:root {
    --color-brand: #ef3f3f;
    --color-brand-dark: #c92b2b;
    --color-ink: #15202b;
    --color-muted: #64748b;
    --color-line: #dce3eb;
    --color-surface: #ffffff;
    --color-canvas: #f4f6f8;
    --color-sidebar: #12202d;
    --color-sidebar-muted: #a9b8c6;
    --color-success: #087443;
    --shadow-card: 0 16px 45px rgba(21, 32, 43, 0.09);
    --radius-large: 18px;
    --radius-medium: 12px;
    --radius-small: 8px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--color-ink);
    background: var(--color-canvas);
}

* {
    box-sizing: border-box;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--color-ink);
    background: var(--color-canvas);
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    letter-spacing: -0.03em;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.15;
}

h2 {
    margin-bottom: 0;
    font-size: 1.25rem;
}

h3 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: #ffffff;
    text-decoration: none;
}

.brand__mark {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border-radius: 0.65rem;
    color: #ffffff;
    background: var(--color-brand);
    font-size: 1.05rem;
    font-weight: 800;
}

.brand__name {
    font-size: 1.45rem;
    font-weight: 780;
    letter-spacing: -0.06em;
}

.brand--guest {
    color: var(--color-ink);
}

.eyebrow {
    margin-bottom: 0.35rem;
    color: var(--color-brand);
    font-size: 0.74rem;
    font-weight: 750;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.button {
    display: inline-flex;
    min-height: 2.8rem;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius-small);
    padding: 0.65rem 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button--primary {
    color: #ffffff;
    background: var(--color-brand);
}

.button--primary:hover {
    background: var(--color-brand-dark);
}

.button--ghost {
    border-color: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    background: transparent;
}

.button--ghost:hover {
    border-color: rgba(255, 255, 255, 0.32);
    background: rgba(255, 255, 255, 0.08);
}

.button--full {
    width: 100%;
}

.guest-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(239, 63, 63, 0.16), transparent 28rem),
        var(--color-canvas);
}

.guest-shell {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 1.5rem;
}

.guest-card {
    width: min(100%, 29rem);
    padding: clamp(1.75rem, 5vw, 3rem);
    border: 1px solid rgba(220, 227, 235, 0.9);
    border-radius: var(--radius-large);
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
}

.login-intro {
    margin-top: 2.5rem;
    margin-bottom: 2rem;
}

.login-intro p:not(.eyebrow) {
    margin-bottom: 0;
    color: var(--color-muted);
    line-height: 1.6;
}

.form-stack {
    display: grid;
    gap: 1.15rem;
}

.field {
    display: grid;
    gap: 0.45rem;
}

.field label {
    font-size: 0.9rem;
    font-weight: 700;
}

.field input {
    width: 100%;
    min-height: 2.9rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    padding: 0.7rem 0.8rem;
    outline: none;
    color: var(--color-ink);
    background: #ffffff;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.field input:focus {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px rgba(239, 63, 63, 0.13);
}

.field__error {
    margin-bottom: 0;
    color: #b42318;
    font-size: 0.84rem;
    line-height: 1.4;
}

.checkbox-field {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: #445466;
    font-size: 0.9rem;
}

.checkbox-field input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-brand);
}

.login-note {
    margin: 1.5rem 0 0;
    color: var(--color-muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

.app-shell {
    display: grid;
    min-height: 100vh;
    grid-template-columns: 16.75rem minmax(0, 1fr);
}

.sidebar {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    padding: 1.5rem 1rem;
    color: #ffffff;
    background: var(--color-sidebar);
}

.main-nav {
    display: grid;
    gap: 0.3rem;
    margin-top: 3rem;
}

.main-nav__link {
    display: block;
    border-radius: var(--radius-small);
    padding: 0.75rem 0.85rem;
    color: #e7edf3;
    font-size: 0.93rem;
    font-weight: 650;
    text-decoration: none;
}

.main-nav__link.is-active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
}

.main-nav__link.is-disabled {
    color: var(--color-sidebar-muted);
    cursor: not-allowed;
}

.sidebar__footer {
    display: grid;
    gap: 1rem;
    margin-top: auto;
}

.user-summary {
    display: grid;
    gap: 0.2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    padding: 1.25rem 0.35rem 0;
}

.user-summary__name {
    overflow: hidden;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-summary__role {
    color: var(--color-sidebar-muted);
    font-size: 0.8rem;
}

.main-content {
    width: min(100%, 90rem);
    margin: 0 auto;
    padding: clamp(1.25rem, 4vw, 3rem);
}

.topbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.metric-card,
.content-card {
    border: 1px solid var(--color-line);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
    box-shadow: 0 2px 8px rgba(21, 32, 43, 0.025);
}

