/* ═══════════════════════════════════════════════
   부자들의 공부 노트 — 노트 필기 스타일
   모바일 우선 (375px~), 데스크톱 max-width: 480px
   ═══════════════════════════════════════════════ */

/* ── CSS 변수 ── */

:root {
    --ink-primary: #2C3E50;
    --ink-secondary: #5D4037;
    --ink-red: #C0392B;
    --ink-green: #27AE60;
    --paper-bg: #FDF6E3;
    --paper-white: #FFFEF9;
    --line-color: rgba(212, 197, 169, 0.3);
    --margin-line: rgba(232, 180, 184, 0.25);
    --highlight: #F9E79F;
    --font-hand: 'Gmarket Sans', sans-serif;
    --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --btn-disabled: #9E9589;
    --placeholder: rgba(93, 64, 55, 0.5);
    --toggle-off: #ccc;
    --pw-medium: #E67E22;
    --pw-fair: #F1C40F;
}


/* ── 스킵 네비게이션 (A5) ── */

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
    padding: 8px 16px;
    background: var(--ink-primary);
    color: var(--paper-white);
    font-size: 16px;
    text-decoration: none;
}

.skip-link:focus {
    left: 0;
}


/* ── 리셋 & 기본 ── */

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


/* ── 포커스 표시 (A1) ── */

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--ink-primary);
    outline-offset: 2px;
}

/* 필수 필드 표시 (A13) */
.required-label::after {
    content: ' *';
    color: var(--ink-red);
}

body {
    font-family: var(--font-hand);
    background: var(--paper-bg);
    color: var(--ink-primary);
    line-height: 1.8;
    font-size: clamp(16px, 2.5vw, 18px);
    -webkit-font-smoothing: antialiased;
}

/* Wired Elements CDN 실패 대비 fallback */
wired-button:not(:defined) {
    display: inline-block;
    padding: 10px 20px;
    border: 2px solid var(--ink-primary);
    cursor: pointer;
    font-family: var(--font-hand);
    font-size: 18px;
    background: var(--paper-white);
}
wired-card:not(:defined) {
    display: block;
    padding: 16px;
    border: 1px solid var(--line-color);
    background: var(--paper-white);
}
wired-input:not(:defined) {
    display: block;
    width: 100%;
    padding: 8px;
    border: none;
    border-bottom: 2px solid var(--ink-primary);
    font-family: var(--font-hand);
    font-size: 18px;
    background: transparent;
}
wired-checkbox:not(:defined),
wired-toggle:not(:defined) {
    display: inline-block;
}
wired-divider:not(:defined) {
    display: block;
    height: 1px;
    border-bottom: 1px dashed var(--line-color);
    margin: 16px 0;
}


/* ── 앱 컨테이너 — 줄노트 배경 ── */

.app-container {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background-color: var(--paper-white);
    background-image:
        repeating-linear-gradient(
            transparent,
            transparent 31px,
            var(--line-color) 31px,
            var(--line-color) 32px
        );
    background-size: 100% 32px;
    position: relative;
    box-shadow:
        inset 0 0 80px rgba(0,0,0,0.03),
        0 0 20px rgba(0,0,0,0.1);
}

/* 왼쪽 마진선 (핑크) */
.app-container::before {
    content: '';
    position: absolute;
    left: 36px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--margin-line);
    opacity: 0.4;
    z-index: 1;
    pointer-events: none;
}


/* ── 네비게이션바 ── */

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    padding: 0 16px;
    background: var(--paper-white);
    border-bottom: none;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-logo {
    font-size: 22px;
    font-weight: 400;
    color: var(--ink-primary);
    text-decoration: none;
}

/* 햄버거 버튼 */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 201;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--ink-primary);
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.25s;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
}
.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 드롭다운 메뉴 */
.navbar-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 56px;
    right: 0;
    left: 0;
    background: var(--paper-white);
    border-bottom: 1px solid var(--line-color);
    padding: 8px 0;
    z-index: 200;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.navbar-menu.open {
    display: flex;
}

.navbar-link {
    padding: 12px 20px;
    font-size: 17px;
    font-weight: 400;
    color: var(--ink-secondary);
    text-decoration: none;
    border-radius: 0;
}

