/* Free trial lesson: preferred times, suggestion, success screen (trial-flow.js) and the admin Trial lessons list (trial-admin.js).
   Theme-aware tokens (Light, Dark navy, Dark + Glass). Text pairs are WCAG AA (4.5:1) on their own background. */
.xtf,.xtf-done,.xta,.xta-dlg{--tf-fg:var(--navy,#0b1c2d);--tf-mut:#3d4f63;--tf-bd:#7d8da0;--tf-bg:#fff;--tf-soft:#eef4f8;--tf-acc:#14566f;--tf-accfg:#fff;--tf-warn:#8a3b00;--tf-ok:#0f6b3b;--tf-err:#a11818;--tf-ring:#0b5fd1}
:root[data-theme=dark] .xtf,:root[data-theme=dark] .xtf-done,:root[data-theme=dark] .xta,:root[data-theme=dark] .xta-dlg{--tf-fg:#e8eef5;--tf-mut:#b6c3d1;--tf-bd:#6b7e92;--tf-bg:#10202f;--tf-soft:#192b3c;--tf-acc:#4fb3d6;--tf-accfg:#06202c;--tf-warn:#ffb48a;--tf-ok:#6ee7a0;--tf-err:#ff9b9b;--tf-ring:#ffb454}
:root[data-theme=glass] .xtf,:root[data-theme=glass] .xtf-done,:root[data-theme=glass] .xta,:root[data-theme=glass] .xta-dlg{--tf-fg:#f2f7ff;--tf-mut:#d3e0f2;--tf-bd:rgba(255,255,255,.55);--tf-bg:rgba(10,28,62,.72);--tf-soft:rgba(10,28,62,.55);--tf-acc:#7fd0ff;--tf-accfg:#06202c;--tf-warn:#ffc89e;--tf-ok:#8cf0b4;--tf-err:#ffb0b0;--tf-ring:#ffd37a}
:root[data-theme=glass] .xtf,:root[data-theme=glass] .xtf-done,:root[data-theme=glass] .xta-dlg{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}

.xtf{border:1.5px solid var(--tf-bd);border-radius:12px;background:var(--tf-bg);color:var(--tf-fg);padding:.8rem .9rem;margin:.6rem 0 .8rem}
.xtf legend{font-weight:800;font-size:.9rem;padding:0 .35rem;color:var(--tf-fg)}
.xtf p{font-size:.82rem;line-height:1.45;color:var(--tf-mut);margin:.2rem 0 .5rem}
.xtf-row{display:flex;flex-direction:column;gap:.15rem;margin:.45rem 0}
.xtf-row label{font-size:.78rem;font-weight:700;color:var(--tf-fg)}
.xtf-row input[type=datetime-local]{width:100%;min-height:44px;padding:.35rem .55rem;border:1.5px solid var(--tf-bd);border-radius:8px;background:var(--tf-bg);color:var(--tf-fg);font:inherit;font-size:.9rem;color-scheme:light}
:root[data-theme=dark] .xtf-row input[type=datetime-local],:root[data-theme=glass] .xtf-row input[type=datetime-local]{color-scheme:dark}
.xtf-bkk{font-size:.78rem;color:var(--tf-mut);min-height:1.1em}
.xtf-sug{border:1.5px dashed var(--tf-acc);border-radius:10px;padding:.55rem .7rem;margin:.4rem 0 .6rem;background:var(--tf-soft);color:var(--tf-fg)}
.xtf-sug strong{font-weight:800}
.xtf-sug ul{list-style:none;margin:.3rem 0 0;padding:0;display:flex;flex-direction:column;gap:.35rem}
.xtf-sug li{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;font-size:.84rem}
.xtf-btn,.xta-btn{min-height:44px;padding:.35rem .9rem;border-radius:999px;border:1.5px solid var(--tf-acc);background:var(--tf-bg);color:var(--tf-fg);font-weight:700;font-size:.85rem;line-height:1.2;font-family:inherit;cursor:pointer}
.xtf-btn:hover,.xta-btn:hover{background:var(--tf-soft)}
.xtf-btn.p,.xta-btn.p{background:var(--tf-acc);color:var(--tf-accfg)}
.xtf-btn.p:hover,.xta-btn.p:hover{filter:brightness(1.08);background:var(--tf-acc)}
.xtf-btn:disabled,.xta-btn:disabled{opacity:.55;cursor:not-allowed}
.xtf :focus-visible,.xtf-done :focus-visible,.xta :focus-visible,.xta-dlg :focus-visible{outline:3px solid var(--tf-ring);outline-offset:2px}
.xtf-err{color:var(--tf-err);font-weight:700;font-size:.82rem;margin:.3rem 0 0}