.metric-card {
    min-height: 9.4rem;
    padding: 1.3rem;
}

.metric-card--muted {
    background: #eef3f7;
}

.metric-card__label {
    margin-bottom: 1rem;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.metric-card__value {
    margin-bottom: 0.4rem;
    font-size: 2.15rem;
    font-weight: 780;
    letter-spacing: -0.06em;
}

.metric-card__hint,
.metric-card__text {
    margin-bottom: 0;
    color: var(--color-muted);
    font-size: 0.87rem;
    line-height: 1.45;
}

.content-card {
    overflow: hidden;
}

.content-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--color-line);
    padding: 1.35rem;
}

.content-card__header .eyebrow {
    margin-bottom: 0.2rem;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid var(--color-line);
    padding: 1rem 1.35rem;
    vertical-align: middle;
}

.data-table th {
    color: var(--color-muted);
    font-size: 0.74rem;
    font-weight: 750;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.data-table tr:last-child td {
    border-bottom: 0;
}

.table-subtext {
    display: block;
    margin-top: 0.2rem;
    color: var(--color-muted);
    font-size: 0.8rem;
}

.status-badge {
    display: inline-flex;
    border-radius: 999px;
    padding: 0.3rem 0.58rem;
    font-size: 0.76rem;
    font-weight: 750;
    text-transform: capitalize;
}

.status-badge--active {
    color: var(--color-success);
    background: #dff6e9;
}

.empty-state {
    padding: 2.5rem 1.35rem;
    color: var(--color-muted);
}

.empty-state p {
    margin-bottom: 0;
    line-height: 1.5;
}

.alert {
    margin-bottom: 1.25rem;
    border-radius: var(--radius-small);
    padding: 0.9rem 1rem;
    font-size: 0.9rem;
}

.alert--success {
    border: 1px solid #9de2b6;
    color: #075c36;
    background: #e5f9ed;
}

@media (max-width: 860px) {
    .app-shell {
        display: block;
    }

    .sidebar {
        min-height: auto;
        padding: 1rem;
    }

    .main-nav {
        display: flex;
        overflow-x: auto;
        gap: 0.45rem;
        margin-top: 1.25rem;
        padding-bottom: 0.15rem;
    }

    .main-nav__link {
        flex: 0 0 auto;
    }

    .sidebar__footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        margin-top: 1.25rem;
    }

    .user-summary {
        border-top: 0;
        padding-top: 0;
    }

    .sidebar__footer form {
        flex: 0 0 auto;
    }

    .button--full {
        width: auto;
    }

    .metric-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .guest-shell {
        padding: 0.75rem;
    }

    .guest-card {
        padding: 1.5rem;
    }

    .main-content {
        padding: 1.15rem 0.9rem;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
        margin-bottom: 1.25rem;
    }

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

    .data-table th,
    .data-table td {
        padding: 0.85rem 0.9rem;
    }
}

/* event-management-styles */
.button--secondary {
    border-color: var(--color-line);
    color: var(--color-ink);
    background: #ffffff;
}

.button--secondary:hover {
    border-color: #aab7c5;
    background: #f8fafc;
}

.text-link {
    color: var(--color-brand-dark);
    font-size: 0.88rem;
    font-weight: 750;
    text-decoration: none;
}

.text-link:hover {
    text-decoration: underline;
}

.table-action {
    text-align: right;
}

.form-card {
    overflow: hidden;
}

.form-card__body {
    padding: 1.35rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
}

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

.field select {
    width: 100%;
    min-height: 2.9rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    padding: 0.7rem 0.8rem;
    outline: none;
    color: var(--color-ink);
    background: #ffffff;
}

.field select:focus {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px rgba(239, 63, 63, 0.13);
}

.field__optional {
    color: var(--color-muted);
    font-weight: 500;
}

.form-card__note {
    margin-top: 1.35rem;
    border: 1px solid #d8e5f1;
    border-radius: var(--radius-small);
    padding: 0.9rem 1rem;
    color: #41566c;
    background: #f1f6fb;
    font-size: 0.88rem;
    line-height: 1.5;
}

.form-card__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    border-top: 1px solid var(--color-line);
    padding: 1.1rem 1.35rem;
}

.empty-state__action {
    margin-top: 1.25rem;
}

.event-hero {
    overflow: hidden;
    margin-bottom: 1.25rem;
    border-color: #1e3446;
    color: #ffffff;
    background:
        radial-gradient(circle at top right, rgba(239, 63, 63, 0.75), transparent 26rem),
        #1b2d3d;
}

