/* ============================================
   PREGNANCY CALCULATOR - COMPLETE FIXED STYLESHEET
   Thiết kế hiện đại với Glassmorphism & Smooth Animations
   ============================================ */

:root {
    --primary-color: #FFB6C1;      /* Light Pink */
    --secondary-color: #E6E6FA;    /* Lavender */
    --accent-color: #FFE4E1;       /* Misty Rose */
    --success-color: #98D8C8;      /* Mint */
    --text-dark: #5D4E6D;          /* Muted Purple */
    --text-light: #8B7B9B;         /* Light Purple */
    --bg-light: #FFF5F7;           /* Very Light Pink */
    --white: #FFFFFF;
    --shadow: rgba(157, 135, 167, 0.15);
    --shadow-lg: rgba(157, 135, 167, 0.25);
}

/* ============================================
   GENERAL STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    background: linear-gradient(135deg, #FFF5F7 0%, #F8F9FF 50%, #FFF5F7 100%);
    background-attachment: fixed;
    min-height: 100vh;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   HEADER - Modern Glassmorphism
   ============================================ */
.header-section {
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.95) 0%, rgba(230, 230, 250, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 50px 20px;
    color: var(--white);
    box-shadow: 0 8px 32px rgba(157, 135, 167, 0.2);
    position: relative;
    overflow: hidden;
}

.header-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.header-section h1 {
    font-size: 2.75rem;
    font-weight: 800;
    text-shadow: 0 4px 12px rgba(0,0,0,0.1);
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.header-section p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* ============================================
   SECTION TITLES - Modern Typography
   ============================================ */
.section-title {
    color: var(--text-dark);
    font-weight: 800;
    font-size: 2.25rem;
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 40px;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

/* ============================================
   WEATHER & QUOTE SECTION - Side by Side
   ============================================ */
.weather-quote-section {
    padding: 40px 0;
    background: transparent;
}

.weather-quote-section .row {
    align-items: stretch;
}

.weather-section {
    background: transparent;
    padding: 0;
}

.weather-box {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(157, 135, 167, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.weather-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(157, 135, 167, 0.25);
}

.weather-box i {
    color: var(--primary-color);
    filter: drop-shadow(0 4px 8px rgba(255, 182, 193, 0.3));
}

.weather-box h4 {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.3rem;
}

.weather-details {
    margin-top: 15px;
}

.weather-details p {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.weather-reminder {
    margin-top: 15px;
    padding: 15px 20px;
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.1), rgba(230, 230, 250, 0.1));
    border-radius: 16px;
    border-left: 4px solid var(--primary-color);
    font-weight: 500;
    font-size: 0.95rem;
}

/* ============================================
   QUOTE SECTION - Modern Card
   ============================================ */
.quote-section {
    background: transparent;
    padding: 0;
}

.quote-box {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: 50px 40px;
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 40px rgba(157, 135, 167, 0.2);
    position: relative;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.quote-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 182, 193, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.quote-box:hover::before {
    opacity: 1;
}

.quote-box:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 60px rgba(157, 135, 167, 0.3);
    border-color: rgba(255, 182, 193, 0.4);
}

.quote-icon {
    position: absolute;
    top: 25px;
    left: 30px;
    color: var(--primary-color);
    opacity: 0.2;
    font-size: 3rem;
}

.quote-text {
    font-size: 1.4rem;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 20px;
    padding-left: 50px;
    font-weight: 500;
    line-height: 1.8;
    transition: opacity 0.3s ease;
}

.quote-author {
    text-align: right;
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.05rem;
    transition: opacity 0.3s ease;
}

/* ============================================
   CALCULATOR SECTION - Modern Design
   ============================================ */
.calculator-section {
    background: transparent;
    padding-top: 60px !important;
    padding-bottom: 60px;
}

.nav-pills .nav-link {
    color: var(--text-dark);
    border-radius: 16px;
    padding: 14px 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    margin: 0 6px;
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-pills .nav-link:hover {
    background: rgba(255, 182, 193, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(157, 135, 167, 0.15);
}

.nav-pills .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    box-shadow: 0 8px 24px rgba(255, 182, 193, 0.4);
    border-color: transparent;
    transform: translateY(-3px);
}

.calculator-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 40px rgba(157, 135, 167, 0.2);
    transition: all 0.3s ease;
}

.calculator-card:hover {
    box-shadow: 0 16px 56px rgba(157, 135, 167, 0.25);
}

.calculator-card h3 {
    color: var(--text-dark);
    margin-bottom: 30px;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.form-label {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.form-control, .form-select {
    border: 2px solid rgba(255, 182, 193, 0.2);
    border-radius: 14px;
    padding: 14px 18px;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(255, 182, 193, 0.15);
    transform: translateY(-2px);
    background: var(--white);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 16px;
    padding: 14px 32px;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(255, 182, 193, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(255, 182, 193, 0.5);
}

