@import url("https://fonts.googleapis.com/css2?family=Gowun+Dodum&family=SUIT:wght@400;500;700;800&display=swap");

* {
    box-sizing: border-box;
}

:root {
    --font-body: "SUIT", "Pretendard", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
    --font-heading: "Gowun Dodum", "SUIT", "Pretendard", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
    --bg: #f4f4f9;
    --card-bg: #ffffff;
    --accent: #ffb347;
    --accent-dark: #ff8c42;
    --border: #ddd;
    --text-main: #333;
    --text-sub: #666;
}

body {
    font-family: var(--font-body);
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 16px 32px;
    background: var(--bg);
    background-image: var(--bg-grad);
    background-attachment: fixed;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

h1 {
    font-family: var(--font-heading);
    text-align: center;
    margin-bottom: 4px;
}

h2 {
    font-family: var(--font-heading);
    margin-top: 0;
    font-size: 1.15rem;
    font-weight: 700;
}

.card h2 a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

.card h2 a:hover {
    text-decoration: underline;
}

p {
    margin-top: 4px;
    color: var(--text-sub);
    font-size: 0.88rem;
    line-height: 1.4;
}

.hidden {
    display: none;
}

.top-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 8px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 10px 12px;
    border-radius: 14px;
    min-width: 230px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
    margin-bottom: 14px;
    position: relative;
    overflow: hidden;
}

.card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.card::before {
    content: "";
    position: absolute;
    right: -20px;
    top: -20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 179, 71, 0.16);
    z-index: -1;
}

.card div {
    margin: 2px 0;
}

/* 상단 세 카드(접속 완료 / 오늘의 할 일 / 나의 정보) */
.integrated-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 12px;
}

.info-row {
    display: contents;
}

#loginSection,
#daily-task-widget-container,
#myInfoSection {
    min-width: 0;
    width: 100%;
}

@media (min-width: 901px) {

    /* Top Row : Explicitly force columns 1, 2, 3 */
    #loginSection {
        grid-column: 1;
        grid-row: 1;
    }

    #daily-task-widget-container {
        grid-column: 2;
        grid-row: 1;
    }

    #myInfoSection {
        grid-column: 3;
        grid-row: 1;
    }

    /* Bottom Row : Explicitly force columns 1, 2, 3 (next row) */
    #routineSection {
        grid-column: 1;
    }

    #assignmentSummarySection {
        grid-column: 2;
    }

    #submissionSection {
        grid-column: 3;
    }
}

input {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.95rem;
    background: var(--input-bg, #fffdf8);
    color: var(--text-main);
}

button {
    padding: 6px 12px;
    cursor: pointer;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--glass-bg, #fff);
    color: var(--text-main);
    font-size: 0.9rem;
    transition: background 0.15s, transform 0.05s, box-shadow 0.15s;
}

button:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
}

button:active {
    transform: translateY(1px);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

#loginBtn {
    margin-left: 6px;
    background: var(--primary);
    border: none;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 6px var(--primary-soft);
}

#loginBtn:hover {
    filter: brightness(1.1);
}

#logoutBtn {
    background: #555;
    color: #fff;
    border: none;
}

#loginMsg {
    margin-top: 6px;
    font-size: 0.9rem;
    color: var(--text-sub);
}

/* 하단 카드 그리드 (루틴 / 과제 / 서류) */
.main-grid {
    display: contents;
}

/* Ensure hidden state works even with display: contents */
.main-grid.hidden {
    display: none !important;
}

.main-grid>.card {
    min-width: 0;
}

.main-grid>.card {
    min-width: 0;
}

@media (max-width: 900px) {

    .integrated-grid,
    .calendar-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }


    .calendar-main {
        grid-column: span 2;
    }

    .calendar-side {
        grid-column: span 2;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .calendar-side-card {
        flex: 1 1 200px;
    }
}

@media (max-width: 600px) {

    .integrated-grid,
    .calendar-layout {
        grid-template-columns: 1fr;
    }


    .calendar-main,
    .calendar-side {
        grid-column: span 1;
    }
}

/* 나의 정보 꾸미기 */
.my-info {
    margin-top: 4px;
    font-size: 0.9rem;
}

.my-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
}

.my-info-label {
    color: var(--text-sub);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.my-info-value {
    font-weight: 600;
}