.navbar-link:hover {
    background: var(--highlight);
}

.navbar-link-accent {
    color: var(--ink-primary);
    font-weight: 400;
}


/* ── 버튼 ── */

.btn-primary {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--ink-primary);
    color: var(--paper-white);
    text-align: center;
    border-radius: 0;
    font-size: 20px;
    font-family: var(--font-hand);
    font-weight: 400;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transform: rotate(-0.5deg);
    position: relative;
    overflow: visible;
    transition: transform 0.1s;
}

.btn-primary:hover {
    transform: rotate(0deg);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-primary:disabled {
    background: var(--btn-disabled);
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    display: block;
    width: 100%;
    padding: 12px;
    background: transparent;
    color: var(--ink-primary);
    text-align: center;
    border-radius: 0;
    font-size: 18px;
    font-family: var(--font-hand);
    font-weight: 400;
    text-decoration: none;
    border: none;
    cursor: pointer;
    margin-top: 8px;
    transform: rotate(0.3deg);
    position: relative;
    overflow: visible;
    transition: transform 0.1s;
}

.btn-secondary:hover {
    transform: rotate(0deg);
    background: var(--highlight);
}

.btn-secondary:active {
    background: var(--highlight);
    transform: scale(0.98);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-small {
    display: inline-flex;
    align-items: center;
    width: auto;
    padding: 8px 16px;
    font-size: 16px;
    min-height: 44px;
}

.comment-counter {
    font-size: 14px;
    color: var(--ink-secondary);
    text-align: right;
    margin-top: 4px;
}

.comment-counter.near-limit {
    color: var(--ink-red);
}


/* ── 랜딩 페이지 ── */

.landing {
    padding: 0 20px;
}

.hero {
    text-align: center;
    padding: 48px 0 32px;
}

.hero h1 {
    font-size: clamp(26px, 7vw, 32px);
    font-weight: 400;
    color: var(--ink-primary);
    margin-bottom: 12px;
}

.hero-sub {
    font-size: clamp(16px, 2.5vw, 18px);
    color: var(--ink-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.my-missions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: left;
    margin-top: 16px;
}

.mission-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--paper-white);
    text-decoration: none;
    color: var(--ink-primary);
    position: relative;
}

.mission-title {
    flex: 1;
    font-size: 18px;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mission-status {
    font-size: 15px;
    flex-shrink: 0;
}

.mission-status.active { color: var(--ink-green); }
.mission-status.waiting { color: var(--ink-secondary); }

.mission-progress {
    font-size: 15px;
    color: var(--ink-secondary);
    flex-shrink: 0;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px 0;
}

.feature-card {
    padding: 20px;
    border-radius: 0;
    background: var(--paper-white);
    border: none;
    position: relative;
}

.feature-card:nth-child(1) { transform: rotate(-0.7deg); }
.feature-card:nth-child(2) { transform: rotate(0.5deg); }
.feature-card:nth-child(3) { transform: rotate(-0.3deg); }

.feature-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 4px;
}

.feature-card p {
    font-size: 16px;
    color: var(--ink-secondary);
}

.current-books {
    padding: 24px 0;
}

.current-books h2,
.how-it-works h2 {
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--ink-primary);
}

.book-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.book-card {
    padding: 16px;
    border-radius: 0;
    border: none;
    background: var(--paper-white);
    position: relative;
}

.book-card h4 {
    font-size: 18px;
    font-weight: 400;
}

.book-author {
    font-size: 16px;
    color: var(--ink-secondary);
}

.book-waiting {
    font-size: 16px;
    color: var(--ink-red);
    font-weight: 400;
    margin: 4px 0;
}

.how-it-works {
    padding: 24px 0;
}

.steps {
    padding-left: 20px;
}

.steps li {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--ink-primary);
}


/* ── 인증 페이지 (로그인/가입) ── */

.auth-page {
    padding: 48px 20px;
}

.auth-page h1 {
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 24px;
    text-align: center;
    color: var(--ink-primary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-form label {
    font-size: 16px;
    font-weight: 400;
    color: var(--ink-secondary);
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 0;
    font-size: 18px;
    font-family: var(--font-hand);
    background: transparent;
    outline: none;
    color: var(--ink-primary);
}

.auth-form input::placeholder {
    color: var(--placeholder);
    font-family: var(--font-hand);
}

.auth-error {
    color: var(--ink-red);
    font-size: 16px;
    text-align: center;
}