.btn-primary:active {
    transform: translateY(-2px);
}

.result-box {
    background: linear-gradient(135deg, rgba(255, 228, 225, 0.4) 0%, rgba(255, 245, 247, 0.6) 100%);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(157, 135, 167, 0.1);
    animation: slideIn 0.5s ease-out;
    margin-top: 20px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-box h4 {
    color: var(--text-dark);
    font-weight: 800;
    margin-bottom: 20px;
    font-size: 1.35rem;
}

.result-box p {
    margin: 12px 0;
    font-size: 1.05rem;
    line-height: 1.8;
}

.result-box strong {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 700;
}

/* ============================================
   BABY INFO SECTION - Cung Hoàng Đạo & Tuần Thai
   ============================================ */
.baby-info-section {
    background: linear-gradient(135deg, rgba(255, 245, 247, 0.5) 0%, rgba(248, 249, 255, 0.5) 100%);
    padding: 60px 0;
}

.info-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 40px rgba(157, 135, 167, 0.2);
    height: 100%;
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 56px rgba(157, 135, 167, 0.3);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 24px rgba(255, 182, 193, 0.4);
}

.card-title {
    color: var(--text-dark);
    font-size: 1.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 30px;
    letter-spacing: -0.3px;
}

/* Zodiac Specific Styles */
.zodiac-card .zodiac-icon {
    font-size: 4rem;
    text-align: center;
    margin: 20px 0;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.zodiac-card .zodiac-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 15px;
}

.zodiac-card .zodiac-dates {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.zodiac-card .zodiac-dates i {
    margin-right: 8px;
}

.zodiac-card .zodiac-description {
    background: linear-gradient(135deg, rgba(255, 228, 225, 0.3), rgba(255, 245, 247, 0.3));
    padding: 20px;
    border-radius: 16px;
    margin: 20px 0;
    line-height: 1.8;
}

.zodiac-card .zodiac-traits {
    margin-top: 25px;
}

.zodiac-card .zodiac-traits h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.trait-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 182, 193, 0.2);
    transition: all 0.3s ease;
}

.trait-item:hover {
    transform: translateX(5px);
    background: rgba(255, 182, 193, 0.05);
    padding-left: 10px;
    border-radius: 8px;
}

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

.trait-item i {
    color: var(--success-color);
    margin-right: 12px;
    font-size: 1.2rem;
}

.trait-item span {
    font-size: 1.05rem;
    color: var(--text-dark);
}

/* Pregnancy Week Specific Styles */
.pregnancy-card .week-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
    margin-right: 10px;
    box-shadow: 0 4px 16px rgba(255, 182, 193, 0.3);
}

.pregnancy-card .trimester-badge {
    display: inline-block;
    background: rgba(255, 182, 193, 0.2);
    color: var(--text-dark);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
}

.pregnancy-card .baby-size {
    background: linear-gradient(135deg, rgba(255, 228, 225, 0.4), rgba(255, 245, 247, 0.6));
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    margin: 25px 0;
}

.pregnancy-card .baby-size-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.pregnancy-card .baby-size-text {
    font-size: 1.2rem;
    color: var(--text-dark);
}

.pregnancy-card .baby-size-text strong {
    color: var(--primary-color);
    font-size: 1.4rem;
}

.info-section {
    margin: 25px 0;
}

.info-section h4 {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.info-section h4 i {
    color: var(--primary-color);
    margin-right: 8px;
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    padding: 10px 0;
    font-size: 1.05rem;
    color: var(--text-dark);
    border-bottom: 1px solid rgba(255, 182, 193, 0.1);
    transition: all 0.3s ease;
}

.info-list li:hover {
    transform: translateX(5px);
    background: rgba(255, 182, 193, 0.05);
    padding-left: 10px;
    border-radius: 8px;
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list li i {
    color: var(--success-color);
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* ============================================
   YOUTUBE SECTION - Modern Player
   ============================================ */
.youtube-section {
    background: linear-gradient(135deg, rgba(248, 249, 255, 0.5) 0%, rgba(255, 245, 247, 0.5) 100%);
    padding: 60px 0;
}

.youtube-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 12px 40px rgba(157, 135, 167, 0.2);
}

#youtubePlayer {
    width: 100%;
    height: 480px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.youtube-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 12px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.5);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 182, 193, 0.4);
}

/* ============================================
   YOGA & MEDITATION - Modern Cards
   ============================================ */
.yoga-section, .meditation-section {
    padding: 80px 0;
}

