:root {
    --isc-ink: #17191f;
    --isc-muted: #667085;
    --isc-line: #dde2e8;
    --isc-soft-line: #edf0f3;
    --isc-soft: #f5f7f9;
    --isc-yellow: #ffd633;
    --isc-yellow-strong: #f4c900;
    --isc-blue: #2864dc;
    --isc-blue-soft: #eef4ff;
    --isc-red: #d92d20;
    --isc-green: #16845b;
    --isc-tax: #2864dc;
    --isc-official: #805ad5;
    --isc-insurance: #e47a16;
    --isc-personal: #16845b;
}

.is-calendar-body {
    background: #fff;
    color: var(--isc-ink);
}

.isc-page,
.isc-page * {
    box-sizing: border-box;
}

.isc-page [hidden] {
    display: none !important;
}

.isc-page {
    min-height: 70vh;
    padding: 104px 0 64px;
    font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--isc-ink);
}

.isc-container {
    width: min(1200px, calc(100% - 36px));
    margin: 0 auto;
}

.isc-page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 28px;
    padding: 0 0 24px;
    border-bottom: 3px solid var(--isc-ink);
}

.isc-page-head__copy {
    min-width: 0;
}

.isc-mobile-settings-button {
    display: none;
}

.isc-kicker,
.isc-quick-panel__head p,
.isc-settings-dialog header p {
    margin: 0 0 7px;
    color: var(--isc-blue);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .09em;
}

.isc-page-head h1 {
    margin: 0;
    font-size: clamp(30px, 3vw, 40px);
    line-height: 1.15;
    letter-spacing: -.045em;
}

.isc-page-head__copy > p:last-child {
    margin: 10px 0 0;
    color: var(--isc-muted);
    font-size: 15px;
    line-height: 1.6;
}

.isc-sync {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 255px;
    padding: 11px 0;
}

.isc-sync__dot {
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #98a2b3;
    box-shadow: 0 0 0 4px #f2f4f7;
}

.isc-sync[data-sync-state="ready"] .isc-sync__dot {
    background: var(--isc-green);
    box-shadow: 0 0 0 4px #eaf8f1;
}

.isc-sync[data-sync-state="error"] .isc-sync__dot {
    background: var(--isc-red);
    box-shadow: 0 0 0 4px #fff0ee;
}

.isc-sync__copy {
    display: grid;
    min-width: 0;
    margin-right: auto;
}

.isc-sync__mobile-status {
    display: none;
}

.isc-sync b {
    font-size: 13px;
    line-height: 1.35;
}

.isc-sync small {
    margin-top: 2px;
    color: var(--isc-muted);
    font-size: 11px;
}

.isc-sync button,
.isc-section-heading button,
.isc-date-nav button,
.isc-quick-panel__close,
.isc-detail-dialog header button,
.isc-settings-dialog header button {
    min-width: 44px;
    min-height: 44px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.isc-sync button {
    min-width: auto;
    padding: 0 9px;
    color: var(--isc-blue);
    font-size: 12px;
    font-weight: 750;
}

.isc-sync button i {
    display: none;
}

.isc-today-brief {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    min-height: 88px;
    padding: 16px 18px;
    border-bottom: 1px solid var(--isc-line);
    background: #fafbfc;
}

.isc-today-brief__icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 12px;
    background: var(--isc-yellow);
    color: #17191f;
    font-size: 17px;
}

.isc-today-brief__copy {
    min-width: 0;
}

.isc-today-brief__copy > p {
    margin: 0 0 3px;
    color: var(--isc-blue);
    font-size: 12px;
    font-weight: 800;
}

.isc-today-brief__copy > strong {
    display: block;
    overflow: hidden;
    font-size: 16px;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.isc-today-brief__copy > small {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
    margin-top: 5px;
    color: var(--isc-muted);
    font-size: 12px;
}

.isc-today-brief__copy b {
    color: #344054;
}

.isc-today-brief > button {
    min-width: 76px;
    min-height: 42px;
    padding: 0 13px;
    border: 1px solid var(--isc-line);
    border-radius: 9px;
    background: #fff;
    color: #344054;
    font: inherit;
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
}

.isc-system-message {
    margin: 18px 0 0;
    padding: 12px 14px;
    border-left: 3px solid var(--isc-blue);
    background: var(--isc-blue-soft);
    color: #25416f;
    font-size: 13px;
    line-height: 1.55;
}

.isc-system-message[data-type="error"] {
    border-left-color: var(--isc-red);
    background: #fff4f2;
    color: #8f2119;
}

.isc-workspace {
    min-height: 650px;
    border-bottom: 1px solid var(--isc-line);
}

.isc-section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 34px;
}

.isc-section-heading h2,
.isc-section-heading h3 {
    margin: 0;
    font-size: 15px;
    line-height: 1.4;
}

.isc-section-heading > div > p {
    margin: 4px 0 0;
    color: var(--isc-muted);
    font-size: 11px;
    line-height: 1.5;
}

.isc-section-heading button {
    min-width: auto;
    min-height: 34px;
    padding: 0 4px;
    color: var(--isc-blue);
    font-size: 12px;
    font-weight: 700;
}

