:root {
    --nida-primary: #30294f;
    --nida-ink: #1d2433;
    --nida-muted: #697386;
    --nida-surface: #ffffff;
    --nida-app-bg: #eaf3ff;
    --nida-line: #d8e5f5;
    --nida-radius: 8px;
    --nida-shadow: 0 8px 24px rgb(29 36 51 / 0.08);
}

html[data-theme="nida"] {
    --p: 29.76% 0.066 295.66;
    --pc: 100% 0 0;
    --s: 67.64% 0.064 253.46;
    --sc: 100% 0 0;
    --a: 91.77% 0.033 250.64;
    --ac: 29.76% 0.066 295.66;
    --n: 29.76% 0.066 295.66;
    --nc: 100% 0 0;
    --b1: 100% 0 0;
    --b2: 95.76% 0.018 250.82;
    --b3: 91.77% 0.033 250.64;
    --bc: 24.03% 0.023 260.51;
}

.nida-app {
    min-height: 100vh;
    background: var(--nida-app-bg);
    color: var(--nida-ink);
    font-family: "Inter", sans-serif;
    padding-bottom: 76px;
}

.nida-main {
    width: min(100%, 520px);
    margin: 0 auto;
    padding: 12px 12px 96px;
}

.nida-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--nida-app-bg);
    border-bottom: 1px solid rgb(216 229 245 / 0.75);
}

.nida-header__bar {
    width: min(100%, 520px);
    min-height: 56px;
    margin: 0 auto;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.nida-header__brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 9px;
}

.nida-header__logo {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--nida-radius);
    background: var(--nida-primary);
    color: #fff;
    font-size: 0.95rem;
    overflow: hidden;
    box-shadow: 0 4px 10px rgb(48 41 79 / 0.18);
}

.nida-header__logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nida-header__brand-text {
    min-width: 0;
    display: block;
}

.nida-header__title {
    display: block;
    color: var(--nida-primary);
    font-size: 0.95rem;
    line-height: 1.15;
    font-weight: 800;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-header__subtitle {
    margin-top: 2px;
    color: var(--nida-muted);
    font-size: 0.68rem;
    line-height: 1.1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-header__actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.nida-icon-btn {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--nida-radius);
    border: 1px solid var(--nida-line);
    background: var(--nida-surface);
    color: var(--nida-primary);
    font-size: 0.78rem;
    font-weight: 800;
    box-shadow: 0 1px 2px rgb(29 36 51 / 0.06);
}

.nida-alert-stack {
    display: grid;
    gap: 8px;
    margin-bottom: 12px;
}

.nida-card {
    background: var(--nida-surface);
    border: 1px solid rgb(216 229 245 / 0.95);
    border-radius: var(--nida-radius);
    box-shadow: var(--nida-shadow);
}

.nida-card--flat {
    box-shadow: none;
}

.nida-section-title {
    margin: 0 0 8px;
    color: var(--nida-ink);
    font-size: 0.98rem;
    line-height: 1.2;
    font-weight: 800;
}

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

.nida-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.nida-compat-heading {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    opacity: 0;
    pointer-events: none;
}

.nida-form-grid {
    display: grid;
    gap: 12px;
}

.nida-form-section {
    display: grid;
    gap: 11px;
    padding: 10px;
    border: 1px solid rgb(216 229 245 / 0.78);
    border-radius: var(--nida-radius);
    background: rgb(248 251 255 / 0.72);
}

.nida-form-grid > .nida-primary-action {
    margin-top: 4px;
}

.nida-form-grid > .btn:last-child {
    margin-bottom: 12px;
}

.nida-field {
    display: grid;
    gap: 6px;
}

.nida-label {
    color: var(--nida-ink);
    font-size: 0.78rem;
    line-height: 1.2;
    font-weight: 700;
}

.nida-input,
.nida-select,
.nida-textarea {
    width: 100%;
    min-height: 38px;
    border-radius: var(--nida-radius);
    border: 1px solid var(--nida-line);
    background: #f8fbff;
    color: var(--nida-ink);
    font-size: 0.86rem;
}