.my-info-mini {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #b57c00;
    display: flex;
    align-items: center;
    gap: 4px;
}

.my-avatar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.avatar-bubble {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border: 2px solid var(--border);
    background: var(--card-bg);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
}

.my-avatar-text .name {
    font-weight: 700;
    color: var(--text-main);
}

.my-avatar-text .tag {
    font-size: 0.82rem;
    color: var(--text-sub);
}

/* 공지/과제/서류 미리보기 공통 스타일 */
#noticePreviewList,
#assignSummaryList,
#submissionList {
    margin-top: 6px;
    font-size: 0.9rem;
    line-height: 1.3;
}

.notice-preview-item,
.assignment-summary-item,
.submission-summary-item {
    padding: 4px 4px;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
}

.notice-preview-item:hover,
.assignment-summary-item:hover,
.submission-summary-item:hover {
    background: var(--accent-soft);
}

.notice-preview-item span.notice-date {
    font-size: 0.78rem;
    color: var(--text-sub);
    margin-left: 4px;
}

/* 게임 선택 카드 레이아웃 */
#gamesSection {
    margin-top: 20px;
}

.game-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 8px;
}

.game-card {
    flex: 1 1 260px;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 120px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.game-card.hidden {
    display: none !important;
    opacity: 0;
    transform: translateY(20px);
}

.game-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.game-desc {
    font-size: 0.9rem;
    color: var(--text-sub);
    margin-bottom: 8px;
}

.game-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
    border: 1px solid var(--accent);
}

.game-card::after {
    content: "➜";
    position: absolute;
    right: 10px;
    bottom: 10px;
    font-size: 0.9rem;
    color: #ff8c42;
    opacity: 0.6;
}

.game-card:hover {
    box-shadow: var(--glass-shadow);
    transform: translateY(-2px);
    background: var(--accent-soft);
    border-color: var(--accent);
}

#welcomeName {
    font-weight: 700;
}

#lockedMsg {
    margin-top: 6px;
    font-size: 0.9rem;
    color: #c0392b;
}

/* 루틴 / 과제 요약 전용 스타일 */
.routine-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-size: 0.95rem;
}

.routine-item input[type="checkbox"] {
    transform: scale(1.2);
    accent-color: var(--accent);
}

.routine-coin {
    font-size: 0.8rem;
    color: var(--accent);
    margin-left: 4px;
    font-weight: 600;
}

.routine-cap {
    font-size: 0.82rem;
    color: var(--accent);
    margin: 4px 0;
    font-weight: 600;
}

.routine-slot {
    font-size: 0.8rem;
    color: var(--text-sub);
    margin-bottom: 4px;
}

.assignment-summary-item,
.submission-summary-item {
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    cursor: pointer;
}

.assignment-summary-item:last-child,
.submission-summary-item:last-child {
    border-bottom: none;
}

.assignment-summary-item:hover,
.submission-summary-item:hover {
    background: var(--accent-soft);
}

.status-pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    background: var(--btn-outline-bg);
    color: var(--text-sub);
    border: 1px solid var(--border);
    margin-left: 6px;
}

.status-todo {
    background: var(--error);
    color: #fff;
    opacity: 0.8;
}

.status-submitted {
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid var(--accent);
}

.status-checked {
    background: #10b981;
    color: #fff;
}

.assignment-summary-detail,
.submission-summary-detail {
    margin-top: 4px;
    padding: 12px;
    border-radius: 12px;
    border: 1px dashed var(--accent);
    background: var(--cal-bg);
    color: var(--text-main);
    font-size: 0.9rem;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}

.assignment-summary-detail .detail-title,
.submission-summary-detail .detail-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.assignment-summary-detail .inline-safe-link,
.submission-summary-detail .inline-safe-link {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.assignment-summary-detail .inline-safe-link:hover,
.submission-summary-detail .inline-safe-link:hover {
    color: var(--accent-dark);
}

.assignment-summary-detail textarea {
    width: 100%;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
    min-height: 80px;
    resize: vertical;
    margin-top: 8px;
    background: var(--input-bg);
    color: var(--text-main);
}

.assignment-summary-detail button,
.submission-summary-detail button {
    padding: 6px 11px;
    border-radius: 999px;
    border: 1px solid var(--accent-dark);
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    margin-right: 6px;
    margin-top: 6px;
}