.isc-calendar-filters {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 18px;
    margin-top: 10px;
}

.isc-calendar-filters label {
    display: grid;
    grid-template-columns: 18px 9px 1fr;
    align-items: center;
    gap: 9px;
    min-height: 52px;
    cursor: pointer;
}

.isc-calendar-filters input,
.isc-subscriptions input,
.isc-check-row input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--isc-blue);
}

.isc-calendar-color {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #98a2b3;
}

.isc-calendar-color--tax { background: var(--isc-tax); }
.isc-calendar-color--official { background: var(--isc-official); }
.isc-calendar-color--insurance { background: var(--isc-insurance); }
.isc-calendar-color--personal { background: var(--isc-personal); }

.isc-calendar-filters label > span:last-child {
    display: grid;
    min-width: 0;
}

.isc-calendar-filters b {
    font-size: 13px;
    line-height: 1.4;
}

.isc-calendar-filters small {
    margin-top: 1px;
    color: #98a2b3;
    font-size: 10px;
}

.isc-subscription-panel > p {
    margin: 8px 0 12px;
    color: var(--isc-muted);
    font-size: 11px;
    line-height: 1.55;
}

.isc-subscriptions {
    display: grid;
    gap: 2px;
}

.isc-subscriptions label {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    color: #344054;
    font-size: 12px;
    cursor: pointer;
}

.isc-text-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    margin-top: 10px;
    padding: 0 2px;
    border: 0;
    background: transparent;
    color: var(--isc-blue);
    font-size: 12px;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
}

.isc-device-panel {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 8px 10px;
}

.isc-device-panel__icon {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 9px;
    background: var(--isc-blue-soft);
    color: var(--isc-blue);
}

.isc-device-panel b {
    font-size: 13px;
}

.isc-device-panel p {
    margin: 4px 0 0;
    color: var(--isc-muted);
    font-size: 10px;
    line-height: 1.5;
}

.isc-device-panel button {
    grid-column: 2;
    justify-self: start;
    min-height: 38px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--isc-blue);
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
}

.isc-device-panel button:disabled {
    color: #98a2b3;
    cursor: not-allowed;
}

.isc-main {
    min-width: 0;
    padding: 28px 0 34px;
}

.isc-toolbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
    padding-bottom: 17px;
    border-bottom: 1px solid var(--isc-line);
}

.isc-toolbar h2 {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    text-align: center;
    font-size: 19px;
    letter-spacing: -.025em;
}

.isc-calendar-tools {
    display: flex;
    align-items: center;
    gap: 10px;
}

.isc-calendar-tools button {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 42px;
    padding: 0 12px;
    border: 1px solid var(--isc-line);
    border-radius: 9px;
    background: #fff;
    color: #344054;
    font: inherit;
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
}

.isc-calendar-tools small {
    color: var(--isc-muted);
    font-size: 10px;
}

.isc-calendar-tools .isc-toolbar-add {
    border-color: var(--isc-yellow);
    background: var(--isc-yellow);
    color: #111;
}

.isc-calendar-tools .isc-toolbar-add:hover {
    background: var(--isc-yellow-strong);
}

.isc-date-nav {
    grid-column: 3;
    display: flex;
    align-items: center;
}

.isc-date-nav button {
    font-size: 13px;
    font-weight: 700;
}

.isc-date-nav #iscTodayButton {
    min-width: 48px;
}

.isc-loading {
    display: grid;
    justify-items: center;
    gap: 12px;
    padding: 100px 20px;
    color: var(--isc-muted);
}

.isc-loading span {
    width: 24px;
    height: 24px;
    border: 2px solid var(--isc-line);
    border-top-color: var(--isc-blue);
    border-radius: 50%;
    animation: isc-spin .8s linear infinite;
}

.isc-loading p {
    margin: 0;
    font-size: 13px;
}

@keyframes isc-spin {
    to { transform: rotate(360deg); }
}

.isc-agenda {
    padding-top: 8px;
}

.isc-selected-agenda {
    margin-top: 30px;
    padding-top: 0;
    border-top: 3px solid var(--isc-ink);
}

.isc-selected-agenda__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 74px;
    padding: 14px 4px;
    border-bottom: 1px solid var(--isc-line);
}

.isc-selected-agenda__head p {
    margin: 0 0 3px;
    color: var(--isc-blue);
    font-size: 12px;
    font-weight: 800;
}

.isc-selected-agenda__head h3 {
    margin: 0;
    font-size: 18px;
    letter-spacing: -.02em;
}

.isc-selected-agenda__head > span {
    color: var(--isc-muted);
    font-size: 12px;
    font-weight: 700;
}

.isc-agenda-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 64px;
    min-height: 44px;
    padding: 0 10px;
    border: 1px solid var(--isc-line);
    border-radius: 9px;
    background: #fff;
    color: #344054;
    font: inherit;
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
}

.isc-page[data-view="day"] .isc-selected-agenda {
    margin-top: 18px;
    border-top: 0;
}