.nida-input,
.nida-select {
    padding: 0 10px;
}

.nida-textarea {
    min-height: 88px;
    padding: 10px;
}

.nida-primary-action {
    min-height: 40px;
    border-radius: var(--nida-radius);
    background: var(--nida-primary);
    color: #fff;
    font-weight: 800;
}

.nida-app .input,
.nida-app .select,
.nida-app .textarea {
    border-color: var(--nida-line);
    border-radius: var(--nida-radius);
    background-color: #f8fbff;
    color: var(--nida-ink);
    font-size: 0.86rem;
}

.nida-app .input,
.nida-app .select {
    min-height: 40px;
}

.nida-app .input:focus,
.nida-app .select:focus,
.nida-app .textarea:focus {
    outline: 2px solid rgb(48 41 79 / 0.16);
    outline-offset: 0;
    border-color: rgb(48 41 79 / 0.45);
}

.nida-app .btn {
    border-radius: var(--nida-radius);
}

.nida-app .btn-outline {
    background: #fff;
    border-color: rgb(48 41 79 / 0.34);
    color: var(--nida-primary);
}

.nida-inline-action {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 54px;
    gap: 8px;
    align-items: stretch;
}

.nida-inline-action .btn {
    min-height: 40px;
}

.nida-choice-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nida-choice {
    min-height: 34px;
    padding-inline: 11px;
    justify-content: center;
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
}

.nida-app .nida-choice.is-selected {
    border-color: var(--nida-primary) !important;
    background: var(--nida-primary) !important;
    color: #fff !important;
    box-shadow: 0 5px 14px rgb(48 41 79 / 0.18);
}

.nida-app .nida-choice.is-selected i {
    color: #fff !important;
}

.nida-attendee-chip {
    min-height: 44px;
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) 30px;
    align-items: center;
    gap: 8px;
    padding: 7px 8px;
    border: 1px solid rgb(48 41 79 / 0.16);
    border-radius: var(--nida-radius);
    background: rgb(48 41 79 / 0.06);
    color: var(--nida-ink);
}

.nida-attendee-chip__icon {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #fff;
    color: var(--nida-primary);
}

.nida-attendee-chip__body {
    min-width: 0;
    display: grid;
    gap: 1px;
}

.nida-attendee-chip__body strong,
.nida-attendee-chip__body small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-attendee-chip__body strong {
    font-size: 0.82rem;
    line-height: 1.15;
    font-weight: 900;
}

.nida-attendee-chip__body small {
    color: var(--nida-muted);
    font-size: 0.68rem;
    line-height: 1.1;
    font-weight: 700;
}

.nida-attendee-chip__remove {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--nida-primary);
    font-size: 0.78rem;
}

.nida-tabs {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    border-radius: var(--nida-radius);
    background: rgb(255 255 255 / 0.72);
    border: 1px solid var(--nida-line);
}

.nida-tab {
    min-height: 32px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 6px;
    color: var(--nida-muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.nida-tab.is-active {
    background: rgb(48 41 79 / 0.12);
    color: var(--nida-primary);
}

.nida-room-card {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 10px;
    padding: 8px;
    color: var(--nida-ink);
}

.nida-room-card__image {
    width: 92px;
    aspect-ratio: 4 / 3;
    border-radius: var(--nida-radius);
    object-fit: cover;
    background: var(--nida-line);
}

.nida-room-card__title {
    margin: 0 0 4px;
    font-size: 0.86rem;
    line-height: 1.2;
    font-weight: 800;
}

.nida-room-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--nida-muted);
    font-size: 0.68rem;
    line-height: 1.25;
}

.nida-page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    position: relative;
}

.nida-page-title {
    margin: 0;
    color: var(--nida-ink);
    font-size: 1rem;
    line-height: 1.2;
    font-weight: 900;
}

