/* ===== Modal chọn gói thành viên (Free/VIP/PRO) - Mac OS style ===== */
.elc-membership, .elc-membership * { box-sizing: border-box; }

.elc-membership { text-align: center; }

.elc-membership-trigger {
	display: inline-flex; align-items: center; justify-content: center;
	min-height: 46px; padding: 10px 26px; border: 0; border-radius: 999px;
	background: linear-gradient(180deg, #4b8ede, #367fcf); color: #fff;
	font: 700 15px/1 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	cursor: pointer; box-shadow: 0 6px 18px rgba(54, 127, 207, .28);
}
.elc-membership-trigger:hover { background: linear-gradient(180deg, #5a9be6, #2f78ca); }

.elc-membership-modal[hidden] { display: none !important; }
.elc-membership-modal {
	position: fixed; inset: 0; z-index: 2147483000; display: flex;
	align-items: center; justify-content: center; padding: 24px;
	font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	opacity: 0; transition: opacity .2s ease; text-align: left;
}
.elc-membership-modal.is-open { opacity: 1; }
.elc-membership-backdrop { position: absolute; inset: 0; background: rgba(17, 24, 39, .45); }
.elc-membership-dialog {
	position: relative; width: min(1060px, 100%); max-height: calc(100vh - 48px);
	overflow-y: auto; padding: 32px 30px; border-radius: 20px; background: #f5f7fa;
	box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
}
.elc-membership-close {
	position: absolute; top: 14px; right: 18px; width: 34px; height: 34px;
	border: 0; border-radius: 50%; background: #e7ebf0; color: #3d485a;
	font: 300 26px/1 Inter, sans-serif; cursor: pointer;
}
.elc-membership-close:hover { background: #dbe2ea; }
.elc-membership-title { margin: 0 0 22px; font-size: 24px; letter-spacing: -.02em; text-align: center; color: #17233b; }
.elc-membership-upgrade-note { margin: -12px 0 18px; text-align: center; color: #c0392b; font-size: 14px; font-weight: 600; }

.elc-membership-plans-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.elc-membership-plan {
	display: flex; flex-direction: column; padding: 24px 20px; border: 1px solid #e3e9f0;
	border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(30, 55, 85, .05);
}
.elc-membership-plan-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.elc-membership-plan-head strong { font-size: 20px; color: #17233b; }
.elc-membership-badge {
	padding: 2px 10px; border-radius: 999px; background: #eef6ff; color: #367fcf;
	font-size: 12px; font-weight: 700;
}
.elc-membership-plan-desc { margin: 0 0 12px; color: #6d7a90; font-size: 14px; }
.elc-membership-benefits { margin: 0 0 18px; padding: 0; list-style: none; }
.elc-membership-benefits li {
	position: relative; padding: 5px 0 5px 22px; color: #3d485a; font-size: 14px; line-height: 1.5;
}
.elc-membership-benefits li.is-locked { text-decoration: line-through; color: #a0a9b8; }
.elc-membership-benefits li::before { content: "✓"; position: absolute; left: 0; color: #2e9e5b; font-weight: 700; }

.elc-membership-step-label { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 700; color: #8793a4; text-transform: uppercase; letter-spacing: .04em; }
.elc-membership-modules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 16px; }
.elc-membership-module-btn {
	min-height: 40px; padding: 8px 10px; border: 1px solid #dce3eb; border-radius: 10px;
	background: #fff; color: #3d485a; font: 600 13px/1.2 Inter, sans-serif; cursor: pointer;
}
.elc-membership-module-btn.is-selected { border-color: #4b8ede; background: #ebf7ff; color: #367fcf; }

.elc-membership-durations { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 18px; }
.elc-membership-duration-btn {
	display: flex; flex-direction: column; align-items: center; gap: 2px;
	padding: 10px 8px; border: 1px solid #dce3eb; border-radius: 12px;
	background: #fff; color: #3d485a; font: 600 13px/1.2 Inter, sans-serif; cursor: pointer;
}
.elc-membership-duration-btn .elc-membership-price { color: #8793a4; font-size: 12px; font-weight: 500; }
.elc-membership-duration-btn.is-selected { border-color: #4b8ede; background: #ebf7ff; color: #367fcf; }
.elc-membership-duration-btn.is-selected .elc-membership-price { color: #367fcf; }

.elc-membership-plan-footer { margin-top: auto; }
.elc-membership-btn {
	display: block; width: 100%; min-height: 44px; padding: 10px 16px; border: 0;
	border-radius: 12px; color: #fff; font: 700 15px/1 Inter, sans-serif; cursor: pointer;
}
.elc-membership-btn:disabled { opacity: .5; cursor: not-allowed; }

/* Footer gói VIP/PRO: nút giỏ hàng (icon) + nút "Thanh toán" nằm cạnh nhau. */
.elc-membership-plan-footer.is-purchase { display: flex; align-items: stretch; gap: 10px; }
.elc-membership-cart-btn {
	flex: none; width: 46px; min-height: 44px;
	display: inline-flex; align-items: center; justify-content: center;
	border: 1px solid #dce3eb; border-radius: 12px;
	background: #fff; color: #367fcf; cursor: pointer;
}
.elc-membership-cart-btn:hover { background: #ebf7ff; }
.elc-membership-cart-btn:disabled { opacity: .5; cursor: not-allowed; }
.elc-membership-cart-btn .elc-membership-cart-icon { width: 20px; height: 20px; }
.elc-membership-checkout {
	flex: 1; min-width: 0;
	display: flex; align-items: center; justify-content: center; gap: 8px;
}
.elc-membership-cart-toast {
	position: fixed; bottom: 32px; left: 50%; transform: translate(-50%, 20px);
	padding: 12px 22px; border-radius: 999px; background: #17233b; color: #fff;
	font: 600 14px/1 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	box-shadow: 0 12px 30px rgba(0, 0, 0, .3); opacity: 0; z-index: 2147483100;
	transition: opacity .25s ease, transform .25s ease; pointer-events: none;
}
.elc-membership-cart-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.elc-membership-error { padding: 30px; text-align: center; color: #8793a4; }

body.elc-membership-open { overflow: hidden !important; }

/* Các chỗ khoá (span) trở thành clickable để mở modal nâng cấp. */
.elc-ielts-locked, .elc-sach-toc-lock, .elc-d-test-btn-locked, .elc-vocab-acc-lock { cursor: pointer; }

@media (max-width: 860px) {
	.elc-membership-plans-grid { grid-template-columns: 1fr; }
}