/**
 * Mublo 설치 마법사 스타일
 *
 * 원칙:
 * - 외부 자원(폰트/CDN) 없음 — 오프라인 서버에서도 동일하게 렌더
 * - 헤더는 본편(시작 킷 히어로)과 같은 문법: 이미지 없는 그라데이션 CSS
 * - 클래스 계약: steps/*.php 가 쓰는 클래스명을 바꾸지 않는다
 */

:root {
    --ink: #0f172a;
    --ink-soft: #475569;
    --ink-mute: #94a3b8;
    --line: #e2e8f0;
    --bg: #f1f5f9;
    --card: #ffffff;
    --brand: #4f46e5;
    --brand-deep: #1e1b4b;
    --brand-soft: #eef2ff;
    --ok: #059669;
    --ok-soft: #ecfdf5;
    --warn: #b45309;
    --warn-soft: #fffbeb;
    --danger: #dc2626;
    --danger-soft: #fef2f2;
    --info: #1d4ed8;
    --info-soft: #eff6ff;
    /* 플랫 디자인: 카드류 모서리는 직각 */
    --radius: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    min-height: 100vh;
    padding: 40px 16px 60px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 920px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: 0 24px 60px -28px rgba(15, 23, 42, 0.25);
}

/* ── 헤더: 단색 플랫 ── */
.header {
    padding: 44px 40px 40px;
    text-align: center;
    color: #fff;
    background: var(--brand-deep);
}

.header h1 {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.header p {
    margin-top: 6px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
}

/* ── 진행 단계 ── */
.progress-bar {
    display: flex;
    padding: 20px 28px;
    border-bottom: 1px solid var(--line);
    background: #fafbfd;
    overflow-x: auto;
}

.progress-step {
    flex: 1;
    min-width: 96px;
    text-align: center;
    position: relative;
    padding-top: 34px;
    font-size: 12.5px;
    color: var(--ink-mute);
    white-space: nowrap;
}

.progress-step::before {
    content: attr(data-step);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 26px;
    line-height: 24px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink-mute);
    font-weight: 700;
    font-size: 12px;
}

/* 연결선 */
.progress-step::after {
    content: '';
    position: absolute;
    top: 13px;
    left: calc(-50% + 14px);
    right: calc(50% + 14px);
    height: 2px;
    background: var(--line);
}

.progress-step:first-child::after {
    display: none;
}

.progress-step.active {
    color: var(--brand);
    font-weight: 700;
}

.progress-step.active::before {
    border-color: var(--brand);
    background: var(--brand);
    color: #fff;
    box-shadow: 0 6px 14px -6px rgba(79, 70, 229, 0.6);
}

.progress-step.completed {
    color: var(--ink-soft);
    font-weight: 500;
}

.progress-step.completed::before {
    content: '✓';
    border-color: var(--brand);
    background: var(--brand-soft);
    color: var(--brand);
}

.progress-step.completed::after,
.progress-step.active::after {
    background: var(--brand);
    opacity: 0.4;
}

/* ── 본문 ── */
.content {
    padding: 36px 40px 40px;
}

.content h2 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 6px;
}

.content h2 + p {
    color: var(--ink-soft);
    margin-bottom: 24px;
}

.content h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 28px 0 12px;
}

/* ── 라이선스 동의 ── */
.license-content {
    padding: 38px 40px 42px;
}

.license-heading {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 26px;
}

.license-emblem {
    display: grid;
    flex: 0 0 58px;
    height: 58px;
    place-items: center;
    border-radius: 16px;
    background: var(--brand-deep);
    color: #fff;
    box-shadow: 0 12px 24px -14px rgba(30, 27, 75, 0.75);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.06em;
}

.license-heading .license-kicker {
    display: inline-block;
    margin-bottom: 2px;
    color: var(--brand);
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.license-heading h2 {
    margin: 0;
    font-size: 24px;
}

.license-heading h2 + p {
    margin: 2px 0 0;
    color: var(--ink-soft);
    font-size: 13.5px;
}

.license-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 18px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #f8fafc;
}

.license-summary-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    padding: 14px 15px;
}

.license-summary-item + .license-summary-item {
    border-left: 1px solid var(--line);
}

.license-summary-number {
    color: var(--brand);
    font-size: 11px;
    font-weight: 900;
}

.license-summary-item strong,
.license-summary-item span:last-child {
    display: block;
}

.license-summary-item strong {
    font-size: 13px;
}

.license-summary-item span:last-child {
    margin-top: 1px;
    overflow: hidden;
    color: var(--ink-mute);
    font-size: 11.5px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.license-document-shell {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
}