.isc-page[data-view="day"] .isc-selected-agenda__head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
}

.isc-agenda-list {
    min-width: 0;
}

.isc-agenda-day {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 16px;
    padding: 22px 0 0;
}

.isc-agenda-date {
    position: sticky;
    top: 64px;
    align-self: start;
    display: grid;
    gap: 2px;
    padding-top: 3px;
}

.isc-agenda-date strong {
    font-size: 14px;
}

.isc-agenda-date small {
    color: var(--isc-muted);
    font-size: 12px;
}

.isc-agenda-items {
    min-width: 0;
}

.isc-item-row {
    position: relative;
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr) auto;
    align-items: center;
    gap: 13px;
    width: 100%;
    min-height: 74px;
    padding: 13px 8px 13px 15px;
    border: 0;
    border-bottom: 1px solid var(--isc-soft-line);
    background: #fff;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.isc-item-row::before {
    position: absolute;
    top: 19px;
    bottom: 19px;
    left: 0;
    width: 3px;
    border-radius: 3px;
    background: var(--isc-personal);
    content: "";
}

.isc-item-row[data-calendar-type="official_tax"]::before { background: var(--isc-tax); }
.isc-item-row[data-calendar-type="official_insurance"]::before { background: var(--isc-official); }
.isc-item-row[data-calendar-type="insurance"]::before { background: var(--isc-insurance); }
.isc-item-row[data-status="completed"] { opacity: .58; }
.isc-item-row[data-status="completed"] .isc-item-copy strong { text-decoration: line-through; }

.isc-item-time {
    color: #344054;
    font-size: 13px;
    font-weight: 700;
}

.isc-item-copy {
    display: grid;
    gap: 5px;
    min-width: 0;
}

.isc-item-copy strong {
    overflow: hidden;
    font-size: 15px;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.isc-item-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    color: var(--isc-muted);
    font-size: 12px;
}

.isc-item-badge,
.isc-detail-badge {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 0 7px;
    border-radius: 5px;
    background: var(--isc-soft);
    color: #475467;
    font-size: 12px;
    font-weight: 750;
}

.isc-item-row > i {
    color: #98a2b3;
    font-size: 11px;
}

.isc-month {
    padding-top: 14px;
}

.isc-weekdays,
.isc-month-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.isc-weekdays span {
    padding: 7px 4px 10px;
    color: var(--isc-muted);
    text-align: center;
    font-size: 12px;
    font-weight: 700;
}

.isc-month-day {
    position: relative;
    min-width: 0;
    min-height: 118px;
    padding: 8px;
    border-top: 1px solid var(--isc-line);
    border-left: 1px solid var(--isc-soft-line);
    background: #fff;
    cursor: pointer;
}

.isc-month-day:nth-child(7n + 1) { border-left: 0; }
.isc-month-day[data-outside="1"] { background: #fafbfc; color: #b0b8c4; }
.isc-month-day[data-selected="1"] { z-index: 1; box-shadow: inset 0 0 0 2px var(--isc-selected-outline, var(--isc-blue)); }
.isc-month-day[data-selected="1"][data-today="1"] { box-shadow: none; }
.isc-month-day[data-today="1"] .isc-month-day__number { background: var(--isc-yellow); color: #111; }

.isc-month-day__select {
    display: inline-grid;
    min-width: 34px;
    min-height: 34px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

.isc-month-day__number {
    display: grid;
    width: 26px;
    height: 26px;
    place-items: center;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
}

.isc-month-day__items {
    display: grid;
    gap: 3px;
    margin-top: 4px;
}

.isc-month-event {
    overflow: hidden;
    width: 100%;
    min-height: 24px;
    padding: 4px 5px;
    border: 0;
    border-left: 2px solid var(--isc-personal);
    border-radius: 3px;
    background: #f5faf7;
    color: #344054;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
    font: inherit;
    font-size: 11px;
    cursor: pointer;
}

.isc-month-event[data-calendar-type="official_tax"] { border-left-color: var(--isc-tax); background: #f2f6ff; }
.isc-month-event[data-calendar-type="official_insurance"] { border-left-color: var(--isc-official); background: #f7f3ff; }
.isc-month-event[data-calendar-type="insurance"] { border-left-color: var(--isc-insurance); background: #fff7ef; }

button.isc-item-meta {
    width: auto;
    min-height: 24px;
    padding: 0 4px;
    border: 0;
    background: transparent;
    font: inherit;
    cursor: pointer;
}

.isc-empty {
    display: grid;
    justify-items: center;
    padding: 46px 20px 52px;
    text-align: center;
}

.isc-empty > span {
    display: grid;
    width: 44px;
    height: 44px;
    margin-bottom: 13px;
    place-items: center;
    border-radius: 14px;
    background: var(--isc-blue-soft);
    color: var(--isc-blue);
    font-size: 18px;
}

.isc-empty strong {
    font-size: 14px;
}

.isc-empty p {
    max-width: 390px;
    margin: 8px 0 18px;
    color: var(--isc-muted);
    font-size: 12px;
    line-height: 1.6;
}

