* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f3f5f7;
    color: #222;
}

.container {
    width: min(1100px, calc(100% - 32px));
    margin: 36px auto;
}

.page-header {
    margin-bottom: 24px;
}

h1, h2, p {
    font-family: Arial, Helvetica, sans-serif;
}

h1 {
    margin: 0 0 8px;
}

.card {
    background: #fff;
    padding: 24px;
    border-radius: 14px;
    box-shadow: 0 5px 24px rgba(0, 0, 0, .07);
    margin-bottom: 24px;
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.grid-form .full {
    grid-column: 1 / -1;
}

.stack-form {
    display: grid;
    gap: 20px;
}

label {
    display: grid;
    gap: 7px;
    font-weight: 700;
}

input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #cbd2d9;
    border-radius: 8px;
    font: inherit;
}

input:focus {
    outline: 2px solid #b7dff5;
    border-color: #6bb5dc;
}

button {
    align-self: end;
    border: 0;
    border-radius: 8px;
    padding: 12px 17px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

button.primary,
.grid-form button {
    background: #222;
    color: #fff;
}

fieldset {
    border: 1px solid #d9dee3;
    border-radius: 10px;
    padding: 16px;
}

legend {
    font-weight: 700;
    padding: 0 8px;
}

.radio-line,
.check-line {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 400;
    margin: 8px 0;
}

.radio-line input,
.check-line input {
    width: auto;
}

.participant-selection {
    margin: 12px 0 0 25px;
    padding: 10px 14px;
    background: #f7f8fa;
    border-radius: 8px;
}

.hidden {
    display: none;
}

.table-wrap {
    overflow-x: auto;
    margin-top: 22px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 11px 10px;
    text-align: left;
    border-bottom: 1px solid #e5e8eb;
}

.flash,
.info-box {
    padding: 14px 16px;
    border-radius: 9px;
    margin-bottom: 18px;
}

.flash.success {
    background: #e8f8ed;
    border: 1px solid #a8dbb7;
}

.flash.error {
    background: #fff0f0;
    border: 1px solid #e7b0b0;
}

.info-box {
    background: #eef7fc;
    border: 1px solid #cce5f4;
    margin: 0;
}

@media (max-width: 700px) {
    .grid-form {
        grid-template-columns: 1fr;
    }

    .grid-form .full {
        grid-column: auto;
    }
}
.button-link { display:inline-block; padding:7px 11px; border-radius:7px; background:#222; color:#fff; text-decoration:none; font-weight:700; }
h3 { margin-top:28px; }


.participant-filter {
    margin-bottom: 14px;
}

.participant-filter input {
    margin-top: 7px;
}

.participant-search-info {
    margin-top: 7px;
    font-size: 14px;
    color: #5f6872;
}



.inline-form {
    display: inline-block;
    margin-left: 8px;
}

.delete-button {
    background: #b42318;
    color: #fff;
    padding: 8px 12px;
}

.delete-button:hover {
    opacity: .9;
}


.actions-cell {
    white-space: nowrap;
}

.actions-cell .button-link,
.actions-cell .inline-form {
    display: inline-block;
    vertical-align: middle;
}


.participant-list-filter {
    margin-top: 20px;
    margin-bottom: 14px;
}

.participant-list-filter label {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
}

.participant-list-filter input {
    width: 100%;
    max-width: 520px;
}

.auth-card{max-width:600px;margin:60px auto}.secret-box{padding:14px;border:1px solid #cbd2d9;border-radius:8px;background:#f7f8fa;font-family:monospace;font-size:18px;word-break:break-all}
.auth-warning{padding:12px;border-radius:8px;background:#fff4e5}textarea{width:100%;padding:11px 12px;border:1px solid #cbd2d9;border-radius:8px;font:inherit}.auth-page-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}