:root {
    --bg: #e9ecf2;
    --surface: #eef1f6;
    --dark-blue: #212f53;
    --light-blue: #155a9e;
    --pink: #f067af;
    --pink-hover: #d9559a;
    --shadow-light: rgba(255, 255, 255, 0.9);
    --shadow-dark: rgba(184, 189, 201, 0.5);
    --shadow-dark-strong: rgba(184, 189, 201, 0.8);
    --text-muted: #5a6478;
    --error-bg: #fde2ec;
    --error-fg: #a3315a;
    --success-bg: #d8ebd9;
    --success-fg: #2f6f3a;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--dark-blue);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

.shell {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 20px 80px;
}

/* Top bar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
}

.brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--dark-blue);
    letter-spacing: -0.01em;
}

.brand .dot {
    color: var(--pink);
}

.topbar-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Page heading */
.page-heading {
    margin: 0 0 8px;
    font-size: 1.75rem;
    letter-spacing: -0.01em;
}

.page-sub {
    margin: 0 0 28px;
    color: var(--text-muted);
}

/* Neumorphic card */
.card {
    background: var(--surface);
    border-radius: 18px;
    padding: 24px;
    box-shadow:
        -6px -6px 12px var(--shadow-light),
        6px 6px 12px var(--shadow-dark);
}

.card-sm {
    padding: 18px;
    border-radius: 14px;
    box-shadow:
        -4px -4px 8px var(--shadow-light),
        4px 4px 8px var(--shadow-dark);
}

.card-lg {
    padding: 32px;
    border-radius: 22px;
    box-shadow:
        -8px -8px 16px var(--shadow-light),
        8px 8px 16px var(--shadow-dark);
}

/* Inset / pressed */
.inset {
    background: var(--surface);
    border-radius: 14px;
    box-shadow:
        inset -4px -4px 8px var(--shadow-light),
        inset 4px 4px 8px var(--shadow-dark);
}

/* Course overview (column-per-course layout) */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px 24px;
    align-items: start;
    margin-top: 8px;
}

.overview-grid-admin {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px 18px;
}

.course-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
    text-align: center;
}

.course-audience {
    font-weight: 700;
    color: var(--dark-blue);
    text-decoration: underline;
    text-underline-offset: 4px;
    font-size: 0.98rem;
    padding-bottom: 4px;
}

.course-title {
    color: var(--dark-blue);
    font-size: 1rem;
    margin-bottom: 6px;
    min-height: 1.5em;
}

.session-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 14px 14px;
    border-radius: 12px;
    background: var(--dark-blue);
    color: #fff;
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    line-height: 1.25;
    box-shadow:
        -4px -4px 8px var(--shadow-light),
        4px 4px 8px var(--shadow-dark);
    transition: transform 80ms ease, box-shadow 120ms ease, background 120ms ease;
}

.session-btn:hover {
    background: #2c3d6b;
    color: #fff;
    text-decoration: none;
}

.session-btn:active {
    transform: translateY(1px);
    box-shadow:
        inset -3px -3px 6px rgba(255, 255, 255, 0.12),
        inset 3px 3px 6px rgba(0, 0, 0, 0.35);
}

.session-btn.full {
    background: #6e2645;
}

.session-btn.full:hover {
    background: #843056;
}

.session-btn-tag {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.18);
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: 0.08em;
}

.session-btn-count {
    display: inline-block;
    margin-top: 3px;
    font-size: 0.72rem;
    opacity: 0.85;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Event list */
.event-list {
    display: grid;
    gap: 18px;
}

.event-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.event-card .event-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.event-title {
    margin: 0;
    font-size: 1.2rem;
    color: var(--dark-blue);
}

.event-slug {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.event-audience {
    color: var(--dark-blue);
    font-weight: 600;
}

.event-when {
    color: var(--dark-blue);
    margin: 0;
}

.event-link {
    word-break: break-all;
    color: var(--light-blue);
    font-size: 0.9rem;
}

.event-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    background: var(--surface);
    color: var(--dark-blue);
    box-shadow:
        inset -3px -3px 6px var(--shadow-light),
        inset 3px 3px 6px var(--shadow-dark);
}

.pill.accent {
    color: var(--light-blue);
}

.pill.warn {
    color: #b87a00;
}

.pill.full {
    color: var(--error-fg);
}

.pill.ok {
    color: #2f6f3a;
}

.event-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 14px;
    border: 0;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    background: var(--surface);
    color: var(--dark-blue);
    box-shadow:
        -4px -4px 8px var(--shadow-light),
        4px 4px 8px var(--shadow-dark);
    transition: box-shadow 120ms ease, transform 80ms ease, color 120ms ease;
    text-decoration: none;
}

