.loader {
    border: 6px solid #f3f3f3;
    border-top: 6px solid #c2185b; /* Updated color */
    border-radius: 50%;
    width: 30px;                   /* Bigger size */
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 10px auto;             /* Center horizontally */
    display: block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


:root {
    --primary-pink: #e91e63;
    --light-pink: #f8bbd0;
    --dark-pink: #c2185b;
    --background: #fce4ec;
    --card-bg: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text-dark);
    min-height: 100vh;
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background-color: var(--dark-pink);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    width: 40px;
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--primary-pink);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background-color: white;
    transition: all 0.3s;
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-small {
    background-color: var(--primary-pink);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-small:hover {
    background-color: var(--dark-pink);
}

/* Main Content */
.main-content {
    margin-top: 80px;
    padding: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
    background-color: var(--background);
    padding: 2rem;
}

.login-box, .signup-box {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-box h2, .signup-box h2 {
    color: var(--dark-pink);
    margin-bottom: 1rem;
}

.login-box p, .signup-box p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.signup-link, .login-link {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.signup-link a, .login-link a {
    color: var(--primary-pink);
    text-decoration: none;
    font-weight: 500;
}

.signup-link a:hover, .login-link a:hover {
    text-decoration: underline;
}

/* Home Page */
.hero {
    background: linear-gradient(rgba(233, 30, 99, 0.8), rgba(194, 24, 91, 0.9)), 
                url('yoga-bg.jpg') center/cover;
    color: white;
    padding: 4rem 2rem;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    background-color: white;
    color: var(--dark-pink);
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    background-color: var(--light-pink);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-pink);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-pink);
}

/* Poses Page */
.poses-container {
    display: flex;
    gap: 2rem;
}

.poses-sidebar {
    flex: 0 0 300px;
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    height: fit-content;
}

.search-box {
    margin-bottom: 1rem;
}

.search-box input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.poses-sidebar h2 {
    margin-bottom: 1rem;
    color: var(--dark-pink);
}

.pose-list {
    list-style: none;
    max-height: 600px;
    overflow-y: auto;
}

.pose-item {
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.pose-item:hover, .pose-item.active {
    background-color: var(--light-pink);
    color: white;
}

.pose-details {
    flex: 1;
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.pose-placeholder {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

.pose-placeholder h2 {
    margin-bottom: 1rem;
    color: var(--dark-pink);
}

.pose-details h2 {
    color: var(--dark-pink);
    margin-bottom: 1.5rem;
}

.pose-image {
    width: 50%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

/* Health Page */
.health-form {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.health-form h2 {
    color: var(--dark-pink);
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--light-pink);
    outline: none;
    box-shadow: 0 0 0 3px rgba(248, 187, 208, 0.3);
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-row .form-group {
    flex: 1;
}

/* FAQ Page */
.faq-container {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.faq-container h2 {
    color: var(--dark-pink);
    margin-bottom: 1.5rem;
    text-align: center;
}

.faq-categories {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.faq-category-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 20px;
    background-color: var(--background);
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s;
}

.faq-category-btn:hover, .faq-category-btn.active {
    background-color: var(--primary-pink);
    color: white;
}

.faq-list {
    margin-top: 1rem;
}

.faq-item {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.faq-question {
    background-color: var(--light-pink);
    color: var(--text-dark);
    padding: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}

.faq-answer {
    background-color: var(--card-bg);
    padding: 1rem;
    display: none;
}

.faq-answer.show {
    display: block;
}

/* Progress Page */
.progress-container {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.progress-container h2 {
    color: var(--dark-pink);
    margin-bottom: 1.5rem;
    text-align: center;
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: #f8bbd0;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
}

.stat-card h3 {
    color: var(--dark-pink);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-pink);
}

.achievements-list {
    background-color: #f8bbd0;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.achievement-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.achievement-icon {
    background-color: var(--primary-pink);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.achievement-text p:first-child {
    font-weight: bold;
}

.achievement-text p:last-child {
    color: var(--text-light);
    font-size: 0.9rem;
}

.progress-chart {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.chart-bars {
    height: 200px;
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
}

.chart-bar {
    flex: 1;
    background-color: var(--light-pink);
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding-bottom: 0.5rem;
    position: relative;
    transition: height 0.5s ease;
}

.chart-bar span {
    position: absolute;
    bottom: -25px;
    font-size: 0.9rem;
}

/* Chatbot */
.chatbot-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chatbot-toggle {
    width: 60px;
    height: 60px;
    background-color: var(--primary-pink);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
}

.chatbot-toggle:hover {
    background-color: var(--dark-pink);
    transform: scale(1.1);
}

.chatbot-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 450px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: none;
}

.chatbot-header {
    background-color: var(--primary-pink);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-messages {
    height: 320px;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.message {
    margin-bottom: 0.5rem;
    padding: 0.8rem 1rem;
    border-radius: 10px;
    max-width: 80%;
    word-wrap: break-word;
}

.bot-message {
    background-color: #f1f1f1;
    align-self: flex-start;
}

.user-message {
    background-color: var(--primary-pink);
    color: white;
    margin-left: auto;
}

.typing-indicator {
    display: flex;
    padding: 10px;
    gap: 5px;
    align-items: center;
    height: 40px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background-color: #666;
    border-radius: 50%;
    display: inline-block;
    animation: typing 1s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}
@keyframes typing {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.chatbot-input {
    display: flex;
    padding: 1rem;
    border-top: 1px solid #eee;
}

.chatbot-input input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 30px;
    outline: none;
}

.chatbot-input button {
    background-color: var(--primary-pink);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin-left: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.chatbot-input button:hover {
    background-color: var(--dark-pink);
}

/* Footer */
footer {
    background-color: var(--dark-pink);
    color: white;
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section {
    flex: 1;
    padding: 0 1.5rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-section p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-link {
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.footer-link:hover {
    color: var(--light-pink);
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s;
}

.social-link:hover {
    color: var(--light-pink);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--dark-pink);
        flex-direction: column;
        align-items: center;
        padding: 1rem 0;
        gap: 0;
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 1rem;
        border-radius: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active div:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active div:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active div:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .poses-container {
        flex-direction: column;
    }
    
    .poses-sidebar {
        flex: 1;
        margin-bottom: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-section {
        margin-bottom: 2rem;
        padding: 0;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .progress-stats {
        grid-template-columns: 1fr;
    }
    
    .chatbot-window {
        width: 300px;
        right: -20px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .chatbot-window {
        width: 280px;
        right: -40px;
    }
}