.auth-success {
    color: var(--ink-green);
    font-size: 16px;
    text-align: center;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-links a {
    font-size: 16px;
    color: var(--ink-primary);
    text-decoration: underline;
    text-decoration-style: wavy;
}

.resend-section {
    margin-top: 12px;
    padding: 14px;
    background: var(--highlight);
    border-radius: 2px;
    text-align: center;
    border: 1px dashed var(--ink-secondary);
}

.resend-info {
    font-size: 16px;
    color: var(--ink-secondary);
    margin-bottom: 10px;
}

.resend-hint {
    font-size: 15px;
    color: var(--ink-secondary);
    margin-top: 8px;
    display: inline-block;
}

.resend-hint a {
    color: var(--ink-primary);
    text-decoration: underline;
}

.checkbox-group {
    font-size: 16px;
    color: var(--ink-secondary);
    margin: 8px 0;
}

.checkbox-group .agree-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    line-height: 1.4;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--ink-primary, #2C3E50);
    cursor: pointer;
}

.checkbox-group a {
    color: var(--ink-primary);
    text-decoration: underline;
}

/* ── 토글 스위치 ── */

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.toggle-switch .toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--toggle-off);
    border-radius: 26px;
    cursor: pointer;
    transition: background 0.3s;
}

.toggle-switch .toggle-slider::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 3px;
    width: 20px;
    height: 20px;
    background: var(--paper-white);
    border-radius: 50%;
    transition: transform 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--ink-green, #27AE60);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}


/* ── 도서 목록 페이지 ── */

.books-page {
    padding: 0 20px 40px;
}

.page-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 0 8px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 400;
}

.back-link {
    font-size: 22px;
    text-decoration: none;
    color: var(--ink-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.page-desc {
    font-size: 16px;
    color: var(--ink-secondary);
    margin-bottom: 20px;
}

.book-list-full {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.book-card-full {
    padding: 16px;
    border-radius: 0;
    border: 1px solid var(--line-color);
    background: var(--paper-white);
    position: relative;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.book-cover {
    width: clamp(80px, 25vw, 120px);
    height: auto;
    aspect-ratio: 120 / 170;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
}

.book-cover-placeholder {
    width: clamp(80px, 25vw, 120px);
    height: auto;
    aspect-ratio: 120 / 170;
    background: var(--paper-bg);
    border-radius: 2px;
    flex-shrink: 0;
    border: 1px dashed var(--line-color);
}

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

.book-info h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 4px;
}

.book-pages {
    font-size: 14px;
    color: var(--ink-secondary);
}

.book-desc {
    font-size: 16px;
    color: var(--ink-secondary);
    margin-top: 8px;
    line-height: 1.6;
}

.book-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--line-color);
    width: 100%;
}

.book-price {
    font-size: clamp(18px, 4vw, 22px);
    font-weight: 400;
    color: var(--ink-red);
}


/* ── 가변 격자 (인원별) ── */

.grid-container {
    display: grid;
    gap: 8px;
    padding: 16px;
    max-width: 420px;
    margin: 0 auto;
    position: relative;
    overflow: visible;
}

.grid-container.grid-4 { grid-template-columns: repeat(2, 1fr); }
.grid-container.grid-5,
.grid-container.grid-6 { grid-template-columns: repeat(3, 1fr); }
.grid-container.grid-7,
.grid-container.grid-8,
.grid-container.grid-9 { grid-template-columns: repeat(3, 1fr); }

.grid-cell {
    border-radius: 0;
    overflow: visible;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--paper-white);
    border: none;
    min-height: 100px;
}

.grid-cell.submitted {
    background: var(--paper-white);
}

.grid-cell.empty {
    background: var(--paper-white);
}

.grid-cell.my-cell {
    transform: rotate(-1deg);
}

.grid-cell.my-cell.submitted {
    transform: rotate(0.5deg);
}

.grid-cell.withdrawn {
    background: var(--paper-bg);
    opacity: 0.5;
}

.memo-thumb {
    width: 100%;
    height: auto;
    object-fit: contain;
    cursor: pointer;
}