.yoga-section h3, .meditation-section h3 {
    color: var(--text-dark);
    font-weight: 800;
    margin-bottom: 25px;
    font-size: 1.75rem;
    letter-spacing: -0.3px;
}

.yoga-section img, .meditation-section img {
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(157, 135, 167, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.yoga-section img:hover, .meditation-section img:hover {
    transform: scale(1.03);
    box-shadow: 0 16px 56px rgba(157, 135, 167, 0.3);
}

.benefits-list {
    list-style: none;
    padding: 0;
}

.benefits-list li {
    padding: 14px 0;
    font-size: 1.08rem;
    transition: all 0.3s ease;
}

.benefits-list li:hover {
    transform: translateX(10px);
}

.benefits-list i {
    color: var(--success-color);
    margin-right: 12px;
    font-size: 1.2rem;
}

.btn-custom {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    border-radius: 16px;
    padding: 14px 40px;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(255, 182, 193, 0.3);
    display: inline-block;
}

.btn-custom:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(255, 182, 193, 0.5);
    color: var(--white);
}

/* ============================================
   PRODUCTS SECTION - Modern Cards
   ============================================ */
.products-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, rgba(248, 249, 255, 0.5) 100%);
}

.product-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px rgba(157, 135, 167, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 30px;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px rgba(157, 135, 167, 0.3);
}

.product-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-body {
    padding: 25px;
}

.product-title {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.product-price {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 18px;
}

.btn-product {
    background: linear-gradient(135deg, var(--success-color), #7BC4B4);
    color: var(--white);
    border: none;
    border-radius: 12px;
    padding: 12px 28px;
    width: 100%;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(152, 216, 200, 0.3);
}

.btn-product:hover {
    background: linear-gradient(135deg, #7BC4B4, var(--success-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(152, 216, 200, 0.5);
}

/* ============================================
   NEWS SECTION - Modern Cards
   ============================================ */
.news-section {
    padding: 80px 0;
}

.news-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px rgba(157, 135, 167, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 30px;
    height: 100%;
    text-decoration: none;
    display: block;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(157, 135, 167, 0.3);
    text-decoration: none;
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image {
    transform: scale(1.08);
}

.news-body {
    padding: 25px;
}

.news-title {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0;
    line-height: 1.6;
}

/* ============================================
   SOCIAL SECTION - Modern Buttons
   ============================================ */
.social-section {
    background: linear-gradient(135deg, rgba(230, 230, 250, 0.6), rgba(255, 182, 193, 0.6));
    backdrop-filter: blur(20px);
    padding: 60px 0;
}

.social-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-facebook, .btn-zalo, .btn-share {
    border: none;
    border-radius: 16px;
    padding: 14px 36px;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-facebook {
    background: linear-gradient(135deg, #4267B2, #3B5998);
    color: var(--white);
}

.btn-facebook:hover {
    background: linear-gradient(135deg, #365899, #2d4373);
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(66, 103, 178, 0.4);
    color: var(--white);
}

.btn-zalo {
    background: linear-gradient(135deg, #0068FF, #0052CC);
    color: var(--white);
}

.btn-zalo:hover {
    background: linear-gradient(135deg, #0052CC, #003D99);
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 104, 255, 0.4);
    color: var(--white);
}

.btn-share {
    background: linear-gradient(135deg, var(--success-color), #7BC4B4);
    color: var(--white);
}

.btn-share:hover {
    background: linear-gradient(135deg, #7BC4B4, var(--success-color));
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(152, 216, 200, 0.4);
}

/* ============================================
   FOOTER - Modern Design
   ============================================ */
.footer-section {
    background: linear-gradient(135deg, var(--text-dark), var(--text-light));
    color: var(--white);
    margin-top: 80px;
    padding: 50px 0;
}

.footer-section .btn-outline-light {
    border-radius: 12px;
    padding: 10px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-section .btn-outline-light:hover {
    background: var(--white);
    color: var(--text-dark);
    transform: translateY(-3px);
}

/* ============================================
   CHAT BOX - Modern Design
   ============================================ */
.chat-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 380px;
    max-width: 90vw;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-container:hover {
    box-shadow: 0 24px 80px rgba(0,0,0,0.3);
}

.chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 18px 24px;
    border-radius: 24px 24px 0 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.chat-header:hover {
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.9), rgba(230, 230, 250, 0.9));
}

.chat-body {
    height: 450px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 245, 247, 0.5), rgba(248, 249, 255, 0.5));
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.chat-message {
    margin-bottom: 16px;
    padding: 12px 18px;
    border-radius: 18px;
    max-width: 85%;
    word-wrap: break-word;
    animation: messageSlide 0.3s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.own {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    margin-left: auto;
    text-align: right;
    box-shadow: 0 4px 12px rgba(255, 182, 193, 0.3);
}