.event-hero__content {
    padding: clamp(1.5rem, 4vw, 2.5rem);
}

.event-hero h2 {
    margin: 1rem 0 0.45rem;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

.event-hero p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.85);
}

.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
    gap: 1.25rem;
}

.detail-list {
    margin: 0;
    padding: 0.35rem 1.35rem 1.15rem;
}

.detail-list > div {
    display: grid;
    grid-template-columns: minmax(8rem, 0.7fr) minmax(0, 1.3fr);
    gap: 1rem;
    border-bottom: 1px solid var(--color-line);
    padding: 1rem 0;
}

.detail-list > div:last-child {
    border-bottom: 0;
}

.detail-list dt {
    color: var(--color-muted);
    font-size: 0.84rem;
    font-weight: 700;
}

.detail-list dd {
    margin: 0;
    font-size: 0.92rem;
}

.status-badge--draft {
    color: #7a4a00;
    background: #fff0ce;
}

.status-badge--active {
    color: var(--color-success);
    background: #dff6e9;
}

.status-badge--registration_closed {
    color: #475569;
    background: #e6ebf0;
}

.status-badge--completed,
.status-badge--archived {
    color: #475569;
    background: #e6ebf0;
}

@media (max-width: 760px) {
    .form-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .form-card__footer {
        align-items: stretch;
        flex-direction: column-reverse;
    }

    .form-card__footer .button {
        width: 100%;
    }

    .detail-list > div {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }
}

/* participant-rsvp-styles */
.page-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.metric-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.participant-header { align-items: end; }
.filter-form { display: grid; gap: 0.35rem; min-width: 9rem; }
.filter-form label { color: var(--color-muted); font-size: 0.78rem; font-weight: 700; }
.filter-form select, .field textarea { width: 100%; border: 1px solid var(--color-line); border-radius: var(--radius-small); padding: 0.7rem 0.8rem; color: var(--color-ink); background: #fff; }
.field textarea { resize: vertical; min-height: 6rem; }
.choice-fieldset { display: grid; gap: 0.7rem; margin: 0; border: 1px solid var(--color-line); border-radius: var(--radius-small); padding: 1rem; }
.choice-fieldset legend { padding: 0 0.35rem; font-size: 0.9rem; font-weight: 700; }
.rsvp-event-info { display: grid; gap: 0.25rem; margin: -0.5rem 0 1.5rem; border-left: 3px solid var(--color-brand); padding: 0.5rem 0 0.5rem 0.8rem; color: var(--color-muted); font-size: 0.9rem; }
.rsvp-event-info strong { color: var(--color-ink); }
.status-badge--pending { color: #7a4a00; background: #fff0ce; }
.status-badge--confirmed { color: var(--color-success); background: #dff6e9; }
.status-badge--declined, .status-badge--cancelled { color: #9b1c1c; background: #fee4e2; }
.status-badge--waitlisted { color: #38536b; background: #e4eef6; }
@media (max-width: 860px) { .metric-grid--four { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .metric-grid--four { grid-template-columns: 1fr; } .participant-header { align-items: stretch; flex-direction: column; } .filter-form { width: 100%; } }

/* structured-meal-styles */
.checkbox-field--boxed {
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    padding: 0.85rem 1rem;
    background: #ffffff;
}

/* event-action-grid-styles */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.action-card {
    display: grid;
    gap: 0.45rem;
    min-height: 8.25rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-medium);
    padding: 1.2rem;
    color: var(--color-ink);
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(21, 32, 43, 0.025);
    text-decoration: none;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.action-card:hover {
    border-color: var(--color-brand);
    box-shadow: 0 12px 25px rgba(21, 32, 43, 0.09);
    transform: translateY(-2px);
}

.action-card strong {
    color: var(--color-brand-dark);
    font-size: 1rem;
}

.action-card span {
    color: var(--color-muted);
    font-size: 0.86rem;
    line-height: 1.45;
}

/* bulk-participant-actions-styles */
.bulk-action-bar { display:flex; flex-wrap:wrap; align-items:center; gap:.75rem; padding:1rem 1.35rem; border-bottom:1px solid var(--color-line); background:#f8fafc; }
.bulk-action-bar select { min-height:2.6rem; border:1px solid var(--color-line); border-radius:var(--radius-small); padding:.5rem .7rem; background:#fff; }

/* qr-reader-styles */
.scanner-actions { display:flex; gap:.75rem; margin-bottom:1rem; }
.qr-reader { width:min(100%, 420px); margin:0 auto 1.25rem; border:1px solid var(--color-line); border-radius:var(--radius-medium); overflow:hidden; background:#000; }
.qr-reader video { width:100% !important; height:auto !important; }