.nickname {
    font-size: 14px;
    font-weight: 400;
    margin-top: 4px;
}

.time {
    font-size: 14px;
    color: var(--ink-secondary);
}

.empty-slot {
    text-align: center;
}

.empty-text {
    font-size: 15px;
    color: var(--line-color);
}

.empty-text.sub {
    font-size: 14px;
}

.empty-text.alert {
    color: var(--ink-red);
}


/* ── 업로드 버튼 ── */

.upload-btn {
    display: block;
    max-width: 420px;
    margin: 20px auto;
    padding: 16px;
    background: var(--ink-primary);
    color: var(--paper-white);
    text-align: center;
    border-radius: 0;
    font-size: 22px;
    font-family: var(--font-hand);
    font-weight: 400;
    text-decoration: none;
    transform: rotate(-0.5deg);
    position: relative;
    overflow: visible;
}

.upload-btn:hover {
    transform: rotate(0deg);
}

.upload-done {
    max-width: 420px;
    margin: 20px auto;
    padding: 16px;
    background: transparent;
    color: var(--ink-green);
    text-align: center;
    border: none;
    border-radius: 0;
    font-size: 20px;
    position: relative;
    overflow: visible;
}

.replace-link {
    font-size: 15px;
    color: var(--ink-secondary);
    text-decoration: underline;
    margin-left: 8px;
}


/* ── 상태 바 ── */

.status-bar {
    max-width: 420px;
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    color: var(--ink-secondary);
}


/* ── 댓글 ── */

.comments-section {
    max-width: 420px;
    margin: 24px auto 0;
    padding: 0 16px;
}

.section-title {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--line-color);
}

.comment-item {
    padding: 10px 0;
    border-bottom: 1px dashed var(--line-color);
}

.comment-author {
    font-size: 16px;
    font-weight: 400;
    color: var(--ink-primary);
}

.comment-time {
    font-size: 14px;
    color: var(--ink-secondary);
    margin-left: 8px;
}

.comment-delete {
    font-size: 14px;
    color: var(--ink-red);
    background: none;
    border: none;
    cursor: pointer;
    float: right;
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-hand);
}

.comment-content {
    font-size: 16px;
    margin-top: 4px;
    line-height: 1.6;
}

.comment-form {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.comment-form input {
    flex: 1;
    padding: 10px 12px;
    border: none;
    border-radius: 0;
    font-size: 16px;
    font-family: var(--font-hand);
    background: transparent;
    color: var(--ink-primary);
    outline: none;
}

.comment-form input::placeholder {
    color: var(--placeholder);
    font-family: var(--font-hand);
}

.comment-form button {
    padding: 10px 16px;
    background: var(--ink-primary);
    color: var(--paper-white);
    border: none;
    border-radius: 0;
    font-size: 16px;
    font-family: var(--font-hand);
    cursor: pointer;
    position: relative;
    overflow: visible;
    min-height: 44px;
}


/* ── 유틸 ── */

.empty {
    text-align: center;
    color: var(--line-color);
    padding: 40px 0;
    font-size: 16px;
}


/* ── 푸터 ── */

.footer {
    text-align: center;
    padding: 32px 20px;
    border-top: 1px dashed var(--line-color);
    margin-top: 40px;
    font-size: 15px;
    color: var(--ink-secondary);
}

.footer nav {
    margin: 8px 0;
}

.footer a {
    color: var(--ink-secondary);
    text-decoration: underline;
}

.contact {
    margin-top: 4px;
}


/* ── 요약 페이지 ── */

.summary-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.keyword-tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--highlight);
    color: var(--ink-primary);
    border-radius: 2px;
    font-size: 16px;
}

.summary-insight {
    padding: 16px;
    background: var(--highlight);
    border-radius: 2px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink-secondary);
    margin-bottom: 20px;
    border-left: 3px solid var(--ink-secondary);
}

.cluster-card {
    padding: 14px;
    margin-bottom: 12px;
    border: none;
    border-radius: 0;
    background: var(--paper-white);
    position: relative;
}

.cluster-topic {
    font-size: 18px;
    font-weight: 400;
    color: var(--ink-primary);
    margin-bottom: 6px;
}

.cluster-summary {
    font-size: 16px;
    color: var(--ink-secondary);
    line-height: 1.6;
}

.inline-cite {
    font-size: 13px;
    color: var(--ink-accent, #1976D2);
    text-decoration: none;
    white-space: nowrap;
}

.inline-cite:hover {
    text-decoration: underline;
}

.summary-memos {
    margin-top: 24px;
}

.memo-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.memo-card {
    border: none;
    border-radius: 0;
    overflow: visible;
    position: relative;
}

