
	color: #5b7297;
	margin-bottom: 10px;
}

.es-bank-box {
	background: var(--es-bg);
	border: 1px dashed var(--es-primary);
	border-radius: 8px;
	padding: 16px;
	margin: 14px 0;
	font-size: 14px;
}

.es-bank-box p {
	margin: 4px 0;
}

@media (max-width: 700px) {
	.es-quiz-body {
		grid-template-columns: 1fr;
	}
	.es-quiz-palette {
		grid-template-columns: repeat(8, 1fr);
	}
	.es-dashboard-header {
		flex-direction: column;
		align-items: flex-start;
	}
}

/* My Courses (unified dashboard) */

.es-courses-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 14px;
}

.es-course-progress-card {
	background: #fff;
	border: 1px solid var(--es-border);
	border-radius: 8px;
	padding: 14px 16px;
}

.es-course-progress-card h4 {
	margin: 0 0 10px;
	font-size: 15px;
	color: var(--es-primary-dark);
}

.es-progress-track {
	background: var(--es-bg);
	border-radius: 4px;
	overflow: hidden;
	height: 10px;
	margin-bottom: 6px;
}

.es-progress-fill {
	background: linear-gradient(90deg, var(--es-primary), #4d8dfb);
	height: 100%;
}

.es-progress-label {
	font-size: 12px;
	color: #5b7297;
}

/* ============================================================
 * v1.1.0 — SaaS experience layer: modals, header, hub, gamification
 * ============================================================ */

/* ---- Modal system ---- */

.es-modal-overlay {
	position: fixed; inset: 0; background: rgba(15, 23, 42, 0.55);
	backdrop-filter: blur(2px);
	opacity: 0; visibility: hidden; transition: opacity 0.18s ease;
	z-index: 9998;
}
.es-modal-overlay.es-modal-open { opacity: 1; visibility: visible; }

.es-modal {
	position: fixed; top: 50%; left: 50%;
	transform: translate(-50%, -48%);
	background: #fff; border-radius: 14px; padding: 32px;
	width: 92%; max-width: 440px; max-height: 88vh; overflow-y: auto;
	box-shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
	opacity: 0; visibility: hidden; pointer-events: none;
	transition: opacity 0.18s ease, transform 0.18s ease;
	z-index: 9999;
}
.es-modal.es-modal-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, -50%); }
.es-modal-sm { max-width: 360px; text-align: center; }
.es-modal-md { max-width: 560px; }

.es-modal-close {
	position: absolute; top: 14px; right: 16px;
	background: none; border: none; font-size: 22px; line-height: 1;
	cursor: pointer; color: #9fb0c9;
}
.es-modal-close:hover { color: var(--es-primary-dark); }
.es-modal-context-msg { font-size: 13px; color: #5b7297; margin-top: -6px; margin-bottom: 6px; }

.es-modal-alert-icon { font-size: 36px; text-align: center; margin-bottom: 4px; }
.es-modal-alert-title { text-align: center; margin: 4px 0; }
.es-modal-alert-body { text-align: center; color: #4a5b78; }

.es-qi-meta { display: flex; gap: 14px; flex-wrap: wrap; margin: 10px 0 16px; font-size: 13px; color: #4a5b78; }
.es-qi-body { font-size: 14px; color: #4a5b78; margin-bottom: 18px; }
.es-qi-actions { display: flex; gap: 10px; }

/* ---- Header status / dropdown ---- */

.es-floating-header {
	position: sticky; top: 0; z-index: 500;
	display: flex; justify-content: flex-end; align-items: center;
	padding: 8px 20px; background: #fff; border-bottom: 1px solid var(--es-border);
}

.es-header-status { display: flex; align-items: center; gap: 8px; }
.es-btn-sm { padding: 6px 14px; margin-top: 0; font-size: 13px; }

.es-header-user { position: relative; }
.es-user-trigger {
	display: flex; align-items: center; gap: 8px;
	background: none; border: 1px solid var(--es-border); border-radius: 30px;
	padding: 4px 12px 4px 4px; cursor: pointer;
}
.es-avatar-sm { width: 28px; height: 28px; border-radius: 50%; }
.es-avatar-md { width: 44px; height: 44px; border-radius: 50%; }
.es-user-trigger-name { font-size: 13px; font-weight: 600; color: var(--es-primary-dark); }
.es-level-chip { font-size: 11px; background: var(--es-bg); color: var(--es-primary); padding: 2px 8px; border-radius: 10px; font-weight: 700; }
.es-caret { font-size: 10px; color: #9fb0c9; }

