:root {
    --light-color: whitesmoke;
    --dark-color: #222;
    --accent-color: #653600;
    --blue-color: #3c7de6;
    --content-border: solid 1px var(--dark-color);
    --muted: #6b6b6b;
    --danger: #b73a3a;
    --success: #2f7a3a;
}

[theme=dark] {
    --light-color: #222;
    --dark-color: whitesmoke;
    --muted: #b0b0b0;
}

* { box-sizing: border-box; }

body {
    background-color: var(--light-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 0;
    margin: 0;
    color: var(--dark-color);
}

body::-webkit-scrollbar { display: none; }
body {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

a { text-decoration: none; color: var(--blue-color); }

.noselect {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* ---- Header (mirrors lehighhillel.org) ---- */
header {
    position: fixed;
    z-index: 10;
    left: 0;
    top: 0;
    background-color: var(--light-color);
    height: 55px;
    font-size: 13pt;
    width: 100%;
    border-top: var(--content-border);
    border-bottom: var(--content-border);
}

header > div {
    position: relative;
    top: 50%;
    transform: translate(0, -50%);
    display: inline-block;
    margin-left: 15px;
}

header div a {
    color: var(--dark-color);
}

header .brand {
    float: left;
    height: 100%;
    border-right: var(--content-border);
    padding: 0 14px;
    display: flex;
    align-items: center;
    font-weight: 600;
    cursor: pointer;
    margin-left: 0;
    top: 0;
    transform: none;
}

header .brand img {
    height: 38px;
    margin-right: 10px;
}

.underline {
    left: 0;
    top: 25px;
    position: absolute;
    right: auto;
    height: 1px;
    bottom: 0;
    margin-left: 0px;
    background-color: var(--dark-color);
    width: 0%;
    transition: 0.3s;
}
.underlined { width: 100%; }
header > div:hover > .underline { width: 100%; }

/* ---- Page layout ---- */
.page {
    max-width: 760px;
    margin: 0 auto;
    padding: 90px 24px 60px;
}
.page.wide { max-width: 1200px; }

h1, h2, h3 { font-weight: 600; margin-top: 0; }
h1 { font-size: 28pt; margin-bottom: 8px; }
h2 { font-size: 18pt; margin-bottom: 12px; }
h3 { font-size: 14pt; margin-bottom: 8px; }
.subtitle {
    color: var(--muted);
    margin-bottom: 28px;
    font-size: 12pt;
}

/* ---- Forms ---- */
.card {
    border: var(--content-border);
    background-color: var(--light-color);
    padding: 22px 24px;
    margin-bottom: 18px;
}

.field { margin-bottom: 14px; }
.field label {
    display: block;
    margin-bottom: 4px;
    font-size: 11pt;
    font-weight: 600;
}
.field .hint { font-size: 9.5pt; color: var(--muted); margin-top: 3px; }
.field-row { display: flex; gap: 12px; }
.field-row > .field { flex: 1 1 0; min-width: 0; }
.field-row > .field > input,
.field-row > .field > select,
.field-row > .field > textarea { max-width: 100%; }

input[type=text],
input[type=email],
input[type=tel],
input[type=number],
input[type=date],
input[type=datetime-local],
input[type=password],
select,
textarea {
    width: 100%;
    max-width: 100%;
    padding: 10px 12px;
    font-size: 16px;             /* iOS won't auto-zoom inputs >=16px */
    font-family: inherit;
    color: var(--dark-color);
    background-color: var(--light-color);
    border: var(--content-border);
    border-radius: 0;
    outline: none;
    min-height: 44px;             /* iOS HIG tap target */
}
textarea { min-height: 80px; }

/* iOS Safari has a baked-in minimum width on date/time inputs that ignores width:100%.
   These overrides let them shrink to fit a flex/grid container. */
input[type=date],
input[type=datetime-local],
input[type=time],
input[type=month] {
    -webkit-min-logical-width: 0;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
    /* iOS centers the value, which can clip text — left-align it */
    text-align: left;
}
/* On small screens, datetime-local needs a slightly smaller font to fit the long "MM/DD/YYYY, HH:MM AM" iOS rendering */
@media (max-width: 420px) {
    input[type=datetime-local] { font-size: 15px; padding: 10px 8px; }
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent-color);
    box-shadow: inset 0 0 0 1px var(--accent-color);
}

input:disabled, select:disabled, textarea:disabled {
    color: var(--muted);
    cursor: not-allowed;
}

textarea { min-height: 80px; resize: vertical; }

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 6px 16px;
}
.checkbox-grid label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    font-size: 11pt;
    cursor: pointer;
}
.checkbox-grid input[type=checkbox] { width: 16px; height: 16px; }

/* ---- Buttons ---- */
button, .btn {
    font-family: inherit;
    font-size: 16px;
    padding: 11px 18px;
    min-height: 44px;             /* iOS HIG tap target */
    border: var(--content-border);
    background-color: var(--blue-color);
    color: white;
    cursor: pointer;
    transition: background-color 0.2s;
    touch-action: manipulation;   /* eliminate 300ms tap delay */
}
button:hover, .btn:hover {
    background-color: var(--accent-color);
}
button.secondary, .btn.secondary {
    background-color: var(--light-color);
    color: var(--dark-color);
}
button.secondary:hover, .btn.secondary:hover {
    background-color: var(--dark-color);
    color: var(--light-color);
}
button.danger, .btn.danger {
    background-color: var(--danger);
    color: white;
}
button:disabled {
    background-color: #ccc;
    color: #777;
    cursor: not-allowed;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