.license-document-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 16px;
    border-bottom: 1px solid var(--line);
    background: #f8fafc;
    color: var(--ink-mute);
    font-size: 11.5px;
}

.license-document-header > div {
    display: flex;
    align-items: center;
    gap: 8px;
}

.license-document-header strong {
    color: var(--ink-soft);
    font-size: 12.5px;
}

.license-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--ok);
    box-shadow: 0 0 0 3px var(--ok-soft);
}

.license-document {
    display: block;
    width: 100%;
    height: 250px;
    min-height: 180px;
    padding: 18px 20px;
    overflow: auto;
    resize: vertical;
    border: 0;
    background: #fff;
    color: var(--ink-soft);
    font: 12px/1.75 "JetBrains Mono", Consolas, "Courier New", monospace;
    scrollbar-color: #cbd5e1 transparent;
    scrollbar-width: thin;
}

.license-document:focus {
    outline: 2px solid rgba(79, 70, 229, 0.5);
    outline-offset: -2px;
}

.license-third-party {
    margin: 0;
    padding: 9px 16px;
    border-top: 1px solid var(--line);
    background: #fafbfd;
    color: var(--ink-mute);
    font-size: 11.5px;
}

.license-form {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 18px;
    padding: 14px;
    border: 1px solid #c7d2fe;
    border-radius: 12px;
    background: var(--brand-soft);
}

.license-agreement {
    display: flex;
    flex: 1;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.license-agreement input {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    margin-top: 3px;
    accent-color: var(--brand);
}

.license-agreement strong,
.license-agreement small {
    display: block;
}

.license-agreement strong {
    color: var(--brand-deep);
    font-size: 13.5px;
}

.license-agreement small {
    margin-top: 1px;
    color: var(--ink-soft);
    font-size: 11.5px;
    font-weight: 400;
}

.license-submit {
    flex: 0 0 auto;
    min-width: 126px;
    padding: 11px 18px;
}

.license-submit span {
    display: inline-block;
    margin-left: 5px;
    transition: transform 0.15s;
}

.license-submit:hover span {
    transform: translateX(3px);
}

/* ── 폼 ── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    height: 46px;
    box-sizing: border-box;
    padding: 0 14px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    font-size: 14.5px;
    font-family: inherit;
    line-height: 1.4;
    color: var(--ink);
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 40px;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%236b7280' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--ink-mute);
    font-size: 12.5px;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ── 시작 킷 선택 카드 ── */
.kit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 12px;
    margin-top: 10px;
}

.kit-card {
    display: block;
    border: 1px solid #d1d5db;
    border-radius: var(--radius);
    padding: 14px;
    cursor: pointer;
    background: #fff;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.kit-card:hover {
    border-color: var(--brand);
    transform: translateY(-1px);
}

.kit-card:has(input:checked) {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.18), 0 12px 24px -16px rgba(79, 70, 229, 0.5);
    background: var(--brand-soft);
}

.kit-card strong {
    margin-left: 6px;
    font-size: 14px;
}

.kit-card img {
    display: block;
    width: 100%;
    height: 96px;
    object-fit: cover;
    object-position: top;
    margin-top: 10px;
    border: 1px solid var(--line);
}

.kit-card .kit-summary {
    display: block;
    margin-top: 8px;
    color: var(--ink-soft);
    font-size: 12.5px;
    line-height: 1.5;
}

/* ── 알림 ── */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13.5px;
    border: 1px solid transparent;
}

.alert strong {
    font-weight: 700;
}

.alert-error {
    background: var(--danger-soft);
    border-color: #fecaca;
    color: #991b1b;
}

.alert-success {
    background: var(--ok-soft);
    border-color: #a7f3d0;
    color: #065f46;
}

.alert-warning {
    background: var(--warn-soft);
    border-color: #fde68a;
    color: #92400e;
}

.alert-info {
    background: var(--info-soft);
    border-color: #bfdbfe;
    color: #1e40af;
}

.alert pre {
    margin: 10px 0;
    padding: 12px 14px;
    background: rgba(15, 23, 42, 0.85);
    color: #e2e8f0;
    font-size: 12px;
    overflow-x: auto;
    line-height: 1.7;
}

.alert code,
.content code {
    font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
    font-size: 0.92em;
    background: rgba(15, 23, 42, 0.06);
    padding: 1px 6px;
    border-radius: 5px;
}