.chat-message.other {
    background: var(--white);
    color: var(--text-dark);
    box-shadow: 0 4px 12px rgba(157, 135, 167, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.chat-username {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 6px;
    opacity: 0.9;
}

.chat-input-container {
    padding: 20px;
    border-top: 1px solid rgba(255, 182, 193, 0.2);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    display: flex;
    gap: 12px;
}

.chat-input-container input {
    flex: 1;
    border-radius: 12px;
    padding: 12px 18px;
    border: 2px solid rgba(255, 182, 193, 0.2);
    transition: all 0.3s ease;
}

.chat-input-container input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(255, 182, 193, 0.15);
}

.chat-input-container button {
    border-radius: 12px;
    padding: 12px 20px;
}

/* ============================================
   POPUP - Modern Modal
   ============================================ */
.modal-content {
    border: none;
    border-radius: 28px;
    box-shadow: 0 20px 80px rgba(0,0,0,0.3);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 28px 28px 0 0;
    padding: 24px 30px;
    font-weight: 700;
}

.modal-body {
    padding: 30px;
}

.modal-body img {
    max-width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ============================================
   ALERTS - Modern Design
   ============================================ */
.alert-info {
    background: linear-gradient(135deg, rgba(255, 228, 225, 0.6), rgba(255, 245, 247, 0.6));
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-color);
    color: var(--text-dark);
    border-radius: 20px;
    padding: 20px 25px;
    font-weight: 500;
}

/* ============================================
   PROGRESS BAR - Modern Design
   ============================================ */
.progress {
    height: 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.5);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    border-radius: 10px;
    transition: width 1s ease;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Large screens (>= 992px) */
@media (min-width: 992px) {
    .weather-quote-section .row {
        display: flex !important;
        align-items: stretch !important;
    }
    
    .weather-quote-section .col-lg-5,
    .weather-quote-section .col-lg-7 {
        display: flex !important;
    }
    
    .weather-quote-section .col-lg-5 > *,
    .weather-quote-section .col-lg-7 > * {
        width: 100%;
    }
}

/* Medium screens (768px - 991px) */
@media (max-width: 991px) {
    .weather-quote-section {
        padding: 30px 0 !important;
    }
    
    .weather-quote-section .col-lg-5,
    .weather-quote-section .col-lg-7 {
        width: 100% !important;
        flex: 0 0 100% !important;
        margin-bottom: 20px;
    }
    
    .weather-box,
    .quote-box {
        min-height: auto;
        padding: 25px 20px;
    }
}

/* Small screens (< 768px) */
@media (max-width: 768px) {
    .header-section h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .quote-text {
        font-size: 1.1rem;
        padding-left: 35px;
    }
    
    .quote-icon {
        font-size: 2rem;
        top: 15px;
        left: 15px;
    }
    
    .weather-box h4 {
        font-size: 1.1rem;
    }
    
    .nav-pills .nav-link {
        font-size: 0.85rem;
        padding: 12px 16px;
        margin: 5px 3px;
    }
    
    #youtubePlayer {
        height: 280px;
    }
    
    .chat-container {
        width: 340px;
        bottom: 20px;
        right: 20px;
    }
    
    .calculator-card, .youtube-card {
        padding: 25px;
    }
    
    .info-card {
        padding: 30px 20px;
    }
}

/* Extra small screens (< 576px) */
@media (max-width: 576px) {
    .header-section h1 {
        font-size: 1.65rem;
    }
    
    .weather-box,
    .quote-box {
        padding: 20px 15px;
        border-radius: 20px;
    }
    
    .quote-text {
        font-size: 1rem;
        padding-left: 25px;
    }
    
    .weather-box {
        text-align: center;
    }
    
    .social-buttons {
        flex-direction: column;
    }
    
    .social-buttons .btn {
        width: 100%;
    }
    
    .info-card {
        padding: 25px 20px;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .zodiac-card .zodiac-icon {
        font-size: 3rem;
    }
    
    .zodiac-card .zodiac-name {
        font-size: 1.5rem;
    }
    
    .pregnancy-card .week-badge {
        font-size: 1.1rem;
        padding: 10px 20px;
    }
    
    .pregnancy-card .baby-size-icon {
        font-size: 2.5rem;
    }
}

/* ============================================
   SCROLLBAR STYLING - Modern
   ============================================ */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    border: 2px solid var(--bg-light);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary-color), var(--primary-color));
}

/* ============================================
   LOADING ANIMATION
   ============================================ */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-light);
}

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }