:root{font-family:Inter,Segoe UI,Roboto,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5;color:var(--clr-text);background-color:var(--clr-bg);--clr-text: #0b1f33;--clr-bg: #eef2f7;--clr-bg-gradient-start: #f0f5ff;--clr-bg-gradient-mid: #eef2f7;--clr-bg-gradient-end: #e2e7f1;--clr-card: #ffffff;--clr-card-gradient-start: #ffffff;--clr-card-gradient-end: #f9fbff;--clr-border: #ebeff5;--clr-input-border: #cdd8ea;--clr-input-bg: #ffffff;--clr-muted: #4c5d73;--clr-error: #f47272;--clr-stage-bg: #f8faff;--clr-stage-border: #c5cee0;--clr-option-hover: #f2f6ff;--clr-option-active: #e5ecff;--clr-chev: #4b5b75;--shadow-main: 0 20px 45px rgba(15, 23, 42, .1), 0 2px 6px rgba(15, 23, 42, .08)}body{margin:0;color:var(--clr-text);background:radial-gradient(circle at top,var(--clr-bg-gradient-start) 0%,var(--clr-bg-gradient-mid) 35%,var(--clr-bg-gradient-end) 100%);min-height:100vh;transition:background .3s ease,color .3s ease}body.theme-dark{--clr-text: #e2e8ff;--clr-bg: #0a0f1a;--clr-bg-gradient-start: #131b2f;--clr-bg-gradient-mid: #0c1524;--clr-bg-gradient-end: #090f1a;--clr-card: #151f33;--clr-card-gradient-start: #18223a;--clr-card-gradient-end: #111a2b;--clr-border: #1f2c45;--clr-input-border: #253250;--clr-input-bg: #10192b;--clr-muted: #93a3c9;--clr-error: #ff8a8a;--clr-stage-bg: #111a2b;--clr-stage-border: #263149;--clr-option-hover: rgba(255, 255, 255, .08);--clr-option-active: rgba(92, 124, 250, .24);--clr-chev: #d2dcff;--shadow-main: 0 20px 45px rgba(4, 8, 20, .55), 0 4px 10px rgba(4, 8, 20, .4)}.app-shell{min-height:100vh;display:flex;justify-content:center;padding:2rem 1rem 3rem}.app-card{width:100%;max-width:760px;background:var(--clr-card);border-radius:20px;box-shadow:var(--shadow-main);padding:2rem;display:flex;flex-direction:column;gap:1.5rem;transition:background .3s ease,box-shadow .3s ease}.app-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.header-actions{display:flex;gap:.75rem;align-items:center}.app-header h1{margin:0;font-size:2rem}.eyebrow{margin:0 0 .35rem;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:var(--clr-muted)}.error-text{margin:0;color:var(--clr-error);font-weight:600}.theme-toggle{border:1px solid var(--clr-input-border);border-radius:999px;padding:.4rem .85rem;background:transparent;color:var(--clr-text);cursor:pointer;font-weight:600;transition:background .2s ease,color .2s ease}.theme-toggle:hover{background:#5c7cfa1f}.card{border:1px solid var(--clr-border);border-radius:16px;padding:1.5rem;background:linear-gradient(180deg,var(--clr-card-gradient-start),var(--clr-card-gradient-end));box-shadow:inset 0 1px #ffffff14;transition:background .3s ease,border .3s ease}.section-title{margin:0 0 1rem;font-size:1.1rem;color:var(--clr-text)}.form-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:.9rem}.form-label{font-weight:600;color:var(--clr-text);display:block;margin-bottom:.35rem}.filterable-select{position:relative;margin-bottom:1rem}.select-trigger{width:100%;border:1px solid var(--clr-input-border);background:var(--clr-input-bg);border-radius:10px;padding:.65rem .9rem;font-size:.95rem;color:var(--clr-text);display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:border .2s ease,box-shadow .2s ease,background .2s ease}.select-trigger:focus-visible{outline:none;border-color:#5c7cfa;box-shadow:0 0 0 2px #5c7cfa40}.select-trigger:disabled{background:#f3f5f9;cursor:not-allowed;color:#9ba6bb}.filterable-select.is-open .select-trigger{border-color:#5c7cfa;box-shadow:0 0 0 2px #5c7cfa38}.select-panel{position:absolute;z-index:20;left:0;right:0;margin-top:.4rem;border-radius:14px;border:1px solid var(--clr-border);background:var(--clr-card);box-shadow:0 16px 35px #0f172a24,0 3px 8px #0f172a1f;padding:.75rem}.input,.select-panel .input{border:1px solid var(--clr-input-border);border-radius:10px;padding:.5rem .65rem;font-size:.9rem;background:var(--clr-input-bg);color:var(--clr-text);width:100%;box-sizing:border-box}.options{max-height:220px;overflow-y:auto;margin-top:.6rem;display:flex;flex-direction:column;gap:.3rem}.option{border:none;text-align:left;padding:.5rem .65rem;border-radius:8px;background:transparent;font-size:.92rem;color:var(--clr-text);cursor:pointer;transition:background .15s ease}.option:hover{background:var(--clr-option-hover)}.option.active{background:var(--clr-option-active);font-weight:600}.chevron{font-size:.9rem;color:var(--clr-chev)}.no-results{text-align:center;padding:.75rem;color:var(--clr-muted);font-size:.9rem}.stage-box{border-radius:14px;border:1px dashed var(--clr-stage-border);padding:1rem;min-height:70px;display:flex;flex-direction:column;gap:.75rem;color:var(--clr-text);background:var(--clr-stage-bg)}.stage-box p{margin:0}.final-selection{margin-top:1rem;color:var(--clr-text)}@media (max-width: 640px){.app-card{padding:1.5rem}.app-header{flex-direction:column}.header-actions{width:100%;justify-content:space-between}}