/**
 * AI 자가학습 대시보드 - 수강생 프론트엔드 스타일
 * Dark-mode premium glassmorphism design
 */

@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@400;500;600;700&display=swap');

/* ═══ 루트 변수 ═══ */
.msai-wrap {
    --msai-bg: #0f1117;
    --msai-surface: rgba(255,255,255,0.05);
    --msai-surface-hover: rgba(255,255,255,0.08);
    --msai-border: rgba(255,255,255,0.1);
    --msai-primary: #6366f1;
    --msai-primary-glow: rgba(99,102,241,0.3);
    --msai-green: #10b981;
    --msai-yellow: #f59e0b;
    --msai-red: #ef4444;
    --msai-blue: #3b82f6;
    --msai-text: #f1f5f9;
    --msai-text-muted: #94a3b8;
    --msai-radius: 16px;
    --msai-shadow: 0 8px 32px rgba(0,0,0,0.4);
    font-family: 'Pretendard', -apple-system, sans-serif;
    color: var(--msai-text);
    background: var(--msai-bg);
    padding: 24px;
    min-height: 600px;
    border-radius: var(--msai-radius);
}

/* ═══ 헤더 ═══ */
.msai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(99,102,241,0.2) 0%, rgba(139,92,246,0.1) 100%);
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: var(--msai-radius);
    backdrop-filter: blur(12px);
}
.msai-header-left { display: flex; align-items: center; gap: 16px; }
.msai-avatar {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--msai-primary), #8b5cf6);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; font-weight: 700;
    box-shadow: 0 4px 16px var(--msai-primary-glow);
    color: #fff;
}
.msai-greeting { font-size: 18px; font-weight: 600; }
.msai-subtitle  { font-size: 13px; color: var(--msai-text-muted); margin-top: 2px; }

/* ═══ 버튼 ═══ */
.msai-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: 10px;
    font-size: 14px; font-weight: 600;
    border: none; cursor: pointer;
    transition: all .2s ease;
    text-decoration: none;
}
.msai-btn--primary {
    background: linear-gradient(135deg, var(--msai-primary), #8b5cf6);
    color: #fff;
    box-shadow: 0 4px 14px var(--msai-primary-glow);
}
.msai-btn--primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--msai-primary-glow); }
.msai-btn--outline {
    background: transparent;
    border: 1px solid var(--msai-border);
    color: var(--msai-text);
}
.msai-btn--outline:hover { background: var(--msai-surface-hover); }
.msai-btn--sm { padding: 7px 14px; font-size: 13px; }
.msai-btn--lg { padding: 14px 28px; font-size: 16px; }
.msai-btn-icon { font-size: 16px; }

/* ═══ 탭 ═══ */
.msai-tabs {
    display: flex; gap: 4px;
    background: var(--msai-surface);
    border: 1px solid var(--msai-border);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 24px;
}
.msai-tab {
    flex: 1; padding: 10px 16px;
    background: transparent; border: none;
    color: var(--msai-text-muted); cursor: pointer;
    border-radius: 8px; font-size: 14px; font-weight: 500;
    transition: all .2s;
}
.msai-tab--active {
    background: var(--msai-primary);
    color: #fff;
    box-shadow: 0 2px 8px var(--msai-primary-glow);
}

/* ═══ 패널 공통 ═══ */
.msai-panel {
    background: var(--msai-surface);
    border: 1px solid var(--msai-border);
    border-radius: var(--msai-radius);
    padding: 24px;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
}
.msai-panel-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px;
}
.msai-panel-title { font-size: 16px; font-weight: 600; margin: 0; }

/* ═══ SWOC 로딩/빈상태 ═══ */
.msai-swoc-loading {
    text-align: center; padding: 60px 0;
}
.msai-spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--msai-border);
    border-top-color: var(--msai-primary);
    border-radius: 50%;
    animation: msai-spin 1s linear infinite;
    margin: 0 auto 16px;
}
@keyframes msai-spin { to { transform: rotate(360deg); } }

.msai-swoc-empty {
    text-align: center; padding: 60px 20px;
}
.msai-empty-icon { font-size: 56px; margin-bottom: 16px; }
.msai-swoc-empty h3 { font-size: 20px; margin-bottom: 8px; }
.msai-swoc-empty p { color: var(--msai-text-muted); margin-bottom: 24px; }

/* ═══ AI 요약 배너 ═══ */
.msai-summary-banner {
    display: flex; align-items: flex-start; gap: 12px;
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.1));
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: 12px; padding: 16px 20px;
    margin-bottom: 20px;
}
.msai-summary-icon { font-size: 24px; flex-shrink: 0; }
.msai-summary-text { font-size: 14px; line-height: 1.6; color: var(--msai-text); }

