/* lifelong.css - 평생학습 강좌 검색 스타일 */

/* ----------------------------------------------------
   Course Card Container
   ---------------------------------------------------- */
.course-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    padding: 24px;
    margin-bottom: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(59, 130, 246, 0.5);
    /* Primary color dim */
}

/* ----------------------------------------------------
   Course Header & Title
   ---------------------------------------------------- */
.course-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.course-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    flex: 1;
    min-width: 250px;
    margin: 0;
    line-height: 1.4;
    letter-spacing: -0.02em;
}

/* ----------------------------------------------------
   Badges
   ---------------------------------------------------- */
.course-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: flex-start;
}

.badge {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-online {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-offline {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-free {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-paid {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

/* ----------------------------------------------------
   Course Info Grid
   ---------------------------------------------------- */
.course-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.course-info p {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.course-info i {
    color: var(--primary);
    width: 18px;
    text-align: center;
    margin-top: 3px;
    opacity: 0.8;
}

.course-info .label {
    font-weight: 600;
    color: var(--text-dim);
    opacity: 0.7;
    margin-right: 2px;
}

/* Highlight Apply Period */
.apply-period {
    color: #fbbf24 !important;
    /* Amber for urgency */
    font-weight: 500;
}

.apply-period i {
    color: #fbbf24 !important;
}

/* ----------------------------------------------------
   Buttons
   ---------------------------------------------------- */
.course-apply-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
    margin-top: 20px;
}

.course-apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(59, 130, 246, 0.3);
    filter: brightness(1.1);
}

/* ----------------------------------------------------
   City Selection Buttons
   ---------------------------------------------------- */
.city-selection-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.city-btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: white;
    color: #1e293b;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.city-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
    transform: translateY(-2px);
}

.city-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: white;
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.city-btn i {
    font-size: 1.2rem;
}

/* ----------------------------------------------------
   Search Filter Container
   ---------------------------------------------------- */
.filter-container {
    display: flex;
    gap: 12px;
    margin: 0 auto 30px;
    justify-content: center;
    max-width: 800px;
    width: 100%;
}

.search-input {
    padding: 14px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.search-input:focus {
    border-color: #3b82f6;
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

select.search-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.search-btn {
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
    min-width: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(59, 130, 246, 0.3);
    filter: brightness(1.1);
}

@media (max-width: 768px) {
    .filter-container {
        flex-direction: column;
        gap: 10px;
    }

    .search-input,
    .search-btn {
        width: 100%;
    }
}

/* ----------------------------------------------------
   AI Disclaimer
   ---------------------------------------------------- */
.ai-disclaimer {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.95rem;
    margin: 0 auto 30px;
    line-height: 1.6;
    background: var(--glass-bg);
    padding: 16px 24px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(4px);
    max-width: 800px;
    width: 100%;
}

.ai-disclaimer p {
    margin: 2px 0;
}

.ai-disclaimer strong {
    color: var(--primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .ai-disclaimer {
        display: block;
        padding: 14px 16px;
        font-size: 0.9rem;
        margin-bottom: 20px;
        word-break: keep-all;
        line-height: 1.5;
    }
}

/* ----------------------------------------------------
   States (Loading, Empty, Error)
   ---------------------------------------------------- */
.results-container {
    min-height: 300px;
}

.loading-state,
.empty-state,
.error-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-dim);
    text-align: center;
}

.loading-state i,
.empty-state i,
.error-message i {
    font-size: 2.5rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

.loading-state i {
    color: var(--primary);
}

.error-message i {
    color: #ef4444;
}

.loading-state p,
.empty-state p,
.error-message p {
    font-size: 1.1rem;
    margin: 5px 0;
}

.small-text {
    font-size: 0.9rem !important;
    opacity: 0.7;
}

/* ----------------------------------------------------
   Section Title (Optional)
   ---------------------------------------------------- */
.section-title {
    margin: 30px 0 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section-title h3 {
    font-size: 1.2rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.section-title h3::before {
    content: '';
    display: block;
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
}

/* ----------------------------------------------------
   Responsive Adjustments
   ---------------------------------------------------- */
@media (max-width: 768px) {
    .course-card {
        padding: 20px;
    }

    .course-header {
        flex-direction: column;
        gap: 12px;
    }

    .course-badges {
        width: 100%;
        justify-content: flex-start;
    }

    .course-info {
        grid-template-columns: 1fr;
    }

    .course-title {
        font-size: 1.2rem;
    }

    .city-btn {
        padding: 12px 20px;
        font-size: 1rem;
    }
}