:root {
    --ink: #153352;
    --muted: #4f6f87;
    --line: #b9dedc;
    --surface: #fffaf1;
    --background: #f9dfbd;
    --primary: #205aa2;
    --primary-dark: #163d73;
    --ocean: #1fb7b0;
    --ocean-light: #bdeee8;
    --sand: #f9dfbd;
    --cream: #fff4df;
    --sun: #f6b43f;
    --accent: #e75f3e;
    --accent-soft: #fff0e3;
    --success-soft: #e9f8f3;
    --success: #188a70;
    --error: #b83232;
    --error-soft: #fff1f1;
    --radius: 8px;
    --shadow: 0 18px 45px rgba(21, 51, 82, 0.13);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background:
        linear-gradient(180deg, #205aa2 0, #205aa2 138px, #1fb7b0 138px, #79d9d2 280px, var(--sand) 280px, var(--sand) 100%),
        var(--background);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

a {
    color: var(--primary-dark);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    padding: 18px clamp(18px, 4vw, 48px);
    border-bottom: 1px solid rgba(255, 244, 223, 0.24);
    color: var(--cream);
    background: rgba(32, 90, 162, 0.94);
    backdrop-filter: blur(12px);
}

.brand {
    display: inline-flex;
    align-items: center;
    color: var(--cream);
    font-weight: 800;
    letter-spacing: 0;
    text-decoration: none;
}

.brand img {
    display: block;
    width: auto;
    height: 42px;
    max-width: min(220px, 52vw);
    object-fit: contain;
}

.topbar__meta {
    color: rgba(255, 244, 223, 0.84);
    font-size: 0.94rem;
}

.topbar-status {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    min-width: 0;
}

.topbar-user {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    border-radius: 999px;
    padding: 3px 8px 3px 3px;
    color: var(--cream);
    background: transparent;
    font-weight: 800;
    list-style: none;
    cursor: pointer;
}

.topbar-user::-webkit-details-marker {
    display: none;
}

.topbar-user:hover,
.topbar-user:focus {
    background: rgba(255, 244, 223, 0.13);
    outline: none;
}

.topbar-user-menu {
    position: relative;
}

.topbar-user-menu__panel {
    position: absolute;
    z-index: 20;
    top: calc(100% + 10px);
    right: 0;
    min-width: 190px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.topbar-user-menu__panel a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    color: var(--ink);
    font-weight: 800;
    text-decoration: none;
}

.topbar-user-menu__panel a:hover,
.topbar-user-menu__panel a:focus {
    color: var(--primary-dark);
    background: var(--ocean-light);
}

.topbar-user__chevron {
    color: rgba(255, 244, 223, 0.82);
    font-size: 0.76rem;
}

.topbar-user__avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    overflow: hidden;
    border: 2px solid rgba(255, 244, 223, 0.72);
    border-radius: 50%;
    color: var(--primary-dark);
    background: var(--ocean-light);
    font-size: 0.78rem;
    font-weight: 900;
    object-fit: cover;
}

.topbar-user__name {
    max-width: min(320px, 38vw);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.page-shell {
    width: min(100% - 32px, 980px);
    margin: 0 auto;
    padding: 32px 0 72px;
}

.page-shell--wide {
    width: min(100% - 32px, 1400px);
}

.intro {
    margin: 28px 0;
}

.intro--compact {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 12px;
    font-size: 4rem;
    line-height: 1;
    letter-spacing: 0;
}

.intro p,
.panel--success p {
    max-width: 680px;
    color: #315b7d;
    font-size: 1.06rem;
}

.panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.event-banner {
    overflow: hidden;
    border: 4px solid var(--cream);
    border-radius: var(--radius);
    background: var(--primary);
    box-shadow: 0 18px 38px rgba(21, 51, 82, 0.2);
}

.event-banner img {
    display: block;
    width: 100%;
    height: auto;
}

.panel--success {
    padding: clamp(28px, 6vw, 56px);
    border-color: rgba(31, 183, 176, 0.45);
    background: linear-gradient(180deg, #ffffff, var(--cream));
}

.panel--closed {
    padding: clamp(28px, 6vw, 56px);
    border-color: rgba(184, 50, 50, 0.24);
    background:
        linear-gradient(180deg, rgba(255, 241, 241, 0.86), rgba(255, 250, 241, 0.92)),
        var(--surface);
}

.panel--closed h1 {
    max-width: 760px;
    font-size: clamp(2.2rem, 4vw, 3.6rem);
}

