:root { --main: #FF9900; --black: #000; --bg: #f1f1f1; }
* { box-sizing: border-box; }
body { background: var(--bg); font-family: 'Geogrotesque Cyr', Arial, sans-serif; margin: 0; }

/* NAV */
.kayit-nav { background: #fff; display: flex; justify-content: center; align-items: center; height: 80px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 99; }
.kayit-nav .container { width: 90%; max-width: 1200px; display: flex; justify-content: space-between; align-items: center; }
.kayit-nav a { text-decoration: none; color: #000; }
.nav-logo img { height: 64px; width: auto; display: block; }
.nav-back { font-size: .85rem; font-weight: 700; letter-spacing: .05em; color: #000; }

/* LAYOUT */
.page-wrap { min-height: calc(100vh - 80px); display: flex; align-items: center; justify-content: center; padding: 2rem 1rem; }
.form-card { background: #fff; padding: 2.5rem 2rem; max-width: 600px; width: 100%; box-shadow: 0 4px 24px rgba(0,0,0,0.08); }

/* TYPOGRAPHY */
.form-title { font-size: 1.8rem; font-weight: 800; color: #000; margin: 0 0 0.3rem; text-transform: uppercase; }
.form-subtitle { color: #666; margin: 0 0 2rem; font-size: 0.95rem; border-left: 4px solid var(--main); padding-left: 0.75rem; }

/* FORM ELEMENTS */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.4rem; color: #000; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem 1rem; border: 2px solid #ccc; background: #fafafa; font-family: inherit; font-size: 1rem; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--main); background: #fff; }

/* SUBMIT */
.btn-submit { width: 100%; padding: 1rem; background: var(--main); color: #000; border: none; font-family: inherit; font-size: 1rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; cursor: pointer; transition: background 0.2s; margin-top: 0.5rem; }
.btn-submit:hover { background: #c4c93a; }

/* ALERTS */
.alert { padding: 1rem; margin-bottom: 1.5rem; font-weight: 600; }
.alert-success { background: var(--main); color: #000; }
.alert-error { background: #fee2e2; color: #b91c1c; border-left: 4px solid #ef4444; }

/* SECTION TITLE */
.section-title { font-size: 1rem; font-weight: 800; text-transform: uppercase; color: #000; margin: 1.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 3px solid var(--main); }

/* SUCCESS */
.success-box { text-align: center; padding: 2rem; }
.success-box .qr-code { margin: 1.5rem auto; }
.success-box .kayit-kodu { font-size: 2.5rem; font-weight: 900; letter-spacing: 0.3em; color: #000; background: var(--main); padding: 0.5rem 1.5rem; display: inline-block; margin: 1rem 0; }

/* ===================== */
/* SESSION RADIO - FIX   */
/* ===================== */
.time-group { margin-bottom: 1.25rem; }
.time-label { font-size: 0.8rem; font-weight: 800; color: #555; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.4rem; }

.session-radio {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border: 2px solid #ddd;
    margin-bottom: 0.4rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: #fff;
}
.session-radio:hover { border-color: var(--main); background: #fafff0; }
.session-radio.selected { border-color: var(--main); background: #fafff0; }
.session-radio.full { opacity: 0.5; cursor: not-allowed; background: #f9f9f9; }

.session-radio input[type=radio] {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    accent-color: var(--main);
    cursor: pointer;
    margin: 0;
}

.session-info {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.session-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: #000;
}
.session-salon {
    font-size: 0.8rem;
    color: #666;
    font-weight: 500;
}

/* BADGE */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    white-space: nowrap;
    flex-shrink: 0;
}
.badge-green { background: #d1fae5; color: #065f46; }
.badge-red { background: #fee2e2; color: #b91c1c; }

/* FOOTER */
footer { background: #000; color: var(--main); text-align: center; padding: 1.5rem; font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; }
footer a { color: var(--main); }

/* MOBILE */
@media(max-width:600px) {
    .form-card { padding: 1.5rem 1rem; }
    .form-title { font-size: 1.4rem; }
    .nav-logo img { height: 52px; }
    .session-name { font-size: 0.9rem; }
}