.ace-sd{--ink:#111216;--muted:#70747e;--line:rgba(17,18,22,.09);--panel:rgba(255,255,255,.82);--violet:#7657d9;--violet2:#9a7cff;--violet-soft:#f1edff;--graphite:#1a1b20;max-width:1240px;margin:0 auto;padding:18px 20px 56px;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",sans-serif;color:var(--ink);letter-spacing:-.012em}.ace-sd *{box-sizing:border-box}.ace-sd-topbar{height:48px;display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.ace-sd-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:750}.ace-sd-brand-mark{width:28px;height:28px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,#0d0e11,#51465f);box-shadow:0 7px 18px rgba(16,15,20,.18);font-size:11px;font-weight:850}.ace-sd-account{font-size:11px;color:#777b85;text-decoration:none}.ace-sd-account:hover{color:var(--ink)}.ace-sd-hero{position:relative;overflow:hidden;display:flex;align-items:flex-end;justify-content:space-between;gap:28px;min-height:205px;padding:34px 38px;border:1px solid rgba(255,255,255,.82);border-radius:28px;background:radial-gradient(circle at 90% 5%,rgba(130,94,224,.19),transparent 29%),radial-gradient(circle at 70% 100%,rgba(38,31,48,.08),transparent 33%),linear-gradient(135deg,#f8f8fa,#eeeef2 55%,#f3f0fa);box-shadow:0 20px 65px rgba(22,20,27,.09),0 7px 25px rgba(92,66,140,.06),inset 0 1px 0 #fff;margin-bottom:16px}.ace-sd-eyebrow,.ace-sd-kicker{font-size:9px;letter-spacing:.15em;font-weight:850;color:#7a7e88}.ace-sd h1{font-size:clamp(31px,4vw,48px);line-height:1.02;margin:8px 0 11px;letter-spacing:-.05em;font-weight:720}.ace-sd-hero p{margin:0;color:#686c76;max-width:610px;font-size:13px;line-height:1.55}.ace-sd-grade-pill{flex:none;min-width:140px;padding:12px 15px;border:1px solid rgba(255,255,255,.9);border-radius:16px;background:rgba(255,255,255,.62);backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(27,25,33,.08)}.ace-sd-grade-pill span{display:block;color:#7c8089;font-size:9px;margin-bottom:3px}.ace-sd-grade-pill strong{font-size:16px}.ace-sd-manager,.ace-sd-library{position:relative;background:var(--panel);border:1px solid rgba(17,18,22,.075);border-radius:22px;box-shadow:0 11px 42px rgba(18,18,23,.055),0 3px 12px rgba(102,73,153,.035);backdrop-filter:blur(22px);margin-bottom:16px}.ace-sd-manager{padding:22px 24px;z-index:20}.ace-sd-manager-head,.ace-sd-section-head{display:flex;align-items:center;justify-content:space-between;gap:18px}.ace-sd-manager-head{margin-bottom:18px}.ace-sd-manager h2,.ace-sd-library h2{font-size:22px;line-height:1.1;letter-spacing:-.03em;margin:4px 0 5px}.ace-sd-manager-head p{font-size:11px;color:var(--muted);margin:0}.ace-sd-manager.is-collapsed .ace-sd-manager-body{display:none}.ace-sd-manager.is-collapsed{padding-bottom:17px}.ace-sd-manager.is-collapsed .ace-sd-manager-head{margin-bottom:0}.ace-sd-selector-grid{display:grid;grid-template-columns:minmax(170px,.33fr) minmax(350px,1fr);gap:13px}.ace-sd-control label{display:block;font-size:10px;font-weight:800;color:#555962;margin:0 0 6px 2px}.ace-sd-native-select,.ace-sd-multiselect{position:relative}.ace-sd-native-select:after{content:"";position:absolute;right:15px;top:16px;width:7px;height:7px;border-right:1.5px solid #666a73;border-bottom:1.5px solid #666a73;transform:rotate(45deg);pointer-events:none}.ace-sd-native-select select,.ace-sd-select-trigger{width:100%;height:44px;border:1px solid rgba(17,18,22,.11);border-radius:13px;background:rgba(248,248,250,.94);color:#17181c;font-size:13px;font-weight:650;padding:0 38px 0 13px;outline:none;box-shadow:inset 0 1px 0 #fff,0 2px 9px