.assignment-summary-detail button.secondary,
.submission-summary-detail button.secondary {
    border-color: #aaa;
    background: #f2f2f2;
    color: #333;
}

.assignment-summary-detail button:disabled,
.submission-summary-detail button:disabled {
    opacity: 0.6;
    cursor: default;
}

.assignment-summary-detail .detail-status,
.submission-summary-detail .submission-detail-status {
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-sub);
}

.assignment-summary-detail .detail-status.error,
.submission-summary-detail .submission-detail-status.error {
    color: #e74c3c;
}

/* 토큰 개요 카드 스타일 (지금은 HTML/JS에서 사용 안 함) */
#tokenOverview {
    margin-top: 8px;
}

.token-overview-layout {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.token-chart-panel {
    flex: 2 1 340px;
    min-width: 260px;
}

.token-summary-panel {
    flex: 1 1 220px;
    min-width: 220px;
    border-radius: 10px;
    background: #fffaf0;
    padding: 8px 10px;
    box-shadow: inset 0 0 0 1px rgba(255, 179, 71, 0.3);
    font-size: 0.9rem;
}

.token-summary-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: #b56a00;
}

.token-summary-list {
    list-style: none;
    padding-left: 0;
    margin: 4px 0 0;
    font-size: 0.9rem;
}

.token-summary-list li {
    display: flex;
    justify-content: space-between;
    padding: 2px 0;
}

.token-summary-label {
    color: var(--text-sub);
}

.token-summary-value {
    font-weight: 600;
}

.token-chart-header {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.token-chart-caption {
    font-size: 0.78rem;
    color: var(--text-sub);
}

#tokenChart {
    width: 100%;
    height: 200px;
    margin-top: 4px;
}

.token-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-sub);
}

.token-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.token-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
}

.token-legend-dot.my {
    background: #ff8c42;
}

.token-legend-dot.avg {
    background: #4caf50;
}

.token-top-yesterday-panel {
    flex: 1 1 220px;
    min-width: 220px;
    border-radius: 10px;
    background: #f5f7ff;
    padding: 8px 10px;
    box-shadow: inset 0 0 0 1px rgba(120, 140, 255, 0.2);
    font-size: 0.9rem;
}

.token-top-title {
    font-weight: 600;
    margin-bottom: 2px;
    color: #3949ab;
}

.token-top-caption {
    font-size: 0.8rem;
    color: #757de8;
    margin-top: 0;
    margin-bottom: 4px;
}

.token-top-list {
    list-style: none;
    padding-left: 0;
    margin: 4px 0 0;
    font-size: 0.9rem;
}

.token-top-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 4px;
    border-radius: 8px;
    margin-bottom: 2px;
}

.token-top-list li.top1 {
    background: #fffde7;
    font-weight: 600;
}

.token-top-list li.top2 {
    background: #f3e5f5;
}

.token-top-list li.top3 {
    background: #e3f2fd;
}

.token-top-name {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.token-top-amount {
    font-size: 0.85rem;
    color: #555;
}

.token-top-empty {
    font-size: 0.85rem;
    color: #888;
    margin-top: 4px;
}

/* 🟡 미니 달력용 스타일 + 우측 퀴즈/라이브 레이아웃 */
#calendarSection {
    margin-top: 8px;
}

.calendar-layout {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: flex-start;
}

.calendar-main {
    grid-column: span 2;
}

.calendar-side {
    grid-column: span 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.calendar-side-card {
    display: block;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.calendar-side-card::before {
    content: "";
    position: absolute;
    right: -18px;
    top: -18px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-soft);
    z-index: -1;
}

.calendar-side-title {
    font-size: 0.98rem;
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.calendar-side-desc {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-bottom: 6px;
    line-height: 1.3;
}

.calendar-side-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.calendar-side-badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--accent);
}

.student-notebook-card {
    padding: 12px;
}

.student-notebook-card::before {
    width: 72px;
    height: 72px;
    right: -24px;
    top: -24px;
}

.student-notebook-input {
    width: 100%;
    min-height: 168px;
    resize: vertical;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.78);
    color: var(--text-main);
    font: inherit;
    line-height: 1.45;
    box-sizing: border-box;
}

.student-notebook-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.student-notebook-input:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.student-notebook-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
}

.student-notebook-status {
    font-size: 0.78rem;
    color: var(--text-sub);
    line-height: 1.4;
}