/* ═══ SWOC 카드 그리드 ═══ */
.msai-swoc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
@media (max-width: 640px) {
    .msai-swoc-grid { grid-template-columns: 1fr; }
}
.msai-swoc-card {
    border-radius: 14px; padding: 20px;
    border: 1px solid var(--msai-border);
    transition: transform .2s, box-shadow .2s;
    position: relative; overflow: hidden;
}
.msai-swoc-card::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
}
.msai-swoc-card:hover { transform: translateY(-3px); box-shadow: var(--msai-shadow); }
.msai-swoc-card--strengths    { background: rgba(16,185,129,0.08); }
.msai-swoc-card--strengths::before { background: var(--msai-green); }
.msai-swoc-card--weaknesses   { background: rgba(239,68,68,0.08); }
.msai-swoc-card--weaknesses::before { background: var(--msai-red); }
.msai-swoc-card--opportunities{ background: rgba(59,130,246,0.08); }
.msai-swoc-card--opportunities::before { background: var(--msai-blue); }
.msai-swoc-card--challenges   { background: rgba(245,158,11,0.08); }
.msai-swoc-card--challenges::before { background: var(--msai-yellow); }

.msai-swoc-card-header {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 12px;
}
.msai-swoc-badge {
    width: 28px; height: 28px;
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800; color: #fff;
    flex-shrink: 0;
}
.msai-swoc-card--strengths    .msai-swoc-badge { background: var(--msai-green); }
.msai-swoc-card--weaknesses   .msai-swoc-badge { background: var(--msai-red); }
.msai-swoc-card--opportunities .msai-swoc-badge { background: var(--msai-blue); }
.msai-swoc-card--challenges   .msai-swoc-badge { background: var(--msai-yellow); }

.msai-swoc-card-title { font-size: 14px; font-weight: 600; flex: 1; }
.msai-swoc-emoji { font-size: 18px; }
.msai-swoc-card-body { font-size: 13px; line-height: 1.7; color: var(--msai-text-muted); }

/* ═══ 게이지 ═══ */
.msai-stats-row {
    display: flex; gap: 16px; margin-bottom: 20px;
    flex-wrap: wrap;
}
.msai-stat-gauge { flex: 1; min-width: 200px; }
.msai-stat-gauge-label { font-size: 13px; font-weight: 500; margin-bottom: 8px; }
.msai-gauge-bar {
    height: 8px; background: rgba(255,255,255,0.1);
    border-radius: 4px; overflow: hidden; margin-bottom: 4px;
}
.msai-gauge-fill {
    height: 100%; border-radius: 4px;
    transition: width 1s ease;
}
.msai-gauge-fill--blue  { background: linear-gradient(90deg, var(--msai-primary), #818cf8); }
.msai-gauge-fill--green { background: linear-gradient(90deg, var(--msai-green), #34d399); }
.msai-gauge-value { font-size: 13px; font-weight: 600; }

.msai-swoc-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: 16px; border-top: 1px solid var(--msai-border);
}
.msai-updated-at { font-size: 12px; color: var(--msai-text-muted); }

/* ═══ 학습 노트 폼 ═══ */
.msai-note-type-tabs {
    display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap;
}
.msai-note-type-btn {
    padding: 7px 16px; border-radius: 20px;
    border: 1px solid var(--msai-border);
    background: transparent; color: var(--msai-text-muted);
    cursor: pointer; font-size: 13px;
    transition: all .2s;
}
.msai-note-type-btn--active {
    background: var(--msai-primary);
    border-color: var(--msai-primary);
    color: #fff;
}
.msai-form-group { margin-bottom: 16px; }
.msai-form-group label {
    display: block; font-size: 13px; font-weight: 500;
    color: var(--msai-text-muted); margin-bottom: 6px;
}
.msai-required { color: var(--msai-red); }
.msai-input, .msai-textarea {
    width: 100%; box-sizing: border-box;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--msai-border);
    border-radius: 10px; padding: 10px 14px;
    color: var(--msai-text); font-size: 14px;
    font-family: inherit;
    transition: border-color .2s;
}
.msai-input:focus, .msai-textarea:focus {
    outline: none;
    border-color: var(--msai-primary);
    box-shadow: 0 0 0 3px var(--msai-primary-glow);
}
.msai-textarea { resize: vertical; }
.msai-form-actions { display: flex; align-items: center; gap: 12px; }
.msai-save-status { font-size: 13px; }