rgba(18,18,23,.025);appearance:none}.ace-sd-native-select select:focus,.ace-sd-select-trigger:focus{border-color:rgba(118,87,217,.55);box-shadow:0 0 0 4px rgba(118,87,217,.09)}.ace-sd-select-trigger{display:flex;align-items:center;justify-content:space-between;text-align:left;cursor:pointer}.ace-sd-select-trigger .ace-sd-chevron{width:7px;height:7px;border-right:1.5px solid #666a73;border-bottom:1.5px solid #666a73;transform:rotate(45deg);margin-right:3px}.ace-sd-select-trigger[aria-expanded=true]{border-color:rgba(118,87,217,.45);box-shadow:0 0 0 4px rgba(118,87,217,.07),0 9px 25px rgba(91,62,153,.07)}.ace-sd-dropdown{position:absolute;z-index:30;left:0;right:0;top:51px;background:rgba(255,255,255,.985);border:1px solid rgba(17,18,22,.10);border-radius:17px;padding:9px;box-shadow:0 26px 65px rgba(15,14,19,.17),0 10px 25px rgba(102,73,153,.09);backdrop-filter:blur(25px);animation:aceDrop .14s ease-out}.ace-sd-dropdown[hidden]{display:none}@keyframes aceDrop{from{opacity:0;transform:translateY(-5px) scale(.992)}to{opacity:1;transform:none}}.ace-sd-dropdown-tools{padding:2px 2px 8px}.ace-sd-search-wrap{position:relative}.ace-sd-search-icon{position:absolute;left:11px;top:7px;color:#898d96;font-size:17px;line-height:1}.ace-sd-subject-search{width:100%;height:34px;border:1px solid #e3e4e8;border-radius:10px;background:#f7f7f9;padding:0 10px 0 30px;font-size:12px;outline:none}.ace-sd-subject-search:focus{border-color:rgba(118,87,217,.45);box-shadow:0 0 0 3px rgba(118,87,217,.07)}.ace-sd-tool-row{display:flex;align-items:center;gap:7px;padding:8px 3px 2px}.ace-sd-tool-count{margin-right:auto;color:#81858e;font-size:9px;font-weight:700}.ace-sd-select-all,.ace-sd-clear{border:0;background:transparent;color:#6c4fd1;font-size:10px;font-weight:800;cursor:pointer;padding:3px 5px}.ace-sd-clear{color:#7d818a}.ace-sd-option-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;max-height:280px;overflow:auto;padding:1px 2px 2px}.ace-sd-option{display:flex;align-items:center;gap:9px;min-height:40px;padding:8px 9px;border-radius:10px;cursor:pointer;color:#25262b;font-size:12px;transition:background .14s ease,box-shadow .14s ease}.ace-sd-option:hover{background:#f5f3fa}.ace-sd-option.is-filtered{display:none}.ace-sd-option input{position:absolute;opacity:0;pointer-events:none}.ace-sd-option-box{width:18px;height:18px;border:1.4px solid #b8bac1;border-radius:5px;background:#fff;flex:none;box-shadow:inset 0 1px 2px rgba(0,0,0,.04);position:relative}.ace-sd-option input:checked+.ace-sd-option-box{border-color:#6f50cf;background:linear-gradient(145deg,#6f50cf,#9275e7);box-shadow:0 3px 9px rgba(111,80,207,.23)}.ace-sd-option input:checked+.ace-sd-option-box:after{content:"";position:absolute;left:5px;top:2px;width:5px;height:9px;border:solid #fff;border-width:0 1.8px 1.8px 0;transform:rotate(45deg)}.ace-sd-option-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:580}.ace-sd-option:has(input:checked){background:#f4f0ff}.ace-sd-dropdown-footer{position:sticky;bottom:0;margin:8px -1px -1px;padding:9px 1px 1px;background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.985) 24%);z-index:2}.ace-sd-inline-save{width:100%;height:38px;margin:0}.ace-sd-inline-save:disabled{opacity:.55;cursor:wait;transform:none!important}.ace-sd-dropdown-empty{padding:20px;color:#777d88;font-size:12px;text-align:center}.ace-sd-selection-summary{display:inline-flex;align-items:center;gap:7px;margin-top:11px;padding:6px 9px;border-radius:9px;background:#f3f2f6;color:#70747e;font-size:10px}.ace-sd-summary-dot{width:6px;height:6px;border-radius:50%;background:#7657d9;box-shadow:0 