.alert pre code {
    background: none;
    padding: 0;
}

/* ── 체크리스트 (환경 체크 / 설치 요약) ── */
.check-list {
    list-style: none;
    margin: 12px 0 20px;
}

.module-check-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.module-check-grid .check-item {
    min-width: 0;
    height: 100%;
    margin-bottom: 0;
}

.module-check-grid .check-item .info span {
    word-break: keep-all;
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    margin-bottom: 8px;
    background: #fff;
}

.check-item .icon {
    flex: 0 0 26px;
    height: 26px;
    line-height: 26px;
    text-align: center;
    border-radius: 999px;
    font-weight: 800;
    font-size: 13px;
}

.check-item.ok .icon {
    background: var(--ok-soft);
    color: var(--ok);
}

.check-item.warning .icon {
    background: var(--warn-soft);
    color: var(--warn);
}

.check-item.fail .icon {
    background: var(--danger-soft);
    color: var(--danger);
}

.check-item.fail {
    border-color: #fecaca;
}

.check-item .info {
    flex: 1;
    min-width: 0;
}

.check-item .info strong {
    display: block;
    font-size: 14px;
}

.permission-purpose {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 6px;
    color: var(--ink-soft);
    background: var(--bg);
    border-radius: 999px;
    font-size: 10.5px;
    font-weight: 600;
    vertical-align: 1px;
}

.check-item .info span {
    color: var(--ink-soft);
    font-size: 13px;
    word-break: break-all;
}

.check-item .info .permission-meta,
.check-item .info .permission-guidance {
    display: block;
    margin-top: 4px;
    line-height: 1.5;
    word-break: keep-all;
}

.check-item .info .permission-meta {
    color: var(--ink-mute);
    font-family: "JetBrains Mono", Consolas, "Courier New", monospace;
    font-size: 11.5px;
}

.check-item .info .permission-guidance {
    color: var(--ink-soft);
    font-size: 12.5px;
}

.permission-help ol {
    margin: 10px 0 0 20px;
}

.permission-help li + li {
    margin-top: 6px;
}

.permission-help p {
    margin-top: 10px;
}

/* ── 버튼 ── */
.button-group {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    min-height: 46px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 14.5px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
}

.input-action {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.input-action input {
    flex: 1;
    min-width: 0;
}

.input-action .btn {
    flex: 0 0 auto;
    padding: 0 18px;
    white-space: nowrap;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 12px 24px -12px rgba(79, 70, 229, 0.7);
}

.btn-primary:hover {
    background: #4338ca;
}

.btn-success {
    background: var(--ok);
    color: #fff;
    box-shadow: 0 12px 24px -12px rgba(5, 150, 105, 0.6);
}

.btn-success:hover {
    background: #047857;
}

.btn-secondary {
    background: #fff;
    border-color: #d1d5db;
    color: var(--ink-soft);
}

.btn-secondary:hover {
    border-color: var(--ink-mute);
    color: var(--ink);
}

.btn-accent {
    background: var(--brand-soft);
    border-color: #c7d2fe;
    color: var(--brand);
}

.btn-accent:hover {
    background: #e0e7ff;
    border-color: var(--brand);
}

.btn-danger {
    background: #fff;
    border-color: #fecaca;
    color: var(--danger);
    padding: 8px 14px;
    font-size: 13px;
}

.btn-danger:hover {
    background: var(--danger-soft);
}

/* ── 초기화 바 / 푸터 ── */
.reset-bar {
    display: flex;
    justify-content: flex-end;
    padding: 12px 40px 0;
}

.footer {
    padding: 18px 40px;
    border-top: 1px solid var(--line);
    background: #fafbfd;
    text-align: center;
    color: var(--ink-mute);
    font-size: 12.5px;
}

/* ── 반응형 ── */
@media (max-width: 760px) {
    .module-check-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    body {
        padding: 16px 8px 32px;
    }

    .content {
        padding: 24px 20px 28px;
    }

    .license-content {
        padding: 28px 20px 30px;
    }

    .license-summary {
        grid-template-columns: 1fr;
    }

    .license-summary-item + .license-summary-item {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .license-summary-item span:last-child {
        white-space: normal;
    }

    .license-form {
        align-items: stretch;
        flex-direction: column;
    }

    .license-submit {
        width: 100%;
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .header {
        padding: 32px 20px 28px;
    }

    .reset-bar {
        padding: 12px 20px 0;
    }

    .button-group {
        flex-direction: column-reverse;
    }
}

@media (max-width: 460px) {
    .module-check-grid {
        grid-template-columns: 1fr;
    }
}