.btn:hover {
    color: var(--light-blue);
    text-decoration: none;
}

.btn:active,
.btn.is-pressed {
    box-shadow:
        inset -3px -3px 6px var(--shadow-light),
        inset 3px 3px 6px var(--shadow-dark);
    transform: translateY(1px);
}

.btn-primary {
    background: var(--pink);
    color: #fff;
    box-shadow:
        -4px -4px 8px var(--shadow-light),
        4px 4px 10px var(--shadow-dark-strong);
}

.btn-primary:hover {
    color: #fff;
    background: var(--pink-hover);
}

.btn-blue {
    background: var(--light-blue);
    color: #fff;
    box-shadow:
        -4px -4px 8px var(--shadow-light),
        4px 4px 10px var(--shadow-dark-strong);
}

.btn-blue:hover {
    color: #fff;
    background: #0e4880;
}

.btn-blue:active {
    box-shadow:
        inset -3px -3px 6px rgba(255,255,255,0.18),
        inset 3px 3px 6px rgba(0, 30, 70, 0.4);
}

.btn-primary:active {
    box-shadow:
        inset -3px -3px 6px rgba(255,255,255,0.4),
        inset 3px 3px 6px rgba(120, 30, 70, 0.4);
}

.btn-ghost {
    background: transparent;
    box-shadow: none;
    padding: 10px 14px;
}

.btn-ghost:hover {
    color: var(--light-blue);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
    border-radius: 10px;
    box-shadow:
        -3px -3px 6px var(--shadow-light),
        3px 3px 6px var(--shadow-dark);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn[disabled],
.btn.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Forms */
.form {
    display: grid;
    gap: 16px;
}

.form-row {
    display: grid;
    gap: 6px;
}

.form-row label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--dark-blue);
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row input[type="number"],
.form-row input[type="url"],
.form-row input[type="datetime-local"],
.form-row textarea,
.form-row select {
    width: 100%;
    padding: 13px 16px;
    border-radius: 12px;
    border: 0;
    background: var(--surface);
    color: var(--dark-blue);
    font-size: 1rem;
    box-shadow:
        inset -4px -4px 8px var(--shadow-light),
        inset 4px 4px 8px var(--shadow-dark);
    outline: none;
}

.form-row input::placeholder {
    color: #9aa1b1;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
    box-shadow:
        inset -4px -4px 8px var(--shadow-light),
        inset 4px 4px 8px var(--shadow-dark),
        0 0 0 2px rgba(21, 90, 158, 0.25);
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 560px) {
    .form-grid-2 { grid-template-columns: 1fr; }
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-row input[type="checkbox"] {
    width: 22px;
    height: 22px;
    accent-color: var(--pink);
}

/* Flash messages */
.flash-stack {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.flash {
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 500;
}

.flash.error {
    background: var(--error-bg);
    color: var(--error-fg);
}

.flash.success {
    background: var(--success-bg);
    color: var(--success-fg);
}

/* Admin */
.admin-grid {
    display: grid;
    gap: 16px;
}

.admin-event-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
}

.admin-event-row .meta {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.95rem;
}

.table th, .table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(33, 47, 83, 0.08);
    vertical-align: middle;
}

.table th {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 600;
}

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

.muted {
    color: var(--text-muted);
}

.center {
    text-align: center;
}

.spacer-lg { height: 24px; }
.spacer-md { height: 16px; }

/* Progress bar */
.progress {
    height: 10px;
    border-radius: 999px;
    background: var(--surface);
    box-shadow:
        inset -2px -2px 4px var(--shadow-light),
        inset 2px 2px 4px var(--shadow-dark);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--light-blue), var(--pink));
    border-radius: 999px;
    transition: width 200ms ease;
}

.progress-fill.full {
    background: var(--error-fg);
}

/* Confirmed page */
.confirmed-hero {
    text-align: center;
    padding: 8px 0 0;
}

.confirmed-check {
    width: 72px;
    height: 72px;
    border-radius: 999px;
    background: var(--surface);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow:
        -6px -6px 12px var(--shadow-light),
        6px 6px 12px var(--shadow-dark);
    color: var(--pink);
    font-size: 2rem;
    font-weight: 700;
}

/* User chip in topbar */
.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 5px 20px 5px 6px;
    border-radius: 999px;
    background: var(--surface);
    box-shadow:
        inset -3px -3px 6px var(--shadow-light),
        inset 3px 3px 6px var(--shadow-dark);
    font-size: 0.88rem;
    color: var(--dark-blue);
    font-weight: 600;
}