.isc-empty button,
.isc-empty a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 17px;
    border: 0;
    border-radius: 10px;
    background: var(--isc-yellow);
    color: #111;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
}

.isc-quick-dialog {
    width: min(620px, calc(100% - 28px));
    max-width: none;
    max-height: min(760px, calc(100dvh - 32px));
    padding: 0;
    overflow-y: auto;
    border: 0;
    border-radius: 16px;
    background: #fff;
    color: var(--isc-ink);
    box-shadow: 0 22px 65px rgba(15, 23, 42, .22);
}

.isc-quick-dialog::backdrop {
    background: rgba(17, 24, 39, .42);
}

.isc-quick-panel__head,
.isc-detail-dialog header,
.isc-settings-dialog header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--isc-line);
}

.isc-quick-panel__head {
    position: sticky;
    top: 0;
    z-index: 2;
    padding: 21px 22px 16px;
    background: #fff;
}

.isc-quick-panel__head h2,
.isc-detail-dialog h2,
.isc-settings-dialog h2 {
    margin: 0;
    font-size: 18px;
    letter-spacing: -.025em;
}

.isc-detail-dialog h2 {
    font-size: 20px;
    line-height: 1.35;
}

.isc-quick-panel__close {
    display: inline-grid;
    place-items: center;
}

.isc-template-row {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 14px 22px 2px;
    scrollbar-width: none;
}

.isc-template-row::-webkit-scrollbar { display: none; }

.isc-template-row button {
    flex: 0 0 auto;
    min-height: 34px;
    padding: 0 9px;
    border: 1px solid var(--isc-line);
    border-radius: 8px;
    background: #fff;
    color: #475467;
    font: inherit;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
}

#iscQuickAddForm {
    padding: 18px 22px 24px;
}

.isc-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.isc-field,
.isc-fieldset {
    min-width: 0;
    margin: 0 0 15px;
    padding: 0;
    border: 0;
}

.isc-field label,
.isc-fieldset legend {
    display: block;
    margin: 0 0 7px;
    color: #475467;
    font-size: 11px;
    font-weight: 750;
}

.isc-field input,
.isc-field select,
.isc-field textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 11px;
    border: 1px solid #cfd6df;
    border-radius: 9px;
    outline: 0;
    background: #fff;
    color: var(--isc-ink);
    font: inherit;
    font-size: 12px;
}

.isc-field textarea {
    min-height: 82px;
    resize: vertical;
    line-height: 1.5;
}

.isc-field input:focus,
.isc-field select:focus,
.isc-field textarea:focus {
    border-color: var(--isc-blue);
    box-shadow: 0 0 0 3px rgba(40, 100, 220, .12);
}

.isc-quick-dialog .isc-field input:focus,
.isc-quick-dialog .isc-field textarea:focus,
.isc-quick-dialog .isc-field input:focus-visible,
.isc-quick-dialog .isc-field textarea:focus-visible {
    outline: 0;
    border-color: #cfd6df;
    box-shadow: none;
}

.isc-quick-dialog .isc-field select:focus {
    outline: 0;
    border-color: #cfd6df;
    box-shadow: none;
}

.isc-quick-dialog .isc-field select:focus-visible,
.isc-quick-dialog .isc-segmented input:focus-visible + span {
    outline: 0;
    outline-offset: 0;
}

.isc-quick-dialog .isc-field input,
.isc-quick-dialog .isc-field textarea {
    caret-color: var(--isc-ink);
}

.isc-quick-dialog .isc-field input[aria-invalid="true"],
.isc-quick-dialog .isc-field input[aria-invalid="true"]:focus {
    border-color: var(--isc-red);
}

.isc-native-picker {
    display: contents;
}

.isc-native-picker__icon,
.isc-native-picker__value {
    display: none;
}

.isc-field input[aria-invalid="true"] {
    border-color: var(--isc-red);
}

.isc-field-error {
    display: block;
    min-height: 14px;
    margin-top: 4px;
    color: var(--isc-red);
    font-size: 10px;
}

.isc-segmented {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    padding: 3px;
    border-radius: 10px;
    background: var(--isc-soft);
}

.isc-segmented label {
    min-width: 0;
    cursor: pointer;
}

.isc-segmented input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.isc-segmented span {
    display: grid;
    min-height: 38px;
    padding: 0 4px;
    place-items: center;
    border-radius: 7px;
    color: var(--isc-muted);
    text-align: center;
    font-size: 10px;
    font-weight: 700;
}

.isc-segmented input:checked + span {
    background: #fff;
    color: var(--isc-ink);
    box-shadow: 0 1px 2px rgba(16, 24, 40, .08);
}

@media (min-width: 621px) {
    .isc-quick-dialog .isc-native-picker input[type="date"]:focus-visible,
    .isc-quick-dialog .isc-native-picker input[type="time"]:focus-visible {
        outline: 0;
        outline-offset: 0;
    }
}

.isc-check-row {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    margin: -3px 0 13px;
    color: #475467;
    font-size: 11px;
    cursor: pointer;
}

.isc-advanced {
    margin: 4px 0 18px;
    border-top: 1px solid var(--isc-line);
    border-bottom: 1px solid var(--isc-line);
}

.isc-advanced summary {
    display: flex;
    align-items: center;
    min-height: 44px;
    color: #475467;
    font-size: 11px;
    font-weight: 750;
    cursor: pointer;
}

.isc-advanced[open] {
    padding-bottom: 4px;
}

.isc-form-notice {
    min-height: 18px;
    margin-bottom: 8px;
    color: var(--isc-muted);
    font-size: 11px;
    line-height: 1.5;
}

.isc-form-notice[data-type="error"] { color: var(--isc-red); }
.isc-form-notice[data-type="success"] { color: var(--isc-green); }

.isc-form-actions {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 8px;
}

.isc-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 15px;
    border: 1px solid transparent;
    border-radius: 10px;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.isc-button--ghost {
    border-color: var(--isc-line);
    background: #fff;
    color: #475467;
}

.isc-button--primary {
    background: var(--isc-yellow);
    color: #111;
}

.isc-button--primary:hover { background: var(--isc-yellow-strong); }
.isc-button:disabled { opacity: .55; cursor: wait; }

.isc-login-gate {
    display: grid;
    justify-items: center;
    padding: 54px 10px;
    text-align: center;
}

.isc-login-gate > span {
    display: grid;
    width: 42px;
    height: 42px;
    margin-bottom: 13px;
    place-items: center;
    border-radius: 12px;
    background: var(--isc-soft);
    color: #667085;
}

.isc-login-gate strong { font-size: 13px; }
.isc-login-gate p { margin: 7px 0 16px; color: var(--isc-muted); font-size: 11px; line-height: 1.55; }
.isc-login-gate a { display: inline-flex; align-items: center; min-height: 44px; color: var(--isc-blue); font-size: 12px; font-weight: 800; text-decoration: none; }

.isc-detail-dialog {
    width: min(520px, calc(100% - 28px));
}

.isc-settings-dialog {
    width: min(640px, calc(100% - 28px));
    max-height: min(820px, calc(100dvh - 32px));
}

.isc-quick-dialog,
.isc-detail-dialog,
.isc-settings-dialog {
    max-width: none;
    padding: 0;
    border: 0;
    border-radius: 16px;
    color: var(--isc-ink);
    box-shadow: 0 22px 65px rgba(15, 23, 42, .22);
}

.isc-quick-dialog::backdrop,
.isc-detail-dialog::backdrop,
.isc-settings-dialog::backdrop {
    background: rgba(17, 24, 39, .42);
}

.isc-detail-dialog__shell,
.isc-settings-dialog__shell {
    margin: 0;
}

.isc-settings-dialog__shell {
    display: flex;
    max-height: min(820px, calc(100dvh - 32px));
    flex-direction: column;
}

.isc-detail-dialog header,
.isc-settings-dialog header {
    padding: 21px 22px 16px;
}

.isc-detail-dialog__body,
.isc-settings-dialog__body {
    padding: 20px 22px;
}

.isc-settings-dialog__body {
    overflow-y: auto;
}

.isc-settings-section + .isc-settings-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--isc-line);
}

.isc-settings-save {
    min-height: 42px;
    margin-top: 13px;
}

.isc-settings-notice {
    display: block;
    min-height: 17px;
    margin-top: 7px;
    color: var(--isc-muted);
    font-size: 10px;
    line-height: 1.5;
}

.isc-settings-notice[data-type="error"] { color: var(--isc-red); }
.isc-settings-notice[data-type="success"] { color: var(--isc-green); }

.isc-detail-dialog__body dl {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 13px 10px;
    margin: 0;
}

.isc-detail-dialog__body dt {
    color: var(--isc-muted);
    font-size: 13px;
    line-height: 1.55;
}

.isc-detail-dialog__body dd {
    margin: 0;
    font-size: 15px;
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.isc-detail-dialog__actions,
.isc-settings-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 14px 22px 20px;
    border-top: 1px solid var(--isc-line);
}

.isc-detail-dialog__actions {
    flex-wrap: wrap;
}

.isc-detail-dialog__nav,
.isc-detail-dialog__commands {
    display: flex;
    align-items: center;
    gap: 4px;
}

.isc-detail-dialog__commands {
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-left: auto;
}

.isc-detail-dialog__actions button {
    min-height: 44px;
    padding: 0 13px;
    border: 1px solid var(--isc-line);
    border-radius: 9px;
    background: #fff;
    color: #475467;
    font: inherit;
    font-size: 13px;
    font-weight: 750;
    cursor: pointer;
}

.isc-detail-dialog__actions button[data-primary="1"] {
    border-color: var(--isc-yellow);
    background: var(--isc-yellow);
    color: #111;
}

.isc-detail-dialog__actions button[data-danger="1"] {
    color: var(--isc-red);
}

.isc-detail-dialog__actions button[data-text-action="1"] {
    min-width: 44px;
    min-height: 44px;
    padding-inline: 9px;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.isc-detail-dialog__nav button {
    display: inline-grid;
    width: 44px;
    padding: 0;
    place-items: center;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #344054;
}

