:root {
    --primary-color: #1f5f8b;
    --secondary-color: #2f855a;
    --accent-color: #d69e2e;
    --background-color: #f4f6f8;
    --surface-color: #ffffff;
    --text-color: #20252a;
    --muted-color: #66717c;
    --border-color: #d9dee3;
    --danger-color: #b83232;
    --shadow: 0 3px 12px rgb(0 0 0 / 8%);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
}

body {
    margin: 0;
    background: var(--background-color);
    color: var(--text-color);
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

button,
.button {
    display: inline-block;
    min-height: 40px;
    padding: 9px 14px;
    border: 1px solid var(--primary-color);
    border-radius: 7px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    cursor: pointer;
}

button:hover,
.button:hover {
    filter: brightness(0.92);
}

.button-secondary {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 5px rgb(0 0 0 / 5%);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    max-width: 1200px;
    min-height: 68px;
    margin: 0 auto;
    padding: 10px 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 700;
}

.brand-logo {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    overflow: hidden;
    border-radius: 9px;
    background: var(--primary-color);
    color: white;
    font-size: 0.9rem;
    font-weight: 800;
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: white;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-name {
    font-size: 1.15rem;
}

.organization-name {
    color: var(--muted-color);
    font-size: 0.85rem;
    font-weight: 500;
}

.mobile-menu-button {
    display: none;
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-color);
}

.site-layout {
    display: flex;
    max-width: 1200px;
    min-height: calc(100vh - 68px);
    margin: 0 auto;
}

.sidebar {
    width: 230px;
    flex: 0 0 230px;
    padding: 24px 14px;
}

.sidebar-nav {
    display: grid;
    gap: 5px;
}

.sidebar-nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 7px;
    color: var(--text-color);
    text-decoration: none;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: color-mix(
        in srgb,
        var(--primary-color) 12%,
        transparent
    );
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar-separator {
    height: 1px;
    margin: 12px 0;
    background: var(--border-color);
}

.content {
    min-width: 0;
    flex: 1;
    padding: 28px 20px 50px;
}

.content-inner {
    max-width: 960px;
}

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

.page-header h1 {
    margin: 0 0 5px;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.page-subtitle {
    margin: 0;
    color: var(--muted-color);
}

.card {
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--surface-color);
    box-shadow: var(--shadow);
}

.messages {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
}

.message {
    padding: 11px 14px;
    border-left: 4px solid var(--primary-color);
    border-radius: 6px;
    background: var(--surface-color);
    box-shadow: 0 1px 5px rgb(0 0 0 / 5%);
}

.message.error {
    border-left-color: var(--danger-color);
}

.message.success {
    border-left-color: var(--secondary-color);
}

.message.warning {
    border-left-color: var(--accent-color);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted-color);
    font-size: 0.9rem;
}

.user-menu form {
    margin: 0;
}

.user-menu button {
    min-height: 34px;
    padding: 6px 10px;
    font-size: 0.85rem;
}

.organization-switcher {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.organization-switcher select {
    width: 100%;
    min-height: 38px;
    padding: 7px 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: white;
}

@media (max-width: 760px) {
    .header-inner {
        min-height: 60px;
        padding: 8px 12px;
    }

    .mobile-menu-button {
        display: inline-block;
    }

    .user-menu {
        display: none;
    }

    .site-layout {
        display: block;
    }

    .sidebar {
        display: none;
        width: auto;
        padding: 10px 12px;
        border-bottom: 1px solid var(--border-color);
        background: var(--surface-color);
    }

    .sidebar.open {
        display: block;
    }

    .sidebar-nav {
        gap: 2px;
    }

    .content {
        padding: 20px 12px 40px;
    }
}

.event-table-wrapper {
    overflow-x: auto;
}

.event-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 14px;
}

.event-table th,
.event-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: top;
}

.event-table th {
    color: var(--muted-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

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

.table-muted {
    color: var(--muted-color);
    font-size: 0.9rem;
}

@media (max-width: 700px) {
    .event-table,
    .event-table thead,
    .event-table tbody,
    .event-table tr,
    .event-table td {
        display: block;
    }

    .event-table thead {
        display: none;
    }

    .event-table tr {
        margin-bottom: 14px;
        padding: 10px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
    }

    .event-table td {
        display: grid;
        grid-template-columns: 110px 1fr;
        gap: 8px;
        padding: 7px 4px;
        border-bottom: 0;
    }

    .event-table td::before {
        content: attr(data-label);
        color: var(--muted-color);
        font-weight: 600;
    }

    .event-table .button {
        text-align: center;
    }
}
.mobile-logout {
    display: none;
}

.mobile-logout form {
    margin: 0;
}

.mobile-logout button {
    width: 100%;
}

@media (max-width: 760px) {
    .mobile-logout {
        display: block;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--border-color);
    }
}