0 0 3px rgba(118,87,217,.10)}.ace-sd-actions{display:flex;align-items:center;gap:8px;margin-top:14px}.ace-sd-button,.ace-sd-ghost-button{height:38px;border-radius:11px;padding:0 15px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:780;cursor:pointer;text-decoration:none!important;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.ace-sd-button{border:0;background:linear-gradient(135deg,#17181d,#2a2930);color:#fff!important;box-shadow:0 7px 18px rgba(17,18,22,.17)}.ace-sd-button:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(17,18,22,.21)}.ace-sd-ghost-button{border:1px solid rgba(17,18,22,.10);background:rgba(255,255,255,.74);color:#24252a}.ace-sd-ghost-button:hover{background:#fff}.ace-sd-ok{color:#3f7d55;font-size:10px}.ace-sd-error{color:#b42318;font-size:10px}.ace-sd-library{padding:23px 24px;z-index:1}.ace-sd-section-head{margin-bottom:16px}.ace-sd-count-badge{min-width:27px;height:27px;padding:0 8px;border-radius:99px;background:#eeecf4;color:#5f5575;font-size:10px;font-weight:850;display:inline-flex;align-items:center;justify-content:center}.ace-sd-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.ace-sd-card{min-width:0;border:1px solid rgba(17,18,22,.075);border-radius:17px;padding:15px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(247,247,249,.92));box-shadow:0 7px 22px rgba(18,18,23,.045),0 3px 11px rgba(102,73,153,.025);transition:transform .18s ease,box-shadow .18s ease}.ace-sd-card:hover{transform:translateY(-2px);box-shadow:0 14px 31px rgba(18,18,23,.09),0 5px 18px rgba(102,73,153,.05)}.ace-sd-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.ace-sd-card-icon{width:33px;height:33px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eeeef1,#eee8fa);color:#5e576b;font-weight:850;font-size:11px}.ace-sd-card-menu{font-size:9px;color:#777b84;font-weight:800}.ace-sd-card h3{font-size:15px;line-height:1.2;letter-spacing:-.02em;margin:0 0 14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ace-sd-progress{height:4px;background:#e7e7eb;border-radius:99px;overflow:hidden}.ace-sd-progress span{display:block;height:100%;background:linear-gradient(90deg,#6650bb,#9a7be6);border-radius:99px}.ace-sd-card-meta{font-size:9px;color:#81848c;margin-top:6px}.ace-sd-button-small{height:32px;padding:0 10px;margin-top:11px;font-size:10px;border-radius:9px;width:100%}.ace-sd-button-small span{margin-left:6px;font-size:12px}.ace-sd-empty-state{grid-column:1/-1;text-align:center;padding:38px 20px;border:1px dashed rgba(17,18,22,.12);border-radius:18px;background:linear-gradient(180deg,#fbfbfc,#f5f4f7)}.ace-sd-empty-icon{width:36px;height:36px;margin:0 auto 10px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:#ece8f8;color:#7054c5;font-size:19px}.ace-sd-empty-state h3{font-size:15px;margin:0 0 5px}.ace-sd-empty-state p{margin:0 auto 15px;max-width:420px;color:#777c86;font-size:11px;line-height:1.5}.ace-sd-empty-action{margin:auto}.ace-sd-footer{display:flex;justify-content:center;gap:12px;padding:8px;font-size:9px;color:#989ba3}.ace-sd-footer a{color:#72767f;text-decoration:none}.ace-sd-login-required{max-width:500px;margin:60px auto;padding:40px;text-align:center;border:1px solid rgba(17,18,22,.08);border-radius:26px;background:linear-gradient(145deg,#f7f7f9,#f0edf8);box-shadow:0 20px 55px rgba(18,18,23,.08)}.ace-sd-login-required h2{margin:14px 0 7px;font-size:25px}.ace-sd-login-required p{color:#737780;font-size:12px;margin:0 0 20px}.ace-sd-loading{padding:24px;text-align:center;color:#7b7f89;font-size:11px}@media(max-width:980px){.ace-sd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.ace-sd{padding:10px 