.user-chip:not(:has(img)) {
    /* No avatar — give the name even spacing on both sides */
    padding: 5px 20px;
}

.user-chip img {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    object-fit: cover;
    background: var(--bg);
}

.user-chip-name {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 560px) {
    .user-chip-name { display: none; }
    .user-chip { padding: 4px; gap: 0; }
}

/* Google sign-in button */
.google-btn {
    width: 100%;
    justify-content: center;
    padding: 14px 22px;
    font-size: 1rem;
}

/* Event facts definition list */
.event-facts {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 8px 18px;
    margin: 0;
    font-size: 0.98rem;
}

.event-facts dt {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    padding-top: 4px;
}

.event-facts dd {
    margin: 0;
    color: var(--dark-blue);
}

.event-facts.compact {
    font-size: 0.92rem;
}

@media (max-width: 480px) {
    .event-facts {
        grid-template-columns: 1fr;
        gap: 2px 0;
    }
    .event-facts dt {
        padding-top: 10px;
    }
}

.text-error { color: var(--error-fg); font-weight: 600; }

/* Admin-only language switch — plain button, no wrapping chip */
.lang-switch {
    margin: 0;
    display: inline-flex;
}

.lang-switch .btn {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.06em;
    font-weight: 700;
}

/* Admin users table — role dropdown sits in the Role column, delete in actions */
.users-table .actions-cell {
    white-space: nowrap;
    text-align: right;
    padding-right: 14px;
}

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

.role-select {
    padding: 6px 28px 6px 12px;
    border-radius: 999px;
    border: 0;
    background: var(--surface);
    color: var(--dark-blue);
    font-size: 0.82rem;
    font-weight: 600;
    box-shadow:
        inset -3px -3px 6px var(--shadow-light),
        inset 3px 3px 6px var(--shadow-dark);
    outline: none;
    cursor: pointer;
    min-width: 105px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%23212f53' d='M0 0l5 6 5-6z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.role-select:focus {
    box-shadow:
        inset -3px -3px 6px var(--shadow-light),
        inset 3px 3px 6px var(--shadow-dark),
        0 0 0 2px rgba(21, 90, 158, 0.25);
}

.role-select--admin  { color: var(--light-blue); }
.role-select--viewer { color: #b87a00; }

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

/* My bookings — compact table */
.my-bookings-table {
    font-size: 0.95rem;
}

.my-bookings-table th,
.my-bookings-table td {
    padding: 10px 14px;
}

.my-bookings-table .when-cell {
    white-space: nowrap;
    min-width: 130px;
}

.my-bookings-table .when-date {
    font-weight: 700;
    color: var(--dark-blue);
}

.my-bookings-table .when-time {
    font-size: 0.82rem;
    line-height: 1.3;
}

.meet-link,
.cal-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--surface);
    color: var(--light-blue);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    box-shadow:
        -2px -2px 4px var(--shadow-light),
        2px 2px 4px var(--shadow-dark);
    white-space: nowrap;
}

.cal-link {
    color: var(--dark-blue);
}

.meet-link:hover,
.cal-link:hover {
    text-decoration: none;
    color: var(--pink);
}

.link-stack {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    align-items: flex-start;
}

@media (max-width: 640px) {
    .my-bookings-table th:nth-child(3),
    .my-bookings-table td:nth-child(3) {
        display: none; /* hide Skakel column on small screens */
    }
}

/* ---------------- Confirm modal (replaces native window.confirm) ---------------- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(33, 47, 83, 0.45);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: modalFadeIn 120ms ease-out;
}

.modal-backdrop[hidden] { display: none; }

@keyframes modalFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-card {
    background: var(--surface);
    border-radius: 22px;
    padding: 28px 28px 22px;
    max-width: 460px;
    width: 100%;
    box-shadow:
        -10px -10px 24px rgba(255, 255, 255, 0.9),
        10px 10px 24px rgba(33, 47, 83, 0.35);
    animation: modalPop 140ms cubic-bezier(.2,.9,.3,1);
}

@keyframes modalPop {
    from { transform: translateY(8px) scale(0.97); opacity: 0; }
    to   { transform: translateY(0)    scale(1);    opacity: 1; }
}

.modal-message {
    margin: 0 0 22px;
    color: var(--dark-blue);
    font-size: 1.02rem;
    line-height: 1.45;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* ---------------- Flatpickr neumorphic theme override ---------------- */
/* Hide the underlying <input type="datetime-local"> when Flatpickr promotes
   it (altInput=true). Flatpickr already does this but we make it explicit. */
.flatpickr-input.form-row,
.flatpickr-input.flatpickr-mobile {
    /* fall-through styling matches our form inputs */
}