.isc-official-note {
    margin-top: 18px;
    padding: 14px 15px;
    border-left: 3px solid var(--isc-blue);
    background: #f5f8ff;
}

.isc-official-note strong {
    display: block;
    font-size: 14px;
}

.isc-official-note p {
    margin: 5px 0 0;
    color: #475467;
    font-size: 13px;
    line-height: 1.65;
}

.isc-source-checked {
    display: block;
    margin-top: 3px;
    color: var(--isc-muted);
    font-size: 12px;
}

.isc-device-state {
    display: flex;
    align-items: center;
    gap: 13px;
}

.isc-device-state > span {
    display: grid;
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 13px;
    background: var(--isc-blue-soft);
    color: var(--isc-blue);
    font-size: 19px;
}

.isc-device-state b { font-size: 13px; }
.isc-device-state p,
.isc-privacy-note p { margin: 4px 0 0; color: var(--isc-muted); font-size: 11px; line-height: 1.6; }

.isc-connected-devices {
    display: grid;
    gap: 8px;
    margin-top: 16px;
}

.isc-connected-device {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
    align-items: center;
    padding: 11px 12px;
    border: 1px solid var(--isc-line);
    border-radius: 9px;
}

.isc-connected-device b { min-width: 0; overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.isc-connected-device small { grid-column: 1; color: var(--isc-muted); font-size: 9px; }
.isc-connected-device button {
    grid-row: 1 / span 2;
    grid-column: 2;
    min-height: 36px;
    padding: 0 8px;
    border: 0;
    background: transparent;
    color: var(--isc-red);
    font: inherit;
    font-size: 10px;
    font-weight: 750;
    cursor: pointer;
}

.isc-pairing-control {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--isc-line);
}

.isc-pairing-control strong { font-size: 13px; }
.isc-pairing-control p { margin: 4px 0 0; color: var(--isc-muted); font-size: 11px; line-height: 1.5; }

.isc-pairing-result {
    margin-top: 16px;
    padding: 17px;
    border: 1px solid #cddafb;
    border-radius: 12px;
    background: #f8faff;
    text-align: center;
}

.isc-pairing-result > span { display: block; color: var(--isc-muted); font-size: 10px; font-weight: 750; }
.isc-pairing-result > strong { display: block; margin-top: 7px; color: #173d8f; font-size: 28px; letter-spacing: .17em; }
.isc-pairing-result > p { margin: 4px 0 14px; color: var(--isc-muted); font-size: 10px; }
.isc-pairing-result > div { display: flex; justify-content: center; gap: 7px; }
.isc-pairing-result .isc-button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; text-decoration: none; }
.isc-pairing-result > small { display: block; margin-top: 11px; color: var(--isc-muted); font-size: 10px; line-height: 1.5; }

.isc-privacy-note {
    margin-top: 20px;
    padding: 14px;
    border-left: 3px solid var(--isc-blue);
    background: var(--isc-blue-soft);
}

.isc-privacy-note strong { color: #25416f; font-size: 12px; }
.isc-noscript { max-width: 1200px; margin: 20px auto; padding: 14px; background: #fff4f2; color: #8f2119; }

.isc-page :focus-visible {
    outline: 3px solid var(--isc-focus-outline, rgba(40, 100, 220, .35));
    outline-offset: 2px;
}

/* 일정 입력 모달은 Galaxy 입력 흐름처럼 테두리 강조 없이 caret만 표시한다. */
.isc-page .isc-quick-dialog .isc-field input:focus,
.isc-page .isc-quick-dialog .isc-field input:focus-visible,
.isc-page .isc-quick-dialog .isc-field select:focus,
.isc-page .isc-quick-dialog .isc-field select:focus-visible,
.isc-page .isc-quick-dialog .isc-field textarea:focus,
.isc-page .isc-quick-dialog .isc-field textarea:focus-visible {
    outline: 0;
    border-color: #cfd6df;
    box-shadow: none;
}

.isc-page .isc-quick-dialog .isc-segmented input:focus-visible + span {
    outline: 0;
    outline-offset: 0;
}

.isc-page .isc-quick-dialog .isc-field input[aria-invalid="true"]:focus,
.isc-page .isc-quick-dialog .isc-field input[aria-invalid="true"]:focus-visible {
    border-color: var(--isc-red);
}

@media (max-width: 820px) {
    .isc-page { padding: 67px 0 64px; }
    .isc-container { width: min(100% - 28px, 720px); }

    .isc-page-head {
        align-items: flex-start;
        padding-bottom: 18px;
    }

    .isc-page-head h1 { font-size: 30px; }
    .isc-sync { min-width: 210px; padding: 4px 0; }

    .isc-workspace { border-bottom: 0; }
    .isc-main { width: 100%; padding: 24px 0; }
}

@media (max-width: 768px) {
    .isc-page {
        padding-top: 63px;
        padding-bottom: calc(20px + env(safe-area-inset-bottom));
    }
    .is-calendar-body .footer { display: none; }
    .isc-container { width: calc(100% - 24px); }

