:root { --mint: #A0D2C8; --blue: #7DAADC; --pink: #F0B4D2; --peach: #FAD296; --coral: #F08C82; --text: #646464; --cta: #E91E63; --bg: #F7F7F7; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Nunito, system-ui, sans-serif; font-size: 17px; padding: env(safe-area-inset-top) 16px 40px; }
header { display: flex; align-items: center; gap: 14px; padding: 18px 0 10px; }
.logo { height: 54px; }
h1 { font-family: Barlow, sans-serif; font-weight: 900; font-size: 26px; margin: 0; }
main { max-width: 560px; margin: 0 auto; }
form, section { display: flex; flex-direction: column; gap: 16px; background: #fff; border-radius: 22px; padding: 20px; box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 800; }
input[type=text], input[type=password], textarea { font: inherit; font-weight: 600; color: var(--text); border: 2px solid #E4E4E4; border-radius: 14px; padding: 12px 14px; width: 100%; }
input:focus, textarea:focus { outline: none; border-color: var(--mint); }
.file { border: 3px dashed var(--mint); border-radius: 18px; padding: 22px; text-align: center; cursor: pointer; }
.file input { display: none; }
.speakers { border: 0; padding: 0; margin: 0; display: flex; gap: 10px; }
.speakers legend { font-weight: 800; margin-bottom: 6px; }
.speakers label { flex: 1; }
.speakers input { display: none; }
.speakers span { display: block; text-align: center; padding: 12px; border-radius: 14px; border: 2px solid #E4E4E4; font-family: Barlow, sans-serif; font-size: 19px; }
.speakers input:checked + span { background: var(--mint); border-color: var(--mint); color: #3E3E3E; }
.hint { margin: -8px 0 0; font-size: 14px; }
.hint.warn { color: #cf2e2e; font-weight: 800; }
.btn { font: inherit; font-family: Barlow, sans-serif; font-weight: 900; font-size: 20px; background: var(--cta); color: #fff; border: 0; border-radius: 16px; padding: 16px; text-align: center; text-decoration: none; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--text); border: 2px solid #E4E4E4; }
.btn:disabled { opacity: 0.5; }
.stage { font-family: Barlow, sans-serif; font-weight: 900; font-size: 22px; }
.bar { height: 14px; background: #EEE; border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--mint), var(--blue)); transition: width 0.4s; }
.warning { background: #FFF6E5; border-left: 6px solid var(--peach); border-radius: 12px; padding: 10px 12px; font-size: 15px; }
.warning.error { background: #FDECEC; border-color: #cf2e2e; }