.xtf-done{max-width:480px;border:1.5px solid var(--tf-bd);border-radius:14px;background:var(--tf-bg);color:var(--tf-fg);padding:1.2rem;text-align:left}
.xtf-done h3{margin:0 0 .4rem;font-size:1.2rem;color:var(--tf-fg)}
.xtf-done .xtf-tick{display:inline-flex;width:40px;height:40px;border-radius:50%;background:var(--tf-ok);color:#fff;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:.5rem}
:root[data-theme=dark] .xtf-done .xtf-tick,:root[data-theme=glass] .xtf-done .xtf-tick{color:#06202c}
.xtf-done p{font-size:.92rem;line-height:1.5;margin:.3rem 0;color:var(--tf-fg)}
.xtf-done ul{margin:.3rem 0 .6rem 1.1rem;padding:0;font-size:.88rem;color:var(--tf-fg)}
.xtf-done .xtf-acts{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.8rem}

/* admin list */
.xta{color:var(--tf-fg)}
.xta-card{border:1.5px solid var(--tf-bd);border-radius:12px;background:var(--tf-bg);padding:.7rem .85rem;margin:0 0 .6rem}
.xta-head{display:flex;flex-wrap:wrap;gap:.4rem .8rem;align-items:center;justify-content:space-between}
.xta-name{font-weight:800}
.xta-pill{display:inline-block;border:1.5px solid var(--tf-acc);border-radius:999px;padding:.05rem .6rem;font-size:.74rem;font-weight:800;color:var(--tf-fg)}
.xta-pill.late{border-color:var(--tf-warn);color:var(--tf-warn)}
.xta-meta{font-size:.8rem;color:var(--tf-mut);margin:.2rem 0}
.xta-times{list-style:none;margin:.3rem 0;padding:0;display:flex;flex-direction:column;gap:.3rem}
.xta-times li{font-size:.84rem;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
.xta-acts{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.5rem}
.xta-warn{color:var(--tf-warn);font-weight:700;font-size:.8rem}
.xta-msg{font-size:.84rem;font-weight:700;min-height:1.2em}
.xta-dlg-back{position:fixed;inset:0;z-index:2100;background:rgba(10,25,70,.6);display:flex;align-items:center;justify-content:center;padding:1rem}
.xta-dlg{background:var(--tf-bg);color:var(--tf-fg);border:1.5px solid var(--tf-bd);border-radius:14px;max-width:560px;width:100%;max-height:92vh;overflow:auto;padding:1rem 1.1rem}
.xta-dlg h3{margin:0 0 .5rem;font-size:1.05rem;color:var(--tf-fg)}
.xta-dlg label{display:block;font-size:.78rem;font-weight:700;margin:.5rem 0 .15rem;color:var(--tf-fg)}
.xta-dlg input,.xta-dlg select,.xta-dlg textarea{width:100%;min-height:42px;padding:.3rem .5rem;border:1.5px solid var(--tf-bd);border-radius:8px;background:var(--tf-bg);color:var(--tf-fg);font:inherit;font-size:.88rem}
.xta-dlg pre{white-space:pre-wrap;word-break:break-word;background:var(--tf-soft);border:1px solid var(--tf-bd);border-radius:8px;padding:.6rem;font:inherit;font-size:.82rem;line-height:1.45;color:var(--tf-fg);max-height:260px;overflow:auto}
@media (prefers-reduced-motion:reduce){.xtf *,.xta *{transition:none!important}}
@media (forced-colors:active){.xtf-btn.p,.xta-btn.p{border:2px solid ButtonText}}
.xtf-btn:disabled{opacity:1;background:var(--tf-soft);color:var(--tf-mut);border-style:dashed}