    .isc-page-head {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto auto;
        align-items: center;
        gap: 7px;
        min-height: 54px;
        padding-bottom: 10px;
        border-bottom-width: 2px;
    }

    .isc-page-head__copy { display: contents; }
    .isc-page-head .isc-kicker,
    .isc-page-head__copy > p:last-child { display: none; }
    .isc-page-head h1 { grid-column: 1; margin: 0; font-size: 26px; }
    .isc-mobile-settings-button {
        grid-column: 2;
        display: grid;
        width: 44px;
        min-width: 44px;
        height: 44px;
        padding: 0;
        place-items: center;
        border: 1px solid var(--isc-line);
        border-radius: 10px;
        background: #fff;
        color: #475467;
        font: inherit;
        font-size: 15px;
        cursor: pointer;
    }
    .isc-sync {
        grid-column: 3;
        display: flex;
        justify-self: end;
        width: auto;
        min-width: 0;
        margin: 0;
        padding: 0;
        gap: 6px;
    }
    .isc-sync__dot { display: none; }
    .isc-sync__copy {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
    .isc-sync__mobile-status {
        display: grid;
        width: 44px;
        height: 44px;
        place-items: center;
        border: 1px solid var(--isc-line);
        border-radius: 10px;
        background: var(--isc-soft);
        color: var(--isc-muted);
        font-size: 15px;
    }
    .isc-sync[data-sync-state="ready"] .isc-sync__mobile-status {
        border-color: #cde9dc;
        background: #eef9f4;
        color: var(--isc-green);
    }
    .isc-sync[data-sync-state="error"] .isc-sync__mobile-status {
        border-color: #f1cbc7;
        background: #fff3f1;
        color: var(--isc-red);
    }
    .isc-sync button {
        display: grid;
        width: 44px;
        min-width: 44px;
        height: 44px;
        padding: 0;
        place-items: center;
        border: 1px solid var(--isc-line);
        border-radius: 10px;
        background: #fff;
        color: var(--isc-blue);
        font-size: 15px;
    }
    .isc-sync button i { display: block; }
    .isc-sync button span { display: none; }
    .isc-sync button[data-action-state="loading"] i { animation: isc-spin .8s linear infinite; }
    .isc-sync button[data-action-state="ready"] {
        border-color: #cde9dc;
        background: #eef9f4;
        color: var(--isc-green);
    }
    .isc-sync button[data-action-state="error"] {
        border-color: #f1cbc7;
        background: #fff3f1;
        color: var(--isc-red);
    }
    .isc-main { padding: 8px 0 24px; }

    .isc-today-brief {
        grid-template-columns: 38px minmax(0, 1fr) auto;
        gap: 10px;
        padding: 14px 12px;
    }
    .isc-today-brief__icon { width: 38px; height: 38px; border-radius: 10px; }
    .isc-today-brief__copy > strong { font-size: 16px; }
    .isc-today-brief__copy > small { gap: 3px 6px; }
    .isc-today-brief__copy > small span:nth-child(n + 3) { display: none; }

    .isc-toolbar {
        grid-template-columns: 1fr auto;
        gap: 10px;
        padding-bottom: 12px;
    }

    .isc-date-nav { grid-column: 2; grid-row: 1; }
    .isc-toolbar h2 { grid-column: 1; grid-row: 1; text-align: left; font-size: 18px; }
    .isc-calendar-tools { display: contents; }
    .isc-calendar-tools #iscDeviceSettingsButton { display: none; }
    .isc-calendar-tools .isc-toolbar-add {
        position: fixed;
        right: 18px;
        bottom: calc(20px + env(safe-area-inset-bottom));
        z-index: 900;
        display: grid;
        width: 56px;
        min-width: 56px;
        height: 56px;
        min-height: 56px;
        padding: 0;
        place-items: center;
        border-radius: 50%;
        box-shadow: 0 10px 24px rgba(23, 25, 31, .2);
    }
    .isc-calendar-tools .isc-toolbar-add i { font-size: 20px; }
    .isc-calendar-tools .isc-toolbar-add span { display: none; }

    .isc-date-nav #iscTodayButton { display: none; }

    .isc-item-row { grid-template-columns: 62px minmax(0, 1fr) auto; min-height: 70px; padding-right: 3px; }

    .isc-month-day { --isc-selected-outline: transparent; min-height: 76px; padding: 5px 3px; }
    .isc-month-day__select { --isc-focus-outline: transparent; min-width: 44px; min-height: 44px; }
    .isc-month-day__number { width: 26px; height: 26px; font-size: 13px; }
    .isc-month-day__items {
        position: absolute;
        top: 35px;
        right: 3px;
        left: 3px;
        gap: 1px;
        margin-top: 0;
    }
    .isc-month-event {
        min-height: 12px;
        padding: 3px 0 4px;
        border: 0;
        border-radius: 0;
        background: transparent;
        color: var(--isc-personal);
        font-size: 0;
    }
    .isc-month-event::after {
        display: block;
        width: 100%;
        height: 5px;
        margin: 0;
        border-radius: 999px;
        background: currentColor;
        content: "";
    }
    .isc-month-event[data-calendar-type="official_tax"] { border-left: 0; background: transparent; color: var(--isc-tax); }
    .isc-month-event[data-calendar-type="official_insurance"] { border-left: 0; background: transparent; color: var(--isc-official); }
    .isc-month-event[data-calendar-type="insurance"] { border-left: 0; background: transparent; color: var(--isc-insurance); }
    .isc-month-day__items > button.isc-item-meta {
        position: absolute;
        top: -30px;
        right: 0;
        min-height: 20px;
        padding: 0 3px;
        color: var(--isc-muted);
        font-size: 10px;
        font-weight: 800;
    }