.panel--closed p {
    max-width: 680px;
    color: var(--muted);
}

.registration-form {
    padding: clamp(18px, 4vw, 34px);
    border-color: rgba(32, 90, 162, 0.18);
    background:
        linear-gradient(180deg, rgba(189, 238, 232, 0.36), rgba(255, 250, 241, 0) 180px),
        var(--surface);
}

.fieldset {
    margin: 0;
    padding: 0;
    border: 0;
}

.fieldset + .fieldset {
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid var(--line);
}

legend {
    margin-bottom: 16px;
    color: var(--primary-dark);
    font-size: 1.02rem;
    font-weight: 800;
}

.participants {
    display: grid;
    gap: 14px;
}

.participant-row {
    padding: 18px;
    border: 1px solid rgba(32, 90, 162, 0.18);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.72);
}

.participant-row.is-hidden,
.sponsor-code.is-hidden {
    display: none;
}

.participant-row__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 28px;
    margin-bottom: 14px;
}

.participant-row h2 {
    margin: 0;
    color: var(--primary);
    font-size: 1rem;
}

.participant-clear-button {
    min-height: 34px;
    border: 1px solid rgba(184, 50, 50, 0.24);
    border-radius: 6px;
    padding: 6px 10px;
    color: var(--error);
    background: var(--error-soft);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 800;
    cursor: pointer;
}

.participant-clear-button:hover,
.participant-clear-button:focus {
    border-color: var(--error);
    background: #ffffff;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.field {
    display: grid;
    gap: 7px;
    min-width: 0;
    color: var(--primary-dark);
    font-weight: 700;
}

.field span,
.checkline span {
    font-size: 0.92rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="file"],
select,
textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid #93c9ca;
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--ink);
    background: #ffffff;
    font: inherit;
}

textarea {
    min-height: 320px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(31, 183, 176, 0.25);
    border-color: var(--primary);
}

.checkline {
    display: flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    max-width: 100%;
    font-weight: 800;
}

.checkline input {
    width: 18px;
    height: 18px;
    accent-color: var(--sun);
}

.sponsor-code {
    max-width: 420px;
    margin-top: 16px;
}

.sponsor-extra-info {
    margin-top: 18px;
    padding: 18px;
    border: 1px solid rgba(32, 90, 162, 0.18);
    border-radius: var(--radius);
    color: var(--ink);
    background: rgba(189, 238, 232, 0.36);
}

.sponsor-extra-info.is-hidden {
    display: none;
}

.sponsor-extra-info p {
    margin: 0;
    color: var(--ink);
    font-weight: 700;
}

.field-error,
.field-status {
    min-height: 18px;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.field-error {
    color: var(--error);
}

.notice {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: var(--radius);
    font-weight: 700;
}

.notice--error {
    border: 1px solid rgba(184, 50, 50, 0.22);
    color: var(--error);
    background: var(--error-soft);
}

.notice--success {
    border: 1px solid rgba(24, 138, 112, 0.24);
    color: var(--success);
    background: var(--success-soft);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    border: 1px solid var(--primary);
    border-radius: 6px;
    padding: 10px 18px;
    color: var(--cream);
    background: var(--primary);
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.button:hover,
.button:focus {
    color: var(--cream);
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.button > i {
    margin-right: 8px;
    font-size: 0.95em;
}

.button--secondary {
    color: var(--primary-dark);
    border-color: var(--ocean);
    background: var(--ocean-light);
}

.button--secondary:hover,
.button--secondary:focus {
    color: var(--primary-dark);
    border-color: var(--primary);
    background: var(--cream);
}

.button--ghost {
    color: var(--ink);
    border-color: var(--line);
    background: transparent;
}

.button--ghost:hover,
.button--ghost:focus {
    color: var(--cream);
    border-color: var(--primary-dark);
    background: var(--primary-dark);
}

.button--danger {
    color: #ffffff;
    border-color: var(--error);
    background: var(--error);
}

.button--danger:hover,
.button--danger:focus {
    color: var(--error);
    border-color: var(--error);
    background: #ffffff;
}

.login-panel {
    width: min(100%, 460px);
    margin: 0 auto;
    padding: clamp(22px, 5vw, 36px);
}

.login-actions {
    display: grid;
    gap: 12px;
    margin-bottom: 18px;
}

.header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.header-action-form {
    display: inline-flex;
    margin: 0;
}

