:root {
    --color-ink: #13202b;
    --color-paper: #f6f1e8;
    --color-panel: #fffdfa;
    --color-accent: #0d7a68;
    --color-accent-strong: #075c4f;
    --color-border: #d9ccb8;
    --color-danger: #b53b2f;
    --color-shadow: rgba(19, 32, 43, 0.12);
    --font-sans: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic UI", sans-serif;
    --font-display: "M PLUS 1", "BIZ UDPGothic", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-ink);
    background:
        radial-gradient(circle at top left, rgba(13, 122, 104, 0.18), transparent 30%),
        linear-gradient(180deg, #efe5d4 0%, var(--color-paper) 45%, #f8f5f0 100%);
}

.app-shell {
    min-height: 100vh;
}

.app-nav {
    position: sticky;
    top: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(255, 253, 250, 0.94);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.app-nav__brand,
.screen-header h1 {
    font-family: var(--font-display);
}

.app-nav__links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.app-nav__link,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 999px;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
}

.app-nav__link {
    color: var(--color-ink);
}

.app-nav__link.is-active,
.button--primary,
.app-nav__bug-report {
    background: var(--color-accent);
    color: #fff;
}

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

.button--ghost {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-accent-strong);
}

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

.button:disabled,
.button[aria-disabled="true"] {
    opacity: 0.58;
    cursor: not-allowed;
}

.app-main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px 16px 64px;
}

.screen,
.debug-panel,
.bug-report-form {
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    box-shadow: 0 18px 40px var(--color-shadow);
}

.screen {
    padding: 24px;
}

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

.screen-header__eyebrow {
    margin: 0 0 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-strong);
}

.screen-region {
    margin-top: 18px;
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(217, 204, 184, 0.9);
}

.screen-region__header h2,
.screen-region__header p {
    margin: 0 0 8px;
}

.summary-grid,
.quick-links,
.action-row,
.screen-actions,
.status-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.summary-card {
    flex: 1 1 180px;
    padding: 16px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--color-border);
}

.summary-card__label,
.dashboard-list__meta {
    display: block;
    color: rgba(19, 32, 43, 0.72);
    font-size: 0.92rem;
}

.summary-card__value {
    display: block;
    margin-top: 6px;
    font-size: 1.8rem;
}

.simple-list,
.timeline {
    margin: 0;
    padding-left: 20px;
}

.dashboard-columns,
.detail-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.dashboard-panel {
    min-width: 0;
}

.dashboard-list,
.comment-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.dashboard-list__item,
.comment-card {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(217, 204, 184, 0.7);
}

.dashboard-list__link,
.request-table__link {
    color: var(--color-accent-strong);
    font-weight: 700;
    text-decoration: none;
}

.saved-filter-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.saved-filter-chip {
    margin: 0;
}

.phase10-admin-setup {
    display: grid;
    gap: 16px;
}

.admin-setup-card {
    padding: 18px;
    border-radius: 20px;
    border: 1px solid rgba(217, 204, 184, 0.9);
    background: rgba(255, 255, 255, 0.75);
}

.admin-setup-card__header h2,
.admin-setup-card__header p {
    margin: 0 0 8px;
}

.setup-wizard__grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.setup-wizard__errors {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--color-danger);
}

.setup-wizard__ok {
    margin: 12px 0 0;
    color: var(--color-accent-strong);
}

.setup-preview-summary {
    margin: 0;
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.setup-preview-summary div {
    margin: 0;
    padding: 10px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid rgba(217, 204, 184, 0.8);
}

.setup-preview-summary dt,
.setup-preview-summary dd {
    margin: 0;
}

.setup-preview-idempotency {
    margin: 12px 0;
    font-size: 0.92rem;
}

.setup-commit-result {
    margin: 10px 0 14px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(217, 204, 184, 0.9);
    background: #fff;
}

.setup-commit-result--completed {
    border-color: rgba(13, 122, 104, 0.55);
}

.setup-commit-result--idempotent {
    border-color: rgba(7, 92, 79, 0.45);
}

.setup-commit-result--failed {
    border-color: rgba(181, 59, 47, 0.55);
}

.setup-log-list {
    margin: 0;
    padding-left: 20px;
}

.setup-log-list li {
    margin-bottom: 10px;
}

.request-filter-form {
    grid-template-columns: 1fr;
}

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

.request-table {
    width: 100%;
    border-collapse: collapse;
}

.request-table th,
.request-table td {
    padding: 12px 10px;
    text-align: left;
    border-bottom: 1px solid rgba(217, 204, 184, 0.8);
    white-space: nowrap;
}

.detail-grid--cards,
.payload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.payload-grid {
    margin-top: 14px;
}

.payload-grid div,
.detail-grid--cards div {
    padding: 12px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(217, 204, 184, 0.85);
}

.timeline__item {
    margin-bottom: 12px;
}

.timeline__meta {
    color: rgba(19, 32, 43, 0.72);
    font-size: 0.92rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin: 0;
}

.filter-form,
.login-form,
.bug-report-form__body {
    display: grid;
    gap: 12px;
}

.login-form label,
.bug-report-form__field {
    display: grid;
    gap: 8px;
}

input,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    font: inherit;
    background: #fff;
}

.debug-panel,
.bug-report-form {
    margin-top: 20px;
    padding: 18px;
}

.debug-panel__row,
.bug-report__context-row {
    display: grid;
    grid-template-columns: minmax(110px, 150px) 1fr auto;
    gap: 8px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(217, 204, 184, 0.7);
}

.debug-panel__row.is-highlighted {
    border-radius: 12px;
    padding: 10px;
    background: rgba(181, 59, 47, 0.08);
}

.support-contact {
    margin-top: 10px;
    color: var(--color-accent-strong);
}

.action-feedback {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 14px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid transparent;
}

.action-feedback p {
    margin: 0;
}

.action-feedback--success {
    background: rgba(13, 122, 104, 0.12);
    border-color: rgba(13, 122, 104, 0.36);
}

.action-feedback--warning {
    background: rgba(181, 59, 47, 0.1);
    border-color: rgba(181, 59, 47, 0.35);
}

.action-feedback--error {
    background: rgba(181, 59, 47, 0.16);
    border-color: rgba(181, 59, 47, 0.55);
}

.confirm-dialog-backdrop {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 16px;
    background: rgba(19, 32, 43, 0.42);
    z-index: 20;
}

.confirm-dialog {
    width: min(520px, 100%);
    padding: 20px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    background: var(--color-panel);
    box-shadow: 0 20px 46px var(--color-shadow);
}

.confirm-dialog__header h3,
.confirm-dialog__header p {
    margin: 0 0 10px;
}

.confirm-dialog__actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
}

@media (max-width: 640px) {
    .app-nav {
        align-items: stretch;
    }

    .app-nav__links,
    .quick-links,
    .screen-actions,
    .action-row,
    .status-tabs {
        flex-direction: column;
    }

    .debug-panel__row,
    .bug-report__context-row {
        grid-template-columns: 1fr;
    }

    .screen {
        padding: 18px;
    }

    .confirm-dialog__actions {
        flex-direction: column-reverse;
    }

    .action-feedback {
        flex-direction: column;
        align-items: stretch;
    }
}