.nida-page-subtitle {
    margin-top: 3px;
    color: var(--nida-muted);
    font-size: 0.72rem;
    line-height: 1.3;
}

.nida-stack {
    display: grid;
    gap: 10px;
}

.nida-card-pad {
    padding: 12px;
}

.nida-list-card {
    display: block;
    color: var(--nida-ink);
}

.nida-list-card__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    padding: 10px;
}

.nida-list-card__main {
    min-width: 0;
}

.nida-list-card__title {
    overflow: hidden;
    color: var(--nida-ink);
    font-size: 0.88rem;
    line-height: 1.2;
    font-weight: 900;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-list-card__sub {
    margin-top: 3px;
    overflow: hidden;
    color: var(--nida-muted);
    font-size: 0.68rem;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-list-card__id {
    margin-top: 2px;
    color: var(--nida-primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.68rem;
    line-height: 1.15;
    font-weight: 900;
}

.nida-list-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
    color: var(--nida-ink);
    font-size: 0.74rem;
    line-height: 1.2;
}

.nida-list-card__side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.nida-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.nida-summary-item {
    min-width: 0;
    min-height: 42px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--nida-radius);
    background: #f8fbff;
    color: var(--nida-ink);
    font-size: 0.76rem;
    font-weight: 700;
}

.nida-summary-item {
    overflow: hidden;
}

.nida-summary-item > :not(i) {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-summary-item i {
    color: var(--nida-primary);
}

.nida-profile-actions {
    display: grid;
    gap: 8px;
}

.nida-profile-action {
    min-height: 48px;
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 8px;
    border: 1px solid var(--nida-line);
    border-radius: var(--nida-radius);
    background: #f8fbff;
    color: var(--nida-ink);
    text-decoration: none;
}

.nida-profile-action span {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--nida-radius);
    background: rgb(48 41 79 / 0.1);
    color: var(--nida-primary);
}

.nida-profile-action strong {
    overflow: hidden;
    font-size: 0.84rem;
    line-height: 1.15;
    font-weight: 900;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-active-session {
    display: grid;
    gap: 12px;
    padding: 14px;
    border-radius: var(--nida-radius);
    background: var(--nida-primary);
    color: #fff;
    box-shadow: var(--nida-shadow);
}

.nida-active-session--upcoming {
    background: #2563eb;
}

.nida-active-session__body {
    min-width: 0;
    display: grid;
    gap: 9px;
}

.nida-active-session__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgb(255 255 255 / 0.78);
    font-size: 0.72rem;
    line-height: 1.1;
    font-weight: 900;
    text-transform: uppercase;
}

.nida-active-session__main {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
}

.nida-active-session__code {
    min-width: 58px;
    padding: 7px 8px;
    border-radius: 6px;
    background: rgb(255 255 255 / 0.14);
    color: #fff;
    font-size: 1rem;
    line-height: 1.1;
    font-weight: 950;
    text-align: center;
}

.nida-active-session__details {
    min-width: 0;
    display: grid;
    gap: 3px;
}

.nida-active-session__details strong,
.nida-active-session__details span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nida-active-session__details strong {
    color: #fff;
    font-size: 0.95rem;
    line-height: 1.18;
    font-weight: 950;
}

.nida-active-session__details span {
    color: rgb(255 255 255 / 0.82);
    font-size: 0.72rem;
    line-height: 1.15;
    font-weight: 750;
}

.nida-active-session__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.nida-active-session__badges span {
    min-height: 26px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 0 9px;
    border-radius: 999px;
    background: rgb(255 255 255 / 0.14);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 900;
}

.nida-active-session__action {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 0;
    border-radius: var(--nida-radius);
    background: #fff;
    color: var(--nida-primary);
    font-size: 0.82rem;
    font-weight: 950;
    box-shadow: 0 6px 14px rgb(0 0 0 / 0.12);
}

.nida-active-session__actions {
    display: flex;
    gap: 8px;
}

.nida-active-session__actions form {
    flex: 1;
}

.nida-active-session__actions form .nida-active-session__action {
    width: 100%;
}

