/* ══════════════════════════════════════════════════════════════
   Lecture (코치 강의) Styles
   ══════════════════════════════════════════════════════════════ */

/* ── Lecture Container ────────────────────────────────────── */
.lecture-container {
    padding: var(--space-4) 0;
}

/* ── Calendar Header (생성 버튼 영역) ─────────────────────── */
.lecture-cal-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--space-3);
}

/* ── Lecture Chip ──────────────────────────────────────────── */
.lec-chip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    column-gap: 3px;
    padding: 2px 4px;
    margin-bottom: 2px;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    border-radius: 3px;
    cursor: pointer;
    overflow: hidden;
    transition: opacity var(--transition-fast);
    background: var(--color-success-100, #dcfce7);
    color: var(--color-success-700, #15803d);
}
.lec-chip .chip-line1 {
    white-space: nowrap;
}
.lec-chip .chip-line2 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.lec-chip:hover { opacity: 0.75; }

.lec-chip.stage-1 {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}
.lec-chip.stage-2 {
    background: var(--color-accent-100);
    color: var(--color-accent-600);
}
.lec-chip.zoom-failed {
    background: var(--color-danger-50);
    color: var(--color-danger-600);
}

/* ── 본인 담당 강의 하이라이트 (/head, /coach) ────────────── */
.lec-chip.lec-chip-mine {
    box-shadow: inset 3px 0 0 var(--color-primary);
    font-weight: var(--font-extrabold);
}

/* ── Host Badge ───────────────────────────────────────────── */
.host-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: var(--font-bold);
    padding: 0 3px;
    border-radius: 2px;
    line-height: 14px;
    flex-shrink: 0;
    letter-spacing: -0.02em;
}
.host-badge.coach1 {
    background: #dbeafe;
    color: #1d4ed8;
}
.host-badge.coach2 {
    background: #fef3c7;
    color: #b45309;
}

/* ── Detail Modal ─────────────────────────────────────────── */
.lec-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-gray-100);
    font-size: var(--text-md);
}
.lec-detail-row:last-child { border-bottom: none; }

.lec-detail-label {
    font-weight: var(--font-bold);
    color: var(--color-text-sub);
    font-size: var(--text-sm);
    min-width: 80px;
    flex-shrink: 0;
}

.lec-detail-value {
    text-align: right;
    word-break: break-all;
}

.lec-detail-info { margin-bottom: var(--space-4); }

/* ── Zoom Buttons ─────────────────────────────────────────── */
.lec-detail-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.lec-btn-zoom {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: var(--text-md);
    font-weight: var(--font-bold);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.lec-btn-zoom:hover { background: var(--color-primary-700); text-decoration: none; color: #fff; }

.lec-btn-copy {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-5);
    background: var(--color-bg-subtle);
    color: var(--color-text-sub);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--text-md);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.lec-btn-copy:hover { background: var(--color-gray-100); }

.lec-btn-zoom-host {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary-50);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-200);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.lec-btn-zoom-host:hover { background: var(--color-primary-100); text-decoration: none; color: var(--color-primary); }

/* ── Host Account Guide ───────────────────────────────────── */
.lec-host-guide {
    font-size: var(--text-sm);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    background: var(--color-info-50);
    color: var(--color-primary-700);
    border: 1px solid var(--color-primary-200);
    line-height: var(--leading-normal);
    margin-top: var(--space-2);
}

/* ── Notice ───────────────────────────────────────────────── */
.lec-notice {
    font-size: var(--text-sm);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    line-height: var(--leading-normal);
}
.lec-notice.warning {
    background: var(--color-danger-50);
    color: var(--color-danger-600);
    border: 1px solid var(--color-danger-100);
}
.lec-notice.muted {
    background: none;
    color: var(--color-text-muted);
    padding: var(--space-1) 0;
    text-align: center;
}

/* ── Cancel Area ──────────────────────────────────────────── */
.lec-detail-cancel-area {
    margin-top: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-gray-100);
}

/* ── Create Form ──────────────────────────────────────────── */
.lec-create-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* ── Form Section (fieldset) ─────────────────────────────── */
.lec-form-section {
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-4) var(--space-3);
    margin: 0;
}
.lec-form-section-title {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--color-text-sub);
    padding: 0 var(--space-2);
}

/* ── Form Hint ────────────────────────────────────────────── */
.lec-form-hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
    line-height: var(--leading-normal);
}
.lec-form-hint--warn {
    color: var(--color-accent-600);
}

/* ── Weekday Buttons ──────────────────────────────────────── */
.lec-weekday-group {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.lec-weekday-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-sub);
    transition: all var(--transition-fast);
    font-family: inherit;
}
.lec-weekday-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.lec-weekday-btn.selected {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* ── Host Radio Cards ─────────────────────────────────────── */
.lec-host-radio-group {
    display: flex;
    gap: var(--space-3);
}
.lec-host-radio {
    cursor: pointer;
}
.lec-host-radio input[type="radio"] {
    display: none;
}
.lec-host-radio-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}
.lec-host-radio input:checked + .lec-host-radio-card {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
    box-shadow: 0 0 0 1px var(--color-primary);
}

/* ── Preview ──────────────────────────────────────────────── */
.lec-preview {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
}
.lec-preview-title {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-2);
}
.lec-preview-body {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-md);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    flex-wrap: wrap;
}
.lec-preview-sub {
    font-size: var(--text-sm);
    color: var(--color-text-sub);
    margin-top: var(--space-1);
}

/* ── Inline Spinner (submit button) ───────────────────────── */
.spinner-inline {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin-inline 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 4px;
}
@keyframes spin-inline {
    to { transform: rotate(360deg); }
}

/* ── Event Chip (Operation Calendar) ──────────────────────── */
.lec-event-chip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    column-gap: 3px;
    padding: 2px 4px;
    margin-bottom: 2px;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    border-radius: 3px;
    cursor: pointer;
    overflow: hidden;
    transition: opacity var(--transition-fast);
}
.lec-event-chip .chip-line1 { white-space: nowrap; }
.lec-event-chip .chip-line2 { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lec-event-chip:hover { opacity: 0.75; }

/* ── Color Selection Group ───────────────────────────────── */
.lec-color-group {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}
.lec-color-radio {
    cursor: pointer;
}
.lec-color-radio input[type="radio"] {
    display: none;
}
.lec-color-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-1) var(--space-3);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    transition: all var(--transition-fast);
}
.lec-color-radio input:checked + .lec-color-chip {
    border-color: currentColor;
    box-shadow: 0 0 0 1px currentColor;
}

/* ── 회차별 시간 변경 배지 ─────────────────────────────────── */
.lec-chip-badge {
    display: inline-block;
    margin-left: 4px;
    padding: 0 4px;
    border-radius: 3px;
    background: #FF5E00;
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    line-height: 14px;
}
.lec-chip.lec-chip-time-changed {
    box-shadow: inset 0 0 0 2px #FF5E00;
}
.lec-detail-badge {
    font-size: 11px;
    line-height: 16px;
}
.lec-detail-changed-note {
    color: #888;
    font-size: 12px;
}
.lec-detail-edit-area {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #eee;
}
.lec-detail-edit-label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #555;
}
.lec-detail-edit-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.lec-detail-edit-row .form-input {
    max-width: 140px;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 640px) {
    .lec-chip, .lec-event-chip {
        font-size: 10px;
        padding: 1px 3px;
    }
    .host-badge {
        font-size: 8px;
        padding: 0 2px;
    }
}