.memo-card-header {
    display: flex;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--paper-bg);
}

.memo-nickname {
    font-size: 16px;
    font-weight: 400;
}

.memo-time {
    font-size: 14px;
    color: var(--ink-secondary);
}

.memo-image {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
    cursor: pointer;
}

.ocr-toggle {
    display: block;
    width: 100%;
    padding: 8px;
    background: none;
    border: none;
    border-top: 1px dashed var(--line-color);
    color: var(--ink-primary);
    font-size: 15px;
    font-family: var(--font-hand);
    cursor: pointer;
    text-align: center;
}

.ocr-text {
    padding: 12px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--ink-primary);
    background: var(--paper-bg);
    white-space: pre-wrap;
}

.image-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    cursor: pointer;
}

.full-image {
    max-width: 95%;
    max-height: 90vh;
    border-radius: 2px;
}


/* ── 타임라인 ── */

.timeline-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.timeline-card {
    display: flex;
    gap: 12px;
    padding: 14px;
    border-radius: 0;
    border-bottom: 1px dashed var(--line-color);
    text-decoration: none;
    color: var(--ink-primary);
}

.timeline-card.has-summary {
    background: transparent;
    cursor: pointer;
}

.timeline-card.has-summary:hover {
    background: var(--highlight);
}

.timeline-card:not(.has-summary) {
    background: transparent;
    opacity: 0.5;
    cursor: default;
}

.timeline-day {
    min-width: 52px;
    font-size: 18px;
    font-weight: 400;
    color: var(--ink-red);
}

.timeline-info {
    flex: 1;
}

.timeline-keywords {
    font-size: 16px;
    color: var(--ink-primary);
    margin-bottom: 4px;
}

.timeline-insight {
    font-size: 15px;
    color: var(--ink-secondary);
    line-height: 1.5;
}

.timeline-meta {
    font-size: 14px;
    color: var(--ink-secondary);
    margin-top: 4px;
}

.timeline-empty {
    font-size: 15px;
    color: var(--line-color);
}


/* ── 관리자 서브 네비게이션 (IA1) ── */

.admin-nav {
    display: flex;
    gap: 4px;
    padding: 0 16px 12px;
    border-bottom: 1px dashed var(--line-color);
    margin-bottom: 16px;
}

.admin-nav-link {
    flex: 1;
    text-align: center;
    padding: 8px 4px;
    font-size: 15px;
    color: var(--ink-secondary);
    text-decoration: none;
    border-radius: 2px;
}

.admin-nav-link:hover {
    background: var(--highlight);
}

.admin-nav-link.active {
    color: var(--ink-primary);
    font-weight: 700;
    border-bottom: 2px solid var(--ink-primary);
}


/* ── 요약 일간 네비게이션 (IA3) ── */

.day-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    margin-top: 8px;
}

.day-nav a {
    font-size: 16px;
    color: var(--ink-primary);
    text-decoration: none;
    padding: 8px 12px;
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.day-nav a:hover {
    background: var(--highlight);
}

.day-nav a.disabled {
    color: var(--line-color);
    pointer-events: none;
}

.day-nav span {
    font-size: 16px;
    color: var(--ink-secondary);
}


/* ── 어드민 ── */

.admin-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-card {
    padding: 16px;
    border-radius: 0;
    background: var(--paper-white);
    border: none;
    text-align: center;
    position: relative;
}

.stat-value {
    font-size: 28px;
    font-weight: 400;
    color: var(--ink-primary);
}

.stat-label {
    font-size: 16px;
    color: var(--ink-secondary);
    margin-top: 4px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
}

.admin-table th {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 2px solid var(--ink-primary);
    color: var(--ink-primary);
    font-weight: 400;
    word-break: break-word;
}

.admin-table td {
    padding: 10px 8px;
    border-bottom: 1px dashed var(--line-color);
    color: var(--ink-secondary);
    vertical-align: top;
    word-break: break-word;
}

.admin-table tr:hover td {
    background: var(--highlight);
}

.admin-table .inactive {
    opacity: 0.5;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 14px;
    border-radius: 4px;
}