.nida-active-session__action--details {
    flex: 0 0 auto;
    background: rgb(255 255 255 / 0.14);
    color: #fff;
    box-shadow: none;
}

.nida-room-hero {
    padding: 14px;
    border-radius: var(--nida-radius);
    background: var(--nida-primary);
    color: #fff;
    box-shadow: var(--nida-shadow);
}

.nida-room-hero__code {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgb(255 255 255 / 0.16);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 900;
}

.nida-room-hero__title {
    margin: 8px 0 0;
    color: #fff;
    font-size: 1.18rem;
    line-height: 1.18;
    font-weight: 900;
}

.nida-room-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
    color: rgb(255 255 255 / 0.82);
    font-size: 0.74rem;
    font-weight: 700;
}

.nida-empty {
    padding: 34px 14px;
    text-align: center;
    color: var(--nida-muted);
}

.nida-empty i {
    display: block;
    margin-bottom: 10px;
    color: rgb(48 41 79 / 0.24);
    font-size: 2.4rem;
}

.nida-matrix {
    overflow-x: auto;
    border-radius: var(--nida-radius);
}

.nida-matrix table {
    table-layout: fixed;
    width: max-content;
    min-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.62rem;
}

.nida-matrix th,
.nida-matrix td {
    border: 1px solid var(--nida-line);
}

.nida-matrix-room {
    position: sticky;
    left: 0;
    z-index: 2;
    width: 78px;
    min-width: 78px;
    background: var(--nida-surface);
    color: var(--nida-ink);
    font-weight: 800;
}

.nida-slot {
    width: 58px;
    min-width: 58px;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2px;
    border-radius: 4px;
    color: #fff;
    font-size: 0.52rem;
    font-weight: 800;
    text-align: center;
    cursor: pointer;
}

.nida-slot.status-available {
    background: #18a94b;
}

.nida-slot.status-reserved,
.nida-slot.status-in_use {
    background: #7c8491;
}

.nida-slot.status-closed,
.nida-slot.status-past {
    background: #d4dce8;
    color: #697386;
    cursor: not-allowed;
}

.nida-slot.status-my-booking,
.nida-slot.is-selected {
    background: var(--nida-primary);
}

.nida-access-code {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 12px;
    color: var(--nida-primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0;
}

.nida-fixed-action {
    position: sticky;
    bottom: 74px;
    z-index: 20;
    margin-top: 10px;
}

.nida-bottom-nav {
    position: fixed;
    left: 50%;
    bottom: 0;
    z-index: 60;
    width: min(100%, 520px);
    transform: translateX(-50%);
    min-height: 62px;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    border-top: 1px solid var(--nida-line);
    background: var(--nida-surface);
    box-shadow: 0 -8px 24px rgb(29 36 51 / 0.08);
}

.nida-bottom-nav__item {
    min-width: 0;
    min-height: 62px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #2e3442;
    font-size: 0.62rem;
    line-height: 1.1;
    font-weight: 700;
    text-decoration: none;
}

.nida-bottom-nav__item i {
    font-size: 1rem;
}

.nida-bottom-nav__item span {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
    white-space: normal;
}

.nida-bottom-nav__item.is-active {
    color: var(--nida-primary);
}

@media (min-width: 640px) {
    .nida-app {
        padding-bottom: 24px;
    }

    .nida-main {
        padding-top: 18px;
    }

    .nida-bottom-nav {
        border-right: 1px solid var(--nida-line);
        border-left: 1px solid var(--nida-line);
    }
}

@media (min-width: 1024px) {
    .nida-main,
    .nida-header__bar,
    .nida-bottom-nav {
        width: min(100%, 1100px);
    }

    .nida-matrix-room {
        width: 110px;
        min-width: 110px;
    }

    .nida-slot {
        width: 72px;
        min-width: 72px;
        min-height: 36px;
        font-size: 0.62rem;
    }

    .nida-matrix table {
        font-size: 0.7rem;
    }
}