.student-notebook-status[data-state="saving"] {
    color: var(--accent);
}

.student-notebook-status[data-state="success"] {
    color: var(--success);
}

.student-notebook-status[data-state="error"] {
    color: var(--error);
}

.student-notebook-clear {
    border: 1px solid var(--border);
    background: var(--btn-outline-bg);
    color: var(--text-main);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
}

.student-notebook-clear:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

@media (max-width: 800px) {
    .calendar-layout {
        flex-direction: column;
    }

    .calendar-side {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .calendar-side-card {
        flex: 1 1 200px;
    }

    .student-notebook-card {
        flex: 1 1 100%;
        width: 100%;
    }

    .student-notebook-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .student-notebook-clear {
        align-self: flex-end;
    }

    .calendar-side-pair {
        grid-template-columns: 1fr;
    }
}

.mini-cal-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.mini-cal-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.mini-cal-month {
    font-weight: 600;
    font-size: 0.95rem;
}

.mini-cal-btn {
    border: 1px solid var(--border);
    background: var(--btn-outline-bg);
    padding: 3px 8px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-main);
}

.mini-cal-header {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-sub);
    margin-bottom: 3px;
}

.mini-cal-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3px;
}

.mini-day-cell {
    border-radius: 10px;
    min-height: 60px;
    padding: 3px;
    background: #ffffff;
    border: 1px solid #eee;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    font-size: 0.75rem;
}

.mini-day-cell:hover {
    background: #fff9f0;
}

.mini-day-num {
    font-weight: 600;
    margin-bottom: 1px;
}

.mini-day-other {
    color: #bbb;
}

.mini-day-today {
    border: 1px solid var(--accent-dark);
    box-shadow: 0 0 0 1px rgba(255, 179, 71, 0.4);
}

.mini-day-selected {
    background: #fff3e0;
    border-color: var(--accent-dark);
}

.mini-events-mini {
    margin-top: 1px;
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow: hidden;
}

.mini-event-line {
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-event-more {
    font-size: 0.7rem;
    color: var(--text-sub);
}

#miniCalDetail {
    margin-top: 6px;
    padding: 6px;
    background: #fffdf7;
    border-radius: 8px;
    border: 1px solid #eee;
    font-size: 0.85rem;
}

.mini-detail-item {
    padding: 4px 0;
    border-bottom: 1px solid #eee;
}

.mini-detail-item:last-child {
    border-bottom: none;
}

.mini-detail-time {
    font-size: 0.75rem;
    color: #888;
}

/* 칭찬 축하 오버레이 */
#praiseOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(3px);
    padding: 12px;
}

#praiseOverlay.show {
    display: flex;
}

.praise-card {
    background: linear-gradient(135deg, #fff7ed, #f0f9ff);
    border-radius: 16px;
    padding: 18px;
    max-width: 520px;
    width: 100%;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid #ffb347;
    animation: popIn 0.28s ease-out;
}

@keyframes popIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.praise-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: #b45309;
    margin-bottom: 6px;
}

.praise-msg {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #111827;
    line-height: 1.5;
}

.praise-tag {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: #fef3c7;
    color: #92400e;
    font-weight: 700;
    margin-bottom: 10px;
}

.praise-meta {
    font-size: 0.9rem;
    color: #4b5563;
    margin-bottom: 12px;
}

.praise-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.confetti {
    position: absolute;
    width: 8px;
    height: 14px;
    background: var(--accent);
    top: -10px;
    left: 50%;
    opacity: 0.9;
    border-radius: 2px;
    animation: fall 1.2s linear forwards;
}

@keyframes fall {
    to {
        transform: translate3d(var(--dx, 0px), 180px, 0) rotate(360deg);
        opacity: 0;
    }
}

/* 📅 주간 시간표 (Student Weekly Grid) Styles */
.student-weekly-grid {
    display: grid;
    grid-template-columns: 40px repeat(5, 1fr);
    grid-auto-rows: 40px;
    gap: 6px;
    margin-top: 10px;
    background: var(--cal-bg);
    padding: 6px;
    border-radius: 12px;
    overflow-x: auto;
}

.sw-header {
    text-align: center;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 8px 0;
    color: var(--text-sub);
    background: var(--cal-cell-bg);
    border-radius: 6px;
    border: 1px solid var(--cal-cell-border);
}