    .isc-selected-agenda { margin-top: 22px; }
    .isc-selected-agenda__head { min-height: 68px; }
    .isc-page[data-view="day"] .isc-selected-agenda { margin-top: 10px; }
    .isc-page[data-view="day"] .isc-selected-agenda__head { gap: 9px; padding-inline: 0; }
    .isc-agenda-back { min-width: 44px; width: 44px; padding: 0; }
    .isc-agenda-back span { display: none; }
    .isc-empty [data-open-quick-add] { display: none; }
    .isc-empty { padding: 40px 12px 46px; }

    .isc-calendar-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 12px; }
    .isc-calendar-filters label { min-height: 56px; }
    .isc-subscriptions { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .isc-quick-panel__head { padding: 18px 18px 14px; }
    .isc-template-row { padding-inline: 18px; }
    #iscQuickAddForm { padding: 16px 18px calc(22px + env(safe-area-inset-bottom)); }
    .isc-field input,
    .isc-field select { min-height: 46px; font-size: 16px; }
    .isc-field textarea { font-size: 16px; }

    .isc-date-time-grid {
        grid-template-columns: minmax(0, 1.35fr) minmax(0, .9fr);
        gap: 0;
        margin-bottom: 15px;
        overflow: hidden;
        border: 1px solid #dfe3e8;
        border-radius: 12px;
        background: #f7f8fa;
    }
    .isc-date-time-grid .isc-field {
        margin: 0;
        padding: 9px 11px 8px;
    }
    .isc-date-time-grid .isc-field + .isc-field {
        border-left: 1px solid #dfe3e8;
    }
    .isc-date-time-grid .isc-field label {
        margin-bottom: 3px;
        color: #6b7280;
        font-size: 10px;
    }
    .isc-native-picker {
        position: relative;
        display: flex;
        align-items: center;
        gap: 7px;
        min-height: 44px;
    }
    .isc-native-picker:has(input:focus-visible) {
        border-radius: 8px;
        outline: 0;
        outline-offset: 0;
    }
    .isc-native-picker__icon {
        display: grid;
        flex: 0 0 20px;
        width: 20px;
        place-items: center;
        color: #4b5563;
        font-size: 14px;
    }
    .isc-native-picker__value {
        display: block;
        min-width: 0;
        overflow: hidden;
        color: var(--isc-ink);
        font-size: 15px;
        font-weight: 650;
        line-height: 1.35;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .isc-native-picker input[type="date"],
    .isc-native-picker input[type="time"] {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        min-height: 0;
        padding: 0;
        border: 0;
        opacity: 0;
        cursor: pointer;
    }

    .isc-section-heading button,
    .isc-calendar-tools button,
    .isc-today-brief > button,
    .isc-month-day__select,
    .isc-template-row button,
    .isc-segmented span,
    .isc-all-day,
    .isc-check-row,
    .isc-detail-dialog__actions button,
    .isc-connected-device button,
    .isc-pairing-result .isc-button,
    .isc-subscriptions label {
        min-width: 44px;
        min-height: 44px;
    }

    .isc-quick-dialog,
    .isc-detail-dialog,
    .isc-settings-dialog {
        width: 100%;
        max-height: calc(100dvh - 20px);
        margin: auto 0 0;
        border-radius: 18px 18px 0 0;
    }
    .isc-detail-dialog h2 { font-size: 17px; }

    .isc-pairing-control { align-items: stretch; flex-direction: column; }
    .isc-pairing-result > div { flex-direction: column; }
}

@media (max-width: 359px) {
    .isc-container { width: calc(100% - 20px); }
    .isc-kicker { font-size: 10px; }
    .isc-page-head h1 { font-size: 27px; }
    .isc-calendar-filters,
    .isc-subscriptions { grid-template-columns: 1fr; }
    .isc-form-grid { grid-template-columns: 1fr; gap: 0; }
    .isc-date-time-grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, .9fr); }
    .isc-item-row { grid-template-columns: 54px minmax(0, 1fr); }
    .isc-item-row > i { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .isc-loading span { animation-duration: 1.8s; }
}

@media (forced-colors: active) {
    .isc-sync__dot,
    .isc-calendar-color,
    .isc-item-row::before { forced-color-adjust: none; }
    .isc-button--primary,
    .isc-empty button,
    .isc-empty a,
    .isc-quick-dialog,
    .isc-detail-dialog,
    .isc-settings-dialog { border: 1px solid ButtonText; }
}