11px 38px}.ace-sd-hero{padding:26px 22px;border-radius:22px;display:block}.ace-sd-grade-pill{margin-top:18px;display:inline-block}.ace-sd-manager,.ace-sd-library{padding:19px 16px;border-radius:19px}.ace-sd-selector-grid{grid-template-columns:1fr}.ace-sd-option-list{grid-template-columns:1fr;max-height:310px}.ace-sd-grid{grid-template-columns:1fr}.ace-sd-manager-head{align-items:flex-start}.ace-sd-manager-head .ace-sd-ghost-button{flex:none}.ace-sd h1{font-size:34px}.ace-sd-library h2,.ace-sd-manager h2{font-size:20px}.ace-sd-dropdown{top:51px}.ace-sd-actions{flex-wrap:wrap}}
.ace-sd-card-included{background:linear-gradient(145deg,#f7f6fb,#f0edf8);border-color:rgba(93,72,138,.13)}.ace-sd-card-icon-included{background:linear-gradient(135deg,#e4e0ef,#dcd3f2);color:#5b4d78}.ace-sd-included-badge{font-size:8px;font-weight:850;letter-spacing:.06em;text-transform:uppercase;color:#66558b;background:rgba(255,255,255,.76);border:1px solid rgba(91,77,120,.13);padding:4px 6px;border-radius:99px}.ace-sd-included-note{font-size:9px;color:#70727c;line-height:1.4;margin:-7px 0 12px}

/* WooCommerce purchase-history accordion */
.ace-sd-purchases{position:relative;background:var(--panel);border:1px solid rgba(17,18,22,.075);border-radius:22px;box-shadow:0 11px 42px rgba(18,18,23,.055),0 3px 12px rgba(102,73,153,.035);backdrop-filter:blur(22px);margin-bottom:16px;padding:22px 24px}
.ace-sd-purchases-head{align-items:center}.ace-sd-purchases-intro,.ace-sd-purchases-note{font-size:12px;line-height:1.55;color:var(--muted);margin:7px 0 0}
.ace-sd-purchases-toggle{display:inline-flex;align-items:center;gap:12px;white-space:nowrap}
.ace-sd-purchases-chevron{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:transform .16s ease;margin-top:-4px}
.ace-sd-purchases-toggle[aria-expanded=true] .ace-sd-purchases-chevron{transform:rotate(225deg);margin-top:4px}
.ace-sd-purchases-body{padding-top:18px}.ace-sd-purchases-body[hidden]{display:none}
.ace-sd-purchases-list{display:grid;gap:12px}.ace-sd-purchase{border:1px solid var(--line);border-radius:15px;padding:15px 16px;background:rgba(255,255,255,.72)}
.ace-sd-purchase-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.ace-sd-purchase-number{display:block;font-size:13px}.ace-sd-purchase-date{display:block;color:var(--muted);font-size:11px;margin-top:4px}
.ace-sd-purchase-meta{display:flex;align-items:flex-end;flex-direction:column;gap:6px;font-size:12px}.ace-sd-purchase-status{display:inline-flex;border-radius:999px;background:#f0edf9;color:#5b438f;padding:4px 9px;font-size:10px;font-weight:750;text-transform:capitalize}.ace-sd-purchase-status.status-completed{background:#e7f6ed;color:#20633d}.ace-sd-purchase-status.status-refunded,.ace-sd-purchase-status.status-cancelled,.ace-sd-purchase-status.status-failed{background:#fff0ef;color:#9a342d}
.ace-sd-purchase-items{list-style:none;margin:13px 0 0;padding:0;border-top:1px solid var(--line)}.ace-sd-purchase-items li{display:flex;justify-content:space-between;gap:12px;padding:8px 0 0;font-size:12px}.ace-sd-purchase-qty{color:var(--muted);white-space:nowrap}.ace-sd-purchase-note{margin:10px 0 0;color:var(--muted);font-size:11px}.ace-sd-purchases-account-link{font-size:12px;margin:15px 0 0}.ace-sd-purchases-account-link a{color:var(--violet);font-weight:700}
@media(max-width:640px){.ace-sd-purchases{padding:17px}.ace-sd-purchases-head{align-items:flex-start;flex-direction:column}.ace-sd-purchase-top{flex-direction:column}.ace-sd-purchase-meta{align-items:flex-start;flex-direction:row;flex-wrap:wrap}}

/* ACE learner mailbox */
.ace-sd-mailbox{margin:30px 0;padding:24px;background:#fff;border:1px solid #e7e8ed;border-radius:20px;box-shadow:0 7px 26px rgba(17,19,24,.045);color:#171923}
.ace-sd-mailbox .ace-sd-section-head{margin-bottom:16px}.ace-sd-mail-unread{display:inline-block;margin-left:8px;padding:4px 9px;border-radius:30px;background:#eee9ff;color:#5037a6;font-size:11px;font-weight:700}
.ace-sd-mail-layout{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,1.6fr);gap:18px}.ace-sd-mail-thread{display:flex;width:100%;flex-direction:column;gap:5px;text-align:left;padding:13px;border:1px solid #e8e9ee;border-radius:12px;background:#fff;color:#171923;cursor:pointer;margin-top:7px}
.ace-sd-mail-thread:hover{border-color:#7760c8;background:#faf9ff}.ace-sd-mail-thread small,.ace-sd-mail-thread b{font-size:11px;color:#777d89}.ace-sd-mail-thread b{color:#5a42ad}
.ace-sd-mail-view{border:1px solid #e8e9ee;border-radius:14px;padding:17px;min-height:260px}.ace-sd-mail-empty{display:grid;min-height:220px;place-items:center;text-align:center;color:#777d89}
.ace-sd-mailbox label{display:grid;gap:7px;margin:12px 0;font-weight:600;font-size:13px}.ace-sd-mailbox input,.ace-sd-mailbox textarea{width:100%;box-sizing:border-box;padding:11px 12px;border:1px solid #dfe1e7;border-radius:9px;background:#fff;color:#171923;font:inherit}
.ace-sd-mail-messages{display:grid;gap:12px;max-height:440px;overflow:auto;padding:8px 0 16px}.ace-sd-mail-message{padding:13px;border:1px solid #e8e9ee;border-radius:12px;background:#f8f8fb;overflow-wrap:anywhere}
.ace-sd-mail-message.is-mine{background:#f0edfa;border-color:#e2dcf5}.ace-sd-mail-message strong{font-size:12px}.ace-sd-mail-message small{float:right;color:#777d89;font-size:11px}.ace-sd-mail-message div{margin-top:9px;line-height:1.55;font-size:14px}
@media(max-width:700px){.ace-sd-mail-layout{grid-template-columns:1fr}.ace-sd-mailbox{padding:16px}}

/* Compact, collapsed-by-default learner mailbox: subjects remain the visual priority. */
.ace-sd-mailbox{margin:0 0 14px;padding:0;overflow:hidden;border-radius:15px;box-shadow:0 4px 16px rgba(17,19,24,.035)}
.ace-sd-mailbox-summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 17px;cursor:pointer;user-select:none}
.ace-sd-mailbox-summary::-webkit-details-marker{display:none}
.ace-sd-mailbox-summary-copy{display:flex;align-items:center;gap:10px;min-width:0;flex-wrap:wrap}
.ace-sd-mailbox-summary-copy .ace-sd-kicker{font-size:8px}
.ace-sd-mailbox-summary-copy strong{font-size:13px;letter-spacing:-.01em}
.ace-sd-mail-summary-note{font-size:10px;color:#858994}
.ace-sd-mailbox-summary-meta{display:flex;align-items:center;gap:11px;flex:none}
.ace-sd-mailbox-hint{font-size:10px;color:#777d89}
.ace-sd-mailbox-chevron{width:7px;height:7px;border-right:1.5px solid #777d89;border-bottom:1.5px solid #777d89;transform:rotate(45deg);transition:transform .16s ease;margin-top:-4px}
.ace-sd-mailbox[open] .ace-sd-mailbox-chevron{transform:rotate(225deg);margin-top:4px}
.ace-sd-mailbox-body{border-top:1px solid #ececf0;padding:15px 17px 17px}
.ace-sd-mailbox .ace-sd-mail-layout{grid-template-columns:minmax(190px,.75fr) minmax(0,1.8fr);gap:14px}
.ace-sd-mailbox .ace-sd-mail-view{min-height:210px}
.ace-sd-mailbox .ace-sd-section-head{margin-bottom:10px}
@media(max-width:700px){.ace-sd-mailbox-summary{padding:12px 13px}.ace-sd-mail-summary-note{display:none}.ace-sd-mailbox-body{padding:12px}.ace-sd-mailbox .ace-sd-mail-layout{grid-template-columns:1fr}}