.sw-header.today {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
}

.sw-period-label {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-sub);
    background: var(--cal-cell-bg);
    border-radius: 6px;
}

.sw-cell {
    background: var(--cal-cell-bg);
    border-radius: 6px;
    padding: 2px 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--cal-cell-border);
}

.sw-cell:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow);
    border-color: var(--accent);
    z-index: 10;
}

.sw-cell.is-selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
    background: color-mix(in srgb, var(--accent-soft) 55%, var(--cal-cell-bg));
}

.sw-cell.empty {
    background: var(--cal-bg);
    opacity: 0.5;
    cursor: default;
    border: 1px solid var(--cal-cell-border);
}

.sw-icon {
    display: none;
}

.sw-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.2;
}

.sw-eval-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1px 6px;
    border-radius: 999px;
    font-size: 0.66rem;
    font-weight: 700;
    line-height: 1.2;
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.35);
    max-width: 100%;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.sw-holiday-start {
    color: #fb7185;
    font-weight: 700;
    background: rgba(251, 113, 133, 0.08);
    border-color: rgba(251, 113, 133, 0.35);
}

.sw-holiday-sub {
    font-size: 0.66rem;
    color: #fda4af;
    font-weight: 600;
}

.sw-holiday-continued {
    color: #fda4af;
    background: rgba(251, 113, 133, 0.04);
    border-color: rgba(251, 113, 133, 0.2);
}

.sw-holiday-dot {
    font-size: 0.85rem;
    line-height: 1;
}

.sw-event-cell {
    color: #60a5fa;
    font-weight: 700;
}

.sw-nav {
    display: flex;
    gap: 4px;
}

.sw-nav-btn {
    padding: 2px 8px;
    font-size: 0.75rem;
    border: 1px solid var(--border);
    background: var(--btn-outline-bg);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-sub);
    transition: all 0.2s;
}

.sw-nav-btn:hover {
    background: #f8fafc;
    color: var(--accent-dark);
    border-color: var(--accent);
}

.sw-archive-link {
    font-size: 0.82rem;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    transition: all 0.2s;
}

.sw-archive-link:hover {
    background: #e2e8f0;
    color: var(--text-main);
}

.timetable-empty,
.timetable-loading,
.timetable-error {
    padding: 40px;
    text-align: center;
    color: #6b7280;
    background: #f9fafb;
    border-radius: 12px;
    border: 1px dashed #d1d5db;
    font-size: 0.9rem;
    grid-column: 1 / -1;
}

.sw-lesson-detail {
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--cal-cell-border);
    border-radius: 12px;
    background: color-mix(in srgb, var(--cal-cell-bg) 85%, var(--bg) 15%);
}

.sw-lesson-detail-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.sw-lesson-detail-title {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--text-main);
}

.sw-lesson-detail-meta {
    font-size: 0.8rem;
    color: var(--text-sub);
}

.sw-lesson-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: 8px;
}

.sw-lesson-detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    border-radius: 10px;
    border: 1px solid var(--cal-cell-border);
    background: color-mix(in srgb, var(--bg) 25%, transparent);
}

.sw-lesson-detail-label {
    font-size: 0.72rem;
    color: var(--text-sub);
    font-weight: 700;
}

.sw-lesson-detail-value {
    font-size: 0.85rem;
    color: var(--text-main);
    line-height: 1.35;
    word-break: keep-all;
}

@media (max-width: 820px) {
    .sw-lesson-detail-grid {
        grid-template-columns: 1fr;
    }
}

/* 🟡 Standard Header (V2 UI Standardization) */
.std-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.std-header .header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.std-header .header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.std-header .page-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.std-header .home-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.std-header .home-btn:hover {
    background: var(--bg);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.std-header .home-btn:active {
    transform: translateY(0);
}

.std-header .user-badge {
    font-size: 0.85rem;
    background: var(--bg);
    color: var(--text-sub);
    padding: 6px 12px;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 6px;
}

.std-header .user-badge i {
    color: var(--accent);
}

@media (max-width: 480px) {
    .std-header {
        margin-bottom: 16px;
        padding-bottom: 10px;
    }

    .std-header .page-title {
        font-size: 1.1rem;
    }

    .std-header .home-btn {
        width: 34px;
        height: 34px;
        font-size: 1rem;
    }
}