.badge-active { background: var(--ink-green); color: var(--paper-white); }
.badge-waiting { background: var(--highlight); color: var(--ink-primary); }
.badge-completed { background: var(--line-color); color: var(--ink-primary); }
.badge-yes { background: var(--ink-green); color: var(--paper-white); }
.badge-no { background: var(--ink-red); color: var(--paper-white); }

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: var(--paper-white);
    margin-bottom: 24px;
}

.admin-form label {
    font-size: 16px;
    color: var(--ink-secondary);
}

.admin-form input,
.admin-form textarea {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--font-hand);
    font-size: 18px;
    border: none;
    border-bottom: 2px solid var(--ink-primary);
    background: transparent;
    color: var(--ink-primary);
    outline: none;
}

.admin-form textarea {
    resize: vertical;
    min-height: 60px;
    line-height: 1.6;
}

.admin-form input:focus,
.admin-form textarea:focus {
    border-bottom-color: var(--ink-red);
}

.admin-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-actions button {
    padding: 4px 12px;
    font-family: var(--font-hand);
    font-size: 15px;
    cursor: pointer;
    border: 1px solid var(--ink-primary);
    background: transparent;
    color: var(--ink-primary);
}

.admin-actions button:hover {
    background: var(--highlight);
}

.admin-actions button:active {
    background: var(--highlight);
}

.admin-actions button.danger {
    color: var(--ink-red);
    border-color: var(--ink-red);
}

.mypage-section {
    padding: 0 0 20px;
    margin-bottom: 16px;
    border-bottom: 1px dashed var(--line-color);
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}



/* ── 약관/개인정보 페이지 ── */

.legal-page {
    padding: 0 20px 40px;
}

.legal-updated {
    font-size: 15px;
    color: var(--ink-secondary);
    margin-bottom: 20px;
}

.legal-content h2 {
    font-size: 20px;
    font-weight: 400;
    color: var(--ink-primary);
    margin-top: 24px;
    margin-bottom: 8px;
}

.legal-content p,
.legal-content li {
    font-size: 16px;
    color: var(--ink-primary);
    line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
    padding-left: 20px;
    margin-bottom: 12px;
}

.legal-content li {
    margin-bottom: 4px;
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0 16px;
    font-size: 15px;
}

.legal-table th,
.legal-table td {
    padding: 8px 10px;
    border: 1px solid var(--line-color);
    text-align: left;
}

.legal-table th {
    background: var(--paper-bg);
    color: var(--ink-primary);
    word-break: break-word;
}

.legal-table td {
    color: var(--ink-secondary);
    word-break: break-word;
}


/* ── 업로드 폼 ── */

.upload-dropzone {
    display: block;
    padding: 40px;
    border: 3px dashed var(--ink-secondary);
    background: var(--paper-bg);
    cursor: pointer;
    text-align: center;
    font-size: 18px;
    color: var(--ink-secondary);
    transform: rotate(-0.5deg);
    margin-bottom: 16px;
}

.upload-dropzone:hover {
    background: var(--highlight);
    border-color: var(--ink-primary);
}

.upload-dropzone.dragover {
    background: #FEF9E7;
    border-color: var(--ink-green);
    border-width: 4px;
    color: var(--ink-green);
    transform: rotate(0deg) scale(1.02);
}

/* 뱃지 */
.makeup-badge {
    font-size: 14px;
    color: var(--ink-red);
    border: 1px dashed var(--ink-red);
    padding: 2px 6px;
    border-radius: 2px;
}


/* ── 모달 (B3) ── */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-box {
    background: var(--paper-white);
    padding: 24px 20px;
    max-width: 360px;
    width: 90%;
    position: relative;
}

.modal-box h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 12px;
    color: var(--ink-primary);
}

.modal-box p {
    font-size: 16px;
    color: var(--ink-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.modal-box input {
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-bottom: 2px solid var(--ink-primary);
    font-family: var(--font-hand);
    font-size: 18px;
    background: transparent;
    color: var(--ink-primary);
    outline: none;
    margin-bottom: 12px;
}

.modal-box input:focus {
    border-bottom-color: var(--ink-red);
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.modal-actions button {
    padding: 10px 20px;
    font-family: var(--font-hand);
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 0;
}

.modal-actions .modal-cancel {
    background: transparent;
    color: var(--ink-secondary);
}

.modal-actions .modal-confirm {
    background: var(--ink-primary);
    color: var(--paper-white);
}