.campaign-header {
    align-items: flex-end;
}

.campaign-header__title {
    flex: 1 1 620px;
    min-width: 0;
}

.campaign-subject {
    max-width: 820px;
    font-size: clamp(1.95rem, 2.4vw, 2.75rem);
    line-height: 1.08;
}

.campaign-header__actions {
    flex: 0 0 auto;
    justify-content: flex-end;
    max-width: 640px;
    margin-bottom: 10px;
}

.campaign-header__actions .button {
    white-space: nowrap;
}

@media (min-width: 861px) {
    .campaign-header__actions {
        flex-wrap: nowrap;
    }
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.stat {
    min-height: 112px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.stat span {
    display: block;
    font-size: 2.1rem;
    font-weight: 800;
    line-height: 1;
}

.stat p {
    margin: 8px 0 0;
    color: var(--muted);
    font-weight: 700;
}

.registration-settings {
    margin-bottom: 18px;
    padding: 16px;
}

.registration-settings__form {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
}

.registration-settings__main {
    display: grid;
    align-items: end;
    grid-template-columns: minmax(230px, 1.1fr) minmax(170px, 0.8fr) minmax(190px, 0.8fr);
    gap: 14px;
    flex: 1 1 auto;
}

.registration-settings__main .checkline {
    min-height: 44px;
    align-self: end;
}

.registration-settings__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    flex: 0 0 auto;
}

.settings-status {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    border-radius: 999px;
    padding: 5px 11px;
    color: var(--primary-dark);
    background: var(--ocean-light);
    font-size: 0.84rem;
    font-weight: 800;
    white-space: nowrap;
}

.settings-status--closed {
    color: var(--error);
    background: var(--error-soft);
}

.table-panel {
    padding: 10px;
}

.danger-zone {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 18px;
    padding: 10px;
    border-color: rgba(184, 50, 50, 0.24);
}

.danger-zone .button--danger {
    width: auto;
    margin-left: auto;
    color: #ffffff;
    border-color: var(--error);
    background: var(--error);
}

.danger-zone .button--danger:hover,
.danger-zone .button--danger:focus {
    color: var(--error);
    border-color: var(--error);
    background: #ffffff;
}

.registration-card {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.registration-card + .registration-card {
    margin-top: 10px;
}

.registration-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.registration-card h2 {
    margin-bottom: 2px;
    font-size: 1.1rem;
}

.registration-card p {
    margin: 0;
    color: var(--muted);
}

.registration-table {
    table-layout: fixed;
    min-width: 1120px;
}

.registration-table__registration {
    width: 15%;
}

.registration-table__nr {
    width: 6%;
}

.registration-table__first-name,
.registration-table__last-name {
    width: 15%;
}

.registration-table__company {
    width: 22%;
}

.registration-table__email {
    width: 27%;
}

.registration-table td,
.registration-table th {
    overflow-wrap: anywhere;
}

.registration-table__group-start > td {
    border-top: 2px solid var(--line);
}

.registration-table tbody tr:first-child > td {
    border-top: 0;
}

.registration-table__primary-person td:not(.registration-meta-cell) {
    font-weight: 800;
}

.registration-meta-cell {
    vertical-align: top;
}

.registration-meta-cell strong,
.registration-meta-cell span:not(.badge) {
    display: block;
}

.registration-meta-cell strong {
    margin-bottom: 4px;
    font-size: 1.05rem;
}

.registration-meta-cell span:not(.badge) {
    margin-bottom: 10px;
    color: var(--muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    border-radius: 999px;
    padding: 4px 10px;
    color: var(--primary-dark);
    background: var(--ocean-light);
    font-size: 0.82rem;
    font-weight: 800;
}

.badge--sponsor {
    color: #7a4110;
    background: #fff0c9;
}

.responsive-table {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

th,
td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
}

td {
    font-size: 0.94rem;
}

.muted-text {
    color: var(--muted);
    font-size: 0.88rem;
}

.table-column--center {
    text-align: center;
    vertical-align: middle;
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    min-width: 180px;
}

.actions-column,
.table-actions-cell {
    width: 184px;
}

.table-actions-cell {
    vertical-align: middle;
}

.table-actions--icons {
    align-items: center;
    justify-content: flex-end;
    flex-wrap: nowrap;
    gap: 8px;
    min-width: 0;
    width: 100%;
}

.table-actions--icons .inline-action-form {
    margin-left: 0;
}

.inline-action-form {
    display: inline-flex;
    margin-left: 8px;
    vertical-align: middle;
}

.action-column,
.table-action-cell {
    width: 56px;
}

.table-action-cell {
    text-align: center;
    vertical-align: middle;
}

.table-action-cell .inline-action-form {
    margin-left: 0;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--primary-dark);
    background: var(--surface);
    font: inherit;
    text-decoration: none;
    cursor: pointer;
}

.icon-button:hover,
.icon-button:focus {
    border-color: var(--primary);
    color: var(--primary);
}

.icon-button--danger {
    border-color: rgba(184, 50, 50, 0.24);
    color: var(--error);
    background: var(--error-soft);
}

.icon-button--danger:hover,
.icon-button--danger:focus {
    border-color: var(--error);
    color: var(--error);
    background: #fff;
}

.modal {
    width: min(100% - 32px, 560px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0;
    color: var(--ink);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.modal::backdrop {
    background: rgba(21, 51, 82, 0.46);
}

.modal-form {
    display: grid;
    gap: 18px;
    padding: 22px;
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.modal__header h2 {
    margin: 0;
    color: var(--error);
    font-size: 1.3rem;
}

.modal p {
    margin: 0;
    color: var(--muted);
}

.modal__actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hash-text {
    display: inline-block;
    max-width: 220px;
    overflow: hidden;
    color: var(--muted);
    font-family: Consolas, Monaco, monospace;
    font-size: 0.82rem;
    text-overflow: ellipsis;
    vertical-align: bottom;
    white-space: nowrap;
}

.mailing-form {
    padding: clamp(18px, 4vw, 34px);
}

.field-grid--campaign {
    grid-template-columns: 2.2fr 0.9fr 0.8fr 0.8fr;
}

.time-selects {
    display: grid;
    align-items: center;
    grid-template-columns: 1fr auto 1fr;
    gap: 8px;
}

.time-selects span {
    color: var(--primary-dark);
    font-size: 1.1rem;
    font-weight: 800;
}

.campaign-options {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 20px;
}

.checkline--campaign,
.field--textarea {
    margin-top: 20px;
}

.placeholder-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.placeholder-list span {
    border: 1px solid rgba(32, 90, 162, 0.16);
    border-radius: 999px;
    padding: 5px 9px;
    color: var(--primary-dark);
    background: rgba(189, 238, 232, 0.42);
    font-size: 0.82rem;
    font-weight: 800;
}

.campaign-test-tools,
.subscriber-tools {
    display: grid;
    gap: 18px;
    margin-top: 22px;
    padding: 18px;
    border: 1px solid rgba(32, 90, 162, 0.16);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.58);
}

.button-row,
.filter-form,
.import-form {
    display: flex;
    align-items: end;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-form .field,
.import-form .field,
.campaign-test-tools .field {
    flex: 1 1 280px;
}

.subscriber-tools {
    margin: 0 0 18px;
}

.preview-panel {
    padding: 10px;
}

.mail-preview-frame {
    display: block;
    width: 100%;
    min-height: 680px;
    border: 0;
    border-radius: 6px;
    background: #ffffff;
}

.campaign-meta {
    margin-bottom: 18px;
    padding: 18px;
}

.campaign-meta dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 0;
}

.campaign-meta dt {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
}

.campaign-meta dd {
    margin: 4px 0 0;
    font-weight: 800;
}

.empty-state {
    margin: 0;
    padding: 24px;
    color: var(--muted);
}

@media (max-width: 860px) {
    .field-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .registration-settings__form,
    .registration-settings__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .registration-settings__main {
        grid-template-columns: 1fr;
    }

    .settings-status {
        justify-content: center;
        white-space: normal;
    }

    .danger-zone {
        justify-content: flex-end;
    }

    .intro--compact {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 620px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

    .topbar-status {
        justify-content: flex-start;
    }

    .topbar-user-menu__panel {
        right: auto;
        left: 0;
    }

    .topbar-user__name {
        max-width: 72vw;
    }

    .brand img {
        height: 36px;
        max-width: 72vw;
    }

    .page-shell {
        width: min(100% - 24px, 980px);
        padding-top: 22px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .field-grid,
    .stats {
        grid-template-columns: 1fr;
    }

    .participant-row {
        padding: 14px;
    }

    .form-actions,
    .button,
    .header-action-form,
    .modal__actions {
        width: 100%;
    }

    .modal__actions {
        flex-direction: column-reverse;
    }
}