/* ---- Alerts ---- */
.alert {
    padding: 12px 16px;
    border: var(--content-border);
    margin-bottom: 16px;
    font-size: 11pt;
}
.alert.success { background-color: #e7f5ea; border-color: var(--success); color: var(--success); }
.alert.error   { background-color: #fbeaea; border-color: var(--danger);  color: var(--danger); }
.alert.info    { background-color: #eaf1fb; border-color: var(--blue-color); color: var(--blue-color); }

/* ---- Tables ---- */
.table-card {
    border: var(--content-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background-color: var(--light-color);
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11pt;
}
th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: var(--content-border);
    vertical-align: top;
}
th {
    background-color: var(--light-color);
    border-bottom: solid 2px var(--dark-color);
    font-weight: 600;
}
tbody tr:hover { background-color: rgba(0,0,0,0.03); }

/* Keep dates/emails/numbers from wrapping awkwardly */
.table-card td:not(:nth-child(1)),
.table-card th:not(:nth-child(1)) {
    white-space: nowrap;
}
/* First column (usually names / event names) may wrap */
.table-card td:first-child,
.table-card th:first-child {
    min-width: 150px;
}

/* ---- Stats (admin) ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.stat-card {
    border: var(--content-border);
    padding: 16px;
    background-color: var(--light-color);
}
.stat-card .label { font-size: 10pt; color: var(--muted); }
.stat-card .value { font-size: 22pt; font-weight: 600; margin-top: 4px; }

/* ---- Tabs ---- */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: var(--content-border);
    margin-bottom: 18px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
    padding: 10px 18px;
    cursor: pointer;
    border: var(--content-border);
    border-bottom: none;
    background-color: transparent;
    color: var(--dark-color);
    font-size: 12pt;
    transition: background-color 0.2s, color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 44px;
}
.tab:not(.active) { border-color: transparent; }
.tab.active {
    background-color: var(--light-color);
    border-bottom: 1px solid var(--light-color);
    margin-bottom: -1px;
    font-weight: 600;
    color: var(--dark-color);
}
/* Override the global button:hover so tab text stays legible */
.tab:hover {
    background-color: var(--accent-color);
    color: white;
}
.tab.active:hover {
    background-color: var(--light-color);
    color: var(--dark-color);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- Misc ---- */
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }

.filter-bar {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.filter-bar > .field { flex: 0 0 auto; min-width: 140px; }
.filter-bar > button { align-self: flex-end; }
@media (max-width: 700px) {
    .filter-bar > .field, .filter-bar > button { flex: 1 1 100%; }
}
.spacer { flex: 1; }
.muted { color: var(--muted); }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }

.hidden { display: none !important; }

.actions a, .actions button {
    margin-right: 8px;
    font-size: 10pt;
    padding: 4px 10px;
}

/* ---- Small-screen tweaks ---- */
@media (max-width: 700px) {
    .field-row { flex-direction: column; gap: 0; }
    .page { padding: 80px 16px 40px; }
    header { font-size: 11pt; }
    header > div { margin-left: 8px; }
    header .brand { padding: 0 10px; }
    header .brand img { height: 30px; margin-right: 8px; }
    h1 { font-size: 22pt; }
    h2 { font-size: 16pt; }

    /* Stat cards: tighter so 2-up on narrow screens */
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; }
    .stat-card { padding: 12px; }
    .stat-card .value { font-size: 18pt; }

    /* Modal: less top padding so it fits better on phones */
    #user-modal, #event-modal { padding: 16px !important; }

    /* Sticky tab bar so it stays reachable when scrolling long lists */
    .tabs {
        position: sticky;
        top: 55px;
        background-color: var(--light-color);
        z-index: 5;
    }

    /* ===== Card-style table rows ===== */
    .table-card {
        overflow-x: visible;
        border: none;
        background-color: transparent;
    }
    .table-card table,
    .table-card thead,
    .table-card tbody,
    .table-card tr,
    .table-card td,
    .table-card th { display: block; width: 100%; }

    .table-card thead { display: none; }

    .table-card tbody tr {
        border: var(--content-border);
        background-color: var(--light-color);
        margin-bottom: 10px;
        padding: 4px 0;
    }
    .table-card tbody tr:hover { background-color: var(--light-color); }

    .table-card td {
        border: none;
        padding: 6px 14px;
        white-space: normal !important;
        min-width: 0 !important;
        text-align: left;
        font-size: 11pt;
        display: flex;
        gap: 10px;
        align-items: baseline;
    }
    .table-card td::before {
        content: attr(data-label);
        flex: 0 0 90px;
        font-weight: 600;
        font-size: 10pt;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: 0.02em;
    }
    /* Cells with no data-label (e.g. actions) span full width */
    .table-card td:not([data-label])::before { content: none; }

    /* The actions cell gets its own treatment */
    .table-card td.actions {
        display: flex;
        gap: 8px;
        padding: 8px 12px;
        border-top: var(--content-border);
        margin-top: 4px;
    }
    .table-card td.actions::before { display: none; }
    .table-card td.actions button {
        flex: 1 1 auto;
        font-size: 13px;
        padding: 8px 10px;
        min-height: 38px;
    }

    /* Empty muted rows look weird as cards; show as plain text */
    .table-card tbody tr td.muted:only-child { border: none; padding: 12px; }
    .table-card tbody tr:has(td.muted:only-child) { border: none; background: transparent; }
}

@media (max-width: 420px) {
    /* Hide brand-text on the smallest phones; keep the logo */
    header .brand-text { display: none; }
    header .brand { border-right: var(--content-border); }
}