.flatpickr-calendar {
    background: var(--surface) !important;
    border-radius: 18px !important;
    border: 0 !important;
    box-shadow:
        -6px -6px 14px rgba(255, 255, 255, 0.9),
        6px 6px 14px rgba(33, 47, 83, 0.25) !important;
    /* No horizontal padding — Flatpickr's day grid has a fixed width and
       horizontal padding would clip the Saturday column. */
    padding: 8px 0 !important;
    font-family: inherit !important;
    color: var(--dark-blue) !important;
    overflow: visible !important;
}

.flatpickr-calendar.arrowTop:before,
.flatpickr-calendar.arrowTop:after,
.flatpickr-calendar.arrowBottom:before,
.flatpickr-calendar.arrowBottom:after {
    display: none !important;
}

.flatpickr-months {
    padding: 6px 4px 8px !important;
}

.flatpickr-month,
.flatpickr-current-month,
.flatpickr-monthDropdown-months,
.flatpickr-current-month input.cur-year {
    color: var(--dark-blue) !important;
    fill: var(--dark-blue) !important;
    font-weight: 700 !important;
}

.flatpickr-monthDropdown-months {
    background: transparent !important;
    appearance: none !important;
    cursor: pointer !important;
}

.flatpickr-prev-month,
.flatpickr-next-month {
    color: var(--dark-blue) !important;
    fill: var(--dark-blue) !important;
    padding: 6px !important;
}
.flatpickr-prev-month:hover svg,
.flatpickr-next-month:hover svg {
    fill: var(--pink) !important;
}

.flatpickr-weekdays { background: transparent !important; }
.flatpickr-weekday {
    color: var(--text-muted) !important;
    font-weight: 700 !important;
    font-size: 0.74rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.06em !important;
}

.flatpickr-day {
    color: var(--dark-blue) !important;
    border-radius: 8px !important;
    border: 0 !important;
    font-weight: 500 !important;
    /* No width/margin overrides — Flatpickr's default sizing fits the grid */
}

.flatpickr-day:hover {
    background: var(--bg) !important;
    color: var(--light-blue) !important;
}

.flatpickr-day.today {
    border: 0 !important;
    color: var(--light-blue) !important;
    font-weight: 700 !important;
}

.flatpickr-day.selected,
.flatpickr-day.selected:hover {
    background: var(--pink) !important;
    color: #fff !important;
    box-shadow:
        -2px -2px 5px rgba(255, 255, 255, 0.6),
        2px 2px 5px rgba(184, 70, 130, 0.4) !important;
}

.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
    color: rgba(33, 47, 83, 0.25) !important;
}

.flatpickr-day.flatpickr-disabled {
    color: rgba(33, 47, 83, 0.18) !important;
}

/* Time picker */
.flatpickr-time {
    background: var(--bg) !important;
    border-top: 1px solid rgba(33, 47, 83, 0.08) !important;
    border-radius: 0 0 14px 14px !important;
    margin-top: 8px !important;
    padding: 6px 0 !important;
}

.flatpickr-time input {
    background: transparent !important;
    color: var(--dark-blue) !important;
    font-weight: 700 !important;
    font-size: 1rem !important;
}

.flatpickr-time .flatpickr-time-separator,
.flatpickr-time .flatpickr-am-pm {
    color: var(--dark-blue) !important;
    font-weight: 700 !important;
}

.flatpickr-time .numInputWrapper:hover,
.flatpickr-time input:focus {
    background: var(--surface) !important;
    border-radius: 8px !important;
}

/* Shareable URL box on admin event page */
.share-box {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 14px;
    background: var(--surface);
    box-shadow:
        inset -3px -3px 6px var(--shadow-light),
        inset 3px 3px 6px var(--shadow-dark);
}

.share-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.share-label .muted {
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.82rem;
    font-weight: 400;
}

.share-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.share-input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 10px 14px;
    border-radius: 10px;
    border: 0;
    background: var(--bg);
    color: var(--dark-blue);
    font-size: 0.9rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    box-shadow:
        inset -2px -2px 4px var(--shadow-light),
        inset 2px 2px 4px var(--shadow-dark);
    outline: none;
}

.share-input:focus {
    box-shadow:
        inset -2px -2px 4px var(--shadow-light),
        inset 2px 2px 4px var(--shadow-dark),
        0 0 0 2px rgba(21, 90, 158, 0.25);
}

/* Avatar in admin user table */
.avatar-sm {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    object-fit: cover;
    background: var(--bg);
}

/* 404 */
.fourohfour {
    text-align: center;
    padding: 40px 0;
}

.fourohfour .big {
    font-size: 3rem;
    margin: 0;
    color: var(--pink);
}