* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #f8f9fa;
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 400px;
            margin: 0 auto;
            background: white;
            min-height: calc(100vh - 70px);
            display: flex;
            flex-direction: column;
            padding: 0;
        }

        .header {
            background: white;
            padding: 30px 20px;
            text-align: center;
            border-bottom: 1px solid #f0f0f0;
        }

        .profile-avatar {
            width: 80px;
            height: 80px;
            background: #e3f2fd;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #e3f2fd;
        }

        .profile-avatar svg {
            width: 40px;
            height: 40px;
            fill: #1976d2;
        }

        .login-btn {
            background: #1976d2;
            color: white;
            border: none;
            padding: 12px 40px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .login-btn:hover {
            background: #1565c0;
        }

        .user-info {
            text-align: center;
        }

        .user-name {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 5px;
            color: #333;
        }

        .user-email {
            font-size: 14px;
            color: #666;
            margin-bottom: 15px;
        }

        .logout-btn {
            background: transparent;
            color: #1976d2;
            border: 1px solid #1976d2;
            padding: 8px 24px;
            border-radius: 6px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .logout-btn:hover {
            background: #1976d2;
            color: white;
        }

        .menu-container {
            flex: 1;
            padding: 0;
        }

        .menu-item {
            display: flex;
            align-items: center;
            padding: 18px 20px;
            border-bottom: 1px solid #f0f0f0;
            cursor: pointer;
            transition: all 0.2s ease;
            background: white;
        }

        .menu-item:hover {
            background: #f8f9fa;
        }

        .menu-item:first-child {
            border-top: 1px solid #f0f0f0;
        }

        .menu-icon {
            width: 22px;
            height: 22px;
            margin-right: 16px;
            fill: #1976d2;
            flex-shrink: 0;
        }

        .menu-text {
            flex: 1;
            font-size: 16px;
            color: #333;
            font-weight: 400;
        }

        .menu-arrow {
            width: 16px;
            height: 16px;
            fill: #ccc;
            flex-shrink: 0;
        }

        .terms-section {
            padding: 20px;
            margin-top: auto;
        }

        .terms-link {
            color: #666;
            font-size: 14px;
            cursor: pointer;
            text-align: center;
        }

        .terms-link:hover {
            color: #1976d2;
        }

        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            display: flex;
            border-top: 1px solid #e0e0e0;
            z-index: 1000;
            max-width: 400px;
            margin: 0 auto;
        }

        .nav-item {
            flex: 1;
            padding: 12px 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            color: #999;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .nav-item.active {
            color: #1976d2;
        }

        .nav-item:hover {
            background: #f5f5f5;
        }

        .nav-icon {
            width: 20px;
            height: 20px;
            margin-bottom: 4px;
            fill: currentColor;
        }

        .nav-text {
            font-size: 11px;
            font-weight: 500;
        }

        /* Modal Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            backdrop-filter: blur(5px);
        }

        .modal {
            background: white;
            border-radius: 20px;
            padding: 0;
            max-width: 400px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            transform: scale(0.8);
            opacity: 0;
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .modal.show {
            transform: scale(1);
            opacity: 1;
        }

        .modal-header {
            background: linear-gradient(135deg, #1976d2 0%, #42a5f5 100%);
            color: white;
            padding: 20px;
            text-align: center;
            border-radius: 20px 20px 0 0;
            position: relative;
        }

        .modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .doctor-image {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 15px;
            border: 3px solid white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .modal-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .modal-subtitle {
            font-size: 14px;
            opacity: 0.9;
        }

        .modal-body {
            padding: 30px 20px 20px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-input {
            width: 100%;
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #f8f9fa;
        }

        .form-input:focus {
            outline: none;
            border-color: #1976d2;
            background: white;
            box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
        }

        .form-btn {
            width: 100%;
            background: #1976d2;
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
        }

        .form-btn:hover {
            background: #1565c0;
        }

        .form-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .success-message {
            text-align: center;
            padding: 40px 20px;
        }

        .success-icon {
            width: 80px;
            height: 80px;
            background: #4caf50;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: bounce 0.6s ease;
        }

        .success-icon svg {
            width: 40px;
            height: 40px;
            fill: white;
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-10px); }
            60% { transform: translateY(-5px); }
        }

        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .error-message {
            color: #f44336;
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }

        .name-inputs {
            display: flex;
            gap: 10px;
        }

        .name-inputs .form-input {
            flex: 1;
        }

        @media (max-width: 400px) {
            .container {
                max-width: 100%;
            }
            
            .bottom-nav {
                max-width: 100%;
            }
        }
/* ADD THESE RESPONSIVE STYLES TO YOUR EXISTING style.css */

/* Desktop Responsive Styles */
@media (min-width: 768px) {
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }
    
    .header {
        padding: 30px 20px;
    }
    
    .menu-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 15px;
        max-width: 800px;
        margin: 0 auto;
    }
    
    .menu-item {
        padding: 20px;
        border-radius: 12px;
    }
    
    .bottom-nav {
        position: relative;
        display: flex;
        justify-content: center;
        max-width: 600px;
        margin: 30px auto 0;
        background: linear-gradient(45deg, #f59e0b, #f97316);
        border-radius: 15px;
        padding: 10px;
    }
    
    .nav-item {
        flex: 1;
        max-width: 120px;
        margin: 0 10px;
    }
    
    .modal {
        min-width: 500px;
        max-width: 600px;
    }
}

/* REPLACE/UPDATE THESE EXISTING COLORS IN YOUR CSS */

/* Find and replace all instances of blue colors with these: */
/* Replace background: #007bff; with: */
.primary-bg {
    background: linear-gradient(45deg, #f59e0b, #f97316);
}

/* Replace background-color: #007bff; with: */
.primary-bg-color {
    background: linear-gradient(45deg, #f59e0b, #f97316);
}

/* Replace color: #007bff; with: */
.primary-color {
    color: #f59e0b;
}

/* Replace border-color: #007bff; with: */
.primary-border {
    border-color: #f59e0b;
}

/* UPDATE THESE SPECIFIC CLASSES (replace existing ones): */

.login-btn, .logout-btn {
    background: linear-gradient(45deg, #f59e0b, #f97316);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover, .logout-btn:hover {
    background: linear-gradient(45deg, #d97706, #ea580c);
    transform: translateY(-2px);
}

.form-btn {
    background: linear-gradient(45deg, #f59e0b, #f97316);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
}

.form-btn:hover {
    background: linear-gradient(45deg, #d97706, #ea580c);
    transform: translateY(-2px);
}

.nav-item.active {
    background: linear-gradient(45deg, #f59e0b, #f97316);
    border-radius: 12px;
    color: white;
}

.nav-item.active .nav-icon {
    fill: white;
}

.nav-item.active .nav-text {
    color: white;
}

/* ADD THESE NEW CLASSES: */
.menu-item:hover {
    background: linear-gradient(45deg, rgba(245, 158, 11, 0.1), rgba(249, 115, 22, 0.1));
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

.loading {
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Mobile First Improvements */
@media (max-width: 767px) {
    .container {
        padding: 10px;
    }
    
    .menu-container {
        padding: 0 5px;
    }
    
    .menu-item {
        margin-bottom: 10px;
        padding: 15px;
    }
}