/* ========================================
   TIMELINE PAGE - Specific Styles
   ======================================== */

/* ========================================
   EMPTY STATE (아기 미등록 상태)
   ======================================== */
.empty-state-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 180px);
    padding: 2rem 1.5rem;
}

.empty-state-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 320px;
    animation: fadeInUp 0.6s ease-out;
}

.empty-state-visual {
    position: relative;
    margin-bottom: 1.5rem;
}

.empty-state-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 2.5s ease-in-out infinite;
}

.empty-state-container .empty-state-icon {
    position: relative;
    font-size: 5rem;
    z-index: 1;
    animation: gentle-bounce 3s ease-in-out infinite;
}

.empty-state-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.empty-state-desc {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* CTA Button - Primary Action */
.empty-state-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    background: linear-gradient(135deg, #66BB6A 0%, #43A047 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1.0625rem;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(76, 175, 80, 0.35),
                0 4px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.empty-state-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.empty-state-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(76, 175, 80, 0.45),
                0 6px 12px rgba(0, 0, 0, 0.1);
}

.empty-state-cta:hover::before {
    opacity: 1;
}

.empty-state-cta:active {
    transform: translateY(-1px) scale(0.98);
}

.cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    font-size: 1.125rem;
}

.cta-text {
    letter-spacing: 0.02em;
}

/* Animations */
@keyframes pulse-glow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.15);
        opacity: 0.3;
    }
}

@keyframes gentle-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* ========================================
   CURRENT STATUS CARD
   ======================================== */
.status-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: 24px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.status-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-gradient);
    color: white;
    padding: 0.625rem 1.25rem;
    border-radius: 14px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: var(--shadow-glow);
}

/* ========================================
   TIMELINE
   ======================================== */
.timeline {
    position: relative;
    padding-left: 1.75rem;
}

.timeline-line {
    position: absolute;
    left: 0.375rem;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--timeline-gradient);
    border-radius: 2px;
}

/* Month Group */
.month-group {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.4s ease-out both;
}

.month-group:nth-child(1) {
    animation-delay: 0.05s;
}

.month-group:nth-child(2) {
    animation-delay: 0.1s;
}

.month-group:nth-child(3) {
    animation-delay: 0.15s;
}

.month-header {
    position: relative;
    margin-left: -1.75rem;
    padding-left: 1.75rem;
    margin-bottom: 1rem;
}

.month-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--bg-primary);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.875rem;
    border: 1.5px solid var(--primary-light);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   EVENT CARDS (Vaccines, Benefits)
   ======================================== */
.event-item {
    position: relative;
    margin-bottom: 0.875rem;
}

.event-dot {
    position: absolute;
    left: -1.75rem;
    top: 1rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--primary);
    z-index: 2;
    transform: translateX(-4.5px);
}

.event-dot.vaccine {
    border-color: var(--accent-blue);
}

.event-dot.benefit {
    border-color: var(--accent-yellow);
}

.event-dot.completed {
    background: var(--accent-mint);
    border-color: var(--accent-mint);
}

.event-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all 0.2s ease;
}

.event-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.event-card.completed {
    background: var(--accent-mint-light);
    border-color: var(--accent-mint-soft);
}

.event-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.event-icon {
    font-size: 1.125rem;
}

.event-badge {
    font-size: 0.625rem;
    font-weight: 600;
    padding: 0.1875rem 0.5rem;
    border-radius: 6px;
}

.event-dday {
    margin-left: auto;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 0.1875rem 0.5rem;
    border-radius: 6px;
}

.event-dday.completed {
    background: var(--accent-mint-soft);
    color: #059669;
}

.event-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.event-desc {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

/* ========================================
   DEVELOPMENT SUMMARY CARD (Grouped)
   ======================================== */
.dev-summary-card {
    position: relative;
    margin-bottom: 0.875rem;
}

.dev-summary-dot {
    position: absolute;
    left: -1.75rem;
    top: 1rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-purple);
    border: 3px solid var(--accent-purple);
    z-index: 2;
    transform: translateX(-4.5px);
}

.dev-card {
    background: linear-gradient(135deg, var(--accent-purple-light) 0%, var(--bg-primary) 100%);
    border-radius: 20px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--accent-purple-soft);
}

.dev-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--accent-purple-soft);
}

.dev-card-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-purple-soft);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.dev-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.dev-card-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Development Category */
.dev-category {
    margin-bottom: 0.875rem;
}

.dev-category:last-child {
    margin-bottom: 0;
}

.dev-category-header {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.dev-category-count {
    color: var(--text-tertiary);
    font-weight: 400;
}

.dev-category-icon {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.dev-category-icon.physical {
    background: var(--accent-blue-soft);
}

.dev-category-icon.social {
    background: var(--accent-mint-soft);
}

.dev-category-icon.cognitive {
    background: var(--accent-yellow-soft);
}

.dev-category-icon.language {
    background: var(--accent-purple-soft);
}

/* Milestone List Items */
.milestone-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.milestone-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border-radius: 10px;
    font-size: 0.8125rem;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.milestone-item::before {
    content: "•";
    color: var(--accent-purple);
    font-weight: bold;
    font-size: 1rem;
}

.milestone-text {
    flex: 1;
}