/* ═══ 노트 목록 ═══ */
.msai-notes-count {
    background: var(--msai-primary);
    color: #fff; border-radius: 20px;
    padding: 2px 10px; font-size: 12px;
}
.msai-notes-list { display: flex; flex-direction: column; gap: 12px; }
.msai-note-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--msai-border);
    border-radius: 12px; padding: 16px;
    display: flex; gap: 14px;
    transition: background .2s;
}
.msai-note-item:hover { background: var(--msai-surface-hover); }
.msai-note-type-badge {
    width: 36px; height: 36px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; flex-shrink: 0;
    background: rgba(99,102,241,0.15);
}
.msai-note-body { flex: 1; min-width: 0; }
.msai-note-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.msai-note-summary {
    font-size: 13px; color: var(--msai-text-muted); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.msai-note-meta {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 8px;
}
.msai-note-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.msai-note-tag {
    background: rgba(99,102,241,0.15);
    color: #818cf8; border-radius: 6px;
    padding: 2px 8px; font-size: 11px;
}
.msai-note-delete {
    background: none; border: none; cursor: pointer;
    color: var(--msai-text-muted); font-size: 16px;
    padding: 4px; border-radius: 6px;
    transition: color .2s, background .2s;
}
.msai-note-delete:hover { color: var(--msai-red); background: rgba(239,68,68,0.1); }

/* ═══ 챗봇 ═══ */
.msai-chat-wrap {
    background: var(--msai-surface);
    border: 1px solid var(--msai-border);
    border-radius: var(--msai-radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    height: 600px;
}
.msai-chat-header {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.1));
    border-bottom: 1px solid var(--msai-border);
}
.msai-chat-bot-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--msai-primary), #8b5cf6);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
}
.msai-chat-bot-name { font-size: 15px; font-weight: 600; }
.msai-chat-bot-desc { font-size: 12px; color: var(--msai-text-muted); margin-top: 2px; }

.msai-quick-questions {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    padding: 12px 16px; border-bottom: 1px solid var(--msai-border);
}
.msai-quick-label { font-size: 12px; color: var(--msai-text-muted); }
.msai-quick-btn {
    padding: 5px 12px; border-radius: 20px;
    border: 1px solid var(--msai-border);
    background: transparent; color: var(--msai-text-muted);
    cursor: pointer; font-size: 12px;
    transition: all .2s;
}
.msai-quick-btn:hover {
    background: var(--msai-primary); border-color: var(--msai-primary); color: #fff;
}

.msai-chat-messages {
    flex: 1; overflow-y: auto; padding: 20px;
    display: flex; flex-direction: column; gap: 14px;
    scroll-behavior: smooth;
}
.msai-chat-msg { display: flex; }
.msai-chat-msg--user { justify-content: flex-end; }
.msai-chat-msg--bot  { justify-content: flex-start; }
.msai-chat-bubble {
    max-width: 75%; padding: 12px 16px;
    border-radius: 16px; font-size: 14px; line-height: 1.6;
}
.msai-chat-msg--user .msai-chat-bubble {
    background: linear-gradient(135deg, var(--msai-primary), #8b5cf6);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.msai-chat-msg--bot .msai-chat-bubble {
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--msai-border);
    border-bottom-left-radius: 4px;
}
.msai-chat-typing {
    display: flex; gap: 4px; align-items: center; padding: 4px 0;
}
.msai-chat-typing span {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--msai-text-muted);
    animation: msai-bounce 1.2s infinite;
}
.msai-chat-typing span:nth-child(2) { animation-delay: .2s; }
.msai-chat-typing span:nth-child(3) { animation-delay: .4s; }

/* 채팅 버블 내부 마크다운 렌더링 */
.msai-chat-msg--bot .msai-chat-bubble p { margin: 0 0 8px 0; }
.msai-chat-msg--bot .msai-chat-bubble p:last-child { margin-bottom: 0; }
.msai-chat-msg--bot .msai-chat-bubble strong { color: #a78bfa; font-weight: 700; }
.msai-chat-msg--bot .msai-chat-bubble ul,
.msai-chat-msg--bot .msai-chat-bubble ol { padding-left: 18px; margin: 6px 0; }
.msai-chat-msg--bot .msai-chat-bubble li { margin-bottom: 4px; }
.msai-chat-msg--bot .msai-chat-bubble code {
    background: rgba(255,255,255,0.15);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
}
.msai-chat-msg--bot .msai-chat-bubble h1,
.msai-chat-msg--bot .msai-chat-bubble h2,
.msai-chat-msg--bot .msai-chat-bubble h3 {
    font-size: 15px; font-weight: 700; margin: 10px 0 6px;
}

@keyframes msai-bounce { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)} }