.modal-actions .modal-confirm.danger {
    background: var(--ink-red);
}


/* ── 비밀번호 강도 (C1) ── */

.pw-strength {
    margin-top: 4px;
    margin-bottom: 8px;
}

.pw-strength-bar {
    height: 4px;
    background: var(--line-color);
    border-radius: 2px;
    overflow: hidden;
}

.pw-strength-fill {
    height: 100%;
    width: 0;
    transition: width 0.3s, background 0.3s;
    border-radius: 2px;
}

.pw-strength-fill[data-level="1"] { width: 25%; background: var(--ink-red); }
.pw-strength-fill[data-level="2"] { width: 50%; background: var(--pw-medium); }
.pw-strength-fill[data-level="3"] { width: 75%; background: var(--pw-fair); }
.pw-strength-fill[data-level="4"] { width: 100%; background: var(--ink-green); }

.pw-strength-text {
    font-size: 13px;
    margin-top: 2px;
    color: var(--ink-secondary);
}


/* ── 프로그레스 바 (C2) ── */

.progress-bar {
    margin-top: 12px;
}

.progress-bar-track {
    height: 8px;
    background: var(--line-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0;
    background: var(--ink-green);
    border-radius: 4px;
    transition: width 0.2s;
}

.progress-bar-text {
    font-size: 14px;
    color: var(--ink-secondary);
    text-align: center;
    margin-top: 4px;
}


/* ── 통일된 로딩 스피너 (D2) ── */

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

.loading {
    text-align: center;
    color: var(--line-color);
    padding: 20px;
    font-size: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.loading::before {
    content: '';
    display: block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--line-color);
    border-top-color: var(--ink-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--line-color);
    border-top-color: var(--ink-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}


/* ── 인라인 스타일 CSS 클래스화 (R7) ── */

.waiting-cover {
    width: clamp(100px, 30vw, 140px);
    height: auto;
    border-radius: 4px;
    margin-bottom: 16px;
}

.book-preview-img {
    width: clamp(40px, 12vw, 60px);
    height: auto;
    aspect-ratio: 60 / 85;
    object-fit: cover;
    border-radius: 3px;
    flex-shrink: 0;
}

.book-preview-placeholder {
    width: clamp(40px, 12vw, 60px);
    height: auto;
    aspect-ratio: 60 / 85;
    background: var(--line-color);
    border-radius: 3px;
    flex-shrink: 0;
}


/* ── 관리자 카드 패턴 (VD2) ── */

.admin-card {
    border: 1px solid var(--line-color);
    padding: 14px;
    margin-bottom: 12px;
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.admin-card-title {
    font-size: 18px;
    font-weight: 700;
}

.admin-card-meta {
    font-size: 15px;
    color: var(--ink-secondary);
}


/* ── 주소 검색 패턴 (VD3) ── */

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

.address-search-btn {
    padding: 8px 14px;
    font-size: 14px;
    background: var(--paper-white);
    border: 1px solid var(--line-color);
    cursor: pointer;
    font-family: var(--font-hand);
    white-space: nowrap;
    flex-shrink: 0;
}


/* ── 정보 박스 패턴 (VD4) ── */

.info-box {
    padding: 16px;
    border: 1px dashed var(--line-color);
    border-radius: 4px;
}


/* ── 마이페이지 폼 오버라이드 (VD5) ── */

.admin-form-compact {
    padding: 12px;
    margin: 0;
    background: transparent;
}


/* ── 위험 동작 링크 (VD6) ── */

.danger-link {
    background: none;
    border: none;
    color: var(--ink-red);
    font-size: 15px;
    cursor: pointer;
    text-decoration: underline;
    font-family: var(--font-hand);
}


/* ── 그리드 페이지 네비게이션 (VD7) ── */

.page-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.page-nav .btn-secondary {
    flex: 1;
    text-align: center;
}


/* ── 반응형 ── */

@media (max-width: 480px) {
    .admin-table {
        font-size: 14px;
    }
}

@media (min-width: 600px) {
    .app-container {
        max-width: 600px;
    }
    .features {
        flex-direction: row;
    }
    .feature-card {
        flex: 1;
    }
}

@media (min-width: 768px) {
    .app-container {
        max-width: 720px;
    }
    .grid-cell {
        min-height: 100px;
    }
}

@media (min-width: 1024px) {
    .app-container {
        max-width: 780px;
    }
}