.es-user-dropdown {
	position: absolute; top: calc(100% + 8px); right: 0;
	background: #fff; border: 1px solid var(--es-border); border-radius: 10px;
	box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
	min-width: 220px; padding: 10px 0;
	opacity: 0; visibility: hidden; transform: translateY(-6px);
	transition: opacity 0.15s ease, transform 0.15s ease;
	z-index: 600;
}
.es-header-user.es-open .es-user-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.es-user-dropdown-head { display: flex; gap: 10px; align-items: center; padding: 4px 16px 12px; border-bottom: 1px solid var(--es-border); margin-bottom: 6px; }
.es-user-dropdown-email { font-size: 12px; color: #9fb0c9; }
.es-user-dropdown a { display: block; padding: 9px 16px; font-size: 14px; color: #1a2b47; text-decoration: none; }
.es-user-dropdown a:hover { background: var(--es-bg); }

/* ---- Quiz & MCQ Hub ---- */

.es-hub-header { text-align: center; margin-bottom: 20px; }
.es-hub-filters {
	display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
	background: #fff; border: 1px solid var(--es-border); border-radius: 10px;
	padding: 14px; margin-bottom: 20px;
}
.es-hub-search { flex: 1 1 220px; padding: 9px 12px; border: 1px solid var(--es-border); border-radius: 6px; }
.es-hub-filter { padding: 8px 10px; border: 1px solid var(--es-border); border-radius: 6px; font-size: 13px; }
.es-hub-checkbox { display: flex; align-items: center; gap: 6px; font-size: 13px; }

.es-hub-grid {
	display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px;
}
.es-hub-loading, .es-hub-empty { grid-column: 1 / -1; text-align: center; color: #9fb0c9; padding: 40px 0; }

.es-hub-card {
	background: #fff; border: 1px solid var(--es-border); border-radius: 12px; overflow: hidden;
	display: flex; flex-direction: column; transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.es-hub-card:hover { box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08); transform: translateY(-2px); }
.es-hub-card-img { width: 100%; height: 130px; object-fit: cover; }
.es-hub-card-img-placeholder {
	display: flex; align-items: center; justify-content: center; font-size: 36px;
	background: linear-gradient(135deg, var(--es-bg), #eef2ff);
}
.es-hub-card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.es-hub-card-body h4 { margin: 0; font-size: 16px; color: var(--es-primary-dark); }
.es-hub-card-body p { margin: 0; font-size: 13px; color: #5b7297; flex: 1; }

.es-hub-badge {
	display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 10px;
	border-radius: 12px; width: fit-content; text-transform: uppercase; letter-spacing: 0.03em;
}
.es-hub-badge-class_quiz { background: #e0edff; color: var(--es-primary); }
.es-hub-badge-practice_exam { background: #fff0da; color: #b06a00; }
.es-hub-badge-premium { background: #fde8e8; color: #ab1e1e; margin-left: 6px; }

.es-hub-card-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 12px; color: #5b7297; }
.es-diff { text-transform: capitalize; padding: 1px 8px; border-radius: 8px; }
.es-diff-easy { background: #e3f6e8; color: #16743b; }
.es-diff-medium { background: #fff4da; color: #a3720a; }
.es-diff-hard { background: #fde8e8; color: #ab1e1e; }

.es-hub-pagination { display: flex; justify-content: center; gap: 6px; margin-top: 24px; }
.es-hub-page-btn { padding: 6px 12px; border: 1px solid var(--es-border); background: #fff; border-radius: 6px; cursor: pointer; }
.es-hub-page-btn.es-active { background: var(--es-primary); color: #fff; border-color: var(--es-primary); }

/* ---- Gamification ---- */

.es-gamification-row { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 10px; }
.es-gami-stat { display: flex; align-items: center; gap: 6px; font-weight: 700; color: var(--es-primary-dark); }
.es-gami-icon { font-size: 18px; }

.es-xp-bar-track { background: var(--es-bg); border-radius: 6px; height: 10px; overflow: hidden; margin-bottom: 12px; }
.es-xp-bar-fill { background: linear-gradient(90deg, #ffb703, #fb8500); height: 100%; transition: width 0.4s ease; }

.es-badges-row { display: flex; gap: 8px; flex-wrap: wrap; }
.es-badge-chip { background: var(--es-bg); border: 1px solid var(--es-border); border-radius: 20px; padding: 5px 12px; font-size: 12px; font-weight: 600; }
.es-badge-empty { color: #9fb0c9; font-size: 13px; }

.es-leaderboard-list { padding-left: 20px; margin: 0; }
.es-leaderboard-list li { padding: 6px 0; font-size: 14px; }
.es-leaderboard-empty { list-style: none; margin-left: -20px; color: #9fb0c9; }