.msai-chat-input-wrap {
    display: flex; gap: 10px; padding: 14px 16px;
    border-top: 1px solid var(--msai-border);
    align-items: flex-end;
}
.msai-chat-input {
    flex: 1; background: rgba(255,255,255,0.05);
    border: 1px solid var(--msai-border);
    border-radius: 12px; padding: 10px 14px;
    color: var(--msai-text); font-size: 14px;
    font-family: inherit; resize: none;
    transition: border-color .2s;
    max-height: 120px;
}
.msai-chat-input:focus { outline: none; border-color: var(--msai-primary); }
.msai-chat-send-btn {
    width: 42px; height: 42px; border-radius: 12px;
    background: var(--msai-primary); border: none;
    color: #fff; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .2s; flex-shrink: 0;
}
.msai-chat-send-btn:hover {
    background: #4f46e5; transform: scale(1.05);
}
.msai-chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ═══ 로딩 placeholder ═══ */
.msai-loading-placeholder {
    text-align: center; padding: 40px;
    color: var(--msai-text-muted); font-size: 14px;
}

/* ═══ 반응형 ═══ */
@media (max-width: 640px) {
    .msai-wrap { padding: 16px; }
    .msai-header { flex-direction: column; gap: 14px; }
    .msai-header-right { width: 100%; }
    .msai-header-right .msai-btn { width: 100%; justify-content: center; }
    .msai-tabs { flex-wrap: wrap; }
    .msai-chat-wrap { height: 500px; }
}
/* ── 상담 신청 폼 (AI 오류 시) ── */
.msft-inquiry-form {
    margin-top: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    width: 100%;
    max-width: 320px;
}
.msft-inquiry-title {
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 12px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.msft-inquiry-row {
    margin-bottom: 8px;
    text-align: left;
}
.msft-inquiry-label {
    display: block;
    color: #94a3b8;
    margin-bottom: 4px;
    font-size: 11px;
}
.msft-inquiry-input {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 8px 10px;
    color: #fff;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
    box-sizing: border-box;
}
.msft-inquiry-input:focus {
    border-color: #6366f1;
}
.msft-inquiry-submit {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    border-radius: 6px;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    margin-top: 8px;
    transition: opacity 0.2s;
}
.msft-inquiry-submit:hover { opacity: 0.9; }
.msft-inquiry-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* ═══ 관리자 조회 배너 ═══ */
.msai-admin-view-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(234, 179, 8, 0.15);
    border: 1px solid rgba(234, 179, 8, 0.4);
    border-radius: 10px;
    padding: 10px 18px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #fbbf24;
}
.msai-admin-view-back {
    color: #fbbf24;
    text-decoration: none;
    font-size: 12px;
    opacity: 0.8;
}
.msai-admin-view-back:hover { opacity: 1; }

/* ═══ 강의 선택 드롭다운 ═══ */
.msai-course-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}
.msai-course-selector-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--msai-text-muted);
    white-space: nowrap;
}
.msai-select {
    background: var(--msai-surface);
    border: 1px solid var(--msai-border);
    border-radius: 8px;
    color: var(--msai-text);
    padding: 7px 12px;
    font-size: 13px;
    cursor: pointer;
    min-width: 200px;
}
.msai-select:focus { outline: none; border-color: var(--msai-primary); }

/* ═══ 분석 내역 탭 ═══ */
.msai-history-total {
    font-size: 12px;
    color: var(--msai-text-muted);
}
.msai-history-item {
    padding: 14px 16px;
    border: 1px solid var(--msai-border);
    border-radius: 10px;
    margin-bottom: 10px;
    background: var(--msai-surface);
    transition: border-color 0.2s, background 0.2s;
}
.msai-history-item:hover {
    border-color: var(--msai-primary);
    background: rgba(99, 102, 241, 0.06);
}
.msai-history-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}
.msai-history-course {
    font-size: 13px;
    font-weight: 600;
    color: var(--msai-primary);
}
.msai-history-date {
    font-size: 11px;
    color: var(--msai-text-muted);
}
.msai-history-summary {
    font-size: 13px;
    color: var(--msai-text-muted);
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.msai-history-detail-nav {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}
.msai-history-detail-meta {
    font-size: 13px;
    color: var(--msai-text-muted);
}
.msai-history-paging {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 16px;
}
.msai-history-page-btn {
    background: var(--msai-surface);
    border: 1px solid var(--msai-border);
    border-radius: 6px;
    color: var(--msai-text);
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
}
.msai-history-page-btn--active,
.msai-history-page-btn:hover {
    background: var(--msai-primary);
    border-color